class InfoParserUnitTest

class InfoParserUnitTest extends UnitTestCase {
    
    /**
     * The InfoParser object.
     *
     * @var \Drupal\Core\Extension\InfoParser
     */
    protected $infoParser;
    
    /**
     * {@inheritdoc}
     */
    protected function setUp() : void {
        parent::setUp();
        // Use a fake DRUPAL_ROOT.
        $this->infoParser = new InfoParser('vfs:/');
    }
    
    /**
     * Tests the functionality of the infoParser object.
     *
     * @covers ::parse
     */
    public function testInfoParserNonExisting() {
        vfsStream::setup('modules');
        $info = $this->infoParser
            ->parse(vfsStream::url('modules') . '/does_not_exist.info.txt');
        $this->assertEmpty($info, 'Non existing info.yml returns empty array.');
    }
    
    /**
     * Tests if correct exception is thrown for a broken info file.
     *
     * @covers ::parse
     */
    public function testInfoParserBroken() {
        $broken_info = <<<BROKEN_INFO
# info.yml for testing broken YAML parsing exception handling.
name: File
type: module
description: 'Defines a file field type.'
package: Core
version: VERSION
core: 8.x
dependencies::;;
  - field
BROKEN_INFO;
        vfsStream::setup('modules');
        vfsStream::create([
            'fixtures' => [
                'broken.info.txt' => $broken_info,
            ],
        ]);
        $filename = vfsStream::url('modules/fixtures/broken.info.txt');
        $this->expectException('\\Drupal\\Core\\Extension\\InfoParserException');
        $this->expectExceptionMessage('broken.info.txt');
        $this->infoParser
            ->parse($filename);
    }
    
    /**
     * Tests that missing required keys are detected.
     *
     * @covers ::parse
     */
    public function testInfoParserMissingKeys() {
        $missing_keys = <<<MISSINGKEYS
# info.yml for testing missing name, description, and type keys.
package: Core
version: VERSION
dependencies:
  - field
MISSINGKEYS;
        vfsStream::setup('modules');
        vfsStream::create([
            'fixtures' => [
                'missing_keys.info.txt' => $missing_keys,
            ],
        ]);
        $filename = vfsStream::url('modules/fixtures/missing_keys.info.txt');
        $this->expectException('\\Drupal\\Core\\Extension\\InfoParserException');
        $this->expectExceptionMessage('Missing required keys (type, name) in vfs://modules/fixtures/missing_keys.info.txt');
        $this->infoParser
            ->parse($filename);
    }
    
    /**
     * Tests that missing 'core' and 'core_version_requirement' keys are detected.
     *
     * @covers ::parse
     */
    public function testMissingCoreCoreVersionRequirement() {
        $missing_core_and_core_version_requirement = <<<MISSING_CORE_AND_CORE_VERSION_REQUIREMENT
# info.yml for testing core and core_version_requirement.
version: VERSION
type: module
name: Skynet
dependencies:
  - self_awareness
MISSING_CORE_AND_CORE_VERSION_REQUIREMENT;
        vfsStream::setup('modules');
        vfsStream::create([
            'fixtures' => [
                'missing_core_and_core_version_requirement.info.txt' => $missing_core_and_core_version_requirement,
                'missing_core_and_core_version_requirement-duplicate.info.txt' => $missing_core_and_core_version_requirement,
            ],
        ]);
        $exception_message = "The 'core_version_requirement' key must be present in vfs://modules/fixtures/missing_core_and_core_version_requirement";
        // Set the expected exception for the 2nd call to parse().
        $this->expectException('\\Drupal\\Core\\Extension\\InfoParserException');
        $this->expectExceptionMessage("{$exception_message}-duplicate.info.txt");
        try {
            $this->infoParser
                ->parse(vfsStream::url('modules/fixtures/missing_core_and_core_version_requirement.info.txt'));
        } catch (InfoParserException $exception) {
            $this->assertSame("{$exception_message}.info.txt", $exception->getMessage());
            $this->infoParser
                ->parse(vfsStream::url('modules/fixtures/missing_core_and_core_version_requirement-duplicate.info.txt'));
        }
    }
    
