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+<?php
+
+/**
+ * @file
+ * Unit tests for the Drupal Form API.
+ */
+
+class FormsTestCase extends DrupalWebTestCase {
+
+ public static function getInfo() {
+ return array(
+ 'name' => 'Form element validation',
+ 'description' => 'Tests various form element validation mechanisms.',
+ 'group' => 'Form API',
+ );
+ }
+
+ function setUp() {
+ parent::setUp('form_test');
+ }
+
+ /**
+ * Check several empty values for required forms elements.
+ *
+ * Carriage returns, tabs, spaces, and unchecked checkbox elements are not
+ * valid content for a required field.
+ *
+ * If the form field is found in form_get_errors() then the test pass.
+ */
+ function testRequiredFields() {
+ // Originates from http://drupal.org/node/117748
+ // Sets of empty strings and arrays.
+ $empty_strings = array('""' => "", '"\n"' => "\n", '" "' => " ", '"\t"' => "\t", '" \n\t "' => " \n\t ", '"\n\n\n\n\n"' => "\n\n\n\n\n");
+ $empty_arrays = array('array()' => array());
+ $empty_checkbox = array(NULL);
+
+ $elements['textfield']['element'] = array('#title' => $this->randomName(), '#type' => 'textfield');
+ $elements['textfield']['empty_values'] = $empty_strings;
+
+ $elements['password']['element'] = array('#title' => $this->randomName(), '#type' => 'password');
+ $elements['password']['empty_values'] = $empty_strings;
+
+ $elements['password_confirm']['element'] = array('#title' => $this->randomName(), '#type' => 'password_confirm');
+ // Provide empty values for both password fields.
+ foreach ($empty_strings as $key => $value) {
+ $elements['password_confirm']['empty_values'][$key] = array('pass1' => $value, 'pass2' => $value);
+ }
+
+ $elements['textarea']['element'] = array('#title' => $this->randomName(), '#type' => 'textarea');
+ $elements['textarea']['empty_values'] = $empty_strings;
+
+ $elements['radios']['element'] = array('#title' => $this->randomName(), '#type' => 'radios', '#options' => array('' => t('None'), $this->randomName(), $this->randomName(), $this->randomName()));
+ $elements['radios']['empty_values'] = $empty_arrays;
+
+ $elements['checkbox']['element'] = array('#title' => $this->randomName(), '#type' => 'checkbox', '#required' => TRUE);
+ $elements['checkbox']['empty_values'] = $empty_checkbox;
+
+ $elements['checkboxes']['element'] = array('#title' => $this->randomName(), '#type' => 'checkboxes', '#options' => array($this->randomName(), $this->randomName(), $this->randomName()));
+ $elements['checkboxes']['empty_values'] = $empty_arrays;
+
+ $elements['select']['element'] = array('#title' => $this->randomName(), '#type' => 'select', '#options' => array('' => t('None'), $this->randomName(), $this->randomName(), $this->randomName()));
+ $elements['select']['empty_values'] = $empty_strings;
+
+ $elements['file']['element'] = array('#title' => $this->randomName(), '#type' => 'file');
+ $elements['file']['empty_values'] = $empty_strings;
+
+ // Regular expression to find the expected marker on required elements.
+ $required_marker_preg = '@<label.*<span class="form-required" title="This field is required\.">\*</span></label>@';
+
+ // Go through all the elements and all the empty values for them.
+ foreach ($elements as $type => $data) {
+ foreach ($data['empty_values'] as $key => $empty) {
+ foreach (array(TRUE, FALSE) as $required) {
+ $form_id = $this->randomName();
+ $form = array();
+ $form_state = form_state_defaults();
+ form_clear_error();
+ $form['op'] = array('#type' => 'submit', '#value' => t('Submit'));
+ $element = $data['element']['#title'];
+ $form[$element] = $data['element'];
+ $form[$element]['#required'] = $required;
+ $form_state['input'][$element] = $empty;
+ $form_state['input']['form_id'] = $form_id;
+ $form_state['method'] = 'post';
+
+ // The form token CSRF protection should not interfere with this test,
+ // so we bypass it by marking this test form as programmed.
+ $form_state['programmed'] = TRUE;
+ drupal_prepare_form($form_id, $form, $form_state);
+ drupal_process_form($form_id, $form, $form_state);
+ $errors = form_get_errors();
+ // Form elements of type 'radios' throw all sorts of PHP notices
+ // when you try to render them like this, so we ignore those for
+ // testing the required marker.
+ // @todo Fix this work-around (http://drupal.org/node/588438).
+ $form_output = ($type == 'radios') ? '' : drupal_render($form);
+ if ($required) {
+ // Make sure we have a form error for this element.
+ $this->assertTrue(isset($errors[$element]), "Check empty($key) '$type' field '$element'");
+ if (!empty($form_output)) {
+ // Make sure the form element is marked as required.
+ $this->assertTrue(preg_match($required_marker_preg, $form_output), "Required '$type' field is marked as required");
+ }
+ }
+ else {
+ if (!empty($form_output)) {
+ // Make sure the form element is *not* marked as required.
+ $this->assertFalse(preg_match($required_marker_preg, $form_output), "Optional '$type' field is not marked as required");
+ }
+ if ($type == 'select') {
+ // Select elements are going to have validation errors with empty
+ // input, since those are illegal choices. Just make sure the
+ // error is not "field is required".
+ $this->assertTrue((empty($errors[$element]) || strpos('field is required', $errors[$element]) === FALSE), "Optional '$type' field '$element' is not treated as a required element");
+ }
+ else {
+ // Make sure there is *no* form error for this element.
+ $this->assertTrue(empty($errors[$element]), "Optional '$type' field '$element' has no errors with empty input");
+ }
+ }
+ }
+ }
+ }
+ // Clear the expected form error messages so they don't appear as exceptions.
+ drupal_get_messages();
+ }
+
+ /**
+ * Tests validation for required checkbox, select, and radio elements.
+ *
+ * Submits a test form containing several types of form elements. The form
+ * is submitted twice, first without values for required fields and then
+ * with values. Each submission is checked for relevant error messages.
+ *
+ * @see form_test_validate_required_form()
+ */
+ function testRequiredCheckboxesRadio() {
+ $form = $form_state = array();
+ $form = form_test_validate_required_form($form, $form_state);
+
+ // Attempt to submit the form with no required fields set.
+ $edit = array();
+ $this->drupalPost('form-test/validate-required', $edit, 'Submit');
+
+ // The only error messages that should appear are the relevant 'required'
+ // messages for each field.
+ $expected = array();
+ foreach (array('textfield', 'checkboxes', 'select', 'radios') as $key) {
+ $expected[] = t('!name field is required.', array('!name' => $form[$key]['#title']));
+ }
+
+ // Check the page for error messages.
+ $errors = $this->xpath('//div[contains(@class, "error")]//li');
+ foreach ($errors as $error) {
+ $expected_key = array_search($error[0], $expected);
+ // If the error message is not one of the expected messages, fail.
+ if ($expected_key === FALSE) {
+ $this->fail(format_string("Unexpected error message: @error", array('@error' => $error[0])));
+ }
+ // Remove the expected message from the list once it is found.
+ else {
+ unset($expected[$expected_key]);
+ }
+ }
+
+ // Fail if any expected messages were not found.
+ foreach ($expected as $not_found) {
+ $this->fail(format_string("Found error message: @error", array('@error' => $not_found)));
+ }
+
+ // Verify that input elements are still empty.
+ $this->assertFieldByName('textfield', '');
+ $this->assertNoFieldChecked('edit-checkboxes-foo');
+ $this->assertNoFieldChecked('edit-checkboxes-bar');
+ $this->assertOptionSelected('edit-select', '');
+ $this->assertNoFieldChecked('edit-radios-foo');
+ $this->assertNoFieldChecked('edit-radios-bar');
+ $this->assertNoFieldChecked('edit-radios-optional-foo');
+ $this->assertNoFieldChecked('edit-radios-optional-bar');
+ $this->assertNoFieldChecked('edit-radios-optional-default-value-false-foo');
+ $this->assertNoFieldChecked('edit-radios-optional-default-value-false-bar');
+
+ // Submit again with required fields set and verify that there are no
+ // error messages.
+ $edit = array(
+ 'textfield' => $this->randomString(),
+ 'checkboxes[foo]' => TRUE,
+ 'select' => 'foo',
+ 'radios' => 'bar',
+ );
+ $this->drupalPost(NULL, $edit, 'Submit');
+ $this->assertNoFieldByXpath('//div[contains(@class, "error")]', FALSE, 'No error message is displayed when all required fields are filled.');
+ $this->assertRaw("The form_test_validate_required_form form was submitted successfully.", 'Validation form submitted successfully.');
+ }
+
+ /**
+ * Tests validation for required textfield element without title.
+ *
+ * Submits a test form containing a textfield form elements without title.
+ * The form is submitted twice, first without value for the required field
+ * and then with value. Each submission is checked for relevant error
+ * messages.
+ *
+ * @see form_test_validate_required_form_no_title()
+ */
+ function testRequiredTextfieldNoTitle() {
+ $form = $form_state = array();
+ $form = form_test_validate_required_form_no_title($form, $form_state);
+
+ // Attempt to submit the form with no required field set.
+ $edit = array();
+ $this->drupalPost('form-test/validate-required-no-title', $edit, 'Submit');
+ $this->assertNoRaw("The form_test_validate_required_form_no_title form was submitted successfully.", 'Validation form submitted successfully.');
+
+ // Check the page for the error class on the textfield.
+ $this->assertFieldByXPath('//input[contains(@class, "error")]', FALSE, 'Error input form element class found.');
+
+ // Submit again with required fields set and verify that there are no
+ // error messages.
+ $edit = array(
+ 'textfield' => $this->randomString(),
+ );
+ $this->drupalPost(NULL, $edit, 'Submit');
+ $this->assertNoFieldByXpath('//input[contains(@class, "error")]', FALSE, 'No error input form element class found.');
+ $this->assertRaw("The form_test_validate_required_form_no_title form was submitted successfully.", 'Validation form submitted successfully.');
+ }
+
+ /**
+ * Test default value handling for checkboxes.
