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wiki.techinc.nl/tests/phpunit/includes/resourceloader/ResourceLoaderStartUpModuleTest.php
Roan Kattouw b267f7aa90 resourceloader: Allow modules to mark themselves as ES6-only 
Modules that set "es6": true in their module definition will error when
a non-ES6 client tries to load them.

To detect ES6 support, this looks for native Promise support,
RegExp.prototype.flags, and non-BMP characters in variable names. All
browsers that lack full ES6 support fail at least one of those checks.

To flag modules as requiring ES6, this adds a ! to the end of their
version string. This takes up much less space than adding another
register() parameter (which would have to be at the end). It's hacky,
but we expect this feature to be relatively temporary, until we require
ES6 for running any JS at all (probably in about a year).

For distinguishing different types of errors thrown from
sortDependencies(), use e.name. We can't subclass Error properly because
that requires ES6.

Bug: T272104
Change-Id: I45670c910ff12eb422ae54c9fcf372e45c7b2bf1
2021-03-04 14:53:36 -05:00

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<?php
class ResourceLoaderStartUpModuleTest extends ResourceLoaderTestCase {
protected static function expandPlaceholders( $text ) {
return strtr( $text, [
'{blankVer}' => self::BLANK_VERSION
] );
}
public function provideGetModuleRegistrations() {
return [
[ [
'msg' => 'Empty registry',
'modules' => [],
'out' => '
mw.loader.addSource({
"local": "/w/load.php"
});
mw.loader.register([]);'
] ],
[ [
'msg' => 'Basic registry',
'modules' => [
'test.blank' => [ 'class' => ResourceLoaderTestModule::class ],
],
'out' => '
mw.loader.addSource({
"local": "/w/load.php"
});
mw.loader.register([
[
"test.blank",
"{blankVer}"
]
]);',
] ],
[ [
'msg' => 'Optimise the dependency tree (basic case)',
'modules' => [
'a' => [
'class' => ResourceLoaderTestModule::class,
'dependencies' => [ 'b', 'c', 'd' ],
],
'b' => [
'class' => ResourceLoaderTestModule::class,
'dependencies' => [ 'c' ],
],
'c' => [
'class' => ResourceLoaderTestModule::class,
'dependencies' => [],
],
'd' => [
'class' => ResourceLoaderTestModule::class,
'dependencies' => [],
],
],
'out' => '
mw.loader.addSource({
"local": "/w/load.php"
});
mw.loader.register([
[
"a",
"{blankVer}",
[
1,
3
]
],
[
"b",
"{blankVer}",
[
2
]
],
[
"c",
"{blankVer}"
],
[
"d",
"{blankVer}"
]
]);',
] ],
[ [
'msg' => 'Optimise the dependency tree (tolerate unknown deps)',
'modules' => [
'a' => [
'class' => ResourceLoaderTestModule::class,
'dependencies' => [ 'b', 'c', 'x' ]
],
'b' => [
'class' => ResourceLoaderTestModule::class,
'dependencies' => [ 'c', 'x' ]
],
'c' => [
'class' => ResourceLoaderTestModule::class,
'dependencies' => []
],
],
'out' => '
mw.loader.addSource({
"local": "/w/load.php"
});
mw.loader.register([
[
"a",
"{blankVer}",
[
1,
"x"
]
],
[
"b",
"{blankVer}",
[
2,
"x"
]
],
[
"c",
"{blankVer}"
]
]);',
] ],
[ [
// Regression test for T223402.
'msg' => 'Optimise the dependency tree (indirect circular dependency)',
'modules' => [
'top' => [
'class' => ResourceLoaderTestModule::class,
'dependencies' => [ 'middle1', 'util' ],
],
'middle1' => [
'class' => ResourceLoaderTestModule::class,
'dependencies' => [ 'middle2', 'util' ],
],
'middle2' => [
'class' => ResourceLoaderTestModule::class,
'dependencies' => [ 'bottom' ],
],
'bottom' => [
'class' => ResourceLoaderTestModule::class,
'dependencies' => [ 'top' ],
],
'util' => [
'class' => ResourceLoaderTestModule::class,
'dependencies' => [],
],
],
'out' => '
mw.loader.addSource({
"local": "/w/load.php"
});
mw.loader.register([
[
"top",
"{blankVer}",
[
1,
4
]
],
[
"middle1",
"{blankVer}",
[
2,
4
]
],
[
"middle2",
"{blankVer}",
[
3
]
],
[
"bottom",
"{blankVer}",
[
0
]
],
[
"util",
"{blankVer}"
]
]);',
] ],
[ [
// Regression test for T223402.
