atom/HTML/ace/mode/javascript_tokenizer_test.js

/* ***** BEGIN LICENSE BLOCK *****
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 *
 * The contents of this file are subject to the Mozilla Public License Version
 * 1.1 (the "License"); you may not use this file except in compliance with
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 *
 * Software distributed under the License is distributed on an "AS IS" basis,
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 * License.
 *
 * The Original Code is Ajax.org Code Editor (ACE).
 *
 * The Initial Developer of the Original Code is
 * Ajax.org B.V.
 * Portions created by the Initial Developer are Copyright (C) 2010
 * the Initial Developer. All Rights Reserved.
 *
 * Contributor(s):
 *      Fabian Jakobs <fabian AT ajax DOT org>
 *
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 * either the GNU General Public License Version 2 or later (the "GPL"), or
 * the GNU Lesser General Public License Version 2.1 or later (the "LGPL"),
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if (typeof process !== "undefined") {
    require("../../../support/paths");
}

define(function(require, exports, module) {

var JavaScriptMode = require("ace/mode/javascript").Mode;
var assert = require("ace/test/assertions");

module.exports = {
    
    name: "JavaScript Tokenizer",
    
    setUp : function() {
        this.tokenizer = new JavaScriptMode().getTokenizer();
    },

    "test: tokenize1" : function() {
        var line = "foo = function";

        var tokens = this.tokenizer.getLineTokens(line, "start").tokens;

        assert.equal(5, tokens.length);
        assert.equal("identifier", tokens[0].type);
        assert.equal("text", tokens[1].type);
        assert.equal("keyword.operator", tokens[2].type);
        assert.equal("text", tokens[3].type);
        assert.equal("keyword", tokens[4].type);
    },

    "test: tokenize doc comment" : function() {
        var line = "abc /** de */ fg";

        var tokens = this.tokenizer.getLineTokens(line, "start").tokens;

        assert.equal(5, tokens.length);
        assert.equal("identifier", tokens[0].type);
        assert.equal("text", tokens[1].type);
        assert.equal("comment.doc", tokens[2].type);
        assert.equal("text", tokens[3].type);
        assert.equal("identifier", tokens[4].type);
    },

    "test: tokenize doc comment with tag" : function() {
        var line = "/** @param {} */";

        var tokens = this.tokenizer.getLineTokens(line, "start").tokens;

        assert.equal(3, tokens.length);
        assert.equal("comment.doc", tokens[0].type);
        assert.equal("comment.doc.tag", tokens[1].type);
        assert.equal("comment.doc", tokens[2].type);
    },

    "test: tokenize parens" : function() {
        var line = "[{( )}]";

        var tokens = this.tokenizer.getLineTokens(line, "start").tokens;

        assert.equal(7, tokens.length);
        assert.equal("lparen", tokens[0].type);
        assert.equal("lparen", tokens[1].type);
        assert.equal("lparen", tokens[2].type);
        assert.equal("text", tokens[3].type);
        assert.equal("rparen", tokens[4].type);
        assert.equal("rparen", tokens[5].type);
        assert.equal("rparen", tokens[6].type);
    },

    "test for last rule in ruleset to catch capturing group bugs" : function() {
        var tokens = this.tokenizer.getLineTokens("}", "start").tokens;

        assert.equal(1, tokens.length);
        assert.equal("rparen", tokens[0].type);
    },

    "test tokenize arithmetic expression which looks like a regexp": function() {
        var tokens = this.tokenizer.getLineTokens("a/b/c", "start").tokens;
        assert.equal(5, tokens.length);

        var tokens = this.tokenizer.getLineTokens("a/=b/c", "start").tokens;
        assert.equal(5, tokens.length);
    },

    "test tokenize reg exps" : function() {
        var tokens = this.tokenizer.getLineTokens("a=/b/g", "start").tokens;
        assert.equal(3, tokens.length);
        assert.equal("string.regexp", tokens[2].type);
        
        var tokens = this.tokenizer.getLineTokens("a+/b/g", "start").tokens;
        assert.equal(3, tokens.length);
        assert.equal("string.regexp", tokens[2].type);
        
        var tokens = this.tokenizer.getLineTokens("a = 1 + /2 + 1/b", "start").tokens;
        assert.equal(9, tokens.length);
        assert.equal("string.regexp", tokens[8].type);

        var tokens = this.tokenizer.getLineTokens("a=/a/ / /a/", "start").tokens;
        assert.equal(7, tokens.length);
        assert.equal("string.regexp", tokens[2].type);
        assert.equal("string.regexp", tokens[6].type);
    },
    

    "test tokenize identifier with umlauts": function() {
        var tokens = this.tokenizer.getLineTokens("füße", "start").tokens;
        assert.equal(1, tokens.length);
    }
};

});

if (typeof module !== "undefined" && module === require.main) {
    require("asyncjs").test.testcase(module.exports).exec()
}