<?php

declare(strict_types=1);

namespace Drupal\Tests\update\Functional;

use Drupal\Core\Utility\ProjectInfo;
use Drupal\update\UpdateManagerInterface;

/**
 * Tests how Update Status handles contributed modules and themes.
 *
 * @group update
 * @group #slow
 */
class UpdateContribTest extends UpdateTestBase {
  use UpdateTestTrait;

  /**
   * {@inheritdoc}
   */
  protected $updateTableLocator = 'table.update:nth-of-type(2)';

  /**
   * {@inheritdoc}
   */
  protected $updateProject = 'aaa_update_test';

  /**
   * {@inheritdoc}
   */
  protected static $modules = [
    'aaa_update_test',
    'bbb_update_test',
    'ccc_update_test',
  ];

  /**
   * {@inheritdoc}
   */
  protected $defaultTheme = 'stark';

  /**
   * {@inheritdoc}
   */
  protected function setUp(): void {
    parent::setUp();
    $admin_user = $this->drupalCreateUser(['administer site configuration']);
    $this->drupalLogin($admin_user);
  }

  /**
   * Tests when there is no available release data for a contrib module.
   */
  public function testNoReleasesAvailable(): void {
    $this->mockInstalledExtensionsInfo([
      'aaa_update_test' => [
        'project' => 'aaa_update_test',
        'version' => '8.x-1.0',
        'hidden' => FALSE,
      ],
    ]);
    $this->mockDefaultExtensionsInfo(['version' => '8.0.0']);
    $this->refreshUpdateStatus(['drupal' => '8.0.0', 'aaa_update_test' => 'no-releases']);
    // Cannot use $this->standardTests() because we need to check for the
    // 'No available releases found' string.
    $this->assertSession()->responseContains('<h3>Drupal core</h3>');
    $this->assertSession()->linkExists('Drupal');
    $this->assertSession()->linkByHrefExists('http://example.com/project/drupal');
    $this->assertSession()->pageTextContains('Up to date');
    $this->assertSession()->responseContains('<h3>Modules</h3>');
    $this->assertSession()->pageTextNotContains('Update available');
    $this->assertSession()->pageTextContains('No available releases found');
    $this->assertSession()->linkNotExists('AAA Update test');
    $this->assertSession()->linkByHrefNotExists('http://example.com/project/aaa_update_test');

    $available = update_get_available();
    $this->assertFalse(isset($available['aaa_update_test']['fetch_status']), 'Results are cached even if no releases are available.');
  }

  /**
   * Tests the basic functionality of a contrib module on the status report.
   */
  public function testUpdateContribBasic(): void {
    $installed_extensions = [
      'aaa_update_test' => [
        'project' => 'aaa_update_test',
        'version' => '8.x-1.0',
        'hidden' => FALSE,
      ],
    ];
    $this->mockInstalledExtensionsInfo($installed_extensions);
    $this->mockDefaultExtensionsInfo(['version' => '8.0.0']);
    $this->refreshUpdateStatus(
      [
        'drupal' => '8.0.0',
        'aaa_update_test' => '1_0',
      ]
    );
    $this->standardTests();
    $this->assertSession()->pageTextContains('Up to date');
    $this->assertSession()->responseContains('<h3>Modules</h3>');
    $this->assertSession()->pageTextNotContains('Update available');
    $this->assertSession()->linkExists('AAA Update test');
    $this->assertSession()->linkByHrefExists('http://example.com/project/aaa_update_test');

    // Since aaa_update_test is installed the fact it is hidden and in the
    // Testing package means it should not appear.
    $installed_extensions['aaa_update_test']['hidden'] = TRUE;
    $this->mockInstalledExtensionsInfo($installed_extensions);
    $this->mockDefaultExtensionsInfo(['version' => '8.0.0']);
    $this->refreshUpdateStatus(
      [
        'drupal' => '8.0.0',
        'aaa_update_test' => '1_0',
      ]
    );
    $this->assertSession()->linkNotExists('AAA Update test');
    $this->assertSession()->linkByHrefNotExists('http://example.com/project/aaa_update_test');

    // A hidden and installed project not in the Testing package should appear.
    $installed_extensions['aaa_update_test']['package'] = 'aaa_update_test';
    $this->mockInstalledExtensionsInfo($installed_extensions);
    $this->mockDefaultExtensionsInfo(['version' => '8.0.0']);
    $this->refreshUpdateStatus(
      [
        'drupal' => '8.0.0',
        'aaa_update_test' => '1_0',
      ]
    );
    $this->assertSession()->linkExists('AAA Update test');
    $this->assertSession()->linkByHrefExists('http://example.com/project/aaa_update_test');
  }