'msg' => 'Optimise the dependency tree (direct circular dependency)',
'modules' => [
'top' => [
'class' => ResourceLoaderTestModule::class,
'dependencies' => [ 'util', 'top' ],
],
'util' => [
'class' => ResourceLoaderTestModule::class,
'dependencies' => [],
],
],
'out' => '
mw.loader.addSource({
"local": "/w/load.php"
});
mw.loader.register([
[
"top",
"{blankVer}",
[
1,
0
]
],
[
"util",
"{blankVer}"
]
]);',
] ],
[ [
'msg' => 'Version falls back gracefully if getVersionHash throws',
'modules' => [
'test.fail' => [
'factory' => function () {
$mock = $this->getMockBuilder( ResourceLoaderTestModule::class )
->setMethods( [ 'getVersionHash' ] )->getMock();
$mock->method( 'getVersionHash' )->will(
$this->throwException( new Exception )
);
return $mock;
}
]
],
'out' => '
mw.loader.addSource({
"local": "/w/load.php"
});
mw.loader.register([
[
"test.fail",
""
]
]);
mw.loader.state({
"test.fail": "error"
});',
] ],
[ [
'msg' => 'Use version from getVersionHash',
'modules' => [
'test.version' => [
'factory' => function () {
$mock = $this->getMockBuilder( ResourceLoaderTestModule::class )
->setMethods( [ 'getVersionHash' ] )->getMock();
$mock->method( 'getVersionHash' )->willReturn( '12345' );
return $mock;
}
]
],
'out' => '
mw.loader.addSource({
"local": "/w/load.php"
});
mw.loader.register([
[
"test.version",
"12345"
]
]);',
] ],
[ [
'msg' => 'Re-hash version from getVersionHash if too long',
'modules' => [
'test.version' => [
'factory' => function () {
$mock = $this->getMockBuilder( ResourceLoaderTestModule::class )
->setMethods( [ 'getVersionHash' ] )->getMock();
$mock->method( 'getVersionHash' )->willReturn( '12345678' );
return $mock;
}
],
],
'out' => '
mw.loader.addSource({
"local": "/w/load.php"
});
mw.loader.register([
[
"test.version",
"16es8"
]
]);',
] ],
[ [
'msg' => 'Group signature',
'modules' => [
'test.blank' => [ 'class' => ResourceLoaderTestModule::class ],
'test.group.foo' => [
'class' => ResourceLoaderTestModule::class,
'group' => 'x-foo',
],
'test.group.bar' => [
'class' => ResourceLoaderTestModule::class,
'group' => 'x-bar',
],
],
'out' => '
mw.loader.addSource({
"local": "/w/load.php"
});
mw.loader.register([
[
"test.blank",
"{blankVer}"
],
[
"test.group.foo",
"{blankVer}",
[],
2
],
[
"test.group.bar",
"{blankVer}",
[],
3
]
]);'
] ],
[ [
'msg' => 'Different target (non-test should not be registered)',
'modules' => [
'test.blank' => [ 'class' => ResourceLoaderTestModule::class ],
'test.target.foo' => [
'class' => ResourceLoaderTestModule::class,
'targets' => [ 'x-foo' ],
],
],
'out' => '
mw.loader.addSource({
"local": "/w/load.php"
});
mw.loader.register([
[
"test.blank",
"{blankVer}"
]
]);'
] ],
[ [
'msg' => 'Safemode disabled (default; register all modules)',
'modules' => [
// Default origin: ORIGIN_CORE_SITEWIDE
'test.blank' => [ 'class' => ResourceLoaderTestModule::class ],
'test.core-generated' => [
'class' => ResourceLoaderTestModule::class,
'origin' => ResourceLoaderModule::ORIGIN_CORE_INDIVIDUAL
],
'test.sitewide' => [
'class' => ResourceLoaderTestModule::class,
