class UpdateCoreTest

class UpdateCoreTest extends UpdateTestBase {
    use CronRunTrait;
    
    /**
     * Modules to enable.
     *
     * @var array
     */
    public static $modules = [
        'update_test',
        'update',
        'language',
        'block',
    ];
    
    /**
     * {@inheritdoc}
     */
    protected $defaultTheme = 'stark';
    
    /**
     * {@inheritdoc}
     */
    protected $updateTableLocator = 'table.update';
    
    /**
     * {@inheritdoc}
     */
    protected $updateProject = 'drupal';
    protected function setUp() {
        parent::setUp();
        $admin_user = $this->drupalCreateUser([
            'administer site configuration',
            'administer modules',
            'administer themes',
        ]);
        $this->drupalLogin($admin_user);
        $this->drupalPlaceBlock('local_actions_block');
    }
    
    /**
     * Sets the version to x.x.x when no project-specific mapping is defined.
     *
     * @param string $version
     *   The version.
     */
    protected function setSystemInfo($version) {
        $setting = [
            '#all' => [
                'version' => $version,
            ],
        ];
        $this->config('update_test.settings')
            ->set('system_info', $setting)
            ->save();
    }
    
    /**
     * Tests the Update Manager module when no updates are available.
     *
     * The XML fixture file 'drupal.1.0.xml' which is one of the XML files this
     * test uses also contains 2 extra releases that are newer than '8.0.1'. These
     * releases will not show as available updates because of the following
     * reasons:
     * - '8.0.2' is an unpublished release.
     * - '8.0.3' is marked as 'Release type' 'Unsupported'.
     */
    public function testNoUpdatesAvailable() {
        foreach ([
            0,
            1,
        ] as $minor_version) {
            foreach ([
                0,
                1,
            ] as $patch_version) {
                foreach ([
                    '-alpha1',
                    '-beta1',
                    '',
                ] as $extra_version) {
                    $this->setSystemInfo("8.{$minor_version}.{$patch_version}" . $extra_version);
                    $this->refreshUpdateStatus([
                        'drupal' => "{$minor_version}.{$patch_version}" . $extra_version,
                    ]);
                    $this->standardTests();
                    // The XML test fixtures for this method all contain the '8.2.0'
                    // release but because '8.2.0' is not in a supported branch it will
                    // not be in the available updates.
                    $this->assertNoRaw('8.2.0');
                    $this->assertText(t('Up to date'));
                    $this->assertNoText(t('Update available'));
                    $this->assertNoText(t('Security update required!'));
                    $this->assertRaw('check.svg', 'Check icon was found.');
                }
            }
        }
    }
    
    /**
     * Tests the Update Manager module when one normal update is available.
     */
    public function testNormalUpdateAvailable() {
        $this->setSystemInfo('8.0.0');
        // Ensure that the update check requires a token.
        $this->drupalGet('admin/reports/updates/check');
        $this->assertSession()
            ->statusCodeEquals(403);
        foreach ([
            0,
            1,
        ] as $minor_version) {
            foreach ([
                '-alpha1',
                '-beta1',
                '',
            ] as $extra_version) {
                $full_version = "8.{$minor_version}.1{$extra_version}";
                $this->refreshUpdateStatus([
                    'drupal' => "{$minor_version}.1" . $extra_version,
                ]);
                $this->standardTests();
                $this->drupalGet('admin/reports/updates');
                $this->clickLink(t('Check manually'));
                $this->checkForMetaRefresh();
                $this->assertNoText(t('Security update required!'));
                // The XML test fixtures for this method all contain the '8.2.0' release
                // but because '8.2.0' is not in a supported branch it will not be in
                // the available updates.
                $this->assertNoRaw('8.2.0');
                switch ($minor_version) {
                    case 0:
                        // Both stable and unstable releases are available.
                        // A stable release is the latest.
                        if ($extra_version == '') {
                            $this->assertNoText(t('Up to date'));
                            $this->assertText(t('Update available'));
                            $this->assertVersionUpdateLinks('Recommended version:', $full_version);
                            $this->assertNoText(t('Latest version:'));
                            $this->assertRaw('warning.svg', 'Warning icon was found.');
                        }
                        else {
                            $this->assertText(t('Up to date'));
                            $this->assertNoText(t('Update available'));
                            $this->assertNoText(t('Recommended version:'));
                            $this->assertVersionUpdateLinks('Latest version:', $full_version);
                            $this->assertRaw('check.svg', 'Check icon was found.');
                        }
                        break;
                    case 1:
                        // Both stable and unstable releases are available.
                        // A stable release is the latest.
                        if ($extra_version == '') {
                            $this->assertNoText(t('Up to date'));
                            $this->assertText(t('Update available'));
                            $this->assertVersionUpdateLinks('Recommended version:', $full_version);
                            $this->assertNoText(t('Latest version:'));
                            $this->assertRaw('warning.svg', 'Warning icon was found.');
                        }
                        else {
                            $this->assertNoText(t('Up to date'));
                            $this->assertText(t('Update available'));
                            $this->assertVersionUpdateLinks('Recommended version:', '8.1.0');
                            $this->assertVersionUpdateLinks('Latest version:', $full_version);
                            $this->assertRaw('warning.svg', 'Warning icon was found.');
                        }
                        break;
                }
            }
        }
    }
    