+ *
+ * @see _form_test_checkbox()
+ */
+ function testCheckboxProcessing() {
+ // First, try to submit without the required checkbox.
+ $edit = array();
+ $this->drupalPost('form-test/checkbox', $edit, t('Submit'));
+ $this->assertRaw(t('!name field is required.', array('!name' => 'required_checkbox')), 'A required checkbox is actually mandatory');
+
+ // Now try to submit the form correctly.
+ $values = drupal_json_decode($this->drupalPost(NULL, array('required_checkbox' => 1), t('Submit')));
+ $expected_values = array(
+ 'disabled_checkbox_on' => 'disabled_checkbox_on',
+ 'disabled_checkbox_off' => '',
+ 'checkbox_on' => 'checkbox_on',
+ 'checkbox_off' => '',
+ 'zero_checkbox_on' => '0',
+ 'zero_checkbox_off' => '',
+ );
+ foreach ($expected_values as $widget => $expected_value) {
+ $this->assertEqual($values[$widget], $expected_value, format_string('Checkbox %widget returns expected value (expected: %expected, got: %value)', array(
+ '%widget' => var_export($widget, TRUE),
+ '%expected' => var_export($expected_value, TRUE),
+ '%value' => var_export($values[$widget], TRUE),
+ )));
+ }
+ }
+
+ /**
+ * Tests validation of #type 'select' elements.
+ */
+ function testSelect() {
+ $form = $form_state = array();
+ $form = form_test_select($form, $form_state);
+ $error = '!name field is required.';
+ $this->drupalGet('form-test/select');
+
+ // Posting without any values should throw validation errors.
+ $this->drupalPost(NULL, array(), 'Submit');
+ $this->assertNoText(t($error, array('!name' => $form['select']['#title'])));
+ $this->assertNoText(t($error, array('!name' => $form['select_required']['#title'])));
+ $this->assertNoText(t($error, array('!name' => $form['select_optional']['#title'])));
+ $this->assertNoText(t($error, array('!name' => $form['empty_value']['#title'])));
+ $this->assertNoText(t($error, array('!name' => $form['empty_value_one']['#title'])));
+ $this->assertText(t($error, array('!name' => $form['no_default']['#title'])));
+ $this->assertNoText(t($error, array('!name' => $form['no_default_optional']['#title'])));
+ $this->assertText(t($error, array('!name' => $form['no_default_empty_option']['#title'])));
+ $this->assertNoText(t($error, array('!name' => $form['no_default_empty_option_optional']['#title'])));
+ $this->assertText(t($error, array('!name' => $form['no_default_empty_value']['#title'])));
+ $this->assertText(t($error, array('!name' => $form['no_default_empty_value_one']['#title'])));
+ $this->assertNoText(t($error, array('!name' => $form['no_default_empty_value_optional']['#title'])));
+ $this->assertNoText(t($error, array('!name' => $form['multiple']['#title'])));
+ $this->assertNoText(t($error, array('!name' => $form['multiple_no_default']['#title'])));
+ $this->assertText(t($error, array('!name' => $form['multiple_no_default_required']['#title'])));
+
+ // Post values for required fields.
+ $edit = array(
+ 'no_default' => 'three',
+ 'no_default_empty_option' => 'three',
+ 'no_default_empty_value' => 'three',
+ 'no_default_empty_value_one' => 'three',
+ 'multiple_no_default_required[]' => 'three',
+ );
+ $this->drupalPost(NULL, $edit, 'Submit');
+ $values = drupal_json_decode($this->drupalGetContent());
+
+ // Verify expected values.
+ $expected = array(
+ 'select' => 'one',
+ 'empty_value' => 'one',
+ 'empty_value_one' => 'one',
+ 'no_default' => 'three',
+ 'no_default_optional' => 'one',
+ 'no_default_optional_empty_value' => '',
+ 'no_default_empty_option' => 'three',
+ 'no_default_empty_option_optional' => '',
+ 'no_default_empty_value' => 'three',
+ 'no_default_empty_value_one' => 'three',
+ 'no_default_empty_value_optional' => 0,
+ 'multiple' => array('two' => 'two'),
+ 'multiple_no_default' => array(),
+ 'multiple_no_default_required' => array('three' => 'three'),
+ );
+ foreach ($expected as $key => $value) {
+ $this->assertIdentical($values[$key], $value, format_string('@name: @actual is equal to @expected.', array(
+ '@name' => $key,
+ '@actual' => var_export($values[$key], TRUE),
+ '@expected' => var_export($value, TRUE),
+ )));
+ }
+ }
+
+ /**
+ * Test handling of disabled elements.
+ *
+ * @see _form_test_disabled_elements()
+ */
+ function testDisabledElements() {
+ // Get the raw form in its original state.
+ $form_state = array();
+ $form = _form_test_disabled_elements(array(), $form_state);
+
+ // Build a submission that tries to hijack the form by submitting input for
+ // elements that are disabled.
+ $edit = array();
+ foreach (element_children($form) as $key) {
+ if (isset($form[$key]['#test_hijack_value'])) {
+ if (is_array($form[$key]['#test_hijack_value'])) {
+ foreach ($form[$key]['#test_hijack_value'] as $subkey => $value) {
+ $edit[$key . '[' . $subkey . ']'] = $value;
+ }
+ }
+ else {
+ $edit[$key] = $form[$key]['#test_hijack_value'];
+ }
+ }
+ }
+
+ // Submit the form with no input, as the browser does for disabled elements,
+ // and fetch the $form_state['values'] that is passed to the submit handler.
+ $this->drupalPost('form-test/disabled-elements', array(), t('Submit'));
+ $returned_values['normal'] = drupal_json_decode($this->content);
+
+ // Do the same with input, as could happen if JavaScript un-disables an
+ // element. drupalPost() emulates a browser by not submitting input for
+ // disabled elements, so we need to un-disable those elements first.
+ $this->drupalGet('form-test/disabled-elements');
+ $disabled_elements = array();
+ foreach ($this->xpath('//*[@disabled]') as $element) {
+ $disabled_elements[] = (string) $element['name'];
+ unset($element['disabled']);
+ }
+
+ // All the elements should be marked as disabled, including the ones below
+ // the disabled container.
+ $this->assertEqual(count($disabled_elements), 32, 'The correct elements have the disabled property in the HTML code.');
+
+ $this->drupalPost(NULL, $edit, t('Submit'));
+ $returned_values['hijacked'] = drupal_json_decode($this->content);
+
+ // Ensure that the returned values match the form's default values in both
+ // cases.
+ foreach ($returned_values as $type => $values) {
+ $this->assertFormValuesDefault($values, $form);
+ }
+ }
+
+ /**
+ * Assert that the values submitted to a form matches the default values of the elements.
+ */
+ function assertFormValuesDefault($values, $form) {
+ foreach (element_children($form) as $key) {
+ if (isset($form[$key]['#default_value'])) {
+ if (isset($form[$key]['#expected_value'])) {
+ $expected_value = $form[$key]['#expected_value'];
+ }
+ else {
+ $expected_value = $form[$key]['#default_value'];
+ }
+
+ if ($key == 'checkboxes_multiple') {
+ // Checkboxes values are not filtered out.
+ $values[$key] = array_filter($values[$key]);
+ }
+ $this->assertIdentical($expected_value, $values[$key], format_string('Default value for %type: expected %expected, returned %returned.', array('%type' => $key, '%expected' => var_export($expected_value, TRUE), '%returned' => var_export($values[$key], TRUE))));
+ }
+
+ // Recurse children.
+ $this->assertFormValuesDefault($values, $form[$key]);
+ }
+ }
+
+ /**
+ * Verify markup for disabled form elements.
+ *
+ * @see _form_test_disabled_elements()
+ */
+ function testDisabledMarkup() {
+ $this->drupalGet('form-test/disabled-elements');
+ $form_state = array();
+ $form = _form_test_disabled_elements(array(), $form_state);
+ $type_map = array(
+ 'textarea' => 'textarea',
+ 'select' => 'select',
+ 'weight' => 'select',
+ 'date' => 'select',
+ );
+
+ foreach ($form as $name => $item) {
+ // Skip special #types.
+ if (!isset($item['#type']) || in_array($item['#type'], array('hidden', 'text_format'))) {
+ continue;
+ }
+ // Setup XPath and CSS class depending on #type.
+ if (in_array($item['#type'], array('image_button', 'button', 'submit'))) {
+ $path = "//!type[contains(@class, :div-class) and @value=:value]";
+ $class = 'form-button-disabled';
+ }
+ else {
+ // starts-with() required for checkboxes.
+ $path = "//div[contains(@class, :div-class)]/descendant::!type[starts-with(@name, :name)]";
+ $class = 'form-disabled';
+ }
+ // Replace DOM element name in $path according to #type.
+ $type = 'input';
+ if (isset($type_map[$item['#type']])) {
+ $type = $type_map[$item['#type']];
+ }
+ $path = strtr($path, array('!type' => $type));
+ // Verify that the element exists.
+ $element = $this->xpath($path, array(
+ ':name' => check_plain($name),
+ ':div-class' => $class,
+ ':value' => isset($item['#value']) ? $item['#value'] : '',
+ ));
+ $this->assertTrue(isset($element[0]), format_string('Disabled form element class found for #type %type.', array('%type' => $item['#type'])));
+ }
+
+ // Verify special element #type text-format.
+ $element = $this->xpath('//div[contains(@class, :div-class)]/descendant::textarea[@name=:name]', array(
+ ':name' => 'text_format[value]',
+ ':div-class' => 'form-disabled',
+ ));
+ $this->assertTrue(isset($element[0]), format_string('Disabled form element class found for #type %type.', array('%type' => 'text_format[value]')));
+ $element = $this->xpath('//div[contains(@class, :div-class)]/descendant::select[@name=:name]', array(
+ ':name' => 'text_format[format]',
+ ':div-class' => 'form-disabled',
+ ));
+ $this->assertTrue(isset($element[0]), format_string('Disabled form element class found for #type %type.', array('%type' => 'text_format[format]')));
+ }
+
+ /**
+ * Test Form API protections against input forgery.