    /**
     * Tests that Testing package modules use a default core_version_requirement.
     *
     * @covers ::parse
     */
    public function testTestingPackageMissingCoreCoreVersionRequirement() {
        $missing_core_and_core_version_requirement = <<<MISSING_CORE_AND_CORE_VERSION_REQUIREMENT
# info.yml for testing core and core_version_requirement.
package: Testing
version: VERSION
type: module
name: Skynet
MISSING_CORE_AND_CORE_VERSION_REQUIREMENT;
        vfsStream::setup('modules');
        vfsStream::create([
            'fixtures' => [
                'missing_core_and_core_version_requirement.info.txt' => $missing_core_and_core_version_requirement,
            ],
        ]);
        $info_values = $this->infoParser
            ->parse(vfsStream::url('modules/fixtures/missing_core_and_core_version_requirement.info.txt'));
        $this->assertSame($info_values['core_version_requirement'], \Drupal::VERSION);
    }
    
    /**
     * Tests that 'core_version_requirement: ^8.8' is valid with no 'core' key.
     *
     * @covers ::parse
     */
    public function testCoreVersionRequirement88() {
        $core_version_requirement = <<<BOTH_CORE_VERSION_REQUIREMENT
# info.yml for testing core and core_version_requirement keys.
package: Core
core_version_requirement: ^8.8
version: VERSION
type: module
name: Module for That
dependencies:
  - field
BOTH_CORE_VERSION_REQUIREMENT;
        vfsStream::setup('modules');
        foreach ([
            '1',
            '2',
        ] as $file_delta) {
            $filename = "core_version_requirement-{$file_delta}.info.txt";
            vfsStream::create([
                'fixtures' => [
                    $filename => $core_version_requirement,
                ],
            ]);
            $info_values = $this->infoParser
                ->parse(vfsStream::url("modules/fixtures/{$filename}"));
            $this->assertSame($info_values['core_version_requirement'], '^8.8', "Expected core_version_requirement for file: {$filename}");
        }
    }
    
    /**
     * Tests that 'core_version_requirement: ^8.8' is invalid with a 'core' key.
     *
     * @covers ::parse
     */
    public function testCoreCoreVersionRequirement88() {
        $core_and_core_version_requirement_88 = <<<BOTH_CORE_CORE_VERSION_REQUIREMENT_88
# info.yml for testing core and core_version_requirement keys.
package: Core
core: 8.x
core_version_requirement: ^8.8
version: VERSION
type: module
name: Form auto submitter
dependencies:
  - field
BOTH_CORE_CORE_VERSION_REQUIREMENT_88;
        vfsStream::setup('modules');
        vfsStream::create([
            'fixtures' => [
                'core_and_core_version_requirement_88.info.txt' => $core_and_core_version_requirement_88,
                'core_and_core_version_requirement_88-duplicate.info.txt' => $core_and_core_version_requirement_88,
            ],
        ]);
        $exception_message = "The 'core_version_requirement' constraint (^8.8) requires the 'core' key not be set in vfs://modules/fixtures/core_and_core_version_requirement_88";
        // Set the expected exception for the 2nd call to parse().
        $this->expectException('\\Drupal\\Core\\Extension\\InfoParserException');
        $this->expectExceptionMessage("{$exception_message}-duplicate.info.txt");
        try {
            $this->infoParser
                ->parse(vfsStream::url('modules/fixtures/core_and_core_version_requirement_88.info.txt'));
        } catch (InfoParserException $exception) {
            $this->assertSame("{$exception_message}.info.txt", $exception->getMessage());
            $this->infoParser
                ->parse(vfsStream::url('modules/fixtures/core_and_core_version_requirement_88-duplicate.info.txt'));
        }
    }
    