    /**
     * Tests the Update Manager module when a major update is available.
     */
    public function testMajorUpdateAvailable() {
        foreach ([
            0,
            1,
        ] as $minor_version) {
            foreach ([
                0,
                1,
            ] as $patch_version) {
                foreach ([
                    '-alpha1',
                    '-beta1',
                    '',
                ] as $extra_version) {
                    $this->setSystemInfo("8.{$minor_version}.{$patch_version}" . $extra_version);
                    $this->refreshUpdateStatus([
                        'drupal' => '9',
                    ]);
                    $this->standardTests();
                    $this->drupalGet('admin/reports/updates');
                    $this->clickLink(t('Check manually'));
                    $this->checkForMetaRefresh();
                    $this->assertNoText(t('Security update required!'));
                    $this->assertRaw(Link::fromTextAndUrl('9.0.0', Url::fromUri("http://example.com/drupal-9-0-0-release"))->toString(), 'Link to release appears.');
                    $this->assertRaw(Link::fromTextAndUrl(t('Download'), Url::fromUri("http://example.com/drupal-9-0-0.tar.gz"))->toString(), 'Link to download appears.');
                    $this->assertRaw(Link::fromTextAndUrl(t('Release notes'), Url::fromUri("http://example.com/drupal-9-0-0-release"))->toString(), 'Link to release notes appears.');
                    $this->assertNoText(t('Up to date'));
                    $this->assertText(t('Not supported!'));
                    $this->assertText(t('Recommended version:'));
                    $this->assertNoText(t('Latest version:'));
                    $this->assertRaw('error.svg', 'Error icon was found.');
                }
            }
        }
    }
    
    /**
     * Tests the Update Manager module when a security update is available.
     *
     * @param string $site_patch_version
     *   The patch version to set the site to for testing.
     * @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 $fixture
     *   The test fixture that contains the test XML.
     *
     * @dataProvider securityUpdateAvailabilityProvider
     */
    public function testSecurityUpdateAvailability($site_patch_version, array $expected_security_releases, $expected_update_message_type, $fixture) {
        $this->setSystemInfo("8.{$site_patch_version}");
        $this->refreshUpdateStatus([
            'drupal' => $fixture,
        ]);
        $this->assertSecurityUpdates('drupal-8', $expected_security_releases, $expected_update_message_type, 'table.update');
    }
    
