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<?php |
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|
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namespace Minify\Test; |
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|
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use Exception; |
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use Minify_ClosureCompiler; |
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|
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class MinifyClosureCompilerTest extends TestCase |
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{ |
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public static function setupBeforeClass() |
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{ |
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parent::setupBeforeClass(); |
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Minify_ClosureCompiler::$isDebug = true; |
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|
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// To test more functionality, download a compiler.jar from |
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// https://github.com/google/closure-compiler#getting-started, |
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// put it under tests dir as 'compiler.jar' |
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|
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// set minimum necessary settings |
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Minify_ClosureCompiler::$jarFile = __DIR__ . DIRECTORY_SEPARATOR . 'compiler.jar'; |
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Minify_ClosureCompiler::$tempDir = sys_get_temp_dir(); |
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} |
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|
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/* |
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* Test minimisation w/o setting the necessary settings |
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*/ |
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public function test1() |
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{ |
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// clear params |
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Minify_ClosureCompiler::$jarFile = null; |
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Minify_ClosureCompiler::$tempDir = null; |
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try { |
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Minify_ClosureCompiler::minify(''); |
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$this->fail(); |
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} catch (Exception $e) { |
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$this->assertInstanceOf('Minify_ClosureCompiler_Exception', $e); |
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} |
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// redo init to make other tests pass |
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self::setupBeforeClass(); |
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} |
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|
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/** |
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* Test minimisation with the minimum necessary settings |
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*/ |
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public function test2() |
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{ |
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$this->assertHasJar(); |
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$src = " |
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(function (window, undefined){ |
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function addOne(input) { |
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return 1 + input; |
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} |
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window.addOne = addOne; |
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window.undefined = undefined; |
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})(window); |
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"; |
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$minExpected = "(function(a,b){a.addOne=function(a){return 1+a};a.undefined=b})(window);"; |
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$minOutput = Minify_ClosureCompiler::minify($src); |
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$this->assertSame($minExpected, $minOutput, 'minimum necessary settings'); |
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} |
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|
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/** |
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* Test minimisation with advanced compilation level |
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*/ |
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public function test3() |
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{ |
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$this->assertHasJar(); |
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$src = "function unused() {};"; |
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$minExpected = ''; |
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$options = array( |
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'compilation_level' => 'ADVANCED_OPTIMIZATIONS' |
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); |
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$minOutput = Minify_ClosureCompiler::minify($src, $options); |
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$this->assertSame($minExpected, $minOutput, 'advanced optimizations'); |
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} |
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|
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/** |
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* Test that closure compiler does not produce unneeded noise |
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* |
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* @see https://code.google.com/p/closure-compiler/issues/detail?id=513 |
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* |
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* NOTE: this test does not actually cover it, result is manually verified. |
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*/ |
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public function test4() |
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{ |
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$this->assertHasJar(); |
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|
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$src = $this->getDataFile('bug-513.js'); |
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$minExpected = 'var a=4;'; |
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$minOutput = Minify_ClosureCompiler::minify($src); |
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$this->assertSame($minExpected, $minOutput, 'advanced optimizations'); |
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} |
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|
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/** |
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* Test that language_in parameter has effect. |
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*/ |
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public function testLanguageOptions() |
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{ |
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$this->assertHasJar(); |
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|
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$src = $this->getDataFile('js/jscomp.polyfill.js'); |
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$exp = $this->getDataFile('js/jscomp.polyfill.min.js'); |
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$options = array( |
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'language_in' => 'ECMASCRIPT3', |
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); |
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|
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$res = Minify_ClosureCompiler::minify($src, $options); |
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$this->assertSame($exp, $res); |
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|
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$options = array( |
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'language_in' => 'ECMASCRIPT6', |
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); |
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$exp = $this->getDataFile('js/jscomp.polyfilled.min.js'); |
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$res = Minify_ClosureCompiler::minify($src, $options); |
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$this->assertSame($exp, $res); |
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} |
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|
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protected function assertHasJar() |
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{ |
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$this->assertNotEmpty(Minify_ClosureCompiler::$jarFile); |
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try { |
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$this->assertFileExists(Minify_ClosureCompiler::$jarFile, "Have closure compiler compiler.jar"); |
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} catch (Exception $e) { |
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$this->markTestSkipped($e->getMessage()); |
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} |
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} |
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} |
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|
