class LayoutSectionTest

class LayoutSectionTest extends BrowserTestBase {
    
    /**
     * {@inheritdoc}
     */
    protected static $modules = [
        'field_ui',
        'layout_builder',
        'node',
        'block_test',
    ];
    
    /**
     * {@inheritdoc}
     */
    protected $defaultTheme = 'starterkit_theme';
    
    /**
     * {@inheritdoc}
     */
    protected function setUp() : void {
        parent::setUp();
        $this->createContentType([
            'type' => 'bundle_without_section_field',
        ]);
        $this->createContentType([
            'type' => 'bundle_with_section_field',
        ]);
        LayoutBuilderEntityViewDisplay::load('node.bundle_with_section_field.default')->enableLayoutBuilder()
            ->setOverridable()
            ->save();
        $this->drupalLogin($this->drupalCreateUser([
            'configure any layout',
            'administer node display',
            'administer node fields',
            'administer content types',
        ], 'foobar'));
    }
    
    /**
     * Provides test data for ::testLayoutSectionFormatter().
     */
    public function providerTestLayoutSectionFormatter() {
        $data = [];
        $data['block_with_global_context'] = [
            [
                [
                    'section' => new Section('layout_onecol', [], [
                        'baz' => new SectionComponent('baz', 'content', [
                            'id' => 'test_context_aware',
                            'context_mapping' => [
                                'user' => '@user.current_user_context:current_user',
                            ],
                        ]),
                    ]),
                ],
            ],
            [
                '.layout--onecol',
                '#test_context_aware--username',
            ],
            [
                'foobar',
            ],
            'user',
            'user:2',
            'UNCACHEABLE',
        ];
        $data['block_with_entity_context'] = [
            [
                [
                    'section' => new Section('layout_onecol', [], [
                        'baz' => new SectionComponent('baz', 'content', [
                            'id' => 'field_block:node:bundle_with_section_field:body',
                            'context_mapping' => [
                                'entity' => 'layout_builder.entity',
                            ],
                        ]),
                    ]),
                ],
            ],
            [
                '.layout--onecol',
                '.field--name-body',
            ],
            [
                'Body',
                'The node body',
            ],
            '',
            '',
            'MISS',
        ];
        $data['single_section_single_block'] = [
            [
                [
                    'section' => new Section('layout_onecol', [], [
                        'baz' => new SectionComponent('baz', 'content', [
                            'id' => 'system_powered_by_block',
                        ]),
                    ]),
                ],
            ],
            '.layout--onecol',
            'Powered by',
            '',
            '',
            'MISS',
        ];
        $data['multiple_sections'] = [
            [
                [
                    'section' => new Section('layout_onecol', [], [
                        'baz' => new SectionComponent('baz', 'content', [
                            'id' => 'system_powered_by_block',
                        ]),
                    ]),
                ],
                [
                    'section' => new Section('layout_twocol', [], [
                        'foo' => new SectionComponent('foo', 'first', [
                            'id' => 'test_block_instantiation',
                            'display_message' => 'foo text',
                        ]),
                        'bar' => new SectionComponent('bar', 'second', [
                            'id' => 'test_block_instantiation',
                            'display_message' => 'bar text',
                        ]),
                    ]),
                ],
            ],
            [
                '.layout--onecol',
                '.layout--twocol',
            ],
            [
                'Powered by',
                'foo text',
                'bar text',
            ],
            'user.permissions',
            '',
            'MISS',
        ];
        return $data;
    }
    
    /**
     * Tests layout_section formatter output.
     *
     * @dataProvider providerTestLayoutSectionFormatter
     */
    public function testLayoutSectionFormatter($layout_data, $expected_selector, $expected_content, $expected_cache_contexts, $expected_cache_tags, $expected_dynamic_cache) {
        $node = $this->createSectionNode($layout_data);
        $canonical_url = $node->toUrl('canonical');
        $this->drupalGet($canonical_url);
        $this->assertLayoutSection($expected_selector, $expected_content, $expected_cache_contexts, $expected_cache_tags, $expected_dynamic_cache);
        $this->drupalGet($canonical_url->toString() . '/layout');
        $this->assertLayoutSection($expected_selector, $expected_content, $expected_cache_contexts, $expected_cache_tags, 'UNCACHEABLE');
    }
    
    /**
     * Tests the access checking of the section formatter.
     */
    public function testLayoutSectionFormatterAccess() {
        $node = $this->createSectionNode([
            [
                'section' => new Section('layout_onecol', [], [
                    'baz' => new SectionComponent('baz', 'content', [
                        'id' => 'test_access',
                    ]),
                ]),
            ],
        ]);
        // Restrict access to the block.
        $this->container
            ->get('state')
            ->set('test_block_access', FALSE);
        $this->drupalGet($node->toUrl('canonical'));
        $this->assertLayoutSection('.layout--onecol', NULL, '', '', 'UNCACHEABLE');
        // Ensure the block was not rendered.
        $this->assertSession()
            ->pageTextNotContains('Hello test world');
        // Grant access to the block, and ensure it was rendered.
        $this->container
            ->get('state')
            ->set('test_block_access', TRUE);
        $this->drupalGet($node->toUrl('canonical'));
        $this->assertLayoutSection('.layout--onecol', 'Hello test world', '', '', 'UNCACHEABLE');
    }
    