    /**
     * Data provider method for testSecurityUpdateAvailability().
     *
     * These test cases rely on the following fixtures containing the following
     * releases:
     * - drupal.sec.0.1_0.2.xml
     *   - 8.0.2 Security update
     *   - 8.0.1 Security update, Insecure
     *   - 8.0.0 Insecure
     * - drupal.sec.0.2.xml
     *   - 8.0.2 Security update
     *   - 8.0.1 Insecure
     *   - 8.0.0 Insecure
     * - drupal.sec.0.2-rc2.xml
     *   - 8.2.0-rc2 Security update
     *   - 8.2.0-rc1 Insecure
     *   - 8.2.0-beta2 Insecure
     *   - 8.2.0-beta1 Insecure
     *   - 8.2.0-alpha2 Insecure
     *   - 8.2.0-alpha1 Insecure
     *   - 8.1.2 Security update
     *   - 8.1.1 Insecure
     *   - 8.1.0 Insecure
     *   - 8.0.2 Security update
     *   - 8.0.1 Insecure
     *   - 8.0.0 Insecure
     * - drupal.sec.1.2.xml
     *   - 8.1.2 Security update
     *   - 8.1.1 Insecure
     *   - 8.1.0 Insecure
     *   - 8.0.2
     *   - 8.0.1
     *   - 8.0.0
     * - drupal.sec.1.2_insecure.xml
     *   - 8.1.2 Security update
     *   - 8.1.1 Insecure
     *   - 8.1.0 Insecure
     *   - 8.0.2 Insecure
     *   - 8.0.1 Insecure
     *   - 8.0.0 Insecure
     * - drupal.sec.1.2_insecure-unsupported
     *   This file has the exact releases as drupal.sec.1.2_insecure.xml. It has a
     *   different value for 'supported_branches' that does not contain '8.0.'.
     *   It is used to ensure that the "Security update required!" is displayed
     *   even if the currently installed version is in an unsupported branch.
     * - drupal.sec.0.2-rc2-b.xml
     *   - 8.2.0-rc2
     *   - 8.2.0-rc1
     *   - 8.2.0-beta2
     *   - 8.2.0-beta1
     *   - 8.2.0-alpha2
     *   - 8.2.0-alpha1
     *   - 8.1.2 Security update
     *   - 8.1.1 Insecure
     *   - 8.1.0 Insecure
     *   - 8.0.2 Security update
     *   - 8.0.1 Insecure
     *   - 8.0.0 Insecure
     */
    public function securityUpdateAvailabilityProvider() {
        $test_cases = [
            // Security release available for site minor release 0.
            // No releases for next minor.
'0.0, 0.2' => [
                'site_patch_version' => '0.0',
                'expected_security_releases' => [
                    '0.2',
                ],
                'expected_update_message_type' => static::SECURITY_UPDATE_REQUIRED,
                'fixture' => 'sec.0.2',
            ],
            // Site on latest security release available for site minor release 0.
            // Minor release 1 also has a security release, and the current release
            // is marked as insecure.
'0.2, 0.2' => [
                'site_patch_version' => '0.2',
                'expected_security_release' => [
                    '1.2',
                    '2.0-rc2',
                ],
                'expected_update_message_type' => static::UPDATE_AVAILABLE,
                'fixture' => 'sec.0.2-rc2',
            ],
            // Two security releases available for site minor release 0.
            // 0.1 security release marked as insecure.
            // No releases for next minor.
'0.0, 0.1 0.2' => [
                'site_patch_version' => '0.0',
                'expected_security_releases' => [
                    '0.2',
                ],
                'expected_update_message_type' => static::SECURITY_UPDATE_REQUIRED,
                'fixture' => 'sec.0.1_0.2',
            ],
            // Security release available for site minor release 1.
            // No releases for next minor.
'1.0, 1.2' => [
                'site_patch_version' => '1.0',
                'expected_security_releases' => [
                    '1.2',
                ],
                'expected_update_message_type' => static::SECURITY_UPDATE_REQUIRED,
                'fixture' => 'sec.1.2',
            ],
            // Security release available for site minor release 0.
            // Security release also available for next minor.
'0.0, 0.2 1.2' => [
                'site_patch_version' => '0.0',
                'expected_security_releases' => [
                    '0.2',
                    '1.2',
                    '2.0-rc2',
                ],
                'expected_update_message_type' => static::SECURITY_UPDATE_REQUIRED,
                'fixture' => 'sec.0.2-rc2',
            ],
            // No newer security release for site minor 1.
            // Previous minor has security release.
'1.2, 0.2 1.2' => [
                'site_patch_version' => '1.2',
                'expected_security_releases' => [],
                'expected_update_message_type' => static::UPDATE_NONE,
                'fixture' => 'sec.0.2-rc2',
            ],
            // No security release available for site minor release 0.
            // Security release available for next minor.
'0.0, 1.2, insecure' => [
                'site_patch_version' => '0.0',
                'expected_security_releases' => [
                    '1.2',
                ],
                'expected_update_message_type' => static::SECURITY_UPDATE_REQUIRED,
                'fixture' => 'sec.1.2_insecure',
            ],
            // No security release available for site minor release 0.
            // Site minor is not a supported branch.
            // Security release available for next minor.
'0.0, 1.2, insecure-unsupported' => [
                'site_patch_version' => '0.0',
                'expected_security_releases' => [
                    '1.2',
                ],
                'expected_update_message_type' => static::SECURITY_UPDATE_REQUIRED,
                'fixture' => 'sec.1.2_insecure-unsupported',
            ],
            // All releases for minor 0 are secure.
            // Security release available for next minor.
'0.0, 1.2, secure' => [
                'site_patch_version' => '0.0',
                'expected_security_release' => [
                    '1.2',
                ],
                'expected_update_message_type' => static::UPDATE_AVAILABLE,
                'fixture' => 'sec.1.2',
            ],
            '0.2, 1.2, secure' => [
                'site_patch_version' => '0.2',
                'expected_security_release' => [
                    '1.2',
                ],
                'expected_update_message_type' => static::UPDATE_AVAILABLE,
                'fixture' => 'sec.1.2',
            ],
            // Site on 2.0-rc2 which is a security release.
'2.0-rc2, 0.2 1.2' => [
                'site_patch_version' => '2.0-rc2',
                'expected_security_releases' => [],
                'expected_update_message_type' => static::UPDATE_NONE,
                'fixture' => 'sec.0.2-rc2',
            ],
            // Ensure that 8.0.2 security release is not shown because it is earlier
            // version than 1.0.
'1.0, 0.2 1.2' => [
                'site_patch_version' => '1.0',
                'expected_security_releases' => [
                    '1.2',
                    '2.0-rc2',
                ],
                'expected_update_message_type' => static::SECURITY_UPDATE_REQUIRED,
                'fixture' => 'sec.0.2-rc2',
            ],
        ];
        $pre_releases = [
            '2.0-alpha1',
            '2.0-alpha2',
            '2.0-beta1',
            '2.0-beta2',
            '2.0-rc1',
            '2.0-rc2',
        ];
        foreach ($pre_releases as $pre_release) {
            // If the site is on an alpha/beta/RC of an upcoming minor and none of the
            // alpha/beta/RC versions are marked insecure, no security update should
            // be required.
            $test_cases["Pre-release:{$pre_release}, no security update"] = [
                'site_patch_version' => $pre_release,
                'expected_security_releases' => [],
                'expected_update_message_type' => $pre_release === '2.0-rc2' ? static::UPDATE_NONE : static::UPDATE_AVAILABLE,
                'fixture' => 'sec.0.2-rc2-b',
            ];
            // If the site is on an alpha/beta/RC of an upcoming minor and there is
            // an RC version with a security update, it should be recommended.
            $test_cases["Pre-release:{$pre_release}, security update"] = [
                'site_patch_version' => $pre_release,
                'expected_security_releases' => $pre_release === '2.0-rc2' ? [] : [
                    '2.0-rc2',
                ],
                'expected_update_message_type' => $pre_release === '2.0-rc2' ? static::UPDATE_NONE : static::SECURITY_UPDATE_REQUIRED,
                'fixture' => 'sec.0.2-rc2',
            ];
        }
        return $test_cases;
    }
    