'origin' => ResourceLoaderModule::ORIGIN_USER_SITEWIDE
],
'test.user' => [
'class' => ResourceLoaderTestModule::class,
'origin' => ResourceLoaderModule::ORIGIN_USER_INDIVIDUAL
],
],
'out' => '
mw.loader.addSource({
"local": "/w/load.php"
});
mw.loader.register([
[
"test.blank",
"{blankVer}"
],
[
"test.core-generated",
"{blankVer}"
],
[
"test.sitewide",
"{blankVer}"
],
[
"test.user",
"{blankVer}"
]
]);'
] ],
[ [
'msg' => 'Safemode enabled (filter modules with user/site origin)',
'extraQuery' => [ 'safemode' => '1' ],
'modules' => [
// Default origin: ORIGIN_CORE_SITEWIDE
'test.blank' => [ 'class' => ResourceLoaderTestModule::class ],
'test.core-generated' => [
'class' => ResourceLoaderTestModule::class,
'origin' => ResourceLoaderModule::ORIGIN_CORE_INDIVIDUAL
],
'test.sitewide' => [
'class' => ResourceLoaderTestModule::class,
'origin' => ResourceLoaderModule::ORIGIN_USER_SITEWIDE
],
'test.user' => [
'class' => ResourceLoaderTestModule::class,
'origin' => ResourceLoaderModule::ORIGIN_USER_INDIVIDUAL
],
],
'out' => '
mw.loader.addSource({
"local": "/w/load.php"
});
mw.loader.register([
[
"test.blank",
"{blankVer}"
],
[
"test.core-generated",
"{blankVer}"
]
]);'
] ],
[ [
'msg' => 'Foreign source',
'sources' => [
'example' => [
'loadScript' => 'http://example.org/w/load.php',
'apiScript' => 'http://example.org/w/api.php',
],
],
'modules' => [
'test.blank' => [
'class' => ResourceLoaderTestModule::class,
'source' => 'example'
],
],
'out' => '
mw.loader.addSource({
"local": "/w/load.php",
"example": "http://example.org/w/load.php"
});
mw.loader.register([
[
"test.blank",
"{blankVer}",
[],
null,
"example"
]
]);'
] ],
[ [
'msg' => 'Conditional dependency function',
'modules' => [
'test.x.core' => [ 'class' => ResourceLoaderTestModule::class ],
'test.x.polyfill' => [
'class' => ResourceLoaderTestModule::class,
'skipFunction' => 'return true;'
],
'test.y.polyfill' => [
'class' => ResourceLoaderTestModule::class,
'skipFunction' =>
'return !!(' .
' window.JSON &&' .
' JSON.parse &&' .
' JSON.stringify' .
');'
],
'test.z.foo' => [
'class' => ResourceLoaderTestModule::class,
'dependencies' => [
'test.x.core',
'test.x.polyfill',
'test.y.polyfill',
],
],
],
'out' => '
mw.loader.addSource({
"local": "/w/load.php"
});
mw.loader.register([
[
"test.x.core",
"{blankVer}"
],
[
"test.x.polyfill",
"{blankVer}",
[],
null,
null,
"return true;"
],
[
"test.y.polyfill",
"{blankVer}",
[],
null,
null,
"return !!( window.JSON \u0026\u0026 JSON.parse \u0026\u0026 JSON.stringify);"
],
[
"test.z.foo",
"{blankVer}",
[
0,
1,
2
]
]
]);',
] ],
[ [
'msg' => 'ES6-only module',
'modules' => [
'test.es6' => [
'class' => ResourceLoaderTestModule::class,
'es6' => true
],
],
'out' => '
mw.loader.addSource({
"local": "/w/load.php"
});
mw.loader.register([
[
"test.es6",
"{blankVer}!"
]
]);',
] ],
[ [
// This may seem like an edge case, but a plain MediaWiki core install
// with a few extensions installed is likely far more complex than this
// even, not to mention an install like Wikipedia.
// TODO: Make this even more realistic.