+ *
+ * @see _form_test_input_forgery()
+ */
+ function testInputForgery() {
+ $this->drupalGet('form-test/input-forgery');
+ $checkbox = $this->xpath('//input[@name="checkboxes[two]"]');
+ $checkbox[0]['value'] = 'FORGERY';
+ $this->drupalPost(NULL, array('checkboxes[one]' => TRUE, 'checkboxes[two]' => TRUE), t('Submit'));
+ $this->assertText('An illegal choice has been detected.', 'Input forgery was detected.');
+ }
+}
+
+/**
+ * Tests building and processing of core form elements.
+ */
+class FormElementTestCase extends DrupalWebTestCase {
+ protected $profile = 'testing';
+
+ public static function getInfo() {
+ return array(
+ 'name' => 'Element processing',
+ 'description' => 'Tests building and processing of core form elements.',
+ 'group' => 'Form API',
+ );
+ }
+
+ function setUp() {
+ parent::setUp(array('form_test'));
+ }
+
+ /**
+ * Tests expansion of #options for #type checkboxes and radios.
+ */
+ function testOptions() {
+ $this->drupalGet('form-test/checkboxes-radios');
+
+ // Verify that all options appear in their defined order.
+ foreach (array('checkbox', 'radio') as $type) {
+ $elements = $this->xpath('//input[@type=:type]', array(':type' => $type));
+ $expected_values = array('0', 'foo', '1', 'bar', '>');
+ foreach ($elements as $element) {
+ $expected = array_shift($expected_values);
+ $this->assertIdentical((string) $element['value'], $expected);
+ }
+ }
+
+ // Enable customized option sub-elements.
+ $this->drupalGet('form-test/checkboxes-radios/customize');
+
+ // Verify that all options appear in their defined order, taking a custom
+ // #weight into account.
+ foreach (array('checkbox', 'radio') as $type) {
+ $elements = $this->xpath('//input[@type=:type]', array(':type' => $type));
+ $expected_values = array('0', 'foo', 'bar', '>', '1');
+ foreach ($elements as $element) {
+ $expected = array_shift($expected_values);
+ $this->assertIdentical((string) $element['value'], $expected);
+ }
+ }
+ // Verify that custom #description properties are output.
+ foreach (array('checkboxes', 'radios') as $type) {
+ $elements = $this->xpath('//input[@id=:id]/following-sibling::div[@class=:class]', array(
+ ':id' => 'edit-' . $type . '-foo',
+ ':class' => 'description',
+ ));
+ $this->assertTrue(count($elements), format_string('Custom %type option description found.', array(
+ '%type' => $type,
+ )));
+ }
+ }
+}
+
+/**
+ * Test form alter hooks.
+ */
+class FormAlterTestCase extends DrupalWebTestCase {
+ public static function getInfo() {
+ return array(
+ 'name' => 'Form alter hooks',
+ 'description' => 'Tests hook_form_alter() and hook_form_FORM_ID_alter().',
+ 'group' => 'Form API',
+ );
+ }
+
+ function setUp() {
+ parent::setUp('form_test');
+ }
+
+ /**
+ * Tests execution order of hook_form_alter() and hook_form_FORM_ID_alter().
+ */
+ function testExecutionOrder() {
+ $this->drupalGet('form-test/alter');
+ // Ensure that the order is first by module, then for a given module, the
+ // id-specific one after the generic one.
+ $expected = array(
+ 'block_form_form_test_alter_form_alter() executed.',
+ 'form_test_form_alter() executed.',
+ 'form_test_form_form_test_alter_form_alter() executed.',
+ 'system_form_form_test_alter_form_alter() executed.',
+ );
+ $content = preg_replace('/\s+/', ' ', filter_xss($this->content, array()));
+ $this->assert(strpos($content, implode(' ', $expected)) !== FALSE, 'Form alter hooks executed in the expected order.');
+ }
+}
+
+/**
+ * Test form validation handlers.
+ */
+class FormValidationTestCase extends DrupalWebTestCase {
+ public static function getInfo() {
+ return array(
+ 'name' => 'Form validation handlers',
+ 'description' => 'Tests form processing and alteration via form validation handlers.',
+ 'group' => 'Form API',
+ );
+ }
+
+ function setUp() {
+ parent::setUp('form_test');
+ }
+
+ /**
+ * Tests form alterations by #element_validate, #validate, and form_set_value().
+ */
+ function testValidate() {
+ $this->drupalGet('form-test/validate');
+ // Verify that #element_validate handlers can alter the form and submitted
+ // form values.
+ $edit = array(
+ 'name' => 'element_validate',
+ );
+ $this->drupalPost(NULL, $edit, 'Save');
+ $this->assertFieldByName('name', '#value changed by #element_validate', 'Form element #value was altered.');
+ $this->assertText('Name value: value changed by form_set_value() in #element_validate', 'Form element value in $form_state was altered.');
+
+ // Verify that #validate handlers can alter the form and submitted
+ // form values.
+ $edit = array(
+ 'name' => 'validate',
+ );
+ $this->drupalPost(NULL, $edit, 'Save');
+ $this->assertFieldByName('name', '#value changed by #validate', 'Form element #value was altered.');
+ $this->assertText('Name value: value changed by form_set_value() in #validate', 'Form element value in $form_state was altered.');
+
+ // Verify that #element_validate handlers can make form elements
+ // inaccessible, but values persist.
+ $edit = array(
+ 'name' => 'element_validate_access',
+ );
+ $this->drupalPost(NULL, $edit, 'Save');
+ $this->assertNoFieldByName('name', 'Form element was hidden.');
+ $this->assertText('Name value: element_validate_access', 'Value for inaccessible form element exists.');
+
+ // Verify that value for inaccessible form element persists.
+ $this->drupalPost(NULL, array(), 'Save');
+ $this->assertNoFieldByName('name', 'Form element was hidden.');
+ $this->assertText('Name value: element_validate_access', 'Value for inaccessible form element exists.');
+
+ // Verify that #validate handlers don't run if the CSRF token is invalid.
+ $this->drupalLogin($this->drupalCreateUser());
+ $this->drupalGet('form-test/validate');
+ $edit = array(
+ 'name' => 'validate',
+ 'form_token' => 'invalid token'
+ );
+ $this->drupalPost(NULL, $edit, 'Save');
+ $this->assertNoFieldByName('name', '#value changed by #validate', 'Form element #value was not altered.');
+ $this->assertNoText('Name value: value changed by form_set_value() in #validate', 'Form element value in $form_state was not altered.');
+ $this->assertText('The form has become outdated. Copy any unsaved work in the form below');
+ }
+
+ /**
+ * Tests partial form validation through #limit_validation_errors.
+ */
+ function testValidateLimitErrors() {
+ $edit = array(
+ 'test' => 'invalid',
+ 'test_numeric_index[0]' => 'invalid',
+ 'test_substring[foo]' => 'invalid',
+ );
+ $path = 'form-test/limit-validation-errors';
+
+ // Submit the form by pressing the 'Partial validate' button (uses
+ // #limit_validation_errors) and ensure that the title field is not
+ // validated, but the #element_validate handler for the 'test' field
+ // is triggered.
+ $this->drupalPost($path, $edit, t('Partial validate'));
+ $this->assertNoText(t('!name field is required.', array('!name' => 'Title')));
+ $this->assertText('Test element is invalid');
+
+ // Edge case of #limit_validation_errors containing numeric indexes: same
+ // thing with the 'Partial validate (numeric index)' button and the
+ // 'test_numeric_index' field.
+ $this->drupalPost($path, $edit, t('Partial validate (numeric index)'));
+ $this->assertNoText(t('!name field is required.', array('!name' => 'Title')));
+ $this->assertText('Test (numeric index) element is invalid');
+
+ // Ensure something like 'foobar' isn't considered "inside" 'foo'.
+ $this->drupalPost($path, $edit, t('Partial validate (substring)'));
+ $this->assertNoText(t('!name field is required.', array('!name' => 'Title')));
+ $this->assertText('Test (substring) foo element is invalid');
+
+ // Ensure not validated values are not available to submit handlers.
+ $this->drupalPost($path, array('title' => '', 'test' => 'valid'), t('Partial validate'));
+ $this->assertText('Only validated values appear in the form values.');
+
+ // Now test full form validation and ensure that the #element_validate
+ // handler is still triggered.
+ $this->drupalPost($path, $edit, t('Full validate'));
+ $this->assertText(t('!name field is required.', array('!name' => 'Title')));
+ $this->assertText('Test element is invalid');
+ }
+
+ /**
+ * Tests error border of multiple fields with same name in a page.
+ */
+ function testMultiFormSameNameErrorClass() {
+ $this->drupalGet('form-test/double-form');
+ $edit = array();
+ $this->drupalPost(NULL, $edit, t('Save'));
+ $this->assertFieldByXpath('//input[@id="edit-name" and contains(@class, "error")]', NULL, 'Error input form element class found for first element.');
+ $this->assertNoFieldByXpath('//input[@id="edit-name--2" and contains(@class, "error")]', NULL, 'No error input form element class found for second element.');
+ }
+}
+
+/**
+ * Test form element labels, required markers and associated output.
+ */
+class FormsElementsLabelsTestCase extends DrupalWebTestCase {
+
+ public static function getInfo() {
+ return array(
+ 'name' => 'Form element and label output test',
+ 'description' => 'Test form element labels, required markers and associated output.',
+ 'group' => 'Form API',
+ );
+ }
+
+ function setUp() {
+ parent::setUp('form_test');
+ }
+
+ /**
+ * Test form elements, labels, title attibutes and required marks output
+ * correctly and have the correct label option class if needed.
+ */
+ function testFormLabels() {
+ $this->drupalGet('form_test/form-labels');
+
+ // Check that the checkbox/radio processing is not interfering with
+ // basic placement.