    /**
     * Tests the security coverage messages for Drupal core versions.
     *
     * @param string $installed_version
     *   The installed Drupal version to test.
     * @param string $fixture
     *   The test fixture that contains the test XML.
     * @param string $requirements_section_heading
     *   The requirements section heading.
     * @param string $message
     *   The expected coverage message.
     * @param string $mock_date
     *   The mock date to use if needed in the format CCYY-MM-DD. If an empty
     *   string is provided, no mock date will be used.
     *
     * @dataProvider securityCoverageMessageProvider
     */
    public function testSecurityCoverageMessage($installed_version, $fixture, $requirements_section_heading, $message, $mock_date) {
        \Drupal::state()->set('update_test.mock_date', $mock_date);
        $this->setSystemInfo($installed_version);
        $this->refreshUpdateStatus([
            'drupal' => $fixture,
        ]);
        $this->drupalGet('admin/reports/status');
        if (empty($requirements_section_heading)) {
            $this->assertSession()
                ->pageTextNotContains('Drupal core security coverage');
            return;
        }
        $all_requirements_details = $this->getSession()
            ->getPage()
            ->findAll('css', 'details.system-status-report__entry:contains("Drupal core security coverage")');
        // Ensure we only have 1 security message section.
        $this->assertCount(1, $all_requirements_details);
        $requirements_details = $all_requirements_details[0];
        // Ensure that messages are under the correct heading which could be
        // 'Checked', 'Warnings found', or 'Errors found'.
        $requirements_section_element = $requirements_details->getParent();
        $this->assertCount(1, $requirements_section_element->findAll('css', "h3:contains('{$requirements_section_heading}')"));
        $actual_message = $requirements_details->find('css', 'div.system-status-report__entry__value')
            ->getText();
        $this->assertNotEmpty($actual_message);
        $this->assertEquals($message, $actual_message);
    }
    
