function ExperimentalThemeTest::testExperimentalConfirmForm

Tests installing experimental themes and dependencies in the UI.

@dataProvider providerTestExperimentalConfirmForm

File

core/modules/system/tests/src/Functional/Theme/ExperimentalThemeTest.php, line 43

Class

ExperimentalThemeTest

Tests the installation of experimental themes.

Namespace

Code

public function testExperimentalConfirmForm(string $theme_name, string $dependency_theme_name, string $machine_theme_name, string $machine_dependency_theme_name) : void {
    // Only experimental themes should be marked as such with a parenthetical.
    $this->drupalGet('admin/appearance');
    $this->assertSession()
        ->responseContains(sprintf($theme_name . ' %s                (experimental theme)', \Drupal::VERSION));
    $this->assertSession()
        ->responseContains(sprintf($dependency_theme_name . ' %s', \Drupal::VERSION));
    // First, test installing a non-experimental theme with no dependencies.
    // There should be no confirmation form and no experimental theme warning.
    $this->cssSelect('a[title="Install <strong>Test theme</strong> theme"]')[0]
        ->click();
    $this->assertSession()
        ->pageTextContains('The <strong>Test theme</strong> theme has been installed.');
    $this->assertSession()
        ->pageTextNotContains('Experimental modules are provided for testing purposes only.');
    // Next, test installing an experimental theme with no dependencies.
    // There should be a confirmation form with an experimental warning, but no
    // list of dependencies.
    $this->drupalGet('admin/appearance');
    $this->cssSelect('a[title="Install ' . $theme_name . ' theme"]')[0]
        ->click();
    $this->assertSession()
        ->pageTextContains('Experimental themes are provided for testing purposes only. Use at your own risk.');
    // The module should not be enabled and there should be a warning and a
    // list of the experimental modules with only this one.
    $this->assertSession()
        ->pageTextNotContains('The ' . $theme_name . ' theme has been installed.');
    $this->assertSession()
        ->pageTextContains('Experimental themes are provided for testing purposes only.');
    // There should be no message about enabling dependencies.
    $this->assertSession()
        ->pageTextNotContains('You must enable');
    // Enable the theme and confirm that it worked.
    $this->submitForm([], 'Continue');
    $this->assertSession()
        ->pageTextContains('The ' . $theme_name . ' theme has been installed.');
    // Setting it as the default should not ask for another confirmation.
    $this->cssSelect('a[title="Set ' . $theme_name . ' as default theme"]')[0]
        ->click();
    $this->assertSession()
        ->pageTextNotContains('Experimental themes are provided for testing purposes only. Use at your own risk.');
    $this->assertSession()
        ->pageTextContains($theme_name . ' is now the default theme.');
    $this->assertSession()
        ->pageTextNotContains(sprintf($theme_name . ' %s                (experimental theme)', \Drupal::VERSION));
    $this->assertSession()
        ->responseContains(sprintf($theme_name . ' %s                (default theme, administration theme, experimental theme)', \Drupal::VERSION));
    // Uninstall the theme.
    $this->config('system.theme')
        ->set('default', 'test_theme')
        ->save();
    \Drupal::service('theme_handler')->refreshInfo();
    \Drupal::service('theme_installer')->uninstall([
        $machine_theme_name,
    ]);
    // Reinstall the same experimental theme, but this time immediately set it
    // as the default. This should again trigger a confirmation form with an
    // experimental warning.
    $this->drupalGet('admin/appearance');
    $this->cssSelect('a[title="Install ' . $theme_name . ' as default theme"]')[0]
        ->click();
    $this->assertSession()
        ->pageTextContains('Experimental themes are provided for testing purposes only. Use at your own risk.');
    // Test enabling a theme that is not itself experimental, but that depends
    // on an experimental module.
    $this->drupalGet('admin/appearance');
    $this->cssSelect('a[title="Install ' . $dependency_theme_name . ' theme"]')[0]
        ->click();
    // The theme should not be enabled and there should be a warning and a
    // list of the experimental modules with only this one.
    $this->assertSession()
        ->pageTextNotContains('The ' . $dependency_theme_name . ' theme has been installed.');
    $this->assertSession()
        ->pageTextContains('Experimental themes are provided for testing purposes only. Use at your own risk.');
    $this->assertSession()
        ->pageTextContains('The following themes are experimental: ' . $theme_name);
    // Ensure the non-experimental theme is not listed as experimental.
    $this->assertSession()
        ->pageTextNotContains('The following themes are experimental: ' . $theme_name . ', ' . $dependency_theme_name);
    $this->assertSession()
        ->pageTextNotContains('The following themes are experimental: ' . $dependency_theme_name);
    // There should be a message about enabling dependencies.
    $this->assertSession()
        ->pageTextContains('You must enable the ' . $theme_name . ' theme to install ' . $dependency_theme_name);
    // Enable the theme and confirm that it worked.
    $this->submitForm([], 'Continue');
    $this->assertSession()
        ->pageTextContains('The ' . $dependency_theme_name . ' theme has been installed.');
    $this->assertSession()
        ->responseContains(sprintf($theme_name . ' %s                (experimental theme)', \Drupal::VERSION));
    $this->assertSession()
        ->responseContains(sprintf($dependency_theme_name . ' %s', \Drupal::VERSION));
    // Setting it as the default should not ask for another confirmation.
    $this->cssSelect('a[title="Set ' . $dependency_theme_name . ' as default theme"]')[0]
        ->click();
    $this->assertSession()
        ->pageTextNotContains('Experimental themes are provided for testing purposes only. Use at your own risk.');
    $this->assertSession()
        ->pageTextContains($dependency_theme_name . ' is now the default theme.');
    $this->assertSession()
        ->responseContains(sprintf($theme_name . ' %s                (experimental theme)', \Drupal::VERSION));
    $this->assertSession()
        ->responseContains(sprintf($dependency_theme_name . ' %s                (default theme, administration theme)', \Drupal::VERSION));
    // Uninstall the theme.
    $this->config('system.theme')
        ->set('default', 'test_theme')
        ->save();
    \Drupal::service('theme_handler')->refreshInfo();
    \Drupal::service('theme_installer')->uninstall([
        $machine_theme_name,
        $machine_dependency_theme_name,
    ]);
    // Reinstall the same theme, but this time immediately set it as the
    // default. This should again trigger a confirmation form with an
    // experimental warning for its dependency.
    $this->drupalGet('admin/appearance');
    $this->cssSelect('a[title="Install ' . $dependency_theme_name . ' as default theme"]')[0]
        ->click();
    $this->assertSession()
        ->pageTextContains('Experimental themes are provided for testing purposes only. Use at your own risk.');
}