'msg' => 'Advanced (everything combined)',
'sources' => [
'example' => [
'loadScript' => 'http://example.org/w/load.php',
'apiScript' => 'http://example.org/w/api.php',
],
],
'modules' => [
'test.blank' => [ 'class' => ResourceLoaderTestModule::class ],
'test.x.core' => [ 'class' => ResourceLoaderTestModule::class ],
'test.x.util' => [
'class' => ResourceLoaderTestModule::class,
'dependencies' => [
'test.x.core',
],
],
'test.x.foo' => [
'class' => ResourceLoaderTestModule::class,
'dependencies' => [
'test.x.core',
],
],
'test.x.bar' => [
'class' => ResourceLoaderTestModule::class,
'dependencies' => [
'test.x.core',
'test.x.util',
],
],
'test.x.quux' => [
'class' => ResourceLoaderTestModule::class,
'dependencies' => [
'test.x.foo',
'test.x.bar',
'test.x.util',
'test.x.unknown',
],
],
'test.group.foo.1' => [
'class' => ResourceLoaderTestModule::class,
'group' => 'x-foo',
],
'test.group.foo.2' => [
'class' => ResourceLoaderTestModule::class,
'group' => 'x-foo',
],
'test.group.bar.1' => [
'class' => ResourceLoaderTestModule::class,
'group' => 'x-bar',
],
'test.group.bar.2' => [
'class' => ResourceLoaderTestModule::class,
'group' => 'x-bar',
'source' => 'example',
],
'test.target.foo' => [
'class' => ResourceLoaderTestModule::class,
'targets' => [ 'x-foo' ],
],
'test.target.bar' => [
'class' => ResourceLoaderTestModule::class,
'source' => 'example',
'targets' => [ 'x-foo' ],
],
'test.es6' => [
'class' => ResourceLoaderTestModule::class,
'es6' => true
]
],
'out' => '
mw.loader.addSource({
"local": "/w/load.php",
"example": "http://example.org/w/load.php"
});
mw.loader.register([
[
"test.blank",
"{blankVer}"
],
[
"test.x.core",
"{blankVer}"
],
[
"test.x.util",
"{blankVer}",
[
1
]
],
[
"test.x.foo",
"{blankVer}",
[
1
]
],
[
"test.x.bar",
"{blankVer}",
[
2
]
],
[
"test.x.quux",
"{blankVer}",
[
3,
4,
"test.x.unknown"
]
],
[
"test.group.foo.1",
"{blankVer}",
[],
2
],
[
"test.group.foo.2",
"{blankVer}",
[],
2
],
[
"test.group.bar.1",
"{blankVer}",
[],
3
],
[
"test.group.bar.2",
"{blankVer}",
[],
3,
"example"
],
[
"test.es6",
"{blankVer}!"
]
]);'
] ],
];
}
/**
* @dataProvider provideGetModuleRegistrations
* @covers ResourceLoaderStartUpModule
* @covers ResourceLoader::makeLoaderRegisterScript
*/
public function testGetModuleRegistrations( $case ) {
$extraQuery = $case['extraQuery'] ?? [];
$context = $this->getResourceLoaderContext( $extraQuery );
$rl = $context->getResourceLoader();
if ( isset( $case['sources'] ) ) {
$rl->addSource( $case['sources'] );
}
$rl->register( $case['modules'] );
$module = new ResourceLoaderStartUpModule();
$out = ltrim( $case['out'], "\n" );
// Disable log from getModuleRegistrations via MWExceptionHandler
// for case where getVersionHash() is expected to throw.
$this->setLogger( 'exception', new Psr\Log\NullLogger() );
$this->assertEquals(
self::expandPlaceholders( $out ),
$module->getModuleRegistrations( $context ),
$case['msg']
);
}
public static function provideRegistrations() {
return [
[ [
'test.blank' => [ 'class' => ResourceLoaderTestModule::class ],
'test.min' => [
'class' => ResourceLoaderTestModule::class,
'skipFunction' =>
'return !!(' .
' window.JSON &&' .
' JSON.parse &&' .
' JSON.stringify' .