    /**
     * Dataprovider for testSecurityCoverageMessage().
     *
     * These test cases rely on the following fixtures containing the following
     * releases:
     * - drupal.sec.2.0_3.0-rc1.xml
     *   - 8.2.0
     *   - 8.3.0-rc1
     * - drupal.sec.2.0.xml
     *   - 8.2.0
     * - drupal.sec.2.0_9.0.0.xml
     *   - 8.2.0
     *   - 9.0.0
     * - drupal.sec.9.0.xml
     *   - 8.9.0
     * - drupal.sec.9.9.0.xml
     *   - 9.9.0
     */
    public function securityCoverageMessageProvider() {
        $release_coverage_message = 'Visit the release cycle overview for more information on supported releases.';
        $coverage_ended_message = 'Coverage has ended';
        $update_asap_message = 'Update to a supported minor as soon as possible to continue receiving security updates.';
        $update_soon_message = 'Update to a supported minor version soon to continue receiving security updates.';
        $test_cases = [
            '8.0.0, unsupported' => [
                'installed_version' => '8.0.0',
                'fixture' => 'sec.2.0_3.0-rc1',
                'requirements_section_heading' => 'Errors found',
                'message' => "{$coverage_ended_message} {$update_asap_message} {$release_coverage_message}",
                'mock_date' => '',
            ],
            '8.1.0, supported with 3rc' => [
                'installed_version' => '8.1.0',
                'fixture' => 'sec.2.0_3.0-rc1',
                'requirements_section_heading' => 'Warnings found',
                'message' => "Covered until 8.3.0 Update to 8.2 or higher soon to continue receiving security updates. {$release_coverage_message}",
                'mock_date' => '',
            ],
            '8.1.0, supported' => [
                'installed_version' => '8.1.0',
                'fixture' => 'sec.2.0',
                'requirements_section_heading' => 'Warnings found',
                'message' => "Covered until 8.3.0 Update to 8.2 or higher soon to continue receiving security updates. {$release_coverage_message}",
                'mock_date' => '',
            ],
            '8.2.0, supported with 3rc' => [
                'installed_version' => '8.2.0',
                'fixture' => 'sec.2.0_3.0-rc1',
                'requirements_section_heading' => 'Checked',
                'message' => "Covered until 8.4.0 {$release_coverage_message}",
                'mock_date' => '',
            ],
            '8.2.0, supported' => [
                'installed_version' => '8.2.0',
                'fixture' => 'sec.2.0',
                'requirements_section_heading' => 'Checked',
                'message' => "Covered until 8.4.0 {$release_coverage_message}",
                'mock_date' => '',
            ],
            // Ensure we don't show messages for pre-release or dev versions.
'8.2.0-beta2, no message' => [
                'installed_version' => '8.2.0-beta2',
                'fixture' => 'sec.2.0_3.0-rc1',
                'requirements_section_heading' => '',
                'message' => '',
                'mock_date' => '',
            ],
            '8.1.0-dev, no message' => [
                'installed_version' => '8.1.0-dev',
                'fixture' => 'sec.2.0_3.0-rc1',
                'requirements_section_heading' => '',
                'message' => '',
                'mock_date' => '',
            ],
            // Ensures the message is correct if the next major version has been
            // released and the additional minors indicated by
            // CORE_MINORS_WITH_SECURITY_COVERAGE minors have been released.
'8.0.0, 9 unsupported' => [
                'installed_version' => '8.0.0',
                'fixture' => 'sec.2.0_9.0.0',
                'requirements_section_heading' => 'Errors found',
                'message' => "{$coverage_ended_message} {$update_asap_message} {$release_coverage_message}",
                'mock_date' => '',
            ],
            // Ensures the message is correct if the next major version has been
            // released and the additional minors indicated by
            // CORE_MINORS_WITH_SECURITY_COVERAGE minors have not been released.
'8.2.0, 9 warning' => [
                'installed_version' => '8.2.0',
                'fixture' => 'sec.2.0_9.0.0',
                'requirements_section_heading' => 'Warnings found',
                'message' => "Covered until 8.4.0 Update to 8.3 or higher soon to continue receiving security updates. {$release_coverage_message}",
                'mock_date' => '',
            ],
        ];
        // Drupal 8.8.x test cases.
        $test_cases += [
            // Ensure that a message is displayed during 8.8's active support.
'8.8.0, supported' => [
                'installed_version' => '8.8.0',
                'fixture' => 'sec.9.0',
                'requirements_section_heading' => 'Checked',
                'message' => "Covered until 2020-Dec-02 {$release_coverage_message}",
                'mock_date' => '2020-06-01',
            ],
            // Ensure a warning is displayed if less than six months remain until the
            // end of 8.8's security coverage.
'8.8.0, supported, 6 months warn' => [
                'installed_version' => '8.8.0',
                'fixture' => 'sec.9.0',
                'requirements_section_heading' => 'Warnings found',
                'message' => "Covered until 2020-Dec-02 {$update_soon_message} {$release_coverage_message}",
                'mock_date' => '2020-06-02',
            ],
        ];
        // Ensure that the message does not change, including on the last day of
        // security coverage.
        $test_cases['8.8.0, supported, last day warn'] = $test_cases['8.8.0, supported, 6 months warn'];
        $test_cases['8.8.0, supported, last day warn']['mock_date'] = '2020-12-01';
        // Ensure that if the 8.8 support window is finished a message is
        // displayed.
        $test_cases['8.8.0, support over'] = [
            'installed_version' => '8.8.0',
            'fixture' => 'sec.9.0',
            'requirements_section_heading' => 'Errors found',
            'message' => "{$coverage_ended_message} {$update_asap_message} {$release_coverage_message}",
            'mock_date' => '2020-12-02',
        ];
        // Drupal 8.9 LTS test cases.
        $test_cases['8.9.0, lts supported'] = [
            'installed_version' => '8.9.0',
            'fixture' => 'sec.9.0',
            'requirements_section_heading' => 'Checked',
            'message' => "Covered until 2021-Nov {$release_coverage_message}",
            'mock_date' => '2021-01-01',
        ];
        // Ensure that the message does not change, including on the last day of
        // security coverage.
        $test_cases['8.9.0, lts supported, last day'] = $test_cases['8.9.0, lts supported'];
        $test_cases['8.9.0, lts supported, last day']['mock_date'] = '2021-10-31';
        // Ensure that if LTS support window is finished a message is displayed.
        $test_cases['8.9.0, lts support over'] = [
            'installed_version' => '8.9.0',
            'fixture' => 'sec.9.0',
            'requirements_section_heading' => 'Errors found',
            'message' => "{$coverage_ended_message} {$update_asap_message} {$release_coverage_message}",
            'mock_date' => '2021-11-01',
        ];
        // Drupal 9 test cases.
        $test_cases += [
            // Ensure the end dates for 8.8 and 8.9 only apply to major version 8.
'9.9.0' => [
                'installed_version' => '9.9.0',
                'fixture' => 'sec.9.9.0',
                'requirements_section_heading' => 'Checked',
                'message' => "Covered until 9.11.0 {$release_coverage_message}",
                'mock_date' => '',
            ],
            '9.8.0' => [
                'installed_version' => '9.8.0',
                'fixture' => 'sec.9.9.0',
                'requirements_section_heading' => 'Warnings found',
                'message' => "Covered until 9.10.0 Update to 9.9 or higher soon to continue receiving security updates. {$release_coverage_message}",
                'mock_date' => '',
            ],
        ];
        return $test_cases;
    }
    