    /**
     * Tests a invalid 'core' key.
     *
     * @covers ::parse
     *
     * @dataProvider providerInvalidCore
     */
    public function testInvalidCore($core, $filename) {
        $invalid_core = <<<INVALID_CORE
# info.yml for testing invalid core key.
package: Core
core: {<span class="php-variable">$core</span>}
core_version_requirement: ^8 || ^9
version: VERSION
type: module
name: Llama or Alpaca
description: Tells whether an image is of a Llama or Alpaca
dependencies:
  - llama_detector
  - alpaca_detector
INVALID_CORE;
        vfsStream::setup('modules');
        vfsStream::create([
            'fixtures' => [
                "invalid_core-{$filename}.info.txt" => $invalid_core,
                "invalid_core-{$filename}-duplicate.info.txt" => $invalid_core,
            ],
        ]);
        $exception_message = "'core: {$core}' is not supported. Use 'core_version_requirement' to specify core compatibility. Only 'core: 8.x' is supported to provide backwards compatibility for Drupal 8 when needed in vfs://modules/fixtures/invalid_core-{$filename}";
        // Set the expected exception for the 2nd call to parse().
        $this->expectException('\\Drupal\\Core\\Extension\\InfoParserException');
        $this->expectExceptionMessage("{$exception_message}-duplicate.info.txt");
        try {
            $this->infoParser
                ->parse(vfsStream::url("modules/fixtures/invalid_core-{$filename}.info.txt"));
        } catch (InfoParserException $exception) {
            $this->assertSame("{$exception_message}.info.txt", $exception->getMessage());
            $this->infoParser
                ->parse(vfsStream::url("modules/fixtures/invalid_core-{$filename}-duplicate.info.txt"));
        }
    }
    public function providerInvalidCore() {
        return [
            '^8' => [
                '^8',
                'caret8',
            ],
            '^9' => [
                '^9',
                'caret9',
            ],
            '7.x' => [
                '7.x',
                '7.x',
            ],
            '9.x' => [
                '9.x',
                '9.x',
            ],
            '10.x' => [
                '10.x',
                '10.x',
            ],
        ];
    }
    
    /**
     * Tests a 'core: 8.x' with different values for 'core_version_requirement'.
     *
     * @covers ::parse
     *
     * @dataProvider providerCore8x
     */
    public function testCore8x($core_version_requirement, $filename) {
        $core_8x = <<<CORE_8X
package: Tests
core: 8.x
core_version_requirement: '{<span class="php-variable">$core_version_requirement</span>}'
version: VERSION
type: module
name: Yet another test module
description: Sorry, I am running out of witty descriptions
CORE_8X;
        vfsStream::setup('modules');
        vfsStream::create([
            'fixtures' => [
                "core_8x-{$filename}.info.txt" => $core_8x,
                "core_8x-{$filename}-duplicate.info.txt" => $core_8x,
            ],
        ]);
        $parsed = $this->infoParser
            ->parse(vfsStream::url("modules/fixtures/core_8x-{$filename}.info.txt"));
        $this->assertSame($core_version_requirement, $parsed['core_version_requirement']);
        $this->infoParser
            ->parse(vfsStream::url("modules/fixtures/core_8x-{$filename}-duplicate.info.txt"));
        $this->assertSame($core_version_requirement, $parsed['core_version_requirement']);
    }
    
    /**
     * Data provider for testCore8x().
     */
    public function providerCore8x() {
        return [
            '^8 || ^9' => [
                '^8 || ^9',
                'all-8-9',
            ],
            '*' => [
                '*',
                'asterisk',
            ],
            '>=8' => [
                ">=8",
                'gte8',
            ],
        ];
    }
    
    /**
     * Tests setting the 'core' key without the 'core_version_requirement' key.
     *
     * @covers ::parse
     *
     * @dataProvider providerCoreWithoutCoreVersionRequirement
     */
    public function testCoreWithoutCoreVersionRequirement($core) {
        $core_without_core_version_requirement = <<<CORE_WITHOUT_CORE_VERSION_REQUIREMENT
package: Dogs
core: {<span class="php-variable">$core</span>}
version: VERSION
type: module
name: Gracie Daily Picture
description: Shows a random picture of Gracie the Dog everyday.
CORE_WITHOUT_CORE_VERSION_REQUIREMENT;
        vfsStream::setup('modules');
        vfsStream::create([
            'fixtures' => [
                "core_without_core_version_requirement-{$core}.info.txt" => $core_without_core_version_requirement,
                "core_without_core_version_requirement-{$core}-duplicate.info.txt" => $core_without_core_version_requirement,
            ],
        ]);
        $exception_message = "'core: {$core}' is not supported. Use 'core_version_requirement' to specify core compatibility. Only 'core: 8.x' is supported to provide backwards compatibility for Drupal 8 when needed in vfs://modules/fixtures/core_without_core_version_requirement-{$core}";
        // Set the expected exception for the 2nd call to parse().
        $this->expectException('\\Drupal\\Core\\Extension\\InfoParserException');
        $this->expectExceptionMessage("{$exception_message}-duplicate.info.txt");
        try {
            $this->infoParser
                ->parse(vfsStream::url("modules/fixtures/core_without_core_version_requirement-{$core}.info.txt"));
        } catch (InfoParserException $exception) {
            $this->assertSame("{$exception_message}.info.txt", $exception->getMessage());
            $this->infoParser
                ->parse(vfsStream::url("modules/fixtures/core_without_core_version_requirement-{$core}-duplicate.info.txt"));
        }
    }
    
