class ModuleTest

class ModuleTest extends ViewsKernelTestBase {
    
    /**
     * Views used by this test.
     *
     * @var array
     */
    public static $testViews = [
        'test_view_status',
        'test_view',
        'test_argument',
    ];
    
    /**
     * Modules to enable.
     *
     * @var array
     */
    public static $modules = [
        'field',
        'user',
        'block',
    ];
    
    /**
     * Stores the last triggered error.
     *
     * @var string
     *
     * @see \Drupal\views\Tests\ModuleTest::errorHandler()
     */
    protected $lastErrorMessage;
    
    /**
     * Tests the  ViewsHandlerManager::getHandler() method.
     *
     * @see \Drupal\views\Plugin\ViewsHandlerManager::getHandler()
     */
    public function testViewsGetHandler() {
        $types = [
            'field' => BrokenField::class,
            'area' => BrokenArea::class,
            'filter' => BrokenFilter::class,
        ];
        // Test non-existent tables/fields.
        $items = [
            [
                'table' => 'table_invalid',
                'field' => 'id',
            ],
            [
                'table' => 'views_test_data',
                'field' => 'field_invalid',
            ],
        ];
        $form_state = new FormState();
        $description_top = '<p>' . t('The handler for this item is broken or missing. The following details are available:') . '</p>';
        $description_bottom = '<p>' . t('Enabling the appropriate module may solve this issue. Otherwise, check to see if there is a module update available.') . '</p>';
        foreach ($types as $type => $class) {
            foreach ($items as $item) {
                $handler = $this->container
                    ->get('plugin.manager.views.' . $type)
                    ->getHandler($item);
                $this->assertTrue($handler instanceof $class);
                // Make sure details available at edit form.
                $form = [];
                $handler->buildOptionsForm($form, $form_state);
                $this->assertEquals($description_top, $form['description']['description_top']['#markup']);
                $this->assertEquals($description_bottom, $form['description']['description_bottom']['#markup']);
                $details = [];
                foreach ($item as $key => $value) {
                    $details[] = new FormattableMarkup('@key: @value', [
                        '@key' => $key,
                        '@value' => $value,
                    ]);
                }
                $this->assertEquals($details, $form['description']['detail_list']['#items']);
            }
        }
        $views_data = $this->viewsData();
        $test_tables = [
            'views_test_data' => [
                'id',
                'name',
            ],
        ];
        foreach ($test_tables as $table => $fields) {
            foreach ($fields as $field) {
                $data = $views_data[$table][$field];
                $item = [
                    'table' => $table,
                    'field' => $field,
                ];
                foreach ($data as $id => $field_data) {
                    if (!in_array($id, [
                        'title',
                        'help',
                    ])) {
                        $handler = $this->container
                            ->get('plugin.manager.views.' . $id)
                            ->getHandler($item);
                        $this->assertInstanceHandler($handler, $table, $field, $id);
                    }
                }
            }
        }
        // Test the override handler feature.
        $item = [
            'table' => 'views_test_data',
            'field' => 'job',
        ];
        $handler = $this->container
            ->get('plugin.manager.views.filter')
            ->getHandler($item, 'standard');
        $this->assertInstanceOf(Standard::class, $handler);
    }
    