  /**
   * Tests that contrib projects are ordered by project name.
   *
   * If a project contains multiple modules, we want to make sure that the
   * available updates report is sorted by the parent project names, not by the
   * names of the modules included in each project. In this test case, we have
   * two contrib projects, "BBB Update test" and "CCC Update test". However, we
   * have a module called "aaa_update_test" that's part of the "CCC Update test"
   * project. We need to make sure that we see the "BBB" project before the
   * "CCC" project, even though "CCC" includes a module that's processed first
   * if you sort alphabetically by module name (which is the order we see things
   * inside \Drupal\Core\Extension\ExtensionList::getList() for example).
   */
  public function testUpdateContribOrder(): void {
    // We want core to be version 8.0.0.
    $this->mockDefaultExtensionsInfo(['version' => '8.0.0']);
    // All the rest should be visible as contrib modules at version 8.x-1.0.
    $this->mockInstalledExtensionsInfo([
      // aaa_update_test needs to be part of the "CCC Update test" project,
      // which would throw off the report if we weren't properly sorting by
      // the project names.
      'aaa_update_test' => [
        'project' => 'ccc_update_test',
        'version' => '8.x-1.0',
        'hidden' => FALSE,
      ],

      // This should be its own project, and listed first on the report.
      'bbb_update_test' => [
        'project' => 'bbb_update_test',
        'version' => '8.x-1.0',
        'hidden' => FALSE,
      ],

      // This will contain both aaa_update_test and ccc_update_test, and
      // should come after the bbb_update_test project.
      'ccc_update_test' => [
        'project' => 'ccc_update_test',
        'version' => '8.x-1.0',
        'hidden' => FALSE,
      ],
    ]);
    $this->refreshUpdateStatus(['drupal' => '8.0.0', '#all' => '1_0']);
    $this->standardTests();
    // We're expecting the report to say all projects are up to date.
    $this->assertSession()->pageTextContains('Up to date');
    $this->assertSession()->pageTextNotContains('Update available');
    // We want to see all 3 module names listed, since they'll show up either
    // as project names or as modules under the "Includes" listing.
    $this->assertSession()->pageTextContains('AAA Update test');
    $this->assertSession()->pageTextContains('BBB Update test');
    $this->assertSession()->pageTextContains('CCC Update test');
    // We want aaa_update_test included in the ccc_update_test project, not as
    // its own project on the report.
    $this->assertSession()->linkNotExists('AAA Update test');
    $this->assertSession()->linkByHrefNotExists('http://example.com/project/aaa_update_test');
    // The other two should be listed as projects.
    $this->assertSession()->linkExists('BBB Update test');
    $this->assertSession()->linkByHrefExists('http://example.com/project/bbb_update_test');
    $this->assertSession()->linkExists('CCC Update test');
    $this->assertSession()->linkByHrefExists('http://example.com/project/ccc_update_test');

    // We want to make sure we see the BBB project before the CCC project.
    // Instead of just searching for 'BBB Update test' or something, we want
    // to use the full markup that starts the project entry itself, so that
    // we're really testing that the project listings are in the right order.
    $bbb_project_link = '<div class="project-update__title"><a href="http://example.com/project/bbb_update_test">BBB Update test</a>';
    $ccc_project_link = '<div class="project-update__title"><a href="http://example.com/project/ccc_update_test">CCC Update test</a>';
    // Verify that the 'BBB Update test' project is listed before the
    // 'CCC Update test' project.
    $this->assertLessThan(strpos($this->getSession()->getPage()->getContent(), $ccc_project_link), strpos($this->getSession()->getPage()->getContent(), $bbb_project_link));
  }

  /**
   * Tests that subthemes are notified about security updates for base themes.
   */
  public function testUpdateBaseThemeSecurityUpdate(): void {
    // @todo https://www.drupal.org/node/2338175 base themes have to be
    //   installed.
    // Only install the subtheme, not the base theme.
    \Drupal::service('theme_installer')->install(['update_test_subtheme']);

    // Define the initial state for core and the subtheme.
    $this->mockInstalledExtensionsInfo([
      // Show the update_test_base_theme.
      'update_test_base_theme' => [
        'project' => 'update_test_base_theme',
        'version' => '8.x-1.0',
        'hidden' => FALSE,
      ],
      // Show the update_test_subtheme.
      'update_test_subtheme' => [
        'project' => 'update_test_subtheme',
        'version' => '8.x-1.0',
        'hidden' => FALSE,
      ],
    ]);
    $xml_mapping = [
      'drupal' => '8.0.0',
      'update_test_subtheme' => '1_0',
      'update_test_base_theme' => '1_1-sec',
    ];
    $this->refreshUpdateStatus($xml_mapping);
    $this->assertSession()->pageTextContains('Security update required!');
    $this->updateProject = 'update_test_base_theme';
    $this->assertVersionUpdateLinks('Security update', '8.x-1.1');
  }