+ $elements = $this->xpath('//input[@id="edit-form-checkboxes-test-third-checkbox"]/following-sibling::label[@for="edit-form-checkboxes-test-third-checkbox" and @class="option"]');
+ $this->assertTrue(isset($elements[0]), "Label follows field and label option class correct for regular checkboxes.");
+
+ // Make sure the label is rendered for checkboxes.
+ $elements = $this->xpath('//input[@id="edit-form-checkboxes-test-0"]/following-sibling::label[@for="edit-form-checkboxes-test-0" and @class="option"]');
+ $this->assertTrue(isset($elements[0]), "Label 0 found checkbox.");
+
+ $elements = $this->xpath('//input[@id="edit-form-radios-test-second-radio"]/following-sibling::label[@for="edit-form-radios-test-second-radio" and @class="option"]');
+ $this->assertTrue(isset($elements[0]), "Label follows field and label option class correct for regular radios.");
+
+ // Make sure the label is rendered for radios.
+ $elements = $this->xpath('//input[@id="edit-form-radios-test-0"]/following-sibling::label[@for="edit-form-radios-test-0" and @class="option"]');
+ $this->assertTrue(isset($elements[0]), "Label 0 found radios.");
+
+ // Exercise various defaults for checkboxes and modifications to ensure
+ // appropriate override and correct behavior.
+ $elements = $this->xpath('//input[@id="edit-form-checkbox-test"]/following-sibling::label[@for="edit-form-checkbox-test" and @class="option"]');
+ $this->assertTrue(isset($elements[0]), "Label follows field and label option class correct for a checkbox by default.");
+
+ // Exercise various defaults for textboxes and modifications to ensure
+ // appropriate override and correct behavior.
+ $elements = $this->xpath('//label[@for="edit-form-textfield-test-title-and-required"]/child::span[@class="form-required"]/parent::*/following-sibling::input[@id="edit-form-textfield-test-title-and-required"]');
+ $this->assertTrue(isset($elements[0]), "Label precedes textfield, with required marker inside label.");
+
+ $elements = $this->xpath('//input[@id="edit-form-textfield-test-no-title-required"]/preceding-sibling::label[@for="edit-form-textfield-test-no-title-required"]/span[@class="form-required"]');
+ $this->assertTrue(isset($elements[0]), "Label tag with required marker precedes required textfield with no title.");
+
+ $elements = $this->xpath('//input[@id="edit-form-textfield-test-title-invisible"]/preceding-sibling::label[@for="edit-form-textfield-test-title-invisible" and @class="element-invisible"]');
+ $this->assertTrue(isset($elements[0]), "Label preceding field and label class is element-invisible.");
+
+ $elements = $this->xpath('//input[@id="edit-form-textfield-test-title"]/preceding-sibling::span[@class="form-required"]');
+ $this->assertFalse(isset($elements[0]), "No required marker on non-required field.");
+
+ $elements = $this->xpath('//input[@id="edit-form-textfield-test-title-after"]/following-sibling::label[@for="edit-form-textfield-test-title-after" and @class="option"]');
+ $this->assertTrue(isset($elements[0]), "Label after field and label option class correct for text field.");
+
+ $elements = $this->xpath('//label[@for="edit-form-textfield-test-title-no-show"]');
+ $this->assertFalse(isset($elements[0]), "No label tag when title set not to display.");
+
+ // Check #field_prefix and #field_suffix placement.
+ $elements = $this->xpath('//span[@class="field-prefix"]/following-sibling::div[@id="edit-form-radios-test"]');
+ $this->assertTrue(isset($elements[0]), "Properly placed the #field_prefix element after the label and before the field.");
+
+ $elements = $this->xpath('//span[@class="field-suffix"]/preceding-sibling::div[@id="edit-form-radios-test"]');
+ $this->assertTrue(isset($elements[0]), "Properly places the #field_suffix element immediately after the form field.");
+
+ // Check #prefix and #suffix placement.
+ $elements = $this->xpath('//div[@id="form-test-textfield-title-prefix"]/following-sibling::div[contains(@class, \'form-item-form-textfield-test-title\')]');
+ $this->assertTrue(isset($elements[0]), "Properly places the #prefix element before the form item.");
+
+ $elements = $this->xpath('//div[@id="form-test-textfield-title-suffix"]/preceding-sibling::div[contains(@class, \'form-item-form-textfield-test-title\')]');
+ $this->assertTrue(isset($elements[0]), "Properly places the #suffix element before the form item.");
+
+ // Check title attribute for radios and checkboxes.
+ $elements = $this->xpath('//div[@id="edit-form-checkboxes-title-attribute"]');
+ $this->assertEqual($elements[0]['title'], 'Checkboxes test' . ' (' . t('Required') . ')', 'Title attribute found.');
+ $elements = $this->xpath('//div[@id="edit-form-radios-title-attribute"]');
+ $this->assertEqual($elements[0]['title'], 'Radios test' . ' (' . t('Required') . ')', 'Title attribute found.');
+ }
+}
+
+/**
+ * Test the tableselect form element for expected behavior.
+ */
+class FormsElementsTableSelectFunctionalTest extends DrupalWebTestCase {
+
+ public static function getInfo() {
+ return array(
+ 'name' => 'Tableselect form element type test',
+ 'description' => 'Test the tableselect element for expected behavior',
+ 'group' => 'Form API',
+ );
+ }
+
+ function setUp() {
+ parent::setUp('form_test');
+ }
+
+
+ /**
+ * Test the display of checkboxes when #multiple is TRUE.
+ */
+ function testMultipleTrue() {
+
+ $this->drupalGet('form_test/tableselect/multiple-true');
+
+ $this->assertNoText(t('Empty text.'), 'Empty text should not be displayed.');
+
+ // Test for the presence of the Select all rows tableheader.
+ $this->assertFieldByXPath('//th[@class="select-all"]', NULL, 'Presence of the "Select all" checkbox.');
+
+ $rows = array('row1', 'row2', 'row3');
+ foreach ($rows as $row) {
+ $this->assertFieldByXPath('//input[@type="checkbox"]', $row, format_string('Checkbox for value @row.', array('@row' => $row)));
+ }
+ }
+
+ /**
+ * Test the display of radios when #multiple is FALSE.
+ */
+ function testMultipleFalse() {
+ $this->drupalGet('form_test/tableselect/multiple-false');
+
+ $this->assertNoText(t('Empty text.'), 'Empty text should not be displayed.');
+
+ // Test for the absence of the Select all rows tableheader.
+ $this->assertNoFieldByXPath('//th[@class="select-all"]', '', 'Absence of the "Select all" checkbox.');
+
+ $rows = array('row1', 'row2', 'row3');
+ foreach ($rows as $row) {
+ $this->assertFieldByXPath('//input[@type="radio"]', $row, format_string('Radio button for value @row.', array('@row' => $row)));
+ }
+ }
+
+ /**
+ * Test the display of the #empty text when #options is an empty array.
+ */
+ function testEmptyText() {
+ $this->drupalGet('form_test/tableselect/empty-text');
+ $this->assertText(t('Empty text.'), 'Empty text should be displayed.');
+ }
+
+ /**
+ * Test the submission of single and multiple values when #multiple is TRUE.
+ */
+ function testMultipleTrueSubmit() {
+
+ // Test a submission with one checkbox checked.
+ $edit = array();
+ $edit['tableselect[row1]'] = TRUE;
+ $this->drupalPost('form_test/tableselect/multiple-true', $edit, 'Submit');
+
+ $this->assertText(t('Submitted: row1 = row1'), 'Checked checkbox row1');
+ $this->assertText(t('Submitted: row2 = 0'), 'Unchecked checkbox row2.');
+ $this->assertText(t('Submitted: row3 = 0'), 'Unchecked checkbox row3.');
+
+ // Test a submission with multiple checkboxes checked.
+ $edit['tableselect[row1]'] = TRUE;
+ $edit['tableselect[row3]'] = TRUE;
+ $this->drupalPost('form_test/tableselect/multiple-true', $edit, 'Submit');
+
+ $this->assertText(t('Submitted: row1 = row1'), 'Checked checkbox row1.');
+ $this->assertText(t('Submitted: row2 = 0'), 'Unchecked checkbox row2.');
+ $this->assertText(t('Submitted: row3 = row3'), 'Checked checkbox row3.');
+
+ }
+
+ /**
+ * Test submission of values when #multiple is FALSE.
+ */
+ function testMultipleFalseSubmit() {
+ $edit['tableselect'] = 'row1';
+ $this->drupalPost('form_test/tableselect/multiple-false', $edit, 'Submit');
+ $this->assertText(t('Submitted: row1'), 'Selected radio button');
+ }
+
+ /**
+ * Test the #js_select property.
+ */
+ function testAdvancedSelect() {
+ // When #multiple = TRUE a Select all checkbox should be displayed by default.
+ $this->drupalGet('form_test/tableselect/advanced-select/multiple-true-default');
+ $this->assertFieldByXPath('//th[@class="select-all"]', NULL, 'Display a "Select all" checkbox by default when #multiple is TRUE.');
+
+ // When #js_select is set to FALSE, a "Select all" checkbox should not be displayed.
+ $this->drupalGet('form_test/tableselect/advanced-select/multiple-true-no-advanced-select');
+ $this->assertNoFieldByXPath('//th[@class="select-all"]', NULL, 'Do not display a "Select all" checkbox when #js_select is FALSE.');
+
+ // A "Select all" checkbox never makes sense when #multiple = FALSE, regardless of the value of #js_select.
+ $this->drupalGet('form_test/tableselect/advanced-select/multiple-false-default');
+ $this->assertNoFieldByXPath('//th[@class="select-all"]', NULL, 'Do not display a "Select all" checkbox when #multiple is FALSE.');
+
+ $this->drupalGet('form_test/tableselect/advanced-select/multiple-false-advanced-select');
+ $this->assertNoFieldByXPath('//th[@class="select-all"]', NULL, 'Do not display a "Select all" checkbox when #multiple is FALSE, even when #js_select is TRUE.');
+ }
+
+
+ /**
+ * Test the whether the option checker gives an error on invalid tableselect values for checkboxes.