    /**
     * DataProvider for testCoreWithoutCoreVersionRequirement().
     */
    public function providerCoreWithoutCoreVersionRequirement() {
        return [
            '7.x' => [
                '7.x',
            ],
            '9.x' => [
                '9.x',
            ],
            '10.x' => [
                '10.x',
            ],
        ];
    }
    
    /**
     * Tests a invalid 'core_version_requirement'.
     *
     * @covers ::parse
     *
     * @dataProvider providerCoreVersionRequirementInvalid
     */
    public function testCoreVersionRequirementInvalid($test_case, $constraint) {
        $invalid_core_version_requirement = <<<INVALID_CORE_VERSION_REQUIREMENT
# info.yml for core_version_requirement validation.
name: Gracie Evaluator
description: 'Determines if Gracie is a "Good Dog". The answer is always "Yes".'
package: Core
type: module
version: VERSION
core_version_requirement: '{<span class="php-variable">$constraint</span>}'
dependencies:
  - goodness_api
INVALID_CORE_VERSION_REQUIREMENT;
        vfsStream::setup('modules');
        vfsStream::create([
            'fixtures' => [
                "invalid_core_version_requirement-{$test_case}.info.txt" => $invalid_core_version_requirement,
                "invalid_core_version_requirement-{$test_case}-duplicate.info.txt" => $invalid_core_version_requirement,
            ],
        ]);
        $exception_message = "The 'core_version_requirement' can not be used to specify compatibility for a specific version before 8.7.7 in vfs://modules/fixtures/invalid_core_version_requirement-{$test_case}";
        // Set the expected exception for the 2nd call to parse().
        $this->expectException('\\Drupal\\Core\\Extension\\InfoParserException');
        $this->expectExceptionMessage("{$exception_message}-duplicate.info.txt");
        try {
            $this->infoParser
                ->parse(vfsStream::url("modules/fixtures/invalid_core_version_requirement-{$test_case}.info.txt"));
        } catch (InfoParserException $exception) {
            $this->assertSame("{$exception_message}.info.txt", $exception->getMessage());
            $this->infoParser
                ->parse(vfsStream::url("modules/fixtures/invalid_core_version_requirement-{$test_case}-duplicate.info.txt"));
        }
    }
    
    /**
     * Data provider for testCoreVersionRequirementInvalid().
     */
    public function providerCoreVersionRequirementInvalid() {
        return [
            '8.0.0-alpha2' => [
                'alpha2',
                '8.0.0-alpha2',
            ],
            '8.6.0-rc1' => [
                'rc1',
                '8.6.0-rc1',
            ],
            '^8.7' => [
                '8_7',
                '^8.7',
            ],
            '>8.6.3' => [
                'gt8_6_3',
                '>8.6.3',
            ],
        ];
    }
    
    /**
     * Tests that missing required key is detected.
     *
     * @covers ::parse
     */
    public function testInfoParserMissingKey() {
        $missing_key = <<<MISSINGKEY
# info.yml for testing missing type key.
name: File
description: 'Defines a file field type.'
package: Core
version: VERSION
core: 8.x
dependencies:
  - field
MISSINGKEY;
        vfsStream::setup('modules');
        vfsStream::create([
            'fixtures' => [
                'missing_key.info.txt' => $missing_key,
                'missing_key-duplicate.info.txt' => $missing_key,
            ],
        ]);
        // Set the expected exception for the 2nd call to parse().
        $this->expectException(InfoParserException::class);
        $this->expectExceptionMessage('Missing required keys (type) in vfs://modules/fixtures/missing_key-duplicate.info.txt');
        try {
            $this->infoParser
                ->parse(vfsStream::url('modules/fixtures/missing_key.info.txt'));
        } catch (InfoParserException $exception) {
            $this->assertSame('Missing required keys (type) in vfs://modules/fixtures/missing_key.info.txt', $exception->getMessage());
            $this->infoParser
                ->parse(vfsStream::url('modules/fixtures/missing_key-duplicate.info.txt'));
        }
    }
    