  /**
   * Tests the Update Status module when one normal update is available.
   */
  public function testNormalUpdateAvailable(): void {
    $assert_session = $this->assertSession();
    // Ensure that the update check requires a token.
    $this->drupalGet('admin/reports/updates/check');
    $assert_session->statusCodeEquals(403);

    $this->mockInstalledExtensionsInfo([
      'aaa_update_test' => [
        'project' => 'aaa_update_test',
        'version' => '8.x-1.0',
        'hidden' => FALSE,
      ],
    ]);

    foreach (['1.1', '1.2', '2.0'] as $version) {
      foreach (['-beta1', '-alpha1', ''] as $extra_version) {
        $full_version = "8.x-$version$extra_version";
        $this->refreshUpdateStatus([
          'drupal' => '8.0.0',
          'aaa_update_test' => str_replace('.', '_', $version) . $extra_version,
        ]);
        $this->standardTests();
        $assert_session->pageTextNotContains('Security update required!');
        // The XML test fixtures for this method all contain the '8.x-3.0'
        // release but because '8.x-3.0' is not in a supported branch it will
        // not be in the available updates.
        $this->assertSession()->responseNotContains('8.x-3.0');
        // Set a CSS selector in order for assertions to target the 'Modules'
        // table and not Drupal core updates.
        $this->updateTableLocator = 'table.update:nth-of-type(2)';
        switch ($version) {
          case '1.1':
            // Both stable and unstable releases are available.
            // A stable release is the latest.
            if ($extra_version == '') {
              $assert_session->elementTextNotContains('css', $this->updateTableLocator, 'Up to date');
              $assert_session->elementTextContains('css', $this->updateTableLocator, 'Update available');
              $this->assertVersionUpdateLinks('Recommended version', $full_version);
              $assert_session->elementTextNotContains('css', $this->updateTableLocator, 'Latest version:');
              $assert_session->elementContains('css', $this->updateTableLocator, 'warning.svg');
            }
            // Only unstable releases are available.
            // An unstable release is the latest.
            else {
              $assert_session->elementTextContains('css', $this->updateTableLocator, 'Up to date');
              $assert_session->elementTextNotContains('css', $this->updateTableLocator, 'Update available');
              $assert_session->elementTextNotContains('css', $this->updateTableLocator, 'Recommended version:');
              $this->assertVersionUpdateLinks('Latest version', $full_version);
              $assert_session->elementContains('css', $this->updateTableLocator, 'check.svg');
            }
            break;

          case '1.2':
            // Both stable and unstable releases are available.
            // A stable release is the latest.
            if ($extra_version == '') {
              $assert_session->elementTextNotContains('css', $this->updateTableLocator, 'Up to date');
              $assert_session->elementTextContains('css', $this->updateTableLocator, 'Update available');
              $this->assertVersionUpdateLinks('Recommended version:', $full_version);
              $assert_session->elementTextNotContains('css', $this->updateTableLocator, 'Latest version:');
              $assert_session->elementContains('css', $this->updateTableLocator, 'warning.svg');
            }
            // Both stable and unstable releases are available.
            // An unstable release is the latest.
            else {
              $assert_session->elementTextNotContains('css', $this->updateTableLocator, 'Up to date');
              $assert_session->elementTextContains('css', $this->updateTableLocator, 'Update available');
              $this->assertVersionUpdateLinks('Recommended version:', '8.x-1.1');
              $this->assertVersionUpdateLinks('Latest version:', $full_version);
              $assert_session->elementTextContains('css', $this->updateTableLocator, 'Latest version:');
              $assert_session->elementContains('css', $this->updateTableLocator, 'warning.svg');
            }
            break;

          case '2.0':
            // When next major release (either stable or unstable) is available
            // and the current major is still supported, the next major will be
            // listed as "Also available".
            $assert_session->elementTextNotContains('css', $this->updateTableLocator, 'Up to date');
            $assert_session->elementTextContains('css', $this->updateTableLocator, 'Update available');
            $this->assertVersionUpdateLinks('Recommended version', '8.x-1.2');
            $this->assertVersionUpdateLinks('Also available', $full_version);
            $assert_session->elementTextNotContains('css', $this->updateTableLocator, 'Latest version:');
            $assert_session->elementContains('css', $this->updateTableLocator, 'warning.svg');
        }
      }
    }
  }