+ */
+ function testMultipleTrueOptionchecker() {
+
+ list($header, $options) = _form_test_tableselect_get_data();
+
+ $form['tableselect'] = array(
+ '#type' => 'tableselect',
+ '#header' => $header,
+ '#options' => $options,
+ );
+
+ // Test with a valid value.
+ list($processed_form, $form_state, $errors) = $this->formSubmitHelper($form, array('tableselect' => array('row1' => 'row1')));
+ $this->assertFalse(isset($errors['tableselect']), 'Option checker allows valid values for checkboxes.');
+
+ // Test with an invalid value.
+ list($processed_form, $form_state, $errors) = $this->formSubmitHelper($form, array('tableselect' => array('non_existing_value' => 'non_existing_value')));
+ $this->assertTrue(isset($errors['tableselect']), 'Option checker disallows invalid values for checkboxes.');
+
+ }
+
+
+ /**
+ * Test the whether the option checker gives an error on invalid tableselect values for radios.
+ */
+ function testMultipleFalseOptionchecker() {
+
+ list($header, $options) = _form_test_tableselect_get_data();
+
+ $form['tableselect'] = array(
+ '#type' => 'tableselect',
+ '#header' => $header,
+ '#options' => $options,
+ '#multiple' => FALSE,
+ );
+
+ // Test with a valid value.
+ list($processed_form, $form_state, $errors) = $this->formSubmitHelper($form, array('tableselect' => 'row1'));
+ $this->assertFalse(isset($errors['tableselect']), 'Option checker allows valid values for radio buttons.');
+
+ // Test with an invalid value.
+ list($processed_form, $form_state, $errors) = $this->formSubmitHelper($form, array('tableselect' => 'non_existing_value'));
+ $this->assertTrue(isset($errors['tableselect']), 'Option checker disallows invalid values for radio buttons.');
+ }
+
+
+ /**
+ * Helper function for the option check test to submit a form while collecting errors.
+ *
+ * @param $form_element
+ * A form element to test.
+ * @param $edit
+ * An array containing post data.
+ *
+ * @return
+ * An array containing the processed form, the form_state and any errors.
+ */
+ private function formSubmitHelper($form, $edit) {
+ $form_id = $this->randomName();
+ $form_state = form_state_defaults();
+
+ $form['op'] = array('#type' => 'submit', '#value' => t('Submit'));
+
+ $form_state['input'] = $edit;
+ $form_state['input']['form_id'] = $form_id;
+
+ // The form token CSRF protection should not interfere with this test,
+ // so we bypass it by marking this test form as programmed.
+ $form_state['programmed'] = TRUE;
+
+ drupal_prepare_form($form_id, $form, $form_state);
+
+ drupal_process_form($form_id, $form, $form_state);
+
+ $errors = form_get_errors();
+
+ // Clear errors and messages.
+ drupal_get_messages();
+ form_clear_error();
+
+ // Return the processed form together with form_state and errors
+ // to allow the caller lowlevel access to the form.
+ return array($form, $form_state, $errors);
+ }
+
+}
+
+/**
+ * Test the vertical_tabs form element for expected behavior.
+ */
+class FormsElementsVerticalTabsFunctionalTest extends DrupalWebTestCase {
+
+ public static function getInfo() {
+ return array(
+ 'name' => 'Vertical tabs form element type test',
+ 'description' => 'Test the vertical_tabs element for expected behavior',
+ 'group' => 'Form API',
+ );
+ }
+
+ function setUp() {
+ parent::setUp('form_test');
+ }
+
+ /**
+ * Ensures that vertical-tabs.js is included before collapse.js.
+ *
+ * Otherwise, collapse.js adds "SHOW" or "HIDE" labels to the tabs.
+ */
+ function testJavaScriptOrdering() {
+ $this->drupalGet('form_test/vertical-tabs');
+ $position1 = strpos($this->content, 'misc/vertical-tabs.js');
+ $position2 = strpos($this->content, 'misc/collapse.js');
+ $this->assertTrue($position1 !== FALSE && $position2 !== FALSE && $position1 < $position2, 'vertical-tabs.js is included before collapse.js');
+ }
+}
+
+/**
+ * Test the form storage on a multistep form.
+ *
+ * The tested form puts data into the storage during the initial form
+ * construction. These tests verify that there are no duplicate form
+ * constructions, with and without manual form caching activiated. Furthermore
+ * when a validation error occurs, it makes sure that changed form element
+ * values aren't lost due to a wrong form rebuild.
+ */
+class FormsFormStorageTestCase extends DrupalWebTestCase {
+
+ public static function getInfo() {
+ return array(
+ 'name' => 'Multistep form using form storage',
+ 'description' => 'Tests a multistep form using form storage and makes sure validation and caching works right.',
+ 'group' => 'Form API',
+ );
+ }
+
+ function setUp() {
+ parent::setUp('form_test');
+
+ $this->web_user = $this->drupalCreateUser(array('access content'));
+ $this->drupalLogin($this->web_user);
+ }
+
+ /**
+ * Tests using the form in a usual way.
+ */
+ function testForm() {
+ $this->drupalGet('form_test/form-storage');
+ $this->assertText('Form constructions: 1');
+
+ $edit = array('title' => 'new', 'value' => 'value_is_set');
+
+ // Use form rebuilding triggered by a submit button.
+ $this->drupalPost(NULL, $edit, 'Continue submit');
+ $this->assertText('Form constructions: 2');
+ $this->assertText('Form constructions: 3');
+
+ // Reset the form to the values of the storage, using a form rebuild
+ // triggered by button of type button.
+ $this->drupalPost(NULL, array('title' => 'changed'), 'Reset');
+ $this->assertFieldByName('title', 'new', 'Values have been resetted.');
+ // After rebuilding, the form has been cached.
+ $this->assertText('Form constructions: 4');
+
+ $this->drupalPost(NULL, $edit, 'Save');
+ $this->assertText('Form constructions: 4');
+ $this->assertText('Title: new', 'The form storage has stored the values.');
+ }
+
+ /**
+ * Tests using the form with an activated $form_state['cache'] property.
+ */
+ function testFormCached() {
+ $this->drupalGet('form_test/form-storage', array('query' => array('cache' => 1)));
+ $this->assertText('Form constructions: 1');
+
+ $edit = array('title' => 'new', 'value' => 'value_is_set');
+
+ // Use form rebuilding triggered by a submit button.
+ $this->drupalPost(NULL, $edit, 'Continue submit');
+ $this->assertText('Form constructions: 2');
+
+ // Reset the form to the values of the storage, using a form rebuild
+ // triggered by button of type button.
+ $this->drupalPost(NULL, array('title' => 'changed'), 'Reset');
+ $this->assertFieldByName('title', 'new', 'Values have been resetted.');
+ $this->assertText('Form constructions: 3');
+
+ $this->drupalPost(NULL, $edit, 'Save');
+ $this->assertText('Form constructions: 3');
+ $this->assertText('Title: new', 'The form storage has stored the values.');
+ }
+
+ /**
+ * Tests validation when form storage is used.
+ */
+ function testValidation() {
+ $this->drupalPost('form_test/form-storage', array('title' => '', 'value' => 'value_is_set'), 'Continue submit');
+ $this->assertPattern('/value_is_set/', 'The input values have been kept.');
+ }
+
+ /**
+ * Tests updating cached form storage during form validation.
+ *
+ * If form caching is enabled and a form stores data in the form storage, then
+ * the form storage also has to be updated in case of a validation error in
+ * the form. This test re-uses the existing form for multi-step tests, but
+ * triggers a special #element_validate handler to update the form storage
+ * during form validation, while another, required element in the form
+ * triggers a form validation error.
+ */
+ function testCachedFormStorageValidation() {
+ // Request the form with 'cache' query parameter to enable form caching.
+ $this->drupalGet('form_test/form-storage', array('query' => array('cache' => 1)));
+
+ // Skip step 1 of the multi-step form, since the first step copies over
+ // 'title' into form storage, but we want to verify that changes in the form
+ // storage are updated in the cache during form validation.
+ $edit = array('title' => 'foo');
+ $this->drupalPost(NULL, $edit, 'Continue submit');
+
+ // In step 2, trigger a validation error for the required 'title' field, and
+ // post the special 'change_title' value for the 'value' field, which
+ // conditionally invokes the #element_validate handler to update the form
+ // storage.
+ $edit = array('title' => '', 'value' => 'change_title');
+ $this->drupalPost(NULL, $edit, 'Save');
+
+ // At this point, the form storage should contain updated values, but we do
+ // not see them, because the form has not been rebuilt yet due to the
+ // validation error. Post again and verify that the rebuilt form contains
+ // the values of the updated form storage.
+ $this->drupalPost(NULL, array('title' => 'foo', 'value' => 'bar'), 'Save');
+ $this->assertText("The thing has been changed.", 'The altered form storage value was updated in cache and taken over.');
+ }
+
+ /**
+ * Tests a form using form state without using 'storage' to pass data from the
+ * constructor to a submit handler. The data has to persist even when caching
+ * gets activated, what may happen when a modules alter the form and adds
+ * #ajax properties.
+ */
+ function testFormStatePersist() {
+ // Test the form one time with caching activated and one time without.
+ $run_options = array(
+ array(),
+ array('query' => array('cache' => 1)),
+ );
+ foreach ($run_options as $options) {
+ $this->drupalPost('form-test/state-persist', array(), t('Submit'), $options);
+ // The submit handler outputs the value in $form_state, assert it's there.
+ $this->assertText('State persisted.');
+
+ // Test it again, but first trigger a validation error, then test.
+ $this->drupalPost('form-test/state-persist', array('title' => ''), t('Submit'), $options);
+ $this->assertText(t('!name field is required.', array('!name' => 'title')));
+ // Submit the form again triggering no validation error.
+ $this->drupalPost(NULL, array('title' => 'foo'), t('Submit'), $options);
+ $this->assertText('State persisted.');
+
+ // Now post to the rebuilt form and verify it's still there afterwards.