    /**
     * Tests common info file.
     *
     * @covers ::parse
     */
    public function testInfoParserCommonInfo() {
        $common = <<<COMMONTEST
core_version_requirement: '*'
name: common_test
type: module
description: 'testing info file parsing'
simple_string: 'A simple string'
version: "VERSION"
double_colon: dummyClassName::method
COMMONTEST;
        vfsStream::setup('modules');
        foreach ([
            '1',
            '2',
        ] as $file_delta) {
            $filename = "common_test-{$file_delta}.info.txt";
            vfsStream::create([
                'fixtures' => [
                    $filename => $common,
                ],
            ]);
            $info_values = $this->infoParser
                ->parse(vfsStream::url("modules/fixtures/{$filename}"));
            $this->assertEquals('A simple string', $info_values['simple_string'], 'Simple string value was parsed correctly.');
            $this->assertEquals(\Drupal::VERSION, $info_values['version'], 'Constant value was parsed correctly.');
            $this->assertEquals('dummyClassName::method', $info_values['double_colon'], 'Value containing double-colon was parsed correctly.');
            $this->assertFalse($info_values['core_incompatible']);
        }
    }
    
    /**
     * Tests common info file.
     *
     * @covers ::parse
     */
    public function testInfoParserCoreInfo() {
        $common = <<<CORETEST
name: core_test
type: module
version: "VERSION"
description: 'testing info file parsing'
CORETEST;
        vfsStream::setup('core');
        $filename = "core_test.info.txt";
        vfsStream::create([
            'fixtures' => [
                $filename => $common,
            ],
        ]);
        $info_values = $this->infoParser
            ->parse(vfsStream::url("core/fixtures/{$filename}"));
        $this->assertEquals(\Drupal::VERSION, $info_values['version'], 'Constant value was parsed correctly.');
        $this->assertFalse($info_values['core_incompatible']);
        $this->assertEquals(\Drupal::VERSION, $info_values['core_version_requirement']);
    }
    
    /**
     * @covers ::parse
     *
     * @dataProvider providerCoreIncompatibility
     */
    public function testCoreIncompatibility($test_case, $constraint, $expected) {
        $core_incompatibility = <<<CORE_INCOMPATIBILITY
core_version_requirement: {<span class="php-variable">$constraint</span>}
name: common_test
type: module
description: 'testing info file parsing'
simple_string: 'A simple string'
version: "VERSION"
double_colon: dummyClassName::method
CORE_INCOMPATIBILITY;
        vfsStream::setup('modules');
        foreach ([
            '1',
            '2',
        ] as $file_delta) {
            $filename = "core_incompatible-{$test_case}-{$file_delta}.info.txt";
            vfsStream::create([
                'fixtures' => [
                    $filename => $core_incompatibility,
                ],
            ]);
            $info_values = $this->infoParser
                ->parse(vfsStream::url("modules/fixtures/{$filename}"));
            $this->assertSame($expected, $info_values['core_incompatible'], "core_incompatible correct in file: {$filename}");
        }
    }
    
    /**
     * Data provider for testCoreIncompatibility().
     */
    public function providerCoreIncompatibility() {
        [
            $major,
            $minor,
        ] = explode('.', \Drupal::VERSION);
        $next_minor = $minor + 1;
        $next_major = $major + 1;
        return [
            'next_minor' => [
                'next_minor',
                "^{$major}.{$next_minor}",
                TRUE,
            ],
            'current_major_next_major' => [
                'current_major_next_major',
                "^{$major} || ^{$next_major}",
                FALSE,
            ],
            'previous_major_next_major' => [
                'previous_major_next_major',
                "^1 || ^{$next_major}",
                TRUE,
            ],
            'current_minor' => [
                'current_minor',
                "~{$major}.{$minor}",
                FALSE,
            ],
        ];
    }
    