    /**
     * Tests the load wrapper/helper functions.
     */
    public function testLoadFunctions() {
        $this->enableModules([
            'text',
            'node',
        ]);
        $this->installEntitySchema('node');
        $this->installConfig([
            'node',
        ]);
        $storage = $this->container
            ->get('entity_type.manager')
            ->getStorage('view');
        // Test views_view_is_enabled/disabled.
        $archive = $storage->load('archive');
        $this->assertTrue(views_view_is_disabled($archive), 'views_view_is_disabled works as expected.');
        // Enable the view and check this.
        $archive->enable();
        $this->assertTrue(views_view_is_enabled($archive), ' views_view_is_enabled works as expected.');
        // We can store this now, as we have enabled/disabled above.
        $all_views = $storage->loadMultiple();
        // Test Views::getAllViews().
        ksort($all_views);
        $this->assertEquals(array_keys($all_views), array_keys(Views::getAllViews()), 'Views::getAllViews works as expected.');
        // Test Views::getEnabledViews().
        $expected_enabled = array_filter($all_views, function ($view) {
            return views_view_is_enabled($view);
        });
        $this->assertEquals(array_keys($expected_enabled), array_keys(Views::getEnabledViews()), 'Expected enabled views returned.');
        // Test Views::getDisabledViews().
        $expected_disabled = array_filter($all_views, function ($view) {
            return views_view_is_disabled($view);
        });
        $this->assertEquals(array_keys($expected_disabled), array_keys(Views::getDisabledViews()), 'Expected disabled views returned.');
        // Test Views::getViewsAsOptions().
        // Test the $views_only parameter.
        $this->assertIdentical(array_keys($all_views), array_keys(Views::getViewsAsOptions(TRUE)), 'Expected option keys for all views were returned.');
        $expected_options = [];
        foreach ($all_views as $id => $view) {
            $expected_options[$id] = $view->label();
        }
        $this->assertIdentical($expected_options, $this->castSafeStrings(Views::getViewsAsOptions(TRUE)), 'Expected options array was returned.');
        // Test the default.
        $this->assertIdentical($this->formatViewOptions($all_views), $this->castSafeStrings(Views::getViewsAsOptions()), 'Expected options array for all views was returned.');
        // Test enabled views.
        $this->assertIdentical($this->formatViewOptions($expected_enabled), $this->castSafeStrings(Views::getViewsAsOptions(FALSE, 'enabled')), 'Expected enabled options array was returned.');
        // Test disabled views.
        $this->assertIdentical($this->formatViewOptions($expected_disabled), $this->castSafeStrings(Views::getViewsAsOptions(FALSE, 'disabled')), 'Expected disabled options array was returned.');
        // Test the sort parameter.
        $all_views_sorted = $all_views;
        ksort($all_views_sorted);
        $this->assertIdentical(array_keys($all_views_sorted), array_keys(Views::getViewsAsOptions(TRUE, 'all', NULL, FALSE, TRUE)), 'All view id keys returned in expected sort order');
        // Test $exclude_view parameter.
        $this->assertArrayNotHasKey('archive', Views::getViewsAsOptions(TRUE, 'all', 'archive'));
        $this->assertArrayNotHasKey('archive:default', Views::getViewsAsOptions(FALSE, 'all', 'archive:default'));
        $this->assertArrayNotHasKey('archive', Views::getViewsAsOptions(TRUE, 'all', $archive->getExecutable()));
        // Test the $opt_group parameter.
        $expected_opt_groups = [];
        foreach ($all_views as $view) {
            foreach ($view->get('display') as $display) {
                $expected_opt_groups[$view->id()][$view->id() . ':' . $display['id']] = (string) t('@view : @display', [
                    '@view' => $view->id(),
                    '@display' => $display['id'],
                ]);
            }
        }
        $this->assertIdentical($expected_opt_groups, $this->castSafeStrings(Views::getViewsAsOptions(FALSE, 'all', NULL, TRUE)), 'Expected option array for an option group returned.');
    }
    
    /**
     * Tests view enable and disable procedural wrapper functions.
     */
    public function testStatusFunctions() {
        $view = Views::getView('test_view_status')->storage;
        $this->assertFalse($view->status(), 'The view status is disabled.');
        views_enable_view($view);
        $this->assertTrue($view->status(), 'A view has been enabled.');
        $this->assertEqual($view->status(), views_view_is_enabled($view), 'views_view_is_enabled is correct.');
        views_disable_view($view);
        $this->assertFalse($view->status(), 'A view has been disabled.');
        $this->assertEqual(!$view->status(), views_view_is_disabled($view), 'views_view_is_disabled is correct.');
    }
    
    /**
     * Tests the \Drupal\views\Views::fetchPluginNames() method.
     */
    public function testViewsFetchPluginNames() {
        // All style plugins should be returned, as we have not specified a type.
        $plugins = Views::fetchPluginNames('style');
        $definitions = $this->container
            ->get('plugin.manager.views.style')
            ->getDefinitions();
        $expected = [];
        foreach ($definitions as $id => $definition) {
            $expected[$id] = $definition['title'];
        }
        asort($expected);
        $this->assertIdentical(array_keys($plugins), array_keys($expected));
        // Test using the 'test' style plugin type only returns the test_style and
        // mapping_test plugins.
        $plugins = Views::fetchPluginNames('style', 'test');
        $this->assertIdentical(array_keys($plugins), [
            'mapping_test',
            'test_style',
            'test_template_style',
        ]);
        // Test a non existent style plugin type returns no plugins.
        $plugins = Views::fetchPluginNames('style', $this->randomString());
        $this->assertIdentical($plugins, []);
    }
    
