brackets/test/spec/CommandManager-test.js

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/*jslint vars: true, plusplus: true, devel: true, browser: true, nomen: true, indent: 4, maxerr: 50 */
/*global define, describe, beforeEach, afterEach, it, runs, waitsFor, expect, brackets, $ */

define(function (require, exports, module) {
    'use strict';
    
    // Load dependent modules
    var CommandManager = require("command/CommandManager");
    
    describe("CommandManager", function () {

        var commandID = "commandID";

        var executed;
        var testCommandFn = function () { executed = true; };

        beforeEach(function () {
            executed = false;
            CommandManager._testReset();
        });

        afterEach(function () {
            CommandManager._testRestore();
        });
        
        it("register and get a command and validate parameters", function () {
            var command = CommandManager.register("test command", commandID, testCommandFn);
            expect(command).toBeTruthy();
            expect(command.getName()).toBe("test command");
            expect(command.getID()).toBe(commandID);
            expect(command.getEnabled()).toBeTruthy();
            expect(command.getChecked()).toBe(undefined);
            expect(command._commandFn).toBe(testCommandFn);

            // duplicate command
            expect(CommandManager.register("test command", commandID, testCommandFn)).toBeFalsy();

            // missing arguments
            expect(function () { CommandManager.register(null, "test-command-id2", testCommandFn); }).toThrow();
            expect(function () { CommandManager.register("test command", null, testCommandFn); }).toThrow();
            expect(function () { CommandManager.register("test command", "test-command-id2", null); }).toThrow();

        });

        it("execute a command", function () {
            var command = CommandManager.register("test command", commandID, testCommandFn);
            command.execute();
            expect(executed).toBeTruthy();
        });

        it("not execute a disabled command", function () {
            var command = CommandManager.register("test command", commandID, testCommandFn);
            command.setEnabled(false);
            command.execute();
            expect(executed).toBeFalsy();
        });

        it("set enabled state and trigger enabledStateChange", function () {
            var eventTriggered = false;
            var command = CommandManager.register("test command", commandID, testCommandFn);
            $(command).on("enabledStateChange", function () {
                eventTriggered = true;
            });
            command.setEnabled(false);
            expect(eventTriggered).toBeTruthy();
            expect(command.getEnabled()).toBeFalsy();
        });

        it("set checked state and trigger checkedStateChange", function () {
            var eventTriggered = false;
            var command = CommandManager.register("test command", commandID, testCommandFn);
            $(command).on("checkedStateChange", function () {
                eventTriggered = true;
            });
            command.setChecked(true);
            expect(eventTriggered).toBeTruthy();
            expect(command.getChecked()).toBeTruthy();
        });

        it("rename command trigger nameChange", function () {
            var eventTriggered = false;
            var command = CommandManager.register("test command", commandID, testCommandFn);
            $(command).on("nameChange", function () {
                eventTriggered = true;
            });
            command.setName("newName");
            expect(eventTriggered).toBeTruthy();
            expect(command.getName()).toBe("newName");
        });
    });
});