CSSMinTest.php

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<?php
class CSSMinTest extends MediaWikiTestCase {
        protected $oldServer = null, $oldCanServer = null;

        function setUp() {
                parent::setUp();

                // Fake $wgServer and $wgCanonicalServer
                global $wgServer, $wgCanonicalServer;
                $this->oldServer = $wgServer;
                $this->oldCanServer = $wgCanonicalServer;
                $wgServer = $wgCanonicalServer = 'http://wiki.example.org';
        }

        function tearDown() {
                // Restore $wgServer and $wgCanonicalServer
                global $wgServer, $wgCanonicalServer;
                $wgServer = $this->oldServer;
                $wgCanonicalServer = $this->oldCanServer;

                parent::tearDown();
        }

        function testMinify( $code, $expectedOutput ) {
                $minified = CSSMin::minify( $code );

                $this->assertEquals( $expectedOutput, $minified, 'Minified output should be in the form expected.' );
        }

        function provideMinifyCases() {
                return array(
                        // Whitespace
                        array( "\r\t\f \v\n\r", "" ),
                        array( "foo, bar {\n\tprop: value;\n}", "foo,bar{prop:value}" ),

                        // Loose comments
                        array( "/* foo */", "" ),
                        array( "/*******\n foo\n *******/", "" ),
                        array( "/*!\n foo\n */", "" ),

                        // Inline comments in various different places
                        array( "/* comment */foo, bar {\n\tprop: value;\n}", "foo,bar{prop:value}" ),
                        array( "foo/* comment */, bar {\n\tprop: value;\n}", "foo,bar{prop:value}" ),
                        array( "foo,/* comment */ bar {\n\tprop: value;\n}", "foo,bar{prop:value}" ),
                        array( "foo, bar/* comment */ {\n\tprop: value;\n}", "foo,bar{prop:value}" ),
                        array( "foo, bar {\n\t/* comment */prop: value;\n}", "foo,bar{prop:value}" ),
                        array( "foo, bar {\n\tprop: /* comment */value;\n}", "foo,bar{prop:value}" ),
                        array( "foo, bar {\n\tprop: value /* comment */;\n}", "foo,bar{prop:value }" ),
                        array( "foo, bar {\n\tprop: value; /* comment */\n}", "foo,bar{prop:value; }" ),

                        // Keep track of things that aren't as minified as much as they
                        // could be (bug 35493)
                        array( 'foo { prop: value ;}', 'foo{prop:value }' ),
                        array( 'foo { prop : value; }', 'foo{prop :value}' ),
                        array( 'foo { prop: value ; }', 'foo{prop:value }' ),
                        array( 'foo { font-family: "foo" , "bar"; }', 'foo{font-family:"foo" ,"bar"}' ),
                        array( "foo { src:\n\turl('foo') ,\n\turl('bar') ; }", "foo{src:url('foo') ,url('bar') }" ),

                        // Interesting cases with string values
                        // - Double quotes, single quotes
                        array( 'foo { content: ""; }', 'foo{content:""}' ),
                        array( "foo { content: ''; }", "foo{content:''}" ),
                        array( 'foo { content: "\'"; }', 'foo{content:"\'"}' ),
                        array( "foo { content: '\"'; }", "foo{content:'\"'}" ),
                        // - Whitespace in string values
                        array( 'foo { content: " "; }', 'foo{content:" "}' ),
                );
        }

        function testRemap( $message, $params, $expectedOutput ) {
                $remapped = call_user_func_array( 'CSSMin::remap', $params );

                $messageAdd = " Case: $message";
                $this->assertEquals( $expectedOutput, $remapped, 'CSSMin::remap should return the expected url form.' . $messageAdd );
        }

        function provideRemapCases() {
                // Parameter signature:
                // CSSMin::remap( $code, $local, $remote, $embedData = true )
                return array(
                        array(
                                'Simple case',
                                array( 'foo { prop: url(bar.png); }', false, 'http://example.org', false ),
                                'foo { prop: url(http://example.org/bar.png); }',
                        ),
                        array(
                                'Without trailing slash',
                                array( 'foo { prop: url(../bar.png); }', false, 'http://example.org/quux', false ),
                                'foo { prop: url(http://example.org/quux/../bar.png); }',
                        ),
                        array(
                                'With trailing slash on remote (bug 27052)',
                                array( 'foo { prop: url(../bar.png); }', false, 'http://example.org/quux/', false ),
                                'foo { prop: url(http://example.org/quux/../bar.png); }',
                        ),
                        array(
                                'Guard against stripping double slashes from query',
                                array( 'foo { prop: url(bar.png?corge=//grault); }', false, 'http://example.org/quux/', false ),
                                'foo { prop: url(http://example.org/quux/bar.png?corge=//grault); }',
                        ),
                        array(
                                'Expand absolute paths',
                                array( 'foo { prop: url(/w/skin/images/bar.png); }', false, 'http://example.org/quux', false ),
                                'foo { prop: url(http://wiki.example.org/w/skin/images/bar.png); }',
                        ),
                );
        }

        function testMinifyWithCSSStringValues( $code, $expectedOutput ) {
                $this->testMinifyOutput( $code, $expectedOutput );
        }

        function provideStringCases() {
                return array(
                        // String values should be respected
                        // - More than one space in a string value
                        array( 'foo { content: "  "; }', 'foo{content:"  "}' ),
                        // - Using a tab in a string value (turns into a space)
                        array( "foo { content: '\t'; }", "foo{content:'\t'}" ),
                        // - Using css-like syntax in string values
                        array( 'foo::after { content: "{;}"; position: absolute; }', 'foo::after{content:"{;}";position:absolute}' ),
                );
        }
}