class ColorBackgroundFormatterTest

class ColorBackgroundFormatterTest extends FieldExampleBrowserTestBase {
    
    /**
     * Field example scenario tests.
     *
     * The following scenarios:
     * - Creates a content type.
     * - Adds a multivalued field_example_rgb to it.
     * - Creates a node of the new type.
     * - Populates the multivalued field with two items.
     * - Tests the result.
     */
    public function testSingleValueField() {
        $assert = $this->assertSession();
        // Login with Admin and create a field.
        $this->drupalLogin($this->administratorAccount);
        $this->fieldName = $this->createField('field_example_rgb', 'field_example_colorpicker', '1', 'field_example_color_background');
        // Login with Author user for content creation.
        $this->drupalLogin($this->authorAccount);
        $this->drupalGet('node/add/' . $this->contentTypeName);
        // Details to be submitted for content creation.
        $title = $this->randomMachineName(20);
        $color = '#00ff00';
        $edit = [
            'title[0][value]' => $title,
            'field_' . $this->fieldName . '[0][value]' => $color,
        ];
        // Submit the content creation form.
        $this->submitForm($edit, 'Save');
        $assert->pageTextContains((string) new FormattableMarkup('@type @title has been created', [
            '@type' => $this->contentTypeName,
            '@title' => $title,
        ]));
        // Verify color.
        $assert->pageTextContains('The content area color has been changed to ' . $color);
        // Test the formatter's configuration options. First verify the foreground
        // color calculation logic is enabled by default and working.
        $assert->elementAttributeNotContains('css', 'p[style*="background-color: ' . $color . '"]', 'style', 'color: inherit');
        $assert->elementAttributeContains('css', 'p[style*="background-color: ' . $color . '"]', 'style', 'color: black');
        // Then toggle the setting off.
        \Drupal::service('entity_display.repository')->getViewDisplay('node', $this->contentTypeName)
            ->setComponent('field_' . $this->fieldName, [
            'label' => 'inline',
            'weight' => 20,
            'type' => 'field_example_color_background',
            'settings' => [
                'adjust_text_color' => 0,
            ],
        ])
            ->save();
        // Clear the cache to ensure we get updated field output.
        // drupal_flush_all_caches();
        $this->getSession()
            ->reload();
        $assert = $this->assertSession();
        $assert->elementAttributeContains('css', 'p[style*="background-color: ' . $color . '"]', 'style', 'color: inherit');
        $assert->elementAttributeNotContains('css', 'p[style*="background-color: ' . $color . '"]', 'style', 'color: black');
    }
    
    /**
     * Tests a multi-value field.
     *
     * Test the following scenarios in Field example:
     * - Creates a content type.
     * - Adds a multivalued field_example_rgb to it.
     * - Creates a node of the new type.
     * - Populates the multivalued field with two items.
     * - Tests the result.
     */
    public function testMultiValueField() {
        $assert = $this->assertSession();
        // Login with Admin and create a field.
        $this->drupalLogin($this->administratorAccount);
        $this->fieldName = $this->createField('field_example_rgb', 'field_example_colorpicker', '-1', 'field_example_color_background');
        // Login with Author user for content creation.
        $this->drupalLogin($this->authorAccount);
        $this->drupalGet('node/add/' . $this->contentTypeName);
        // Details to be submitted for content creation.
        $title = $this->randomMachineName(20);
        $edit = [
            'title[0][value]' => $title,
            'field_' . $this->fieldName . '[0][value]' => '#00ff00',
        ];
        // Add another field value.
        $this->submitForm($edit, 'Add another item');
        // Set value for newly added item.
        $edit = [
            'field_' . $this->fieldName . '[1][value]' => '#ffff4f',
        ];
        // Submit the content creation form.
        $this->submitForm($edit, 'Save');
        $assert->pageTextContains((string) new FormattableMarkup('@type @title has been created', [
            '@type' => $this->contentTypeName,
            '@title' => $title,
        ]));
        // Verify color.
        $assert->pageTextContains('The content area color has been changed to #00ff00');
        $assert->pageTextContains('The content area color has been changed to #ffff4f');
    }

}