    /**
     * Ensures proper results where there are date mismatches among modules.
     */
    public function testDatestampMismatch() {
        $system_info = [
            '#all' => [
                // We need to think we're running a -dev snapshot to see dates.
'version' => '8.1.0-dev',
                'datestamp' => time(),
            ],
            'block' => [
                // This is 2001-09-09 01:46:40 GMT, so test for "2001-Sep-".
'datestamp' => '1000000000',
            ],
        ];
        $this->config('update_test.settings')
            ->set('system_info', $system_info)
            ->save();
        $this->refreshUpdateStatus([
            'drupal' => 'dev',
        ]);
        $this->assertNoText(t('2001-Sep-'));
        $this->assertText(t('Up to date'));
        $this->assertNoText(t('Update available'));
        $this->assertNoText(t('Security update required!'));
    }
    
    /**
     * Checks that running cron updates the list of available updates.
     */
    public function testModulePageRunCron() {
        $this->setSystemInfo('8.0.0');
        $this->config('update.settings')
            ->set('fetch.url', Url::fromRoute('update_test.update_test')->setAbsolute()
            ->toString())
            ->save();
        $this->config('update_test.settings')
            ->set('xml_map', [
            'drupal' => '0.0',
        ])
            ->save();
        $this->cronRun();
        $this->drupalGet('admin/modules');
        $this->assertNoText(t('No update information available.'));
    }
    
    /**
     * Checks that clearing the disk cache works.
     */
    public function testClearDiskCache() {
        $directories = [
            _update_manager_cache_directory(FALSE),
            _update_manager_extract_directory(FALSE),
        ];
        // Check that update directories does not exists.
        foreach ($directories as $directory) {
            $this->assertDirectoryNotExists($directory);
        }
        // Method must not fail if update directories do not exists.
        update_clear_update_disk_cache();
    }
    
    /**
     * Checks the messages at admin/modules when the site is up to date.
     */
    public function testModulePageUpToDate() {
        $this->setSystemInfo('8.0.0');
        // Instead of using refreshUpdateStatus(), set these manually.
        $this->config('update.settings')
            ->set('fetch.url', Url::fromRoute('update_test.update_test')->setAbsolute()
            ->toString())
            ->save();
        $this->config('update_test.settings')
            ->set('xml_map', [
            'drupal' => '0.0',
        ])
            ->save();
        $this->drupalGet('admin/reports/updates');
        $this->clickLink(t('Check manually'));
        $this->checkForMetaRefresh();
        $this->assertText(t('Checked available update data for one project.'));
        $this->drupalGet('admin/modules');
        $this->assertNoText(t('There are updates available for your version of Drupal.'));
        $this->assertNoText(t('There is a security update available for your version of Drupal.'));
    }
    