+ $this->drupalPost(NULL, array('title' => 'bar'), t('Submit'), $options);
+ $this->assertText('State persisted.');
+ }
+ }
+}
+
+/**
+ * Test wrapper form callbacks.
+ */
+class FormsFormWrapperTestCase extends DrupalWebTestCase {
+ public static function getInfo() {
+ return array(
+ 'name' => 'Form wrapper callback',
+ 'description' => 'Tests form wrapper callbacks to pass a prebuilt form to form builder functions.',
+ 'group' => 'Form API',
+ );
+ }
+
+ function setUp() {
+ parent::setUp('form_test');
+ }
+
+ /**
+ * Tests using the form in a usual way.
+ */
+ function testWrapperCallback() {
+ $this->drupalGet('form_test/wrapper-callback');
+ $this->assertText('Form wrapper callback element output.', 'The form contains form wrapper elements.');
+ $this->assertText('Form builder element output.', 'The form contains form builder elements.');
+ }
+}
+
+/**
+ * Test $form_state clearance.
+ */
+class FormStateValuesCleanTestCase extends DrupalWebTestCase {
+ public static function getInfo() {
+ return array(
+ 'name' => 'Form state values clearance',
+ 'description' => 'Test proper removal of submitted form values using form_state_values_clean().',
+ 'group' => 'Form API',
+ );
+ }
+
+ function setUp() {
+ parent::setUp('form_test');
+ }
+
+ /**
+ * Tests form_state_values_clean().
+ */
+ function testFormStateValuesClean() {
+ $values = drupal_json_decode($this->drupalPost('form_test/form-state-values-clean', array(), t('Submit')));
+
+ // Setup the expected result.
+ $result = array(
+ 'beer' => 1000,
+ 'baz' => array('beer' => 2000),
+ );
+
+ // Verify that all internal Form API elements were removed.
+ $this->assertFalse(isset($values['form_id']), format_string('%element was removed.', array('%element' => 'form_id')));
+ $this->assertFalse(isset($values['form_token']), format_string('%element was removed.', array('%element' => 'form_token')));
+ $this->assertFalse(isset($values['form_build_id']), format_string('%element was removed.', array('%element' => 'form_build_id')));
+ $this->assertFalse(isset($values['op']), format_string('%element was removed.', array('%element' => 'op')));
+
+ // Verify that all buttons were removed.
+ $this->assertFalse(isset($values['foo']), format_string('%element was removed.', array('%element' => 'foo')));
+ $this->assertFalse(isset($values['bar']), format_string('%element was removed.', array('%element' => 'bar')));
+ $this->assertFalse(isset($values['baz']['foo']), format_string('%element was removed.', array('%element' => 'foo')));
+ $this->assertFalse(isset($values['baz']['baz']), format_string('%element was removed.', array('%element' => 'baz')));
+
+ // Verify that nested form value still exists.
+ $this->assertTrue(isset($values['baz']['beer']), 'Nested form value still exists.');
+
+ // Verify that actual form values equal resulting form values.
+ $this->assertEqual($values, $result, 'Expected form values equal actual form values.');
+ }
+}
+
+/**
+ * Tests $form_state clearance with form elements having buttons.
+ */
+class FormStateValuesCleanAdvancedTestCase extends DrupalWebTestCase {
+ /**
+ * An image file path for uploading.
+ */
+ protected $image;
+
+ public static function getInfo() {
+ return array(
+ 'name' => 'Form state values clearance (advanced)',
+ 'description' => 'Test proper removal of submitted form values using form_state_values_clean() when having forms with elements containing buttons like "managed_file".',
+ 'group' => 'Form API',
+ );
+ }
+
+ function setUp() {
+ parent::setUp('form_test');
+ }
+
+ /**
+ * Tests form_state_values_clean().
+ */
+ function testFormStateValuesCleanAdvanced() {
+
+ // Get an image for uploading.
+ $image_files = $this->drupalGetTestFiles('image');
+ $this->image = current($image_files);
+
+ // Check if the physical file is there.
+ $this->assertTrue(is_file($this->image->uri), "The image file we're going to upload exists.");
+
+ // "Browse" for the desired file.
+ $edit = array('files[image]' => drupal_realpath($this->image->uri));
+
+ // Post the form.
+ $this->drupalPost('form_test/form-state-values-clean-advanced', $edit, t('Submit'));
+
+ // Expecting a 200 HTTP code.
+ $this->assertResponse(200, 'Received a 200 response for posted test file.');
+ $this->assertRaw(t('You WIN!'), 'Found the success message.');
+ }
+}
+
+/**
+ * Tests form rebuilding.
+ *
+ * @todo Add tests for other aspects of form rebuilding.
+ */
+class FormsRebuildTestCase extends DrupalWebTestCase {
+ public static function getInfo() {
+ return array(
+ 'name' => 'Form rebuilding',
+ 'description' => 'Tests functionality of drupal_rebuild_form().',
+ 'group' => 'Form API',
+ );
+ }
+
+ function setUp() {
+ parent::setUp('form_test');
+
+ $this->web_user = $this->drupalCreateUser(array('access content'));
+ $this->drupalLogin($this->web_user);
+ }
+
+ /**
+ * Tests preservation of values.
+ */
+ function testRebuildPreservesValues() {
+ $edit = array(
+ 'checkbox_1_default_off' => TRUE,
+ 'checkbox_1_default_on' => FALSE,
+ 'text_1' => 'foo',
+ );
+ $this->drupalPost('form-test/form-rebuild-preserve-values', $edit, 'Add more');
+
+ // Verify that initial elements retained their submitted values.
+ $this->assertFieldChecked('edit-checkbox-1-default-off', 'A submitted checked checkbox retained its checked state during a rebuild.');
+ $this->assertNoFieldChecked('edit-checkbox-1-default-on', 'A submitted unchecked checkbox retained its unchecked state during a rebuild.');
+ $this->assertFieldById('edit-text-1', 'foo', 'A textfield retained its submitted value during a rebuild.');
+
+ // Verify that newly added elements were initialized with their default values.
+ $this->assertFieldChecked('edit-checkbox-2-default-on', 'A newly added checkbox was initialized with a default checked state.');
+ $this->assertNoFieldChecked('edit-checkbox-2-default-off', 'A newly added checkbox was initialized with a default unchecked state.');
+ $this->assertFieldById('edit-text-2', 'DEFAULT 2', 'A newly added textfield was initialized with its default value.');
+ }
+
+ /**
+ * Tests that a form's action is retained after an Ajax submission.
+ *
+ * The 'action' attribute of a form should not change after an Ajax submission
+ * followed by a non-Ajax submission, which triggers a validation error.
+ */
+ function testPreserveFormActionAfterAJAX() {
+ // Create a multi-valued field for 'page' nodes to use for Ajax testing.
+ $field_name = 'field_ajax_test';
+ $field = array(
+ 'field_name' => $field_name,
+ 'type' => 'text',
+ 'cardinality' => FIELD_CARDINALITY_UNLIMITED,
+ );
+ field_create_field($field);
+ $instance = array(
+ 'field_name' => $field_name,
+ 'entity_type' => 'node',
+ 'bundle' => 'page',
+ );
+ field_create_instance($instance);
+
+ // Log in a user who can create 'page' nodes.
+ $this->web_user = $this->drupalCreateUser(array('create page content'));
+ $this->drupalLogin($this->web_user);
+
+ // Get the form for adding a 'page' node. Submit an "add another item" Ajax
+ // submission and verify it worked by ensuring the updated page has two text
+ // field items in the field for which we just added an item.
+ $this->drupalGet('node/add/page');
+ $this->drupalPostAJAX(NULL, array(), array('field_ajax_test_add_more' => t('Add another item')), 'system/ajax', array(), array(), 'page-node-form');
+ $this->assert(count($this->xpath('//div[contains(@class, "field-name-field-ajax-test")]//input[@type="text"]')) == 2, 'AJAX submission succeeded.');
+
+ // Submit the form with the non-Ajax "Save" button, leaving the title field
+ // blank to trigger a validation error, and ensure that a validation error
+ // occurred, because this test is for testing what happens when a form is
+ // re-rendered without being re-built, which is what happens when there's
+ // a validation error.
+ $this->drupalPost(NULL, array(), t('Save'));
+ $this->assertText('Title field is required.', 'Non-AJAX submission correctly triggered a validation error.');
+
+ // Ensure that the form contains two items in the multi-valued field, so we
+ // know we're testing a form that was correctly retrieved from cache.
+ $this->assert(count($this->xpath('//form[contains(@id, "page-node-form")]//div[contains(@class, "form-item-field-ajax-test")]//input[@type="text"]')) == 2, 'Form retained its state from cache.');
+
+ // Ensure that the form's action is correct.
+ $forms = $this->xpath('//form[contains(@class, "node-page-form")]');
+ $this->assert(count($forms) == 1 && $forms[0]['action'] == url('node/add/page'), 'Re-rendered form contains the correct action value.');
+ }
+}
+
+/**
+ * Tests form redirection.
+ */
+class FormsRedirectTestCase extends DrupalWebTestCase {
+
+ public static function getInfo() {
+ return array(
+ 'name' => 'Form redirecting',
+ 'description' => 'Tests functionality of drupal_redirect_form().',
+ 'group' => 'Form API',
+ );
+ }
+
+ function setUp() {
+ parent::setUp(array('form_test'));
+ }
+
+ /**
+ * Tests form redirection.
+ */
+ function testRedirect() {
+ $path = 'form-test/redirect';
+ $options = array('query' => array('foo' => 'bar'));
+ $options['absolute'] = TRUE;
+
+ // Test basic redirection.
+ $edit = array(
+ 'redirection' => TRUE,
+ 'destination' => $this->randomName(),
+ );
+ $this->drupalPost($path, $edit, t('Submit'));
+ $this->assertUrl($edit['destination'], array(), 'Basic redirection works.');
+
+
+ // Test without redirection.
