ResourceLoaderFileModuleTest.php

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<?php
 
class ResourceLoaderFileModuleTest extends ResourceLoaderTestCase {
 
    protected function setUp() {
        parent::setUp();
 
        // The return value of the closure shouldn't matter since this test should
        // never call it
        SkinFactory::getDefaultInstance()->register(
            'fakeskin',
            'FakeSkin',
            function () {
            }
        );
    }
 
    private static function getModules() {
        $base = [
            'localBasePath' => realpath( __DIR__ ),
        ];
 
        return [
            'noTemplateModule' => [],
 
            'deprecatedModule' => $base + [
                'deprecated' => true,
            ],
            'deprecatedTomorrow' => $base + [
                'deprecated' => 'Will be removed tomorrow.'
            ],
 
            'htmlTemplateModule' => $base + [
                'templates' => [
                    'templates/template.html',
                    'templates/template2.html',
                ]
            ],
 
            'htmlTemplateUnknown' => $base + [
                'templates' => [
                    'templates/notfound.html',
                ]
            ],
 
            'aliasedHtmlTemplateModule' => $base + [
                'templates' => [
                    'foo.html' => 'templates/template.html',
                    'bar.html' => 'templates/template2.html',
                ]
            ],
 
            'templateModuleHandlebars' => $base + [
                'templates' => [
                    'templates/template_awesome.handlebars',
                ],
            ],
 
            'aliasFooFromBar' => $base + [
                'templates' => [
                    'foo.foo' => 'templates/template.bar',
                ],
            ],
        ];
    }
 
    public static function providerTemplateDependencies() {
        $modules = self::getModules();
 
        return [
            [
                $modules['noTemplateModule'],
                [],
            ],
            [
                $modules['htmlTemplateModule'],
                [
                    'mediawiki.template',
                ],
            ],
            [
                $modules['templateModuleHandlebars'],
                [
                    'mediawiki.template',
                    'mediawiki.template.handlebars',
                ],
            ],
            [
                $modules['aliasFooFromBar'],
                [
                    'mediawiki.template',
                    'mediawiki.template.foo',
                ],
            ],
        ];
    }
 
    public function testTemplateDependencies( $module, $expected ) {
        $rl = new ResourceLoaderFileModule( $module );
        $rl->setName( 'testing' );
        $this->assertEquals( $rl->getDependencies(), $expected );
    }
 
    public static function providerDeprecatedModules() {
        return [
            [
                'deprecatedModule',
                'mw.log.warn("This page is using the deprecated ResourceLoader module \"deprecatedModule\".");',
            ],
            [
                'deprecatedTomorrow',
                'mw.log.warn(' .
                    '"This page is using the deprecated ResourceLoader module \"deprecatedTomorrow\".\\n' .
                    "Will be removed tomorrow." .
                    '");'
            ]
        ];
    }
 
    public function testDeprecatedModules( $name, $expected ) {
        $modules = self::getModules();
        $module = new ResourceLoaderFileModule( $modules[$name] );
        $module->setName( $name );
        $ctx = $this->getResourceLoaderContext();
        $this->assertEquals( $module->getScript( $ctx ), $expected );
    }
 
    public function testGetScript() {
        $module = new ResourceLoaderFileModule( [
            'localBasePath' => __DIR__ . '/../../data/resourceloader',
            'scripts' => [ 'script-nosemi.js', 'script-comment.js' ],
        ] );
        $module->setName( 'testing' );
        $ctx = $this->getResourceLoaderContext();
        $this->assertEquals(
            "/* eslint-disable */\nmw.foo()\n" .
            "\n" .
            "/* eslint-disable */\nmw.foo()\n// mw.bar();\n" .
            "\n",
            $module->getScript( $ctx ),
            'scripts are concatenated with a new-line'
        );
    }
 
    public function testGetAllSkinStyleFiles() {
        $baseParams = [
            'scripts' => [
                'foo.js',
                'bar.js',
            ],
            'styles' => [
                'foo.css',
                'bar.css' => [ 'media' => 'print' ],
                'screen.less' => [ 'media' => 'screen' ],
                'screen-query.css' => [ 'media' => 'screen and (min-width: 400px)' ],
            ],
            'skinStyles' => [
                'default' => 'quux-fallback.less',
                'fakeskin' => [
                    'baz-vector.css',
                    'quux-vector.less',
                ],
            ],
            'messages' => [
                'hello',
                'world',
            ],
        ];
 
