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+<?php
+
+/**
+ * @file
+ * Tests for the update system.
+ */
+
+/**
+ * Tests for the update dependency ordering system.
+ */
+class UpdateDependencyOrderingTestCase extends DrupalWebTestCase {
+ public static function getInfo() {
+ return array(
+ 'name' => 'Update dependency ordering',
+ 'description' => 'Test that update functions are run in the proper order.',
+ 'group' => 'Update API',
+ );
+ }
+
+ function setUp() {
+ parent::setUp('update_test_1', 'update_test_2', 'update_test_3');
+ require_once DRUPAL_ROOT . '/includes/update.inc';
+ }
+
+ /**
+ * Test that updates within a single module run in the correct order.
+ */
+ function testUpdateOrderingSingleModule() {
+ $starting_updates = array(
+ 'update_test_1' => 7000,
+ );
+ $expected_updates = array(
+ 'update_test_1_update_7000',
+ 'update_test_1_update_7001',
+ 'update_test_1_update_7002',
+ );
+ $actual_updates = array_keys(update_resolve_dependencies($starting_updates));
+ $this->assertEqual($expected_updates, $actual_updates, 'Updates within a single module run in the correct order.');
+ }
+
+ /**
+ * Test that dependencies between modules are resolved correctly.
+ */
+ function testUpdateOrderingModuleInterdependency() {
+ $starting_updates = array(
+ 'update_test_2' => 7000,
+ 'update_test_3' => 7000,
+ );
+ $update_order = array_keys(update_resolve_dependencies($starting_updates));
+ // Make sure that each dependency is satisfied.
+ $first_dependency_satisfied = array_search('update_test_2_update_7000', $update_order) < array_search('update_test_3_update_7000', $update_order);
+ $this->assertTrue($first_dependency_satisfied, 'The dependency of the second module on the first module is respected by the update function order.');
+ $second_dependency_satisfied = array_search('update_test_3_update_7000', $update_order) < array_search('update_test_2_update_7001', $update_order);
+ $this->assertTrue($second_dependency_satisfied, 'The dependency of the first module on the second module is respected by the update function order.');
+ }
+}
+
+/**
+ * Tests for missing update dependencies.
+ */
+class UpdateDependencyMissingTestCase extends DrupalWebTestCase {
+ public static function getInfo() {
+ return array(
+ 'name' => 'Missing update dependencies',
+ 'description' => 'Test that missing update dependencies are correctly flagged.',
+ 'group' => 'Update API',
+ );
+ }
+
+ function setUp() {
+ // Only install update_test_2.module, even though its updates have a
+ // dependency on update_test_3.module.
+ parent::setUp('update_test_2');
+ require_once DRUPAL_ROOT . '/includes/update.inc';
+ }
+
+ function testMissingUpdate() {
+ $starting_updates = array(
+ 'update_test_2' => 7000,
+ );
+ $update_graph = update_resolve_dependencies($starting_updates);
+ $this->assertTrue($update_graph['update_test_2_update_7000']['allowed'], "The module's first update function is allowed to run, since it does not have any missing dependencies.");
+ $this->assertFalse($update_graph['update_test_2_update_7001']['allowed'], "The module's second update function is not allowed to run, since it has a direct dependency on a missing update.");
+ $this->assertFalse($update_graph['update_test_2_update_7002']['allowed'], "The module's third update function is not allowed to run, since it has an indirect dependency on a missing update.");
+ }
+}
+
+/**
+ * Tests for the invocation of hook_update_dependencies().
+ */
+class UpdateDependencyHookInvocationTestCase extends DrupalWebTestCase {
+ public static function getInfo() {
+ return array(
+ 'name' => 'Update dependency hook invocation',
+ 'description' => 'Test that the hook invocation for determining update dependencies works correctly.',
+ 'group' => 'Update API',
+ );
+ }
+
+ function setUp() {
+ parent::setUp('update_test_1', 'update_test_2');
+ require_once DRUPAL_ROOT . '/includes/update.inc';
+ }
+
+ /**
+ * Test the structure of the array returned by hook_update_dependencies().
+ */
+ function testHookUpdateDependencies() {
+ $update_dependencies = update_retrieve_dependencies();
+ $this->assertTrue($update_dependencies['system'][7000]['update_test_1'] == 7000, 'An update function that has a dependency on two separate modules has the first dependency recorded correctly.');
+ $this->assertTrue($update_dependencies['system'][7000]['update_test_2'] == 7001, 'An update function that has a dependency on two separate modules has the second dependency recorded correctly.');
+ $this->assertTrue($update_dependencies['system'][7001]['update_test_1'] == 7002, 'An update function that depends on more than one update from the same module only has the dependency on the higher-numbered update function recorded.');
+ }
+}
+