  /**
   * Tests that uninstalled themes are only shown when desired.
   *
   * @todo https://www.drupal.org/node/2338175 extensions can not be hidden and
   *   base themes have to be installed.
   */
  public function testUpdateShowDisabledThemes(): void {
    $update_settings = $this->config('update.settings');
    // Make sure all the update_test_* themes are uninstalled.
    $extension_config = $this->config('core.extension');
    foreach ($extension_config->get('theme') as $theme => $weight) {
      if (str_starts_with($theme, 'update_test_')) {
        $extension_config->clear("theme.$theme");
      }
    }
    $extension_config->save();

    // Define the initial state for core and the test contrib themes.
    $this->mockInstalledExtensionsInfo([
      // The update_test_base_theme should be visible and up to date.
      'update_test_base_theme' => [
        'project' => 'update_test_base_theme',
        'version' => '8.x-1.1',
        'hidden' => FALSE,
      ],
      // The update_test_subtheme should be visible and up to date.
      'update_test_subtheme' => [
        'project' => 'update_test_subtheme',
        'version' => '8.x-1.0',
        'hidden' => FALSE,
      ],
    ]);
    // When there are contributed modules in the site's file system, the
    // total number of attempts made in the test may exceed the default value
    // of update_max_fetch_attempts. Therefore this variable is set very high
    // to avoid test failures in those cases.
    $update_settings->set('fetch.max_attempts', 99999)->save();
    $xml_mapping = [
      'drupal' => '8.0.0',
      'update_test_subtheme' => '1_0',
      'update_test_base_theme' => '1_1-sec',
    ];
    foreach ([TRUE, FALSE] as $check_disabled) {
      $update_settings->set('check.disabled_extensions', $check_disabled)->save();
      $this->refreshUpdateStatus($xml_mapping);
      // In neither case should we see the "Themes" heading for installed
      // themes.
      // Use regex pattern because we need to match 'Themes' case sensitively.
      $this->assertSession()->pageTextNotMatches('/Themes/');
      if ($check_disabled) {
        $this->assertSession()->pageTextContains('Uninstalled themes');
        $this->assertSession()->linkExists('Update test base theme');
        $this->assertSession()->linkByHrefExists('http://example.com/project/update_test_base_theme');
        $this->assertSession()->linkExists('Update test subtheme');
        $this->assertSession()->linkByHrefExists('http://example.com/project/update_test_subtheme');
      }
      else {
        $this->assertSession()->pageTextNotContains('Uninstalled themes');
        $this->assertSession()->linkNotExists('Update test base theme');
        $this->assertSession()->linkByHrefNotExists('http://example.com/project/update_test_base_theme');
        $this->assertSession()->linkNotExists('Update test subtheme');
        $this->assertSession()->linkByHrefNotExists('http://example.com/project/update_test_subtheme');
      }
    }
  }

  /**
   * Tests updates with a hidden base theme.
   */
  public function testUpdateHiddenBaseTheme(): void {
    \Drupal::moduleHandler()->loadInclude('update', 'inc', 'update.compare');

    // Install the subtheme.
    \Drupal::service('theme_installer')->install(['update_test_subtheme']);

    // Add a project and initial state for base theme and subtheme.
    $this->mockInstalledExtensionsInfo([
      // Hide the update_test_base_theme.
      'update_test_base_theme' => [
        'project' => 'update_test_base_theme',
        'hidden' => TRUE,
      ],
      // Show the update_test_subtheme.
      'update_test_subtheme' => [
        'project' => 'update_test_subtheme',
        'hidden' => FALSE,
      ],
    ]);
    $projects = \Drupal::service('update.manager')->getProjects();
    $theme_data = \Drupal::service('extension.list.theme')->reset()->getList();
    $project_info = new ProjectInfo();
    $project_info->processInfoList($projects, $theme_data, 'theme', TRUE);

    $this->assertNotEmpty($projects['update_test_base_theme'], 'Valid base theme (update_test_base_theme) was found.');
  }

  /**
   * Makes sure that if we fetch from a broken URL, sane things happen.
   */
  public function testUpdateBrokenFetchURL(): void {
    $this->mockInstalledExtensionsInfo([
      'aaa_update_test' => [
        'project' => 'aaa_update_test',
        'version' => '8.x-1.0',
        'hidden' => FALSE,
      ],
      'bbb_update_test' => [
        'project' => 'bbb_update_test',
        'version' => '8.x-1.0',
        'hidden' => FALSE,
      ],
      'ccc_update_test' => [
        'project' => 'ccc_update_test',
        'version' => '8.x-1.0',
        'hidden' => FALSE,
      ],
    ]);
    $this->mockDefaultExtensionsInfo(['version' => '8.0.0']);
    // Ensure that the update information is correct before testing.
    $this->drupalGet('admin/reports/updates');

