function ValidationTest::testValidateLimitErrors

Tests partial form validation through #limit_validation_errors.

File

core/modules/system/tests/src/Functional/Form/ValidationTest.php, line 91

Class

ValidationTest

Tests form processing and alteration via form validation handlers.

Namespace

Code

public function testValidateLimitErrors() {
    $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) {
        $element = $this->xpath('//input[@id=:id and @formnovalidate=:expected]', [
            ':id' => 'edit-' . $type,
            ':expected' => $expected,
        ]);
        $this->assertTrue(!empty($element), new FormattableMarkup('The @type button has the proper formnovalidate attribute.', [
            '@type' => $type,
        ]));
    }
    // The button with full server-side validation should not have the
    // 'formnovalidate' attribute.
    $element = $this->xpath('//input[@id=:id and not(@formnovalidate)]', [
        ':id' => 'edit-full',
    ]);
    $this->assertTrue(!empty($element), 'The button with full server-side validation does not have the formnovalidate attribute.');
    // 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.
    $this->drupalPostForm($path, $edit, t('Partial validate'));
    $this->assertNoText(t('@name field is required.', [
        '@name' => 'Title',
    ]));
    $this->assertText('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.
    $this->drupalPostForm($path, $edit, t('Partial validate (numeric index)'));
    $this->assertNoText(t('@name field is required.', [
        '@name' => 'Title',
    ]));
    $this->assertText('Test (numeric index) element is invalid');
    // Ensure something like 'foobar' isn't considered "inside" 'foo'.
    $this->drupalPostForm($path, $edit, t('Partial validate (substring)'));
    $this->assertNoText(t('@name field is required.', [
        '@name' => 'Title',
    ]));
    $this->assertText('Test (substring) foo element is invalid');
    // Ensure not validated values are not available to submit handlers.
    $this->drupalPostForm($path, [
        'title' => '',
        'test' => 'valid',
    ], t('Partial validate'));
    $this->assertText('Only validated values appear in the form values.');
    // Now test full form validation and ensure that the #element_validate
    // handler is still triggered.
    $this->drupalPostForm($path, $edit, t('Full validate'));
    $this->assertText(t('@name field is required.', [
        '@name' => 'Title',
    ]));
    $this->assertText('Test element is invalid');
}