        $module = new ResourceLoaderFileModule( $baseParams );
        $module->setName( 'testing' );
 
        $this->assertEquals(
            [
                'foo.css',
                'baz-vector.css',
                'quux-vector.less',
                'quux-fallback.less',
                'bar.css',
                'screen.less',
                'screen-query.css',
            ],
            array_map( 'basename', $module->getAllStyleFiles() )
        );
    }
 
    private static function stripNoflip( $css ) {
        return str_replace( '/*@noflip*/ ', '', $css );
    }
 
    public function testMixedCssAnnotations() {
        $basePath = __DIR__ . '/../../data/css';
        $testModule = new ResourceLoaderFileModule( [
            'localBasePath' => $basePath,
            'styles' => [ 'test.css' ],
        ] );
        $testModule->setName( 'testing' );
        $expectedModule = new ResourceLoaderFileModule( [
            'localBasePath' => $basePath,
            'styles' => [ 'expected.css' ],
        ] );
        $expectedModule->setName( 'testing' );
 
        $contextLtr = $this->getResourceLoaderContext( [
            'lang' => 'en',
            'dir' => 'ltr',
        ] );
        $contextRtl = $this->getResourceLoaderContext( [
            'lang' => 'he',
            'dir' => 'rtl',
        ] );
 
        // Since we want to compare the effect of @noflip+@embed against the effect of just @embed, and
        // the @noflip annotations are always preserved, we need to strip them first.
        $this->assertEquals(
            $expectedModule->getStyles( $contextLtr ),
            self::stripNoflip( $testModule->getStyles( $contextLtr ) ),
            "/*@noflip*/ with /*@embed*/ gives correct results in LTR mode"
        );
        $this->assertEquals(
            $expectedModule->getStyles( $contextLtr ),
            self::stripNoflip( $testModule->getStyles( $contextRtl ) ),
            "/*@noflip*/ with /*@embed*/ gives correct results in RTL mode"
        );
    }
 
    public static function providerGetTemplates() {
        $modules = self::getModules();
 
        return [
            [
                $modules['noTemplateModule'],
                [],
            ],
            [
                $modules['templateModuleHandlebars'],
                [
                    'templates/template_awesome.handlebars' => "wow\n",
                ],
            ],
            [
                $modules['htmlTemplateModule'],
                [
                    'templates/template.html' => "<strong>hello</strong>\n",
                    'templates/template2.html' => "<div>goodbye</div>\n",
                ],
            ],
            [
                $modules['aliasedHtmlTemplateModule'],
                [
                    'foo.html' => "<strong>hello</strong>\n",
                    'bar.html' => "<div>goodbye</div>\n",
                ],
            ],
            [
                $modules['htmlTemplateUnknown'],
                false,
            ],
        ];
    }
 
    public function testGetTemplates( $module, $expected ) {
        $rl = new ResourceLoaderFileModule( $module );
        $rl->setName( 'testing' );
 
        if ( $expected === false ) {
            $this->setExpectedException( MWException::class );
            $rl->getTemplates();
        } else {
            $this->assertEquals( $rl->getTemplates(), $expected );
        }
    }
 
    public function testBomConcatenation() {
        $basePath = __DIR__ . '/../../data/css';
        $testModule = new ResourceLoaderFileModule( [
            'localBasePath' => $basePath,
            'styles' => [ 'bom.css' ],
            ] );
        $testModule->setName( 'testing' );
        $this->assertEquals(
            substr( file_get_contents( "$basePath/bom.css" ), 0, 10 ),
            "\xef\xbb\xbf.efbbbf",
            'File has leading BOM'
        );
 
        $context = $this->getResourceLoaderContext();
        $this->assertEquals(
            $testModule->getStyles( $context ),
            [ 'all' => ".efbbbf_bom_char_at_start_of_file {}\n" ],
            'Leading BOM removed when concatenating files'
        );
    }
 
    public function testGetVersionHash() {
        $context = $this->getResourceLoaderContext();
 
        // Less variables
        $module = new ResourceLoaderFileTestModule();
        $version = $module->getVersionHash( $context );
        $module = new ResourceLoaderFileTestModule( [], [
            'lessVars' => [ 'key' => 'value' ],
        ] );
        $this->assertNotEquals(
            $version,
            $module->getVersionHash( $context ),
            'Using less variables is significant'
        );
    }
}