+ $edit = array(
+ 'redirection' => FALSE,
+ );
+ $this->drupalPost($path, $edit, t('Submit'));
+ $this->assertUrl($path, array(), 'When redirect is set to FALSE, there should be no redirection.');
+
+ // Test redirection with query parameters.
+ $edit = array(
+ 'redirection' => TRUE,
+ 'destination' => $this->randomName(),
+ );
+ $this->drupalPost($path, $edit, t('Submit'), $options);
+ $this->assertUrl($edit['destination'], array(), 'Redirection with query parameters works.');
+
+ // Test without redirection but with query parameters.
+ $edit = array(
+ 'redirection' => FALSE,
+ );
+ $this->drupalPost($path, $edit, t('Submit'), $options);
+ $this->assertUrl($path, $options, 'When redirect is set to FALSE, there should be no redirection, and the query parameters should be passed along.');
+
+ // Test redirection back to the original path.
+ $edit = array(
+ 'redirection' => TRUE,
+ 'destination' => '',
+ );
+ $this->drupalPost($path, $edit, t('Submit'));
+ $this->assertUrl($path, array(), 'When using an empty redirection string, there should be no redirection.');
+
+ // Test redirection back to the original path with query parameters.
+ $edit = array(
+ 'redirection' => TRUE,
+ 'destination' => '',
+ );
+ $this->drupalPost($path, $edit, t('Submit'), $options);
+ $this->assertUrl($path, $options, 'When using an empty redirection string, there should be no redirection, and the query parameters should be passed along.');
+ }
+
+}
+
+/**
+ * Test the programmatic form submission behavior.
+ */
+class FormsProgrammaticTestCase extends DrupalWebTestCase {
+
+ public static function getInfo() {
+ return array(
+ 'name' => 'Programmatic form submissions',
+ 'description' => 'Test the programmatic form submission behavior.',
+ 'group' => 'Form API',
+ );
+ }
+
+ function setUp() {
+ parent::setUp('form_test');
+ }
+
+ /**
+ * Test the programmatic form submission workflow.
+ */
+ function testSubmissionWorkflow() {
+ // Backup the current batch status and reset it to avoid conflicts while
+ // processing the dummy form submit handler.
+ $current_batch = $batch =& batch_get();
+ $batch = array();
+
+ // Test that a programmatic form submission is rejected when a required
+ // textfield is omitted and correctly processed when it is provided.
+ $this->submitForm(array(), FALSE);
+ $this->submitForm(array('textfield' => 'test 1'), TRUE);
+ $this->submitForm(array(), FALSE);
+ $this->submitForm(array('textfield' => 'test 2'), TRUE);
+
+ // Test that a programmatic form submission can turn on and off checkboxes
+ // which are, by default, checked.
+ $this->submitForm(array('textfield' => 'dummy value', 'checkboxes' => array(1 => 1, 2 => 2)), TRUE);
+ $this->submitForm(array('textfield' => 'dummy value', 'checkboxes' => array(1 => 1, 2 => NULL)), TRUE);
+ $this->submitForm(array('textfield' => 'dummy value', 'checkboxes' => array(1 => NULL, 2 => 2)), TRUE);
+ $this->submitForm(array('textfield' => 'dummy value', 'checkboxes' => array(1 => NULL, 2 => NULL)), TRUE);
+
+ // Test that a programmatic form submission can successfully submit values
+ // even for fields where the #access property is FALSE.
+ $this->submitForm(array('textfield' => 'dummy value', 'textfield_no_access' => 'test value'), TRUE);
+ // Test that #access is respected for programmatic form submissions when
+ // requested to do so.
+ $submitted_values = array('textfield' => 'dummy value', 'textfield_no_access' => 'test value');
+ $expected_values = array('textfield' => 'dummy value', 'textfield_no_access' => 'default value');
+ $form_state = array('programmed_bypass_access_check' => FALSE);
+ $this->submitForm($submitted_values, TRUE, $expected_values, $form_state);
+
+ // Test that a programmatic form submission can correctly click a button
+ // that limits validation errors based on user input. Since we do not
+ // submit any values for "textfield" here and the textfield is required, we
+ // only expect form validation to pass when validation is limited to a
+ // different field.
+ $this->submitForm(array('op' => 'Submit with limited validation', 'field_to_validate' => 'all'), FALSE);
+ $this->submitForm(array('op' => 'Submit with limited validation', 'field_to_validate' => 'textfield'), FALSE);
+ $this->submitForm(array('op' => 'Submit with limited validation', 'field_to_validate' => 'field_to_validate'), TRUE);
+
+ // Restore the current batch status.
+ $batch = $current_batch;
+ }
+
+ /**
+ * Helper function used to programmatically submit the form defined in
+ * form_test.module with the given values.
+ *
+ * @param $values
+ * An array of field values to be submitted.
+ * @param $valid_input
+ * A boolean indicating whether or not the form submission is expected to
+ * be valid.
+ * @param $expected_values
+ * (Optional) An array of field values that are expected to be stored by
+ * the form submit handler. If not set, the submitted $values are assumed
+ * to also be the expected stored values.
+ * @param $form_state
+ * (Optional) A keyed array containing the state of the form, to be sent in
+ * the call to drupal_form_submit(). The $values parameter is added to
+ * $form_state['values'] by default, if it is not already set.
+ */
+ private function submitForm($values, $valid_input, $expected_values = NULL, $form_state = array()) {
+ // Programmatically submit the given values.
+ $form_state += array('values' => $values);
+ drupal_form_submit('form_test_programmatic_form', $form_state);
+
+ // Check that the form returns an error when expected, and vice versa.
+ $errors = form_get_errors();
+ $valid_form = empty($errors);
+ $args = array(
+ '%values' => print_r($values, TRUE),
+ '%errors' => $valid_form ? t('None') : implode(' ', $errors),
+ );
+ $this->assertTrue($valid_input == $valid_form, format_string('Input values: %values<br/>Validation handler errors: %errors', $args));
+
+ // We check submitted values only if we have a valid input.
+ if ($valid_input) {
+ // By fetching the values from $form_state['storage'] we ensure that the
+ // submission handler was properly executed.
+ $stored_values = $form_state['storage']['programmatic_form_submit'];
+ if (!isset($expected_values)) {
+ $expected_values = $values;
+ }
+ foreach ($expected_values as $key => $value) {
+ $this->assertTrue(isset($stored_values[$key]) && $stored_values[$key] == $value, format_string('Submission handler correctly executed: %stored_key is %stored_value', array('%stored_key' => $key, '%stored_value' => print_r($value, TRUE))));
+ }
+ }
+ }
+}
+
+/**
+ * Test that FAPI correctly determines $form_state['triggering_element'].
+ */
+class FormsTriggeringElementTestCase extends DrupalWebTestCase {
+
+ public static function getInfo() {
+ return array(
+ 'name' => 'Form triggering element determination',
+ 'description' => 'Test the determination of $form_state[\'triggering_element\'].',
+ 'group' => 'Form API',
+ );
+ }
+
+ function setUp() {
+ parent::setUp('form_test');
+ }
+
+ /**
+ * Test the determination of $form_state['triggering_element'] when no button
+ * information is included in the POST data, as is sometimes the case when
+ * the ENTER key is pressed in a textfield in Internet Explorer.
+ */
+ function testNoButtonInfoInPost() {
+ $path = 'form-test/clicked-button';
+ $edit = array();
+ $form_html_id = 'form-test-clicked-button';
+
+ // Ensure submitting a form with no buttons results in no
+ // $form_state['triggering_element'] and the form submit handler not
+ // running.
+ $this->drupalPost($path, $edit, NULL, array(), array(), $form_html_id);
+ $this->assertText('There is no clicked button.', '$form_state[\'triggering_element\'] set to NULL.');
+ $this->assertNoText('Submit handler for form_test_clicked_button executed.', 'Form submit handler did not execute.');
+
+ // Ensure submitting a form with one or more submit buttons results in
+ // $form_state['triggering_element'] being set to the first one the user has
+ // access to. An argument with 'r' in it indicates a restricted
+ // (#access=FALSE) button.
+ $this->drupalPost($path . '/s', $edit, NULL, array(), array(), $form_html_id);
+ $this->assertText('The clicked button is button1.', '$form_state[\'triggering_element\'] set to only button.');
+ $this->assertText('Submit handler for form_test_clicked_button executed.', 'Form submit handler executed.');
+
+ $this->drupalPost($path . '/s/s', $edit, NULL, array(), array(), $form_html_id);
+ $this->assertText('The clicked button is button1.', '$form_state[\'triggering_element\'] set to first button.');
+ $this->assertText('Submit handler for form_test_clicked_button executed.', 'Form submit handler executed.');
+
+ $this->drupalPost($path . '/rs/s', $edit, NULL, array(), array(), $form_html_id);
+ $this->assertText('The clicked button is button2.', '$form_state[\'triggering_element\'] set to first available button.');
+ $this->assertText('Submit handler for form_test_clicked_button executed.', 'Form submit handler executed.');
+
+ // Ensure submitting a form with buttons of different types results in
+ // $form_state['triggering_element'] being set to the first button,
+ // regardless of type. For the FAPI 'button' type, this should result in the
+ // submit handler not executing. The types are 's'(ubmit), 'b'(utton), and
+ // 'i'(mage_button).
+ $this->drupalPost($path . '/s/b/i', $edit, NULL, array(), array(), $form_html_id);
+ $this->assertText('The clicked button is button1.', '$form_state[\'triggering_element\'] set to first button.');
+ $this->assertText('Submit handler for form_test_clicked_button executed.', 'Form submit handler executed.');
+
+ $this->drupalPost($path . '/b/s/i', $edit, NULL, array(), array(), $form_html_id);
+ $this->assertText('The clicked button is button1.', '$form_state[\'triggering_element\'] set to first button.');
+ $this->assertNoText('Submit handler for form_test_clicked_button executed.', 'Form submit handler did not execute.');
+
+ $this->drupalPost($path . '/i/s/b', $edit, NULL, array(), array(), $form_html_id);
+ $this->assertText('The clicked button is button1.', '$form_state[\'triggering_element\'] set to first button.');
+ $this->assertText('Submit handler for form_test_clicked_button executed.', 'Form submit handler executed.');
+ }
+
+ /**
+ * Test that $form_state['triggering_element'] does not get set to a button
+ * with #access=FALSE.