    $xml_mapping = [
      'drupal' => '8.0.0',
      'aaa_update_test' => '1_0',
      'bbb_update_test' => 'does-not-exist',
      'ccc_update_test' => '1_0',
    ];
    $this->refreshUpdateStatus($xml_mapping);

    $this->assertSession()->pageTextContains('Up to date');
    // We're expecting the report to say most projects are up to date, so we
    // hope that 'Up to date' is not unique.
    $this->assertSession()->pageTextMatchesCount(3, '/Up to date/');
    // It should say we failed to get data, not that we're missing an update.
    $this->assertSession()->pageTextNotContains('Update available');

    // We need to check that this string is found as part of a project row, not
    // just in the "Failed to get available update data" message at the top of
    // the page.
    $this->assertSession()->responseContains('<div class="project-update__status">Failed to get available update data');

    // We should see the output messages from fetching manually.
    $this->assertSession()->pageTextContainsOnce('Checked available update data for 3 projects.');
    $this->assertSession()->pageTextContainsOnce('Failed to get available update data for one project.');

    // The other two should be listed as projects.
    $this->assertSession()->linkExists('AAA Update test');
    $this->assertSession()->linkByHrefExists('http://example.com/project/aaa_update_test');
    $this->assertSession()->linkNotExists('BBB Update test');
    $this->assertSession()->linkByHrefNotExists('http://example.com/project/bbb_update_test');
    $this->assertSession()->linkExists('CCC Update test');
    $this->assertSession()->linkByHrefExists('http://example.com/project/ccc_update_test');
  }

  /**
   * Checks that hook_update_status_alter() works to change a status.
   *
   * We provide the same external data as if aaa_update_test 8.x-1.0 were
   * installed and that was the latest release. Then we use
   * hook_update_status_alter() to try to mark this as missing a security
   * update, then assert if we see the appropriate warnings on the right pages.
   */
  public function testHookUpdateStatusAlter(): void {
    $update_admin_user = $this->drupalCreateUser([
      'administer site configuration',
      'administer software updates',
    ]);
    $this->drupalLogin($update_admin_user);

    $this->mockInstalledExtensionsInfo([
      'aaa_update_test' => [
        'project' => 'aaa_update_test',
        'version' => '8.x-1.0',
        'hidden' => FALSE,
      ],
    ]);
    $this->mockDefaultExtensionsInfo(['version' => '8.0.0']);
    $update_test_config = $this->config('update_test.settings');
    $update_status = [
      'aaa_update_test' => [
        'status' => UpdateManagerInterface::NOT_SECURE,
      ],
    ];
    $update_test_config->set('update_status', $update_status)->save();
    $this->refreshUpdateStatus(
      [
        'drupal' => '8.0.0',
        'aaa_update_test' => '1_0',
      ]
    );
    $this->assertSession()->responseContains('<h3>Modules</h3>');
    $this->assertSession()->pageTextContains('Security update required!');
    $this->assertSession()->linkExists('AAA Update test');
    $this->assertSession()->linkByHrefExists('http://example.com/project/aaa_update_test');

    // Visit the reports page again without the altering and make sure the
    // status is back to normal.
    $update_test_config->set('update_status', [])->save();
    $this->drupalGet('admin/reports/updates');
    $this->assertSession()->responseContains('<h3>Modules</h3>');
    $this->assertSession()->pageTextNotContains('Security update required!');
    $this->assertSession()->linkExists('AAA Update test');
    $this->assertSession()->linkByHrefExists('http://example.com/project/aaa_update_test');

    // Turn the altering back on and visit the Update Status UI.
    $update_test_config->set('update_status', $update_status)->save();
    $this->drupalGet('admin/reports/updates');
    $this->assertSession()->pageTextContains('Security update');

    // Turn the altering back off and visit the Update Status UI.
    $update_test_config->set('update_status', [])->save();
    $this->drupalGet('admin/reports/updates');
    $this->assertSession()->pageTextNotContains('Security update');
  }

  /**
   * Tests that core compatibility messages are displayed.
   */
  public function testCoreCompatibilityMessage(): void {
    $this->mockInstalledExtensionsInfo([
      'aaa_update_test' => [
        'project' => 'aaa_update_test',
        'version' => '8.x-1.0',
        'hidden' => FALSE,
      ],
    ]);
    $this->mockDefaultExtensionsInfo(['version' => '8.0.0']);

