function ThemeInstallerTest::testUninstallBaseBeforeSubTheme

Tests uninstalling a base theme before its sub-theme.

File

core/tests/Drupal/KernelTests/Core/Theme/ThemeInstallerTest.php, line 287

Class

ThemeInstallerTest

Tests installing and uninstalling of themes.

Namespace

Code

public function testUninstallBaseBeforeSubTheme() {
    $name = 'test_basetheme';
    $sub_name = 'test_subtheme';
    $this->themeInstaller()
        ->install([
        $sub_name,
    ]);
    try {
        $message = 'ThemeInstaller::install() throws InvalidArgumentException upon uninstalling base theme before sub theme.';
        $this->themeInstaller()
            ->uninstall([
            $name,
        ]);
        $this->fail($message);
    } catch (\Exception $e) {
        $this->assertInstanceOf(\InvalidArgumentException::class, $e);
    }
    $themes = $this->themeHandler()
        ->listInfo();
    $this->assertTrue(isset($themes[$name]));
    $this->assertTrue(isset($themes[$sub_name]));
    // Verify that uninstalling both at the same time works.
    $this->themeInstaller()
        ->uninstall([
        $name,
        $sub_name,
    ]);
    $themes = $this->themeHandler()
        ->listInfo();
    $this->assertFalse(isset($themes[$name]));
    $this->assertFalse(isset($themes[$sub_name]));
}