function OptionsWidgetsTest::testSelectListSingle

Tests the 'options_select' widget (single select).

File

core/modules/options/tests/src/Functional/OptionsWidgetsTest.php, line 272

Class

OptionsWidgetsTest

Tests the Options widgets.

Namespace

Code

public function testSelectListSingle() {
  // Create an instance of the 'single value' field.
  $field = FieldConfig::create([
    'field_storage' => $this->card1,
    'bundle' => 'entity_test',
    'required' => TRUE,
  ]);
  $field->save();
  \Drupal::service('entity_display.repository')->getFormDisplay('entity_test', 'entity_test')
    ->setComponent($this->card1
    ->getName(), [
    'type' => 'options_select',
  ])
    ->save();
  // Create an entity.
  $entity = EntityTest::create([
    'user_id' => 1,
    'name' => $this->randomMachineName(),
  ]);
  $entity->save();
  $entity_init = clone $entity;
  // Display form.
  $this->drupalGet('entity_test/manage/' . $entity->id() . '/edit');
  // A required field without any value has a "none" option.
  $this->assertNotEmpty($this->xpath('//select[@id=:id]//option[@value="_none" and text()=:label]', [
    ':id' => 'edit-card-1',
    ':label' => '- Select a value -',
  ]), 'A required select list has a "Select a value" choice.');
  // With no field data, nothing is selected.
  $this->assertTrue($this->assertSession()
    ->optionExists('card_1', '_none')
    ->isSelected());
  $this->assertFalse($this->assertSession()
    ->optionExists('card_1', 0)
    ->isSelected());
  $this->assertFalse($this->assertSession()
    ->optionExists('card_1', 1)
    ->isSelected());
  $this->assertFalse($this->assertSession()
    ->optionExists('card_1', 2)
    ->isSelected());
  $this->assertRaw('Some dangerous & unescaped markup', 'Option text was properly filtered.');
  // Submit form: select invalid 'none' option.
  $edit = [
    'card_1' => '_none',
  ];
  $this->drupalPostForm(NULL, $edit, t('Save'));
  $this->assertRaw(t('@title field is required.', [
    '@title' => $field->getName(),
  ]), 'Cannot save a required field when selecting "none" from the select list.');
  // Submit form: select first option.
  $edit = [
    'card_1' => 0,
  ];
  $this->drupalPostForm(NULL, $edit, t('Save'));
  $this->assertFieldValues($entity_init, 'card_1', [
    0,
  ]);
  // Display form: check that the right options are selected.
  $this->drupalGet('entity_test/manage/' . $entity->id() . '/edit');
  // A required field with a value has no 'none' option.
  $this->assertEmpty($this->xpath('//select[@id=:id]//option[@value="_none"]', [
    ':id' => 'edit-card-1',
  ]), 'A required select list with an actual value has no "none" choice.');
  $this->assertTrue($this->assertSession()
    ->optionExists('card_1', 0)
    ->isSelected());
  $this->assertFalse($this->assertSession()
    ->optionExists('card_1', 1)
    ->isSelected());
  $this->assertFalse($this->assertSession()
    ->optionExists('card_1', 2)
    ->isSelected());
  // Make the field non required.
  $field->setRequired(FALSE);
  $field->save();
  // Display form.
  $this->drupalGet('entity_test/manage/' . $entity->id() . '/edit');
  // A non-required field has a 'none' option.
  $this->assertNotEmpty($this->xpath('//select[@id=:id]//option[@value="_none" and text()=:label]', [
    ':id' => 'edit-card-1',
    ':label' => '- None -',
  ]), 'A non-required select list has a "None" choice.');
  // Submit form: Unselect the option.
  $edit = [
    'card_1' => '_none',
  ];
  $this->drupalPostForm('entity_test/manage/' . $entity->id() . '/edit', $edit, t('Save'));
  $this->assertFieldValues($entity_init, 'card_1', []);
  // Test optgroups.
  $this->card1
    ->setSetting('allowed_values', []);
  $this->card1
    ->setSetting('allowed_values_function', 'options_test_allowed_values_callback');
  $this->card1
    ->save();
  // Display form: with no field data, nothing is selected
  $this->drupalGet('entity_test/manage/' . $entity->id() . '/edit');
  $this->assertFalse($this->assertSession()
    ->optionExists('card_1', 0)
    ->isSelected());
  $this->assertFalse($this->assertSession()
    ->optionExists('card_1', 1)
    ->isSelected());
  $this->assertFalse($this->assertSession()
    ->optionExists('card_1', 2)
    ->isSelected());
  $this->assertRaw('Some dangerous & unescaped markup', 'Option text was properly filtered.');
  $this->assertRaw('More <script>dangerous</script> markup', 'Option group text was properly filtered.');
  $this->assertRaw('Group 1', 'Option groups are displayed.');
  // Submit form: select first option.
  $edit = [
    'card_1' => 0,
  ];
  $this->drupalPostForm(NULL, $edit, t('Save'));
  $this->assertFieldValues($entity_init, 'card_1', [
    0,
  ]);
  // Display form: check that the right options are selected.
  $this->drupalGet('entity_test/manage/' . $entity->id() . '/edit');
  $this->assertTrue($this->assertSession()
    ->optionExists('card_1', 0)
    ->isSelected());
  $this->assertFalse($this->assertSession()
    ->optionExists('card_1', 1)
    ->isSelected());
  $this->assertFalse($this->assertSession()
    ->optionExists('card_1', 2)
    ->isSelected());
  // Submit form: Unselect the option.
  $edit = [
    'card_1' => '_none',
  ];
  $this->drupalPostForm('entity_test/manage/' . $entity->id() . '/edit', $edit, t('Save'));
  $this->assertFieldValues($entity_init, 'card_1', []);
}