function FieldLayoutTest::testEntityViewModes
Tests that layouts are unique per view mode.
File
- 
              core/
modules/ field_layout/ tests/ src/ FunctionalJavascript/ FieldLayoutTest.php, line 57  
Class
- FieldLayoutTest
 - Tests using field layout for entity displays.
 
Namespace
Drupal\Tests\field_layout\FunctionalJavascriptCode
public function testEntityViewModes() {
  // By default, the field is not visible.
  $this->drupalGet('entity_test/1/test');
  $this->assertSession()
    ->elementNotExists('css', '.layout__region--content ');
  $this->drupalGet('entity_test/1');
  $this->assertSession()
    ->elementNotExists('css', '.layout__region--content');
  // Change the layout for the "test" view mode. See
  // core.entity_view_mode.entity_test.test.yml.
  $this->drupalGet('entity_test/structure/entity_test/display');
  $this->click('#edit-modes');
  $this->getSession()
    ->getPage()
    ->checkField('display_modes_custom[test]');
  $this->submitForm([], 'Save');
  $this->clickLink('configure them');
  $this->getSession()
    ->getPage()
    ->pressButton('Show row weights');
  $this->getSession()
    ->getPage()
    ->selectFieldOption('fields[field_test_text][region]', 'content');
  $this->assertSession()
    ->assertWaitOnAjaxRequest();
  $this->submitForm([], 'Save');
  // Each view mode has a different layout.
  $this->drupalGet('entity_test/1/test');
  $this->assertSession()
    ->elementTextContains('css', '.layout__region--content', 'The field test text value');
  $this->drupalGet('entity_test/1');
  $this->assertSession()
    ->elementNotExists('css', '.layout__region--content');
}
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