    $this->refreshUpdateStatus(['drupal' => '8.1.1', 'aaa_update_test' => '8.x-1.2']);
    $this->assertCoreCompatibilityMessage('8.x-1.2', '8.0.0 to 8.1.1', 'Recommended version:');
    $this->assertCoreCompatibilityMessage('8.x-1.3-beta1', '8.0.0, 8.1.1', 'Latest version:');

    // Run the same check as above but with a Drupal core XML test fixture
    // without '8.1.' in 'supported_branches'. Confirm that messages do not
    // include releases from the '8.1.' branch.
    $this->refreshUpdateStatus(['drupal' => '8.1.1-core_compatibility', 'aaa_update_test' => '8.x-1.2']);
    $this->assertCoreCompatibilityMessage('8.x-1.2', '8.0.0 to 8.0.1', 'Recommended version:');
    $this->assertCoreCompatibilityMessage('8.x-1.3-beta1', '8.0.0', 'Latest version:');

    // Change the available core releases and confirm that the messages change.
    $this->refreshUpdateStatus(['drupal' => '8.1.1-alpha1', 'aaa_update_test' => '8.x-1.2']);
    $this->assertCoreCompatibilityMessage('8.x-1.2', '8.0.0 to 8.1.0', 'Recommended version:');
    $this->assertCoreCompatibilityMessage('8.x-1.3-beta1', '8.0.0', 'Latest version:');

    // Confirm that messages are displayed for security and 'Also available'
    // updates.
    $this->refreshUpdateStatus(['drupal' => '8.1.1', 'aaa_update_test' => 'core_compatibility.8.x-1.2_8.x-2.2']);
    $this->assertCoreCompatibilityMessage('8.x-1.2', '8.1.0 to 8.1.1', 'Security update:', FALSE);
    $this->assertCoreCompatibilityMessage('8.x-2.2', '8.1.1', 'Also available:', FALSE);
  }

  /**
   * Tests update status of security releases.
   */
  public function testSecurityUpdateAvailability(): void {
    foreach (static::securityUpdateAvailabilityProvider() as $case) {
      $this->doTestSecurityUpdateAvailability($case['module_version'], $case['expected_security_releases'], $case['expected_update_message_type'], $case['fixture']);
    }
  }

  /**
   * Tests update status of security releases.
   *
   * @param string $module_version
   *   The module version the site is using.
   * @param string[] $expected_security_releases
   *   The security releases, if any, that the status report should recommend.
   * @param string $expected_update_message_type
   *   The type of update message expected.
   * @param string $fixture
   *   The fixture file to use.
   */
  protected function doTestSecurityUpdateAvailability($module_version, array $expected_security_releases, $expected_update_message_type, $fixture): void {
    $this->mockInstalledExtensionsInfo([
      'aaa_update_test' => [
        'project' => 'aaa_update_test',
        'version' => $module_version,
        'hidden' => FALSE,
      ],
    ]);
    $this->mockDefaultExtensionsInfo(['version' => '8.0.0']);
    $this->refreshUpdateStatus(['drupal' => '8.0.0', 'aaa_update_test' => $fixture]);
    $this->assertSecurityUpdates('aaa_update_test', $expected_security_releases, $expected_update_message_type, 'table.update:nth-of-type(2)');
  }