+ */
+ function testAttemptAccessControlBypass() {
+ $path = 'form-test/clicked-button';
+ $form_html_id = 'form-test-clicked-button';
+
+ // Retrieve a form where 'button1' has #access=FALSE and 'button2' doesn't.
+ $this->drupalGet($path . '/rs/s');
+
+ // Submit the form with 'button1=button1' in the POST data, which someone
+ // trying to get around security safeguards could easily do. We have to do
+ // a little trickery here, to work around the safeguards in drupalPost(): by
+ // renaming the text field that is in the form to 'button1', we can get the
+ // data we want into $_POST.
+ $elements = $this->xpath('//form[@id="' . $form_html_id . '"]//input[@name="text"]');
+ $elements[0]['name'] = 'button1';
+ $this->drupalPost(NULL, array('button1' => 'button1'), NULL, array(), array(), $form_html_id);
+
+ // Ensure that $form_state['triggering_element'] was not set to the
+ // restricted button. Do this with both a negative and positive assertion,
+ // because negative assertions alone can be brittle. See
+ // testNoButtonInfoInPost() for why the triggering element gets set to
+ // 'button2'.
+ $this->assertNoText('The clicked button is button1.', '$form_state[\'triggering_element\'] not set to a restricted button.');
+ $this->assertText('The clicked button is button2.', '$form_state[\'triggering_element\'] not set to a restricted button.');
+ }
+}
+
+/**
+ * Tests rebuilding of arbitrary forms by altering them.
+ */
+class FormsArbitraryRebuildTestCase extends DrupalWebTestCase {
+ public static function getInfo() {
+ return array(
+ 'name' => 'Rebuild arbitrary forms',
+ 'description' => 'Tests altering forms to be rebuilt so there are multiple steps.',
+ 'group' => 'Form API',
+ );
+ }
+
+ function setUp() {
+ parent::setUp('form_test');
+ // Auto-create a field for testing.
+ $field = array(
+ 'field_name' => 'test_multiple',
+ 'type' => 'text',
+ 'cardinality' => -1,
+ 'translatable' => FALSE,
+ );
+ field_create_field($field);
+
+ $instance = array(
+ 'entity_type' => 'node',
+ 'field_name' => 'test_multiple',
+ 'bundle' => 'page',
+ 'label' => 'Test a multiple valued field',
+ 'widget' => array(
+ 'type' => 'text_textfield',
+ 'weight' => 0,
+ ),
+ );
+ field_create_instance($instance);
+ variable_set('user_register', USER_REGISTER_VISITORS);
+ }
+
+ /**
+ * Tests a basic rebuild with the user registration form.
+ */
+ function testUserRegistrationRebuild() {
+ $edit = array(
+ 'name' => 'foo',
+ 'mail' => 'bar@example.com',
+ );
+ $this->drupalPost('user/register', $edit, 'Rebuild');
+ $this->assertText('Form rebuilt.');
+ $this->assertFieldByName('name', 'foo', 'Entered user name has been kept.');
+ $this->assertFieldByName('mail', 'bar@example.com', 'Entered mail address has been kept.');
+ }
+
+ /**
+ * Tests a rebuild caused by a multiple value field.
+ */
+ function testUserRegistrationMultipleField() {
+ $edit = array(
+ 'name' => 'foo',
+ 'mail' => 'bar@example.com',
+ );
+ $this->drupalPost('user/register', $edit, t('Add another item'), array('query' => array('field' => TRUE)));
+ $this->assertText('Test a multiple valued field', 'Form has been rebuilt.');
+ $this->assertFieldByName('name', 'foo', 'Entered user name has been kept.');
+ $this->assertFieldByName('mail', 'bar@example.com', 'Entered mail address has been kept.');
+ }
+}
+
+/**
+ * Tests form API file inclusion.
+ */
+class FormsFileInclusionTestCase extends DrupalWebTestCase {
+
+ public static function getInfo() {
+ return array(
+ 'name' => 'Form API file inclusion',
+ 'description' => 'Tests form API file inclusion.',
+ 'group' => 'Form API',
+ );
+ }
+
+ function setUp() {
+ parent::setUp('form_test');
+ }
+
+ /**
+ * Tests loading an include specified in hook_menu().
+ */
+ function testLoadMenuInclude() {
+ $this->drupalPostAJAX('form-test/load-include-menu', array(), array('op' => t('Save')), 'system/ajax', array(), array(), 'form-test-load-include-menu');
+ $this->assertText('Submit callback called.');
+ }
+
+ /**
+ * Tests loading a custom specified inlcude.
+ */
+ function testLoadCustomInclude() {
+ $this->drupalPost('form-test/load-include-custom', array(), t('Save'));
+ $this->assertText('Submit callback called.');
+ }
+}
+
+/**
+ * Tests checkbox element.
+ */
+class FormCheckboxTestCase extends DrupalWebTestCase {
+
+ public static function getInfo() {
+ return array(
+ 'name' => 'Form API checkbox',
+ 'description' => 'Tests form API checkbox handling of various combinations of #default_value and #return_value.',
+ 'group' => 'Form API',
+ );
+ }
+
+ function setUp() {
+ parent::setUp('form_test');
+ }
+
+ function testFormCheckbox() {
+ // Ensure that the checked state is determined and rendered correctly for
+ // tricky combinations of default and return values.
+ foreach (array(FALSE, NULL, TRUE, 0, '0', '', 1, '1', 'foobar', '1foobar') as $default_value) {
+ // Only values that can be used for array indeces are supported for
+ // #return_value, with the exception of integer 0, which is not supported.
+ // @see form_process_checkbox().
+ foreach (array('0', '', 1, '1', 'foobar', '1foobar') as $return_value) {
+ $form_array = drupal_get_form('form_test_checkbox_type_juggling', $default_value, $return_value);
+ $form = drupal_render($form_array);
+ if ($default_value === TRUE) {
+ $checked = TRUE;
+ }
+ elseif ($return_value === '0') {
+ $checked = ($default_value === '0');
+ }
+ elseif ($return_value === '') {
+ $checked = ($default_value === '');
+ }
+ elseif ($return_value === 1 || $return_value === '1') {
+ $checked = ($default_value === 1 || $default_value === '1');
+ }
+ elseif ($return_value === 'foobar') {
+ $checked = ($default_value === 'foobar');
+ }
+ elseif ($return_value === '1foobar') {
+ $checked = ($default_value === '1foobar');
+ }
+ $checked_in_html = strpos($form, 'checked') !== FALSE;
+ $message = format_string('#default_value is %default_value #return_value is %return_value.', array('%default_value' => var_export($default_value, TRUE), '%return_value' => var_export($return_value, TRUE)));
+ $this->assertIdentical($checked, $checked_in_html, $message);
+ }
+ }
+
+ // Ensure that $form_state['values'] is populated correctly for a checkboxes
+ // group that includes a 0-indexed array of options.
+ $results = json_decode($this->drupalPost('form-test/checkboxes-zero', array(), 'Save'));
+ $this->assertIdentical($results->checkbox_off, array(0, 0, 0), 'All three in checkbox_off are zeroes: off.');
+ $this->assertIdentical($results->checkbox_zero_default, array('0', 0, 0), 'The first choice is on in checkbox_zero_default');
+ $this->assertIdentical($results->checkbox_string_zero_default, array('0', 0, 0), 'The first choice is on in checkbox_string_zero_default');
+ $edit = array('checkbox_off[0]' => '0');
+ $results = json_decode($this->drupalPost('form-test/checkboxes-zero', $edit, 'Save'));
+ $this->assertIdentical($results->checkbox_off, array('0', 0, 0), 'The first choice is on in checkbox_off but the rest is not');
+
+ // Ensure that each checkbox is rendered correctly for a checkboxes group
+ // that includes a 0-indexed array of options.
+ $this->drupalPost('form-test/checkboxes-zero/0', array(), 'Save');
+ $checkboxes = $this->xpath('//input[@type="checkbox"]');
+ foreach ($checkboxes as $checkbox) {
+ $checked = isset($checkbox['checked']);
+ $name = (string) $checkbox['name'];
+ $this->assertIdentical($checked, $name == 'checkbox_zero_default[0]' || $name == 'checkbox_string_zero_default[0]', format_string('Checkbox %name correctly checked', array('%name' => $name)));
+ }
+ $edit = array('checkbox_off[0]' => '0');
+ $this->drupalPost('form-test/checkboxes-zero/0', $edit, 'Save');
+ $checkboxes = $this->xpath('//input[@type="checkbox"]');
+ foreach ($checkboxes as $checkbox) {
+ $checked = isset($checkbox['checked']);
+ $name = (string) $checkbox['name'];
+ $this->assertIdentical($checked, $name == 'checkbox_off[0]' || $name == 'checkbox_zero_default[0]' || $name == 'checkbox_string_zero_default[0]', format_string('Checkbox %name correctly checked', array('%name' => $name)));
+ }
+ }
+}
+
+/**
+ * Tests uniqueness of generated HTML IDs.
+ */
+class HTMLIdTestCase extends DrupalWebTestCase {
+
+ public static function getInfo() {
+ return array(
+ 'name' => 'Unique HTML IDs',
+ 'description' => 'Tests functionality of drupal_html_id().',
+ 'group' => 'Form API',
+ );
+ }
+
+ function setUp() {
+ parent::setUp('form_test');
+ }
+
+ /**
+ * Tests that HTML IDs do not get duplicated when form validation fails.
+ */
+ function testHTMLId() {
+ $this->drupalGet('form-test/double-form');
+ $this->assertNoDuplicateIds('There are no duplicate IDs');
+
+ // Submit second form with empty title.
+ $edit = array();
+ $this->drupalPost(NULL, $edit, 'Save', array(), array(), 'form-test-html-id--2');
+ $this->assertNoDuplicateIds('There are no duplicate IDs');
+ }
+}