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ModuleTest.php
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ModuleTest.php
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<?php
namespace MediaWiki\Tests\ResourceLoader;
use LogicException;
use MediaWiki\MainConfigNames;
use MediaWiki\ResourceLoader\FileModule;
use MediaWiki\ResourceLoader\MessageBlobStore;
use MediaWiki\ResourceLoader\Module;
use MediaWiki\ResourceLoader\ResourceLoader;
use ReflectionMethod;
/**
* @group ResourceLoader
* @covers \MediaWiki\ResourceLoader\Module
*/
class ModuleTest extends ResourceLoaderTestCase {
public function testGetVersionHash() {
$context = $this->getResourceLoaderContext( [ 'debug' => 'false' ] );
$msgBlobStore = $this->createMock( MessageBlobStore::class );
$msgBlobStore->method( 'getBlob' )->willReturn( '{}' );
$context->getResourceLoader()->setMessageBlobStore( $msgBlobStore );
$baseParams = [
'scripts' => [ 'foo.js', 'bar.js' ],
'dependencies' => [ 'jquery', 'mediawiki' ],
'messages' => [ 'hello', 'world' ],
];
$module = new FileModule( $baseParams );
$module->setName( 'test' );
$version = json_encode( $module->getVersionHash( $context ) );
// Exactly the same
$module = new FileModule( $baseParams );
$module->setName( 'test' );
$this->assertEquals(
$version,
json_encode( $module->getVersionHash( $context ) ),
'Instance is insignificant'
);
// Re-order dependencies
$module = new FileModule( [
'dependencies' => [ 'mediawiki', 'jquery' ],
] + $baseParams );
$module->setName( 'test' );
$this->assertEquals(
$version,
json_encode( $module->getVersionHash( $context ) ),
'Order of dependencies is insignificant'
);
// Re-order messages
$module = new FileModule( [
'messages' => [ 'world', 'hello' ],
] + $baseParams );
$module->setName( 'test' );
$this->assertEquals(
$version,
json_encode( $module->getVersionHash( $context ) ),
'Order of messages is insignificant'
);
// Re-order scripts
$module = new FileModule( [
'scripts' => [ 'bar.js', 'foo.js' ],
] + $baseParams );
$module->setName( 'test' );
$this->assertNotEquals(
$version,
json_encode( $module->getVersionHash( $context ) ),
'Order of scripts is significant'
);
// Subclass
$module = new ResourceLoaderFileModuleTestingSubclass( $baseParams );
$module->setName( 'test' );
$this->assertNotEquals(
$version,
json_encode( $module->getVersionHash( $context ) ),
'Class is significant'
);
}
public function testGetVersionHash_debug() {
$module = new ResourceLoaderTestModule( [ 'script' => 'foo();' ] );
$module->setName( 'test' );
$context = $this->getResourceLoaderContext( [ 'debug' => 'true' ] );
$this->assertSame( '', $module->getVersionHash( $context ) );
}
public function testGetVersionHash_length() {
$context = $this->getResourceLoaderContext( [ 'debug' => 'false' ] );
$module = new ResourceLoaderTestModule( [
'script' => 'foo();'
] );
$module->setName( 'test' );
$version = $module->getVersionHash( $context );
$this->assertSame( ResourceLoader::HASH_LENGTH, strlen( $version ), 'Hash length' );
}
public function testGetVersionHash_parentDefinition() {
$context = $this->getResourceLoaderContext( [ 'debug' => 'false' ] );
$module = $this->getMockBuilder( Module::class )
->onlyMethods( [ 'getDefinitionSummary' ] )->getMock();
$module->method( 'getDefinitionSummary' )->willReturn( [ 'a' => 'summary' ] );
$module->setName( 'test' );
$this->expectException( LogicException::class );
$this->expectExceptionMessage( 'must call parent' );
$module->getVersionHash( $context );
}
/**
* @covers \MediaWiki\ResourceLoader\Module
* @covers \MediaWiki\ResourceLoader\ResourceLoader
*/
public function testGetURLsForDebug() {
$module = new ResourceLoaderTestModule( [
'styles' => '.foo { color: blue; }',
] );
$context = $this->getResourceLoaderContext( [ 'debug' => 'true' ] );
$module->setConfig( $context->getResourceLoader()->getConfig() );
$module->setName( 'test' );
$this->assertEquals(
[ 'all' => [
'/w/load.php?debug=2&lang=en&modules=test&only=styles'
] ],
$module->getStyleURLsForDebug( $context ),
'style urls debug=true'
);
$context = $this->getResourceLoaderContext( [ 'debug' => '2' ] );
$this->assertEquals(
[ 'all' => [
'/w/load.php?debug=2&lang=en&modules=test&only=styles'
] ],
$module->getStyleURLsForDebug( $context ),
'style urls debug=2'
);
}
public static function provideValidateScripts() {
yield 'valid ES5' => [ "\n'valid';" ];
yield 'valid ES6/ES2015 for-of' => [
"var x = ['a', 'b']; for (var key of x) { console.log(key); }"
];
yield 'valid ES2016 exponentiation' => [
"var x = 2; var y = 3; console.log(x ** y);"
];
yield 'valid ES2017 async-await' => [
"var foo = async function(x) { return await x.fetch(); }"
];
yield 'valid ES2018 spread in object literal' => [
"var x = {b: 2, c: 3}; var y = {a: 1, ...x};",
'Parse error: Unexpected: ... on line 1 in input.js'
];
yield 'SyntaxError' => [
"var a = 'this is';\n {\ninvalid",
'Parse error: Unclosed { on line 3 in input.js'
];
// If an implementation matches inputs using a regex with runaway backtracking,
// then inputs with more than ~3072 repetitions are likely to fail (T299537).
