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authorPierre Schmitz <pierre@archlinux.de>2013-09-04 05:51:59 +0200
committerPierre Schmitz <pierre@archlinux.de>2013-09-04 05:51:59 +0200
commit91e194556c52d2f354344f930419eef2dd6267f0 (patch)
tree0cd12490d3cd3499274017c9b799d0f738d3719e /tests/phpunit/includes/libs/JavaScriptMinifierTest.php
parent08aa4418c30cfc18ccc69a0f0f9cb9e17be6c196 (diff)
Update to MediaWiki 1.21.2
Diffstat (limited to 'tests/phpunit/includes/libs/JavaScriptMinifierTest.php')
-rw-r--r--tests/phpunit/includes/libs/JavaScriptMinifierTest.php170
1 files changed, 170 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 whitespace and comments that should be stripped entirely
+ array( "\r\t\f \v\n\r", "" ),
+ array( "/* Foo *\n*bar\n*/", "" ),
+
+ /**
+ * Slashes used inside block comments (bug 26931).
+ * At some point there was a bug that caused this comment to be ended at '* /',
+ * causing /M... to be left as the beginning of a regex.
+ */
+ array( "/**\n * Foo\n * {\n * 'bar' : {\n * //Multiple rules with configurable operators\n * 'baz' : false\n * }\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;" ),
+
+ // Semicolon insertion between an expression having an inline
+ // comment after it, and a statement on the next line (bug 27046).
+ array( "var a = this //foo bar \n for ( b = 0; c < d; b++ ) {}", "var a=this\nfor(b=0;c<d;b++){}" ),
+
+ // 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", "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" ),
+
+ // 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={}' ),
+
+ // 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={}' ),
+
+ // Some structures that might look invalid at first sight
+ array( "var a = 5.;", "var a=5.;" ),
+ array( "5.0.toString();", "5.0.toString();" ),
+ array( "5..toString();", "5..toString();" ),
+ array( "5...toString();", false ),
+ array( "5.\n.toString();", '5..toString();' ),
+ );
+ }
+
+ /**
+ * @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." );
+ }
+
+ function provideBug32548() {
+ return array(
+ array(
+ // This one gets interpreted all together by the prior code;
+ // no break at the 'E' happens.
+ '1.23456789E55',
+ ),
+ array(
+ // This one breaks under the bad code; splits between 'E' and '+'
+ '1.23456789E+5',
+ ),
+ array(
+ // This one breaks under the bad code; splits between 'E' and '-'
+ '1.23456789E-5',
+ ),
+ );
+ }
+
+ /**
+ * @dataProvider provideBug32548
+ */
+ function testBug32548Exponent( $num ) {
+ // Long line breaking was being incorrectly done between the base and
+ // exponent part of a number, causing a syntax error. The line should
+ // instead break at the start of the number.
+ $prefix = 'var longVarName' . str_repeat( '_', 973 ) . '=';
+ $suffix = ',shortVarName=0;';
+
+ $input = $prefix . $num . $suffix;
+ $expected = $prefix . "\n" . $num . $suffix;
+
+ $minified = JavaScriptMinifier::minify( $input );
+
+ $this->assertEquals( $expected, $minified, "Line breaks must not occur in middle of exponent" );
+ }
+}