    /**
     * Tests a profile info file.
     */
    public function testProfile() {
        $profile = <<<PROFILE_TEST
core_version_requirement: '*'
name: The Perfect Profile
type: profile
description: 'This profile makes Drupal perfect. You should have no complaints.'
PROFILE_TEST;
        vfsStream::setup('profiles');
        vfsStream::create([
            'fixtures' => [
                'invalid_profile.info.txt' => $profile,
            ],
        ]);
        $info = $this->infoParser
            ->parse(vfsStream::url('profiles/fixtures/invalid_profile.info.txt'));
        $this->assertFalse($info['core_incompatible']);
    }
    
    /**
     * Tests the exception for an unparsable 'core_version_requirement' value.
     *
     * @covers ::parse
     */
    public function testUnparsableCoreVersionRequirement() {
        $unparsable_core_version_requirement = <<<UNPARSABLE_CORE_VERSION_REQUIREMENT
# info.yml for testing invalid core_version_requirement value.
name: Not this module
description: 'Not the module you are looking for.'
package: Core
type: module
version: VERSION
core_version_requirement: not-this-version
UNPARSABLE_CORE_VERSION_REQUIREMENT;
        vfsStream::setup('modules');
        vfsStream::create([
            'fixtures' => [
                'unparsable_core_version_requirement.info.txt' => $unparsable_core_version_requirement,
            ],
        ]);
        $this->expectException(InfoParserException::class);
        $this->expectExceptionMessage("The 'core_version_requirement' constraint (not-this-version) is not a valid value in vfs://modules/fixtures/unparsable_core_version_requirement.info.txt");
        $this->infoParser
            ->parse(vfsStream::url('modules/fixtures/unparsable_core_version_requirement.info.txt'));
    }
    
    /**
     * Tests an info file with 'core: 8.x' but without 'core_version_requirement'.
     *
     * @covers ::parse
     */
    public function testCore8xNoCoreVersionRequirement() {
        $info = <<<INFO
package: Core
core: 8.x
version: VERSION
type: module
name: Module for That
dependencies:
  - field
INFO;
        vfsStream::setup('modules');
        foreach ([
            '1',
            '2',
        ] as $file_delta) {
            $filename = "core_version_requirement-{$file_delta}.info.txt";
            vfsStream::create([
                'fixtures' => [
                    $filename => $info,
                ],
            ]);
            $info_values = $this->infoParser
                ->parse(vfsStream::url("modules/fixtures/{$filename}"));
            $this->assertSame(TRUE, $info_values['core_incompatible'], "Expected 'core_incompatible's for file: {$filename}");
        }
    }
    
    /**
     * Tests an info file with valid lifecycle values.
     *
     * @covers ::parse
     *
     * @dataProvider providerValidLifecycle
     */
    public function testValidLifecycle($lifecycle, $expected) {
        $info = <<<INFO
package: Core
core: 8.x
version: VERSION
type: module
name: Module for That
INFO;
        if (!empty($lifecycle)) {
            $info .= "\nlifecycle: {$lifecycle}\n";
        }
        if (in_array($lifecycle, [
            ExtensionLifecycle::DEPRECATED,
            ExtensionLifecycle::OBSOLETE,
        ], TRUE)) {
            $info .= "\nlifecycle_link: http://example.com\n";
        }
        vfsStream::setup('modules');
        $filename = "lifecycle-{$lifecycle}.info.yml";
        vfsStream::create([
            'fixtures' => [
                $filename => $info,
            ],
        ]);
        $info_values = $this->infoParser
            ->parse(vfsStream::url("modules/fixtures/{$filename}"));
        $this->assertSame($expected, $info_values[ExtensionLifecycle::LIFECYCLE_IDENTIFIER]);
    }
    
    /**
     * Data provider for testValidLifecycle().
     */
    public function providerValidLifecycle() {
        return [
            'empty' => [
                '',
                ExtensionLifecycle::STABLE,
            ],
            'experimental' => [
                ExtensionLifecycle::EXPERIMENTAL,
                ExtensionLifecycle::EXPERIMENTAL,
            ],
            'stable' => [
                ExtensionLifecycle::STABLE,
                ExtensionLifecycle::STABLE,
            ],
            'deprecated' => [
                ExtensionLifecycle::DEPRECATED,
                ExtensionLifecycle::DEPRECATED,
            ],
            'obsolete' => [
                ExtensionLifecycle::OBSOLETE,
                ExtensionLifecycle::OBSOLETE,
            ],
        ];
    }
    
