class MigrateDependenciesTest

class MigrateDependenciesTest extends MigrateDrupal6TestBase {
    
    /**
     * {@inheritdoc}
     */
    public static $modules = [
        'aggregator',
        'comment',
    ];
    
    /**
     * Tests that the order is correct when loading several migrations.
     *
     * @group legacy
     * @expectedDeprecation \Drupal\migrate\Plugin\Migration::get() is deprecated in Drupal 8.1.x, will be removed before Drupal 9.0.x. Use more specific getters instead. See https://www.drupal.org/node/2873795
     */
    public function testMigrateDependenciesOrder() {
        $migration_items = [
            'd6_comment',
            'd6_filter_format',
            'd6_node:page',
        ];
        $migrations = $this->container
            ->get('plugin.manager.migration')
            ->createInstances($migration_items);
        $expected_order = [
            'd6_filter_format',
            'd6_node:page',
            'd6_comment',
        ];
        $this->assertIdentical(array_keys($migrations), $expected_order);
        $expected_requirements = [
            // d6_comment depends on d6_node:*, which the deriver expands into every
            // variant of d6_node.
'd6_node:article',
            'd6_node:company',
            'd6_node:employee',
            'd6_node:event',
            'd6_node:forum',
            'd6_node:page',
            'd6_user',
            'd6_node_type',
            'd6_node_settings',
            'd6_filter_format',
            'd6_node:sponsor',
            'd6_node:story',
            'd6_node:test_event',
            'd6_node:test_page',
            'd6_node:test_planet',
            'd6_node:test_story',
            'd6_comment_type',
            'd6_comment_entity_display',
            'd6_comment_entity_form_display',
        ];
        // Migration dependencies for comment include dependencies for node
        // migration as well.
        $actual_requirements = $migrations['d6_comment']->get('requirements');
        $this->assertIdentical(count($actual_requirements), count($expected_requirements));
        foreach ($expected_requirements as $requirement) {
            $this->assertIdentical($actual_requirements[$requirement], $requirement);
        }
    }
    
    /**
     * Tests that the order is correct when loading several migrations.
     *
     * Replacement test for testMigrateDependenciesOrder that doesn't use
     * the deprecated MigrationInterface::get().
     */
    public function testMigrationDependenciesOrder() {
        $migration_items = [
            'd6_comment',
            'd6_filter_format',
            'd6_node:page',
        ];
        
        /** @var \Drupal\migrate\Plugin\RequirementsInterface[] $migrations */
        $migrations = $this->container
            ->get('plugin.manager.migration')
            ->createInstances($migration_items);
        $expected_order = [
            'd6_filter_format',
            'd6_node:page',
            'd6_comment',
        ];
        $this->assertSame(array_keys($migrations), $expected_order);
        // Migration dependencies for comment include dependencies for node
        // migration as well. checkRequirements does not include migrations with
        // no rows in the exception, so node types with no content aren't included
        // in the list.
        try {
            $migrations['d6_comment']->checkRequirements();
            $this->fail("The requirements check failed to throw a RequirementsException");
        } catch (RequirementsException $e) {
            $this->assertEquals('Missing migrations d6_comment_type, d6_user, d6_comment_entity_display, d6_node_type, d6_comment_entity_form_display, d6_node_settings, d6_filter_format, d6_node:company, d6_node:employee, d6_node:forum, d6_node:page, d6_node:story, d6_node:test_planet.', $e->getMessage());
        } catch (\Exception $e) {
            $this->fail("The requirements check threw an exception, but it was not the expected RequirementsException");
        }
    }
    
    /**
     * Tests dependencies on the migration of aggregator feeds & items.
     */
    public function testAggregatorMigrateDependencies() {
        
        /** @var \Drupal\migrate\Plugin\Migration $migration */
        $migration = $this->getMigration('d6_aggregator_item');
        $executable = new MigrateExecutable($migration, $this);
        $this->startCollectingMessages();
        $executable->import();
        $this->assertEqual($this->migrateMessages['error'], [
            new FormattableMarkup('Migration @id did not meet the requirements. Missing migrations d6_aggregator_feed. requirements: d6_aggregator_feed.', [
                '@id' => $migration->id(),
            ]),
        ]);
        $this->collectMessages = FALSE;
    }

}