source: Dev/trunk/src/client/util/shrinksafe/tests/module.js

dojo.provide("shrinksafe.tests.module");

// basic helper functions for running multiple tests.
shrinksafe.tests.module.getContents = function(path){
        // summary:
        //              Load a file from this /tests/ path into a variable
        path = "../shrinksafe/tests/" + path;
        return readFile(path); // String
};

shrinksafe.tests.module.compress = function(source, stripConsole, escapeUnicode){
        // summary:
        //              Shorthand to compress some String version of JS code
        return new String(Packages.org.dojotoolkit.shrinksafe.Compressor.compressScript(source, 0, 1, escapeUnicode, stripConsole)).toString();
};

shrinksafe.tests.module.loader = function(path, stripConsole, escapeUnicode){
        // summary:
        //              Simple function to load and compress some file. Returns and object
        //              with 'original' and 'compressed' members, respectively.
        var s = shrinksafe.tests.module.getContents(path);
        return {
                original: s,
                compressed: shrinksafe.tests.module.compress(s, stripConsole, escapeUnicode || false)
        };
};

try{
        tests.register("shrinksafe",
        [
                function forwardReference(t){
                        
                        var src = shrinksafe.tests.module.loader("3241.js", null);

                        t.assertTrue(src.original.length > src.compressed.length);
                        t.assertTrue(src.compressed.indexOf("test") == -1)

                        eval(src.compressed);
                        t.assertEqual("data", result);
                        delete result;
                },

                function nestedReference(t){
                        var src = shrinksafe.tests.module.loader("5303.js", null);
                        
                        t.assertTrue(src.original.length > src.compressed.length);
                        t.assertTrue(src.compressed.indexOf("say_hello") == -1)
                        t.assertTrue(src.compressed.indexOf("callback") == -1)

                        eval(src.compressed);
                        // make sure it runs to completion
                        t.assertEqual("hello worldhello world", result);
                        // globals must not be renamed
                        t.assertEqual("function", typeof CallMe);
                        delete result;
                },
                
                function varConflict(t){
                        // ensuring a shrunken variable won't overwrite an existing variable
                        // name, regardless of scope.
                        var src = shrinksafe.tests.module.loader("8974.js", null);

                        t.assertTrue(src.original.length > src.compressed.length);
                        t.assertTrue(src.compressed.indexOf("variabletwo") == -1)

                        eval(src.compressed);
                        t.assertEqual(-1, result);
                        delete result;
                },
                
                function varlists(t){
                        // test to ensure var a, b, c; always works
                        var src = shrinksafe.tests.module.loader("1768.js", null);
                        
                        // ensure the things we expect to hide are hidden
                        t.t(src.compressed.indexOf("superlong") == -1);
                        t.t(src.compressed.indexOf("aFunction") == -1);
                        t.t(src.compressed.indexOf("inList") == -1);
                        
                        // sanity checking:
                        var boo = eval(src.compressed);
                        t.is(4, result);
                        delete result;
                        
                },
                
                function stripConsoleNormal(t){
                        var src = shrinksafe.tests.module.loader("stripconsole.js", "normal");

                        t.assertTrue(src.compressed.indexOf("console.debug(\"debug here!\"") == -1)
                        t.assertTrue(src.compressed.indexOf("console.warn(\"warn here!\")") != -1)
                        t.assertTrue(src.compressed.indexOf("console.error(\"error here!\")") != -1)

                        eval(src.compressed);
                        // make sure expected output occurs.
                        t.assertEqual("WARN: warn here!ERROR: error here!notconsole debug here!notconsole warn here!", result);
                        delete result;
                },

                function stripConsoleWarns(t){
                        var src = shrinksafe.tests.module.loader("stripconsole.js", "warn");

                        t.assertTrue(src.original.length > src.compressed.length);
                        t.assertTrue(src.compressed.indexOf("console.debug(\"debug here!\"") == -1)
                        t.assertTrue(src.compressed.indexOf("console.warn(\"warn here!\")") == -1)
                        t.assertTrue(src.compressed.indexOf("console.error(\"error here!\")") != -1)

                        eval(src.compressed);
                        // make sure expected output occurs.
                        t.assertEqual("ERROR: error here!notconsole debug here!notconsole warn here!", result);
                        delete result;
                },

                function stripConsoleAll(t){
                        var src = shrinksafe.tests.module.loader("stripconsole.js", "all");

