function ThemeInfoTest::testStylesheets

Tests libraries-override.

File

core/modules/system/tests/src/Functional/Theme/ThemeInfoTest.php, line 61

Class

ThemeInfoTest

Tests processing of theme .info.yml properties.

Namespace

Code

public function testStylesheets() : void {
    $this->themeInstaller
        ->install([
        'test_base_theme',
        'test_subtheme',
    ]);
    $this->config('system.theme')
        ->set('default', 'test_subtheme')
        ->save();
    $base = $this->getThemePath('test_base_theme');
    $sub = $this->getThemePath('test_subtheme') . '/css';
    // All removals are expected to be based on a file's path and name and
    // should work nevertheless.
    $this->drupalGet('theme-test/info/stylesheets');
    $this->assertSession()
        ->elementsCount('xpath', '//link[contains(@href, "' . $base . '/base-add.css")]', 1);
    $this->assertSession()
        ->elementNotExists('xpath', '//link[contains(@href, "base-remove.css")]');
    $this->assertSession()
        ->elementsCount('xpath', '//link[contains(@href, "' . $sub . '/sub-add.css")]', 1);
    $this->assertSession()
        ->elementNotExists('xpath', '//link[contains(@href, "sub-remove.css")]');
    $this->assertSession()
        ->elementNotExists('xpath', '//link[contains(@href, "base-add.sub-remove.css")]');
    // Verify that CSS files with the same name are loaded from both the base theme and subtheme.
    $this->assertSession()
        ->elementsCount('xpath', '//link[contains(@href, "' . $base . '/same-name.css")]', 1);
    $this->assertSession()
        ->elementsCount('xpath', '//link[contains(@href, "' . $sub . '/same-name.css")]', 1);
}