/*****************************************************************************
 * Open MCT, Copyright (c) 2014-2018, United States Government
 * as represented by the Administrator of the National Aeronautics and Space
 * Administration. All rights reserved.
 *
 * Open MCT is licensed under the Apache License, Version 2.0 (the
 * "License"); you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 * http://www.apache.org/licenses/LICENSE-2.0.
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
 * WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
 * License for the specific language governing permissions and limitations
 * under the License.
 *
 * Open MCT includes source code licensed under additional open source
 * licenses. See the Open Source Licenses file (LICENSES.md) included with
 * this source code distribution or the Licensing information page available
 * at runtime from the About dialog for additional information.
 *****************************************************************************/

define(
    ["../src/MCTToolbar"],
    function (MCTToolbar) {

        describe("The mct-toolbar directive", function () {
            var mockScope,
                mockOpenMCT,
                mockSelection,
                mctToolbar;

            function installController() {
                var Controller = mctToolbar.controller[2];
                return new Controller(mockScope, mockOpenMCT);
            }

            beforeEach(function () {
                mockScope = jasmine.createSpyObj("$scope", [
                    "$watch",
                    "$on"
                ]);
                mockScope.$parent = {};
                mockSelection = jasmine.createSpyObj("selection", [
                    'on',
                    'off'
                ]);
                mockOpenMCT = {
                    selection: mockSelection
                };
                mctToolbar = new MCTToolbar();
            });

            it("is restricted to elements", function () {
                expect(mctToolbar.restrict).toEqual("E");
            });

            it("listens for selection change event", function () {
                installController();

                expect(mockOpenMCT.selection.on).toHaveBeenCalledWith(
                    "change",
                    jasmine.any(Function)
                );
            });

            it("allows strings to be converted to RegExps", function () {
                // This is needed to support ng-pattern in the template
                installController();

                // Should have added getRegExp to the scope,
                // to convert strings to regular expressions
                expect(mockScope.getRegExp("^\\d+$")).toEqual(/^\d+$/);
            });

            it("returns the same regexp instance for the same string", function () {
                // Don't want new instances each digest cycle, for performance
                var strRegExp = "^[a-z]\\d+$",
                    regExp;

                // Add getRegExp to scope
                installController();
                regExp = mockScope.getRegExp(strRegExp);

                // Same object instance each time...
                expect(mockScope.getRegExp(strRegExp)).toBe(regExp);
                expect(mockScope.getRegExp(strRegExp)).toBe(regExp);
            });

            it("passes RegExp objects through untouched", function () {
                // Permit using forms to simply provide their own RegExp object
                var regExp = /^\d+[a-d]$/;

                // Add getRegExp to scope
                installController();

                // Should have added getRegExp to the scope,
                // to convert strings to regular expressions
                expect(mockScope.getRegExp(regExp)).toBe(regExp);
            });

            it("passes a non-whitespace regexp when no pattern is defined", function () {
                // If no pattern is supplied, ng-pattern should match anything
                installController();
                expect(mockScope.getRegExp()).toEqual(/\S/);
                expect(mockScope.getRegExp(undefined)).toEqual(/\S/);
            });


        });
    }
);