    /**
     * Tests the \Drupal\views\Views::pluginList() method.
     */
    public function testViewsPluginList() {
        $plugin_list = Views::pluginList();
        // Only plugins used by 'test_view' should be in the plugin list.
        foreach ([
            'display:default',
            'pager:none',
        ] as $key) {
            list($plugin_type, $plugin_id) = explode(':', $key);
            $plugin_def = $this->container
                ->get("plugin.manager.views.{$plugin_type}")
                ->getDefinition($plugin_id);
            $this->assertTrue(isset($plugin_list[$key]), new FormattableMarkup('The expected @key plugin list key was found.', [
                '@key' => $key,
            ]));
            $plugin_details = $plugin_list[$key];
            $this->assertEqual($plugin_details['type'], $plugin_type, 'The expected plugin type was found.');
            $this->assertEqual($plugin_details['title'], $plugin_def['title'], 'The expected plugin title was found.');
            $this->assertEqual($plugin_details['provider'], $plugin_def['provider'], 'The expected plugin provider was found.');
            $this->assertContains('test_view', $plugin_details['views'], 'The test_view View was found in the list of views using this plugin.');
        }
    }
    
    /**
     * Tests views.module: views_embed_view().
     */
    public function testViewsEmbedView() {
        
        /** @var \Drupal\Core\Render\RendererInterface $renderer */
        $renderer = \Drupal::service('renderer');
        $result = views_embed_view('test_argument');
        $renderer->renderPlain($result);
        $this->assertCount(5, $result['view_build']['#view']->result);
        $result = views_embed_view('test_argument', 'default', 1);
        $renderer->renderPlain($result);
        $this->assertCount(1, $result['view_build']['#view']->result);
        $result = views_embed_view('test_argument', 'default', '1,2');
        $renderer->renderPlain($result);
        $this->assertCount(2, $result['view_build']['#view']->result);
        $result = views_embed_view('test_argument', 'default', '1,2', 'John');
        $renderer->renderPlain($result);
        $this->assertCount(1, $result['view_build']['#view']->result);
        $result = views_embed_view('test_argument', 'default', '1,2', 'John,George');
        $renderer->renderPlain($result);
        $this->assertCount(2, $result['view_build']['#view']->result);
    }
    
    /**
     * Tests the \Drupal\views\ViewsExecutable::preview() method.
     */
    public function testViewsPreview() {
        $view = Views::getView('test_argument');
        $result = $view->preview('default');
        $this->assertCount(5, $result['#view']->result);
        $view = Views::getView('test_argument');
        $result = $view->preview('default', [
            '0' => 1,
        ]);
        $this->assertCount(1, $result['#view']->result);
        $view = Views::getView('test_argument');
        $result = $view->preview('default', [
            '3' => 1,
        ]);
        $this->assertCount(1, $result['#view']->result);
        $view = Views::getView('test_argument');
        $result = $view->preview('default', [
            '0' => '1,2',
        ]);
        $this->assertCount(2, $result['#view']->result);
        $view = Views::getView('test_argument');
        $result = $view->preview('default', [
            '3' => '1,2',
        ]);
        $this->assertCount(2, $result['#view']->result);
        $view = Views::getView('test_argument');
        $result = $view->preview('default', [
            '0' => '1,2',
            '1' => 'John',
        ]);
        $this->assertCount(1, $result['#view']->result);
        $view = Views::getView('test_argument');
        $result = $view->preview('default', [
            '3' => '1,2',
            '4' => 'John',
        ]);
        $this->assertCount(1, $result['#view']->result);
        $view = Views::getView('test_argument');
        $result = $view->preview('default', [
            '0' => '1,2',
            '1' => 'John,George',
        ]);
        $this->assertCount(2, $result['#view']->result);
        $view = Views::getView('test_argument');
        $result = $view->preview('default', [
            '3' => '1,2',
            '4' => 'John,George',
        ]);
        $this->assertCount(2, $result['#view']->result);
    }
    
    /**
     * Helper to return an expected views option array.
     *
     * @param array $views
     *   An array of Drupal\views\Entity\View objects for which to
     *   create an options array.
     *
     * @return array
     *   A formatted options array that matches the expected output.
     */
    protected function formatViewOptions(array $views = []) {
        $expected_options = [];
        foreach ($views as $view) {
            foreach ($view->get('display') as $display) {
                $expected_options[$view->id() . ':' . $display['id']] = (string) t('View: @view - Display: @display', [
                    '@view' => $view->id(),
                    '@display' => $display['id'],
                ]);
            }
        }
        return $expected_options;
    }
    
    /**
     * Ensure that a certain handler is a instance of a certain table/field.
     */
    public function assertInstanceHandler($handler, $table, $field, $id) {
        $table_data = $this->container
            ->get('views.views_data')
            ->get($table);
        $field_data = $table_data[$field][$id];
        $this->assertEqual($field_data['id'], $handler->getPluginId());
    }

}