$input = '"' . str_repeat( 'x', 10000 ) . '";';
yield 'double quote string 10K' => [ $input, ];
$input = '\'' . str_repeat( 'x', 10000 ) . '\';';
yield 'single quote string 10K' => [ $input ];
$input = '"' . str_repeat( '\u0021', 100 ) . '";';
yield 'escaping string 100' => [ $input ];
$input = '"' . str_repeat( '\u0021', 10000 ) . '";';
yield 'escaping string 10K' => [ $input ];
$input = '/' . str_repeat( 'x', 1000 ) . '/;';
yield 'regex 1K' => [ $input ];
$input = '/' . str_repeat( 'x', 10000 ) . '/;';
yield 'regex 10K' => [ $input ];
$input = '/' . str_repeat( '\u0021', 100 ) . '/;';
yield 'escaping regex 100' => [ $input ];
$input = '/' . str_repeat( '\u0021', 10000 ) . '/;';
yield 'escaping regex 10K' => [ $input ];
}
/**
* @dataProvider provideValidateScripts
*/
public function testValidateScriptFile( $input, $error = null ) {
$this->overrideConfigValue( MainConfigNames::ResourceLoaderValidateJS, true );
$context = $this->getResourceLoaderContext();
$module = new ResourceLoaderTestModule( [
'mayValidateScript' => true,
'script' => $input
] );
$module->setConfig( $context->getResourceLoader()->getConfig() );
$result = $module->getScript( $context );
if ( $error ) {
$this->assertStringContainsString( 'mw.log.error(', $result, 'log error' );
$this->assertStringContainsString( $error, $result, 'error message' );
} else {
$this->assertEquals(
$input,
$module->getScript( $context ),
'Leave valid scripts as-is'
);
}
}
public static function provideBuildContentScripts() {
return [
[
"mw.foo()",
],
[
"mw.foo();",
],
[
"mw.foo();\n",
],
[
"mw.foo()\n",
],
[
"mw.foo()\n// mw.bar();",
],
[
"mw.foo()\n// mw.bar()",
],
[
"mw.foo()// mw.bar();",
],
];
}
/**
* @dataProvider provideBuildContentScripts
*/
public function testBuildContentScripts( $raw, $message = '' ) {
$context = $this->getResourceLoaderContext();
$module = new ResourceLoaderTestModule( [
'script' => $raw
] );
$module->setName( 'test' );
$this->assertEquals( $raw, $module->getScript( $context ), 'Raw script' );
$this->assertEquals(
[ 'plainScripts' => [ [ 'content' => $raw ] ] ],
$module->getModuleContent( $context )[ 'scripts' ],
$message
);
}
public function testPlaceholderize() {
$getRelativePaths = new ReflectionMethod( Module::class, 'getRelativePaths' );
$expandRelativePaths = new ReflectionMethod( Module::class, 'expandRelativePaths' );
$this->setMwGlobals( [
'IP' => '/srv/example/mediawiki/core',
] );
$raw = [
'/srv/example/mediawiki/core/resources/foo.js',
'/srv/example/mediawiki/core/extensions/Example/modules/bar.js',
'/srv/example/mediawiki/skins/Example/baz.css',
'/srv/example/mediawiki/skins/Example/images/quux.png',
];
$canonical = [
'resources/foo.js',
'extensions/Example/modules/bar.js',
'../skins/Example/baz.css',
'../skins/Example/images/quux.png',
];
$this->assertEquals(
$canonical,
$getRelativePaths->invoke( null, $raw ),
'Insert placeholders'
);
$this->assertEquals(
$raw,
$expandRelativePaths->invoke( null, $canonical ),
'Substitute placeholders'
);
}
public function testGetHeaders() {
$context = $this->getResourceLoaderContext();
$module = new ResourceLoaderTestModule();
$module->setName( 'test' );
$this->assertSame( [], $module->getHeaders( $context ), 'Default' );
$module = $this->getMockBuilder( ResourceLoaderTestModule::class )
->onlyMethods( [ 'getPreloadLinks' ] )->getMock();
$module->method( 'getPreloadLinks' )->willReturn( [
'https://example.org/script.js' => [ 'as' => 'script' ],
] );
$this->assertSame(
[
'Link: <https://example.org/script.js>;rel=preload;as=script'
],
$module->getHeaders( $context ),
'Preload one resource'
);
$module = $this->getMockBuilder( ResourceLoaderTestModule::class )
->onlyMethods( [ 'getPreloadLinks' ] )->getMock();
$module->method( 'getPreloadLinks' )->willReturn( [
'https://example.org/script.js' => [ 'as' => 'script' ],
'/example.png' => [ 'as' => 'image' ],
] );
$module->setName( 'test' );
$this->assertSame(
[
'Link: <https://example.org/script.js>;rel=preload;as=script,' .
'</example.png>;rel=preload;as=image'
],
$module->getHeaders( $context ),
'Preload two resources'
);
}
}

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