function ThemeInstallerTest::testInstallNonExisting

Same name in other branches
  1. 8.9.x core/tests/Drupal/KernelTests/Core/Theme/ThemeInstallerTest.php \Drupal\KernelTests\Core\Theme\ThemeInstallerTest::testInstallNonExisting()
  2. 10 core/tests/Drupal/KernelTests/Core/Theme/ThemeInstallerTest.php \Drupal\KernelTests\Core\Theme\ThemeInstallerTest::testInstallNonExisting()
  3. 11.x core/tests/Drupal/KernelTests/Core/Theme/ThemeInstallerTest.php \Drupal\KernelTests\Core\Theme\ThemeInstallerTest::testInstallNonExisting()

Tests installing a non-existing theme.

File

core/tests/Drupal/KernelTests/Core/Theme/ThemeInstallerTest.php, line 110

Class

ThemeInstallerTest
Tests installing and uninstalling of themes.

Namespace

Drupal\KernelTests\Core\Theme

Code

public function testInstallNonExisting() {
    $name = 'non_existing_theme';
    $themes = $this->themeHandler()
        ->listInfo();
    $this->assertEmpty(array_keys($themes));
    try {
        $message = 'ThemeInstaller::install() throws UnknownExtensionException upon installing a non-existing theme.';
        $this->themeInstaller()
            ->install([
            $name,
        ]);
        $this->fail($message);
    } catch (\Exception $e) {
        $this->assertInstanceOf(UnknownExtensionException::class, $e);
    }
    $themes = $this->themeHandler()
        ->listInfo();
    $this->assertEmpty(array_keys($themes));
}

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