                        t.assertTrue(src.original.length > src.compressed.length);
                        t.assertTrue(src.compressed.indexOf("console.debug(\"debug here!\"") == -1)
                        t.assertTrue(src.compressed.indexOf("console.warn(\"warn here!\")") == -1)
                        t.assertTrue(src.compressed.indexOf("console.error(\"error here!\")") == -1)

                        eval(src.compressed);
                        // make sure expected output occurs.
                        t.assertEqual("notconsole debug here!notconsole warn here!", result);
                        delete result;
                },

                function stripConsoleComplex(t){
                        var src = shrinksafe.tests.module.loader("stripcomplex.js", "normal");

                        t.assertTrue(src.original.length > src.compressed.length);

                        eval(src.compressed);
                        // make sure expected output occurs.
                        t.assertEqual("ERROR: wooosome \\ dodgy \" characters *$!?//3-3fn saw arg 'wooo'.ERROR: Error return statement.", result);
                        delete result;
                },

                function debuggerCall(t){
                        // make sure we don't die when we find a debugger; statement
                        var src = shrinksafe.tests.module.loader("9444.js", null);
                        t.t(src.compressed.indexOf("debugger") > -1);
                },
                
                function nestedReference(t){
                        var src = shrinksafe.tests.module.loader("9676.js", null);
                        eval(src.compressed); // will throw on failure
                        t.assertEqual(6, result);
                        delete result;
                },

                function escapeUnicode(t){
                        var src = shrinksafe.tests.module.loader("escapeunicode.js", null);
                        t.assertTrue(src.compressed.indexOf('"\u03b1";') == 0);
                        t.assertTrue(src.compressed.indexOf('_\\x00_') > 0);
                        t.assertTrue(src.compressed.indexOf('_\ufffd_') > 0);
                        t.assertTrue(src.compressed.indexOf('_\\ufffe_') > 0);
                        t.assertTrue(src.compressed.indexOf('_\\uffff_') > 0);
//                      t.is('"\u03b1 \u03c9";', src.compressed); // extended test isn't working... encoding problem with input?

                        src = shrinksafe.tests.module.loader("escapeunicode.js", null, true);
                        t.assertTrue(src.compressed.indexOf('"\\u03b1";') == 0);
                        t.assertTrue(src.compressed.indexOf('_\\x00_') > 0);
                        t.assertTrue(src.compressed.indexOf('_\\ufffd_') > 0);
                        t.assertTrue(src.compressed.indexOf('_\\ufffe_') > 0);
                        t.assertTrue(src.compressed.indexOf('_\\uffff_') > 0);
//                      t.is('"\\u03b1 \\u03c9";', src.compressed);
                },

                function mungeStrings(t){
                        
                        // this test is skipped intentionally. You must manually enabled the
                        // code in Compressor.java which enables this functionality. The functionality
                        // is not considered completely "safe" and thus has been disabled.
                        // simply uncomment the block in Compressor.java to reinstate functionality.
                        // original patch came under [ccla]. See bugs.dojotoolkit.org/ticket/8828
                        return;
                        
                        var src = shrinksafe.tests.module.loader("8828.js");
                        
                        t.t(src.compressed.indexOf("ab") > -1); // basic test
                        t.t(src.compressed.indexOf('"a"+n') > -1); // basic expected miss
                        t.t(src.compressed.indexOf('thisisatestspanning"+h') > -1);
                        t.t(src.compressed.indexOf("testingmultiplelines") > -1);
                        t.t(src.compressed.indexOf("testingcombined\"+") > -1);
                        
                        var boo = eval(src.compressed);
                        t.is(5, result.length);
                        
                        t.t(result[3].indexOf("TheQuickredFox") > -1); // complex var post eval
                        t.is(result[4], "thisisatestspanning4lines"); // multiline post eval
                        
                        delete result;
                        
                        var expected = [
                                "testing","testbarsimple",
                                "testingcombinedbarvariables",
                                "test \"+weird syntax",
                                "testbasic",
                                "test \"mixed\"",
                                "testingmultiplelines",
                                "test \"mixed\" andmunge",
                                "test",
                                "tesbart",
                                "\"slightly\"+\"off\"",
                                // fails:
                                "falseb", "falseb", "falseb"
                        ];
                        
                        var data = string_tests();
                        data.forEach(function(str, i){
                                t.is(expected[i], str);
                        });
                        
                        delete string_tests;
                }
        ]);
}catch(e){
        doh.debug(e);
}