    /**
     * Checks the messages at admin/modules when an update is missing.
     */
    public function testModulePageRegularUpdate() {
        $this->setSystemInfo('8.0.0');
        // Instead of using refreshUpdateStatus(), set these manually.
        $this->config('update.settings')
            ->set('fetch.url', Url::fromRoute('update_test.update_test')->setAbsolute()
            ->toString())
            ->save();
        $this->config('update_test.settings')
            ->set('xml_map', [
            'drupal' => '0.1',
        ])
            ->save();
        $this->drupalGet('admin/reports/updates');
        $this->clickLink(t('Check manually'));
        $this->checkForMetaRefresh();
        $this->assertText(t('Checked available update data for one project.'));
        $this->drupalGet('admin/modules');
        $this->assertText(t('There are updates available for your version of Drupal.'));
        $this->assertNoText(t('There is a security update available for your version of Drupal.'));
    }
    
    /**
     * Checks the messages at admin/modules when a security update is missing.
     */
    public function testModulePageSecurityUpdate() {
        $this->setSystemInfo('8.0.0');
        // Instead of using refreshUpdateStatus(), set these manually.
        $this->config('update.settings')
            ->set('fetch.url', Url::fromRoute('update_test.update_test')->setAbsolute()
            ->toString())
            ->save();
        $this->config('update_test.settings')
            ->set('xml_map', [
            'drupal' => 'sec.0.2',
        ])
            ->save();
        $this->drupalGet('admin/reports/updates');
        $this->clickLink(t('Check manually'));
        $this->checkForMetaRefresh();
        $this->assertText(t('Checked available update data for one project.'));
        $this->drupalGet('admin/modules');
        $this->assertNoText(t('There are updates available for your version of Drupal.'));
        $this->assertText(t('There is a security update available for your version of Drupal.'));
        // Make sure admin/appearance warns you you're missing a security update.
        $this->drupalGet('admin/appearance');
        $this->assertNoText(t('There are updates available for your version of Drupal.'));
        $this->assertText(t('There is a security update available for your version of Drupal.'));
        // Make sure duplicate messages don't appear on Update status pages.
        $this->drupalGet('admin/reports/status');
        // We're expecting "There is a security update..." inside the status report
        // itself, but the message from
        // \Drupal\Core\Messenger\MessengerInterface::addStatus() appears as an li
        // so we can prefix with that and search for the raw HTML.
        $this->assertNoRaw('<li>' . t('There is a security update available for your version of Drupal.'));
        $this->drupalGet('admin/reports/updates');
        $this->assertNoText(t('There is a security update available for your version of Drupal.'));
        $this->drupalGet('admin/reports/updates/settings');
        $this->assertNoText(t('There is a security update available for your version of Drupal.'));
    }
    
    /**
     * Tests the Update Manager module when the update server returns 503 errors.
     */
    public function testServiceUnavailable() {
        $this->refreshUpdateStatus([], '503-error');
        // Ensure that no "Warning: SimpleXMLElement..." parse errors are found.
        $this->assertNoText('SimpleXMLElement');
        $this->assertUniqueText(t('Failed to get available update data for one project.'));
    }
    
    /**
     * Tests that exactly one fetch task per project is created and not more.
     */
    public function testFetchTasks() {
        $projecta = [
            'name' => 'aaa_update_test',
        ];
        $projectb = [
            'name' => 'bbb_update_test',
        ];
        $queue = \Drupal::queue('update_fetch_tasks');
        $this->assertEqual($queue->numberOfItems(), 0, 'Queue is empty');
        update_create_fetch_task($projecta);
        $this->assertEqual($queue->numberOfItems(), 1, 'Queue contains one item');
        update_create_fetch_task($projectb);
        $this->assertEqual($queue->numberOfItems(), 2, 'Queue contains two items');
        // Try to add project a again.
        update_create_fetch_task($projecta);
        $this->assertEqual($queue->numberOfItems(), 2, 'Queue still contains two items');
        // Clear storage and try again.
        update_storage_clear();
        update_create_fetch_task($projecta);
        $this->assertEqual($queue->numberOfItems(), 2, 'Queue contains two items');
    }
    