    /**
     * Ensures that the entity title is displayed.
     */
    public function testLayoutPageTitle() {
        $this->drupalPlaceBlock('page_title_block');
        $node = $this->createSectionNode([]);
        $this->drupalGet($node->toUrl('canonical')
            ->toString() . '/layout');
        $this->assertSession()
            ->titleEquals('Edit layout for The node title | Drupal');
        $this->assertEquals('Edit layout for The node title', $this->cssSelect('h1.page-title')[0]
            ->getText());
    }
    
    /**
     * Tests that no Layout link shows without a section field.
     */
    public function testLayoutUrlNoSectionField() {
        $node = $this->createNode([
            'type' => 'bundle_without_section_field',
            'title' => 'The node title',
            'body' => [
                [
                    'value' => 'The node body',
                ],
            ],
        ]);
        $node->save();
        $this->drupalGet($node->toUrl('canonical')
            ->toString() . '/layout');
        $this->assertSession()
            ->statusCodeEquals(404);
    }
    
    /**
     * Tests that deleting a field removes it from the layout.
     */
    public function testLayoutDeletingField() {
        $assert_session = $this->assertSession();
        $this->drupalGet('/admin/structure/types/manage/bundle_with_section_field/display/default/layout');
        $assert_session->statusCodeEquals(200);
        $assert_session->elementExists('css', '.field--name-body');
        // Delete the field from both bundles.
        $this->drupalGet('/admin/structure/types/manage/bundle_without_section_field/fields/node.bundle_without_section_field.body/delete');
        $this->submitForm([], 'Delete');
        $this->drupalGet('/admin/structure/types/manage/bundle_with_section_field/display/default/layout');
        $assert_session->statusCodeEquals(200);
        $assert_session->elementExists('css', '.field--name-body');
        $this->drupalGet('/admin/structure/types/manage/bundle_with_section_field/fields/node.bundle_with_section_field.body/delete');
        $this->submitForm([], 'Delete');
        $this->drupalGet('/admin/structure/types/manage/bundle_with_section_field/display/default/layout');
        $assert_session->statusCodeEquals(200);
        $assert_session->elementNotExists('css', '.field--name-body');
    }
    
    /**
     * Tests that deleting a bundle removes the layout.
     */
    public function testLayoutDeletingBundle() {
        $assert_session = $this->assertSession();
        $display = LayoutBuilderEntityViewDisplay::load('node.bundle_with_section_field.default');
        $this->assertInstanceOf(LayoutBuilderEntityViewDisplay::class, $display);
        $this->drupalGet('/admin/structure/types/manage/bundle_with_section_field/delete');
        $this->submitForm([], 'Delete');
        $assert_session->statusCodeEquals(200);
        $display = LayoutBuilderEntityViewDisplay::load('node.bundle_with_section_field.default');
        $this->assertNull($display);
    }
    
    /**
     * Asserts the output of a layout section.
     *
     * @param string|array $expected_selector
     *   A selector or list of CSS selectors to find.
     * @param string|array $expected_content
     *   A string or list of strings to find.
     * @param string $expected_cache_contexts
     *   A string of cache contexts to be found in the header.
     * @param string $expected_cache_tags
     *   A string of cache tags to be found in the header.
     * @param string $expected_dynamic_cache
     *   The expected dynamic cache header. Either 'HIT', 'MISS' or 'UNCACHEABLE'.
     *
     * @internal
     */
    protected function assertLayoutSection($expected_selector, $expected_content, string $expected_cache_contexts = '', string $expected_cache_tags = '', string $expected_dynamic_cache = 'MISS') : void {
        $assert_session = $this->assertSession();
        // Find the given selector.
        foreach ((array) $expected_selector as $selector) {
            $element = $this->cssSelect($selector);
            $this->assertNotEmpty($element);
        }
        // Find the given content.
        foreach ((array) $expected_content as $content) {
            $assert_session->pageTextContains($content);
        }
        if ($expected_cache_contexts) {
            $assert_session->responseHeaderContains('X-Drupal-Cache-Contexts', $expected_cache_contexts);
        }
        if ($expected_cache_tags) {
            $assert_session->responseHeaderContains('X-Drupal-Cache-Tags', $expected_cache_tags);
        }
        $assert_session->responseHeaderEquals('X-Drupal-Dynamic-Cache', $expected_dynamic_cache);
    }
    
    /**
     * Creates a node with a section field.
     *
     * @param array $section_values
     *   An array of values for a section field.
     *
     * @return \Drupal\node\NodeInterface
     *   The node object.
     */
    protected function createSectionNode(array $section_values) {
        return $this->createNode([
            'type' => 'bundle_with_section_field',
            'title' => 'The node title',
            'body' => [
                [
                    'value' => 'The node body',
                ],
            ],
            OverridesSectionStorage::FIELD_NAME => $section_values,
        ]);
    }

}