function ElementTest::testButtonClasses

Tests button classes.

File

core/modules/system/tests/src/Functional/Form/ElementTest.php, line 140

Class

ElementTest

Tests building and processing of core form elements.

Namespace

Code

protected function testButtonClasses() : void {
    $this->drupalGet('form-test/button-class');
    // Just contains(@class, "button") won't do because then
    // "button--foo" would contain "button". Instead, check
    // " button ". Make sure it matches in the beginning and the end too
    // by adding a space before and after.
    $this->assertSession()
        ->elementsCount('xpath', '//*[contains(concat(" ", @class, " "), " button ")]', 2);
    $this->assertSession()
        ->elementsCount('xpath', '//*[contains(concat(" ", @class, " "), " button--foo ")]', 1);
    $this->assertSession()
        ->elementsCount('xpath', '//*[contains(concat(" ", @class, " "), " button--danger ")]', 1);
}