function ValidationTest::testValidateLimitErrors

Tests partial form validation through #limit_validation_errors.

File

core/modules/system/tests/src/Functional/Form/ValidationTest.php, line 92

Class

ValidationTest

Tests form processing and alteration via form validation handlers.

Namespace

Code

public function testValidateLimitErrors() : void {
  $edit = [
    'test' => 'invalid',
    'test_numeric_index[0]' => 'invalid',
    'test_substring[foo]' => 'invalid',
  ];
  $path = 'form-test/limit-validation-errors';
  // Render the form, and verify that the buttons with limited server-side
  // validation have the proper 'formnovalidate' attribute (to prevent
  // client-side validation by the browser).
  $this->drupalGet($path);
  $expected = 'formnovalidate';
  foreach ([
    'partial',
    'partial-numeric-index',
    'substring',
  ] as $type) {
    // Verify the $type button has the proper formnovalidate attribute.
    $this->assertSession()
      ->elementExists('xpath', "//input[@id='edit-{$type}' and @formnovalidate='{$expected}']");
  }
  // The button with full server-side validation should not have the
  // 'formnovalidate' attribute.
  $this->assertSession()
    ->elementExists('xpath', "//input[@id='edit-full' and not(@formnovalidate)]");
  // Submit the form by pressing the 'Partial validate' button (uses
  // #limit_validation_errors) and ensure that the title field is not
  // validated, but the #element_validate handler for the 'test' field
  // is triggered.
  $this->drupalGet($path);
  $this->submitForm($edit, 'Partial validate');
  $this->assertSession()
    ->pageTextNotContains('Title field is required.');
  $this->assertSession()
    ->pageTextContains('Test element is invalid');
  // Edge case of #limit_validation_errors containing numeric indexes: same
  // thing with the 'Partial validate (numeric index)' button and the
  // 'test_numeric_index' field.
  $this->drupalGet($path);
  $this->submitForm($edit, 'Partial validate (numeric index)');
  $this->assertSession()
    ->pageTextNotContains('Title field is required.');
  $this->assertSession()
    ->pageTextContains('Test (numeric index) element is invalid');
  // Ensure something like 'foobar' isn't considered "inside" 'foo'.
  $this->drupalGet($path);
  $this->submitForm($edit, 'Partial validate (substring)');
  $this->assertSession()
    ->pageTextNotContains('Title field is required.');
  $this->assertSession()
    ->pageTextContains('Test (substring) foo element is invalid');
  // Ensure not validated values are not available to submit handlers.
  $this->drupalGet($path);
  $this->submitForm([
    'title' => '',
    'test' => 'valid',
  ], 'Partial validate');
  $this->assertSession()
    ->pageTextContains('Only validated values appear in the form values.');
  // Now test full form validation and ensure that the #element_validate
  // handler is still triggered.
  $this->drupalGet($path);
  $this->submitForm($edit, 'Full validate');
  $this->assertSession()
    ->pageTextContains('Title field is required.');
  $this->assertSession()
    ->pageTextContains('Test element is invalid');
}