function ManageFieldsFunctionalTest::testDuplicateFieldName

Tests that a duplicate field name is caught by validation.

File

core/modules/field_ui/tests/src/Functional/ManageFieldsFunctionalTest.php, line 723

Class

ManageFieldsFunctionalTest

Tests the Field UI "Manage fields" screen.

Namespace

Code

public function testDuplicateFieldName() {
    // field_tags already exists, so we're expecting an error when trying to
    // create a new field with the same name.
    $edit = [
        'field_name' => 'tags',
        'label' => $this->randomMachineName(),
        'new_storage_type' => 'entity_reference',
    ];
    $url = 'admin/structure/types/manage/' . $this->contentType . '/fields/add-field';
    $this->drupalGet($url);
    $this->submitForm($edit, 'Save and continue');
    $this->assertSession()
        ->pageTextContains('The machine-readable name is already in use. It must be unique.');
    $this->assertSession()
        ->addressEquals($url);
}