  /**
   * Data provider method for testSecurityUpdateAvailability().
   *
   * These test cases rely on the following fixtures containing the following
   * releases:
   * - aaa_update_test.sec.8.x-1.2.xml
   *   - 8.x-1.2 Security update
   *   - 8.x-1.1 Insecure
   *   - 8.x-1.0 Insecure
   * - aaa_update_test.sec.8.x-1.1_8.x-1.2.xml
   *   - 8.x-1.2 Security update
   *   - 8.x-1.1 Security update, Insecure
   *   - 8.x-1.0 Insecure
   * - aaa_update_test.sec.8.x-1.2_8.x-2.2.xml
   *   - 8.x-3.0-beta2
   *   - 8.x-3.0-beta1 Insecure
   *   - 8.x-2.2 Security update
   *   - 8.x-2.1 Security update, Insecure
   *   - 8.x-2.0 Insecure
   *   - 8.x-1.2 Security update
   *   - 8.x-1.1 Insecure
   *   - 8.x-1.0 Insecure
   * - aaa_update_test.sec.8.x-2.2_1.x_secure.xml
   *   - 8.x-2.2 Security update
   *   - 8.x-2.1 Security update, Insecure
   *   - 8.x-2.0 Insecure
   *   - 8.x-1.2
   *   - 8.x-1.1
   *   - 8.x-1.0
   */
  public static function securityUpdateAvailabilityProvider() {
    return [
      // Security releases available for module major release 1.
      // No releases for next major.
      '8.x-1.0, 8.x-1.2' => [
        'module_version' => '8.x-1.0',
        'expected_security_releases' => ['8.x-1.2'],
        'expected_update_message_type' => static::SECURITY_UPDATE_REQUIRED,
        'fixture' => 'sec.8.x-1.2',
      ],
      // Two security releases available for module major release 1.
      // 8.x-1.1 security release marked as insecure.
      // No releases for next major.
      '8.x-1.0, 8.x-1.1 8.x-1.2' => [
        'module_version' => '8.x-1.0',
        'expected_security_releases' => ['8.x-1.2'],
        'expected_update_message_type' => static::SECURITY_UPDATE_REQUIRED,
        'fixture' => 'sec.8.x-1.1_8.x-1.2',
      ],
      // Security release available for module major release 2.
      // No releases for next major.
      '8.x-2.0, 8.x-2.2' => [
        'module_version' => '8.x-2.0',
        'expected_security_releases' => ['8.x-2.2'],
        'expected_update_message_type' => static::SECURITY_UPDATE_REQUIRED,
        'fixture' => 'sec.8.x-2.2_1.x_secure',
      ],
      '8.x-2.2, 8.x-1.2 8.x-2.2' => [
        'module_version' => '8.x-2.2',
        'expected_security_releases' => [],
        'expected_update_message_type' => static::UPDATE_NONE,
        'fixture' => 'sec.8.x-1.2_8.x-2.2',
      ],
      // Security release available for module major release 1.
      // Security release also available for next major.
      '8.x-1.0, 8.x-1.2 8.x-2.2' => [
        'module_version' => '8.x-1.0',
        'expected_security_releases' => ['8.x-1.2'],
        'expected_update_message_type' => static::SECURITY_UPDATE_REQUIRED,
        'fixture' => 'sec.8.x-1.2_8.x-2.2',
      ],
      // No security release available for module major release 1 but 1.x
      // releases are not marked as insecure.
      // Security release available for next major.
      '8.x-1.0, 8.x-2.2, not insecure' => [
        'module_version' => '8.x-1.0',
        'expected_security_releases' => [],
        'expected_update_message_type' => static::UPDATE_AVAILABLE,
        'fixture' => 'sec.8.x-2.2_1.x_secure',
      ],
      // On latest security release for module major release 1.
      // Security release also available for next major.
      '8.x-1.2, 8.x-1.2 8.x-2.2' => [
        'module_version' => '8.x-1.2',
        'expected_security_releases' => [],
        'expected_update_message_type' => static::UPDATE_NONE,
        'fixture' => 'sec.8.x-1.2_8.x-2.2',
      ],
      '8.x-2.0, 8.x-1.2 8.x-2.2' => [
        'module_version' => '8.x-2.0',
        'expected_security_releases' => ['8.x-2.2'],
        'expected_update_message_type' => static::SECURITY_UPDATE_REQUIRED,
        'fixture' => 'sec.8.x-1.2_8.x-2.2',
      ],
      // @todo In https://www.drupal.org/node/2865920 add test cases:
      //   - 8.x-3.0-beta1 using fixture 'sec.8.x-1.2_8.x-2.2' to ensure that
      //     8.x-2.2 is the  only security update.
    ];
  }

  /**
   * Tests messages when a project release is unpublished.
   *
   * This test confirms that revoked messages are displayed regardless of
   * whether the installed version is in a supported branch or not. This test
   * relies on 2 test XML fixtures that are identical except for the
   * 'supported_branches' value:
   * - aaa_update_test.1_0-supported.xml
   *    'supported_branches' is '8.x-1.,8.x-2.'.
   * - aaa_update_test.1_0-unsupported.xml
   *    'supported_branches' is '8.x-2.'.
   * They both have an '8.x-1.0' release that is unpublished and an '8.x-2.0'
   * release that is published and is the expected update.
   */
  public function testRevokedRelease(): void {
    $this->mockInstalledExtensionsInfo([
      'aaa_update_test' => [
        'project' => 'aaa_update_test',
        'version' => '8.x-1.0',
        'hidden' => FALSE,
      ],
    ]);
    $this->refreshUpdateStatus([
      'drupal' => '8.0.0',
      $this->updateProject => '1_0-supported',
    ]);
    // @todo Change the version label to 'Recommended version:' in
    // https://www.drupal.org/node/3114408.
    $this->confirmRevokedStatus('8.x-1.0', '8.x-2.0', 'Also available:');