    /**
     * Checks language module in core package at admin/reports/updates.
     */
    public function testLanguageModuleUpdate() {
        $this->setSystemInfo('8.0.0');
        // Instead of using refreshUpdateStatus(), set these manually.
        $this->config('update.settings')
            ->set('fetch.url', Url::fromRoute('update_test.update_test')->setAbsolute()
            ->toString())
            ->save();
        $this->config('update_test.settings')
            ->set('xml_map', [
            'drupal' => '0.1',
        ])
            ->save();
        $this->drupalGet('admin/reports/updates');
        $this->assertText(t('Language'));
    }
    
    /**
     * Ensures that the local actions appear.
     */
    public function testLocalActions() {
        $admin_user = $this->drupalCreateUser([
            'administer site configuration',
            'administer modules',
            'administer software updates',
            'administer themes',
        ]);
        $this->drupalLogin($admin_user);
        $this->drupalGet('admin/modules');
        $this->clickLink(t('Install new module'));
        $this->assertUrl('admin/modules/install');
        $this->drupalGet('admin/appearance');
        $this->clickLink(t('Install new theme'));
        $this->assertUrl('admin/theme/install');
        $this->drupalGet('admin/reports/updates');
        $this->clickLink(t('Install new module or theme'));
        $this->assertUrl('admin/reports/updates/install');
    }
    
    /**
     * 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:
     * - drupal.1.0.xml
     *    'supported_branches' is '8.0.,8.1.'.
     * - drupal.1.0-unsupported.xml
     *    'supported_branches' is '8.1.'.
     * They both have an '8.0.2' release that is unpublished and an '8.1.0'
     * release that is published and is the expected update.
     */
    public function testRevokedRelease() {
        foreach ([
            '1.0',
            '1.0-unsupported',
        ] as $fixture) {
            $this->setSystemInfo('8.0.2');
            $this->refreshUpdateStatus([
                $this->updateProject => $fixture,
            ]);
            $this->standardTests();
            $this->confirmRevokedStatus('8.0.2', '8.1.0', 'Recommended version:');
        }
    }
    
    /**
     * Checks that Drupal recovers after problems connecting to update server.
     */
    public function testBrokenThenFixedUpdates() {
        $this->drupalLogin($this->drupalCreateUser([
            'administer site configuration',
            'access administration pages',
        ]));
        $this->setSystemInfo('8.0.0');
        // Instead of using refreshUpdateStatus(), set these manually.
        $this->config('update.settings')
            ->set('fetch.url', Url::fromRoute('update_test.update_test')->setAbsolute()
            ->toString())
            ->save();
        // Use update XML that has no information to simulate a broken response from
        // the update server.
        $this->config('update_test.settings')
            ->set('xml_map', [
            'drupal' => 'broken',
        ])
            ->save();
        // This will retrieve broken updates.
        $this->cronRun();
        $this->drupalGet('admin/reports/status');
        $this->assertSession()
            ->statusCodeEquals(200);
        $this->assertSession()
            ->pageTextContains('There was a problem checking available updates for Drupal.');
        $this->config('update_test.settings')
            ->set('xml_map', [
            'drupal' => 'sec.0.2',
        ])
            ->save();
        // Simulate the update_available_releases state expiring before cron is run
        // and the state is used by \Drupal\update\UpdateManager::getProjects().
        \Drupal::keyValueExpirable('update_available_releases')->deleteAll();
        // This cron run should retrieve fixed updates.
        $this->cronRun();
        $this->drupalGet('admin/structure');
        $this->assertSession()
            ->statusCodeEquals(200);
        $this->assertSession()
            ->pageTextContains('There is a security update available for your version of Drupal.');
    }
    
    /**
     * 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:
     * - drupal.1.0.xml
     *    'supported_branches' is '8.0.,8.1.'.
     * - drupal.1.0-unsupported.xml
     *    'supported_branches' is '8.1.'.
     * They both have an '8.0.3' release that has the 'Release type' value of
     * 'unsupported' and an '8.1.0' release that has the 'Release type' value of
     * 'supported' and is the expected update.
     */
    public function testUnsupportedRelease() {
        foreach ([
            '1.0',
            '1.0-unsupported',
        ] as $fixture) {
            $this->setSystemInfo('8.0.3');
            $this->refreshUpdateStatus([
                $this->updateProject => $fixture,
            ]);
            $this->standardTests();
            $this->confirmUnsupportedStatus('8.0.3', '8.1.0', 'Recommended version:');
        }
    }
    
    /**
     * {@inheritdoc}
     */
    protected function assertVersionUpdateLinks($label, $version, $download_version = NULL) {
        // Test XML files for Drupal core use '-' in the version number for the
        // download link.
        $download_version = str_replace('.', '-', $version);
        parent::assertVersionUpdateLinks($label, $version, $download_version);
    }

}