');',
'dependencies' => [
'test.blank',
],
],
] ]
];
}
/**
* @covers ResourceLoaderStartUpModule::getModuleRegistrations
* @dataProvider provideRegistrations
*/
public function testRegistrationsMinified( $modules ) {
$context = $this->getResourceLoaderContext( [
'debug' => 'false',
] );
$rl = $context->getResourceLoader();
$rl->register( $modules );
$module = new ResourceLoaderStartUpModule();
$out = 'mw.loader.addSource({"local":"/w/load.php"});' . "\n"
. 'mw.loader.register(['
. '["test.blank","{blankVer}"],'
. '["test.min","{blankVer}",[0],null,null,'
. '"return!!(window.JSON\u0026\u0026JSON.parse\u0026\u0026JSON.stringify);"'
. ']]);';
$this->assertEquals(
self::expandPlaceholders( $out ),
$module->getModuleRegistrations( $context ),
'Minified output'
);
}
/**
* @covers ResourceLoaderStartUpModule::getModuleRegistrations
* @dataProvider provideRegistrations
*/
public function testRegistrationsUnminified( $modules ) {
$context = $this->getResourceLoaderContext( [
'debug' => 'true',
] );
$rl = $context->getResourceLoader();
$rl->register( $modules );
$module = new ResourceLoaderStartUpModule();
$out =
'mw.loader.addSource({
"local": "/w/load.php"
});
mw.loader.register([
[
"test.blank",
"{blankVer}"
],
[
"test.min",
"{blankVer}",
[
0
],
null,
null,
"return !!( window.JSON \u0026\u0026 JSON.parse \u0026\u0026 JSON.stringify);"
]
]);';
$this->assertEquals(
self::expandPlaceholders( $out ),
$module->getModuleRegistrations( $context ),
'Unminified output'
);
}
/**
* @covers ResourceLoaderStartupModule::getDefinitionSummary
*/
public function testGetVersionHash_varyConfig() {
$context = $this->getResourceLoaderContext();
$this->setMwGlobals( 'wgArticlePath', '/w1' );
$module = new ResourceLoaderStartUpModule();
$version1 = $module->getVersionHash( $context );
$module = new ResourceLoaderStartUpModule();
$version2 = $module->getVersionHash( $context );
$this->setMwGlobals( 'wgArticlePath', '/w3' );
$module = new ResourceLoaderStartUpModule();
$version3 = $module->getVersionHash( $context );
$this->assertEquals(
$version1,
$version2,
'Deterministic version hash'
);
$this->assertEquals(
$version1,
$version3,
'Config change no longer impacts version hash'
);
}
/**
* @covers ResourceLoaderStartupModule
*/
public function testGetVersionHash_varyModule() {
$context1 = $this->getResourceLoaderContext();
$rl1 = $context1->getResourceLoader();
$rl1->register( [
'test.a' => [ 'class' => ResourceLoaderTestModule::class ],
'test.b' => [ 'class' => ResourceLoaderTestModule::class ],
] );
$module = new ResourceLoaderStartUpModule();
$version1 = $module->getVersionHash( $context1 );
$context2 = $this->getResourceLoaderContext();
$rl2 = $context2->getResourceLoader();
$rl2->register( [
'test.b' => [ 'class' => ResourceLoaderTestModule::class ],
'test.c' => [ 'class' => ResourceLoaderTestModule::class ],
] );
$module = new ResourceLoaderStartUpModule();
$version2 = $module->getVersionHash( $context2 );
$context3 = $this->getResourceLoaderContext();
$rl3 = $context3->getResourceLoader();
$rl3->register( [
'test.a' => [ 'class' => ResourceLoaderTestModule::class ],
'test.b' => [
'class' => ResourceLoaderTestModule::class,
'script' => 'different',
],
] );
$module = new ResourceLoaderStartUpModule();
$version3 = $module->getVersionHash( $context3 );
// Module name *is* significant (T201686)
$this->assertNotEquals(
$version1,
$version2,
'Module name is significant'
);
$this->assertNotEquals(
$version1,
$version3,
'Hash change of any module impacts startup hash'
);
}
/**
* @covers ResourceLoaderStartUpModule
*/
public function testGetVersionHash_varyDeps() {
$context = $this->getResourceLoaderContext();
$rl = $context->getResourceLoader();
$rl->register( [
'test.a' => [
'class' => ResourceLoaderTestModule::class,
'dependencies' => [ 'x', 'y' ],
],
] );
$module = new ResourceLoaderStartUpModule();
$version1 = $module->getVersionHash( $context );
$context = $this->getResourceLoaderContext();
$rl = $context->getResourceLoader();
$rl->register( [
'test.a' => [
'class' => ResourceLoaderTestModule::class,
'dependencies' => [ 'x', 'z' ],
],
] );
$module = new ResourceLoaderStartUpModule();
$version2 = $module->getVersionHash( $context );
// Dependencies *are* significant (T201686)
$this->assertNotEquals(
$version1,
$version2,
'Dependencies are significant'
);
}
}
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