class ConfigEntityFormOverrideTest

class ConfigEntityFormOverrideTest extends BrowserTestBase {
    
    /**
     * {@inheritdoc}
     */
    protected static $modules = [
        'config_test',
    ];
    
    /**
     * {@inheritdoc}
     */
    protected $defaultTheme = 'stark';
    
    /**
     * Tests that overrides do not affect forms or listing screens.
     */
    public function testFormsWithOverrides() {
        $this->drupalLogin($this->drupalCreateUser([
            'administer site configuration',
        ]));
        $original_label = 'Default';
        $overridden_label = 'Overridden label';
        $edited_label = 'Edited label';
        $config_test_storage = $this->container
            ->get('entity_type.manager')
            ->getStorage('config_test');
        // Set up an override.
        $settings['config']['config_test.dynamic.dotted.default']['label'] = (object) [
            'value' => $overridden_label,
            'required' => TRUE,
        ];
        $this->writeSettings($settings);
        // Test that the overridden label is loaded with the entity.
        $this->assertEquals($overridden_label, $config_test_storage->load('dotted.default')
            ->label());
        // Test that the original label on the listing page is intact.
        $this->drupalGet('admin/structure/config_test');
        $this->assertSession()
            ->pageTextContains($original_label);
        $this->assertSession()
            ->pageTextNotContains($overridden_label);
        // Test that the original label on the editing page is intact.
        $this->drupalGet('admin/structure/config_test/manage/dotted.default');
        $this->assertSession()
            ->fieldValueEquals('label', $original_label);
        $this->assertSession()
            ->pageTextNotContains($overridden_label);
        // Change to a new label and test that the listing now has the edited label.
        $edit = [
            'label' => $edited_label,
        ];
        $this->submitForm($edit, 'Save');
        $this->drupalGet('admin/structure/config_test');
        $this->assertSession()
            ->pageTextNotContains($overridden_label);
        $this->assertSession()
            ->pageTextContains($edited_label);
        // Test that the editing page now has the edited label.
        $this->drupalGet('admin/structure/config_test/manage/dotted.default');
        $this->assertSession()
            ->fieldValueEquals('label', $edited_label);
        // Test that the overridden label is still loaded with the entity.
        $this->assertEquals($overridden_label, $config_test_storage->load('dotted.default')
            ->label());
    }

}