    /**
     * Tests an info file with invalid lifecycle values.
     *
     * @covers ::parse
     *
     * @dataProvider providerInvalidLifecycle
     */
    public function testInvalidLifecycle($lifecycle, $exception_message) {
        $info = <<<INFO
package: Core
core: 8.x
version: VERSION
type: module
name: Module for That
INFO;
        $info .= "\nlifecycle: {$lifecycle}\n";
        vfsStream::setup('modules');
        $filename = "lifecycle-{$lifecycle}.info.txt";
        vfsStream::create([
            'fixtures' => [
                $filename => $info,
            ],
        ]);
        $this->expectException('\\Drupal\\Core\\Extension\\InfoParserException');
        $this->expectExceptionMessage($exception_message);
        $info_values = $this->infoParser
            ->parse(vfsStream::url("modules/fixtures/{$filename}"));
        $this->assertEmpty($info_values);
    }
    
    /**
     * Data provider for testInvalidLifecycle().
     */
    public function providerInvalidLifecycle() {
        return [
            'bogus' => [
                'bogus',
                "'lifecycle: bogus' is not valid",
            ],
            'two words' => [
                'deprecated obsolete',
                "'lifecycle: deprecated obsolete' is not valid",
            ],
            'wrong case' => [
                'Experimental',
                "'lifecycle: Experimental' is not valid",
            ],
        ];
    }
    
    /**
     * Tests an info file's lifecycle_link values.
     *
     * @covers ::parse
     *
     * @dataProvider providerLifecycleLink
     */
    public function testLifecycleLink($lifecycle, $lifecycle_link = NULL, $exception_message = NULL) {
        $info = <<<INFO
package: Core
core: 8.x
version: VERSION
type: module
name: Module for That
lifecycle: {<span class="php-variable">$lifecycle</span>}
INFO;
        if ($lifecycle_link) {
            $info .= "\nlifecycle_link: {$lifecycle_link}\n";
        }
        vfsStream::setup('modules');
        // Use a random file name to bypass the static caching in
        // \Drupal\Core\Extension\InfoParser.
        $random = mb_strtolower($this->randomMachineName());
        $filename = "lifecycle-{$random}.info.yml";
        vfsStream::create([
            'fixtures' => [
                $filename => $info,
            ],
        ]);
        $path = vfsStream::url("modules/fixtures/{$filename}");
        if ($exception_message) {
            $this->expectException(InfoParserException::class);
            $this->expectExceptionMessage(sprintf($exception_message, $path));
        }
        $info_values = $this->infoParser
            ->parse($path);
        $this->assertSame($lifecycle, $info_values[ExtensionLifecycle::LIFECYCLE_IDENTIFIER]);
    }
    
    /**
     * Data provider for testLifecycleLink().
     */
    public function providerLifecycleLink() {
        return [
            'valid deprecated' => [
                ExtensionLifecycle::DEPRECATED,
                'http://example.com',
            ],
            'valid obsolete' => [
                ExtensionLifecycle::OBSOLETE,
                'http://example.com',
            ],
            'valid stable' => [
                ExtensionLifecycle::STABLE,
            ],
            'valid experimental' => [
                ExtensionLifecycle::EXPERIMENTAL,
            ],
            'missing deprecated' => [
                ExtensionLifecycle::DEPRECATED,
                NULL,
                "Extension Module for That (%s) has 'lifecycle: deprecated' but is missing a 'lifecycle_link' entry.",
            ],
            'missing obsolete' => [
                ExtensionLifecycle::OBSOLETE,
                NULL,
                "Extension Module for That (%s) has 'lifecycle: obsolete' but is missing a 'lifecycle_link' entry.",
            ],
            'invalid deprecated' => [
                ExtensionLifecycle::DEPRECATED,
                'look ma, not a url',
                "Extension Module for That (%s) has a 'lifecycle_link' entry that is not a valid URL.",
            ],
            'invalid obsolete' => [
                ExtensionLifecycle::OBSOLETE,
                'I think you may find that this is also not a url',
                "Extension Module for That (%s) has a 'lifecycle_link' entry that is not a valid URL.",
            ],
        ];
    }

}