    $this->refreshUpdateStatus([
      'drupal' => '8.0.0',
      $this->updateProject => '1_0-unsupported',
    ]);
    $this->confirmRevokedStatus('8.x-1.0', '8.x-2.0', 'Recommended version:');
  }

  /**
   * Tests messages when a project release is marked unsupported.
   *
   * This test confirms unsupported messages are displayed regardless of whether
   * the installed version is in a supported branch or not. This test relies on
   * 2 test XML fixtures that are identical except for the 'supported_branches'
   * value:
   * - aaa_update_test.1_0-supported.xml
   *    'supported_branches' is '8.x-1.,8.x-2.'.
   * - aaa_update_test.1_0-unsupported.xml
   *    'supported_branches' is '8.x-2.'.
   * They both have an '8.x-1.1' release that has the 'Release type' value of
   * 'unsupported' and an '8.x-2.0' release that has the 'Release type' value of
   * 'supported' and is the expected update.
   */
  public function testUnsupportedRelease(): void {
    $this->mockInstalledExtensionsInfo([
      'aaa_update_test' => [
        'project' => 'aaa_update_test',
        'version' => '8.x-1.1',
        'hidden' => FALSE,
      ],
    ]);
    $this->refreshUpdateStatus([
      'drupal' => '8.0.0',
      $this->updateProject => '1_0-supported',
    ]);
    // @todo Change the version label to 'Recommended version:' in
    // https://www.drupal.org/node/3114408.
    $this->confirmUnsupportedStatus('8.x-1.1', '8.x-2.0', 'Also available:');

    $this->refreshUpdateStatus([
      'drupal' => '8.0.0',
      $this->updateProject => '1_0-unsupported',
    ]);
    $this->confirmUnsupportedStatus('8.x-1.1', '8.x-2.0', 'Recommended version:');
  }

  /**
   * Tests messages for invalid, empty and missing version strings.
   */
  public function testNonStandardVersionStrings(): void {
    $version_infos = [
      'invalid' => [
        'version' => 'llama',
        'expected' => 'Invalid version: llama',
      ],
      'empty' => [
        'version' => '',
        'expected' => 'Empty version',
      ],
      'null' => [
        'expected' => 'Invalid version: Unknown',
      ],
    ];
    foreach ($version_infos as $version_info) {
      $installed_extensions = [
        'aaa_update_test' => [
          'project' => 'aaa_update_test',
          'hidden' => FALSE,
        ],
      ];
      if (isset($version_info['version'])) {
        $installed_extensions['aaa_update_test']['version'] = $version_info['version'];
      }
      $this->mockInstalledExtensionsInfo($installed_extensions);
      $this->refreshUpdateStatus([
        'drupal' => '8.0.0',
        $this->updateProject => '1_0-supported',
      ]);
      $this->standardTests();
      $this->assertSession()->elementTextContains('css', $this->updateTableLocator, $version_info['expected']);
    }
  }

  /**
   * Asserts that a core compatibility message is correct for an update.
   *
   * @param string $version
   *   The version of the update.
   * @param string $expected_range
   *   The expected core compatibility range.
   * @param string $expected_release_title
   *   The expected release title.
   * @param bool $is_compatible
   *   If the update is compatible with the installed version of Drupal.
   *
   * @internal
   */
  protected function assertCoreCompatibilityMessage(string $version, string $expected_range, string $expected_release_title, bool $is_compatible = TRUE): void {
    $update_element = $this->findUpdateElementByLabel($expected_release_title);
    $this->assertTrue($update_element->hasLink($version));
    $compatibility_details = $update_element->find('css', '.project-update__compatibility-details details');
    $this->assertStringContainsString("Requires Drupal core: $expected_range", $compatibility_details->getText());
    $details_summary_element = $compatibility_details->find('css', 'summary');
    if ($is_compatible) {
      // If an update is compatible with the installed version of Drupal core,
      // the details element should be closed by default.
      $this->assertFalse($compatibility_details->hasAttribute('open'));
      $this->assertSame('Compatible', $details_summary_element->getText());
    }
    else {
      // If an update is not compatible with the installed version of Drupal
      // core, the details element should be open by default.
      $this->assertTrue($compatibility_details->hasAttribute('open'));
      $this->assertSame('Not compatible', $details_summary_element->getText());
    }
    $this->assertFalse($update_element->hasLink('Download'));
  }

}