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-rw-r--r--tests/phpunit/includes/libs/JavaScriptMinifierTest.php105
1 files changed, 105 insertions, 0 deletions
diff --git a/tests/phpunit/includes/libs/JavaScriptMinifierTest.php b/tests/phpunit/includes/libs/JavaScriptMinifierTest.php
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+++ b/tests/phpunit/includes/libs/JavaScriptMinifierTest.php
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+<?php
+
+class JavaScriptMinifierTest extends MediaWikiTestCase {
+
+ function provideCases() {
+ return array(
+ // Basic tokens
+ array( "\r\t\f \v\n\r", "" ),
+ array( "/* Foo *\n*bar\n*/", "" ),
+ /**
+ * ' Foo \' bar \
+ * baz \' quox ' .
+ */
+ array( "' Foo \\' bar \\\n baz \\' quox ' .length", "' Foo \\' bar \\\n baz \\' quox '.length" ),
+ array( "\" Foo \\\" bar \\\n baz \\\" quox \" .length", "\" Foo \\\" bar \\\n baz \\\" quox \".length" ),
+ array( "// Foo b/ar baz", "" ),
+ array( "/ Foo \\/ bar [ / \\] / ] baz / .length", "/ Foo \\/ bar [ / \\] / ] baz /.length" ),
+ // HTML comments
+ array( "<!-- Foo bar", "" ),
+ array( "<!-- Foo --> bar", "" ),
+ array( "--> Foo", "" ),
+ array( "x --> y", "x-->y" ),
+ // Semicolon insertion
+ array( "(function(){return\nx;})", "(function(){return\nx;})" ),
+ array( "throw\nx;", "throw\nx;" ),
+ array( "while(p){continue\nx;}", "while(p){continue\nx;}" ),
+ array( "while(p){break\nx;}", "while(p){break\nx;}" ),
+ array( "var\nx;", "var x;" ),
+ array( "x\ny;", "x\ny;" ),
+ array( "x\n++y;", "x\n++y;" ),
+ array( "x\n!y;", "x\n!y;" ),
+ array( "x\n{y}", "x\n{y}" ),
+ array( "x\n+y;", "x+y;" ),
+ array( "x\n(y);", "x(y);" ),
+ array( "5.\nx;", "5.\nx;" ),
+ array( "0xFF.\nx;", "0xFF.x;" ),
+ array( "5.3.\nx;", "5.3.x;" ),
+ // Token separation
+ array( "x in y", "x in y" ),
+ array( "/x/g in y", "/x/g in y" ),
+ array( "x in 30", "x in 30" ),
+ array( "x + ++ y", "x+ ++y" ),
+ array( "x / /y/.exec(z)", "x/ /y/.exec(z)" ),
+ // State machine
+ array( "/ x/g", "/ x/g" ),
+ array( "(function(){return/ x/g})", "(function(){return/ x/g})" ),
+ array( "+/ x/g", "+/ x/g" ),
+ array( "++/ x/g", "++/ x/g" ),
+ array( "x/ x/g", "x/x/g" ),
+ array( "(/ x/g)", "(/ x/g)" ),
+ array( "if(/ x/g);", "if(/ x/g);" ),
+ array( "(x/ x/g)", "(x/x/g)" ),
+ array( "([/ x/g])", "([/ x/g])" ),
+ array( "+x/ x/g", "+x/x/g" ),
+ array( "{}/ x/g", "{}/ x/g" ),
+ array( "+{}/ x/g", "+{}/x/g" ),
+ array( "(x)/ x/g", "(x)/x/g" ),
+ array( "if(x)/ x/g", "if(x)/ x/g" ),
+ array( "for(x;x;{}/ x/g);", "for(x;x;{}/x/g);" ),
+ array( "x;x;{}/ x/g", "x;x;{}/ x/g" ),
+ array( "x:{}/ x/g", "x:{}/ x/g" ),
+ array( "switch(x){case y?z:{}/ x/g:{}/ x/g;}", "switch(x){case y?z:{}/x/g:{}/ x/g;}" ),
+ array( "function x(){}/ x/g", "function x(){}/ x/g" ),
+ array( "+function x(){}/ x/g", "+function x(){}/x/g" ),
+
+ // Tests for things that broke in the past
+ // Multiline quoted string
+ array( "var foo=\"\\\nblah\\\n\";", "var foo=\"\\\nblah\\\n\";" ),
+ // Multiline quoted string followed by string with spaces
+ array( "var foo=\"\\\nblah\\\n\";\nvar baz = \" foo \";\n", "var foo=\"\\\nblah\\\n\";var baz=\" foo \";" ),
+ // URL in quoted string ( // is not a comment)
+ array( "aNode.setAttribute('href','http://foo.bar.org/baz');", "aNode.setAttribute('href','http://foo.bar.org/baz');" ),
+ // URL in quoted string after multiline quoted string
+ array( "var foo=\"\\\nblah\\\n\";\naNode.setAttribute('href','http://foo.bar.org/baz');", "var foo=\"\\\nblah\\\n\";aNode.setAttribute('href','http://foo.bar.org/baz');" ),
+ // Division vs. regex nastiness
+ array( "alert( (10+10) / '/'.charCodeAt( 0 ) + '//' );", "alert((10+10)/'/'.charCodeAt(0)+'//');" ),
+ array( "if(1)/a /g.exec('Pa ss');", "if(1)/a /g.exec('Pa ss');" ),
+
+ // newline insertion after 1000 chars: break after the "++", not before
+ array( str_repeat( ';', 996 ) . "if(x++);", str_repeat( ';', 996 ) . "if(x++\n);" ),
+
+ // Unicode letter characters should pass through ok in identifiers (bug 31187)
+ array( "var KaĊSkatolVal = {}", 'var KaĊSkatolVal={}'),
+ // And also per spec unicode char escape values should work in identifiers,
+ // as long as it's a valid char. In future it might get normalized.
+ array( "var Ka\\u015dSkatolVal = {}", 'var Ka\\u015dSkatolVal={}'),
+ );
+ }
+
+ /**
+ * @dataProvider provideCases
+ */
+ function testJavaScriptMinifierOutput( $code, $expectedOutput ) {
+ $minified = JavaScriptMinifier::minify( $code );
+
+ // JSMin+'s parser will throw an exception if output is not valid JS.
+ // suppression of warnings needed for stupid crap
+ wfSuppressWarnings();
+ $parser = new JSParser();
+ wfRestoreWarnings();
+ $parser->parse( $minified, 'minify-test.js', 1 );
+
+ $this->assertEquals( $expectedOutput, $minified, "Minified output should be in the form expected." );
+ }
+}