mirror of
https://github.com/nasa/openmct.git
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111 lines
4.2 KiB
JavaScript
111 lines
4.2 KiB
JavaScript
/*****************************************************************************
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* Open MCT, Copyright (c) 2014-2017, United States Government
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* as represented by the Administrator of the National Aeronautics and Space
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* Administration. All rights reserved.
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*
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* Open MCT is licensed under the Apache License, Version 2.0 (the
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* "License"); you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at
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* http://www.apache.org/licenses/LICENSE-2.0.
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
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* WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
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* License for the specific language governing permissions and limitations
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* under the License.
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*
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* Open MCT includes source code licensed under additional open source
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* licenses. See the Open Source Licenses file (LICENSES.md) included with
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* this source code distribution or the Licensing information page available
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* at runtime from the About dialog for additional information.
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*****************************************************************************/
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/*global define,describe,it,expect,beforeEach,jasmine*/
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define(
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["../../src/services/Transaction"],
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function (Transaction) {
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describe("A Transaction", function () {
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var mockLog,
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transaction;
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beforeEach(function () {
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mockLog = jasmine.createSpyObj(
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'$log',
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['warn', 'info', 'error', 'debug']
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);
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transaction = new Transaction(mockLog);
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});
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it("initially has a size of zero", function () {
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expect(transaction.size()).toEqual(0);
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});
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describe("when callbacks are added", function () {
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var mockCommit,
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mockCancel,
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remove;
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beforeEach(function () {
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mockCommit = jasmine.createSpy('commit');
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mockCancel = jasmine.createSpy('cancel');
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remove = transaction.add(mockCommit, mockCancel);
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});
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it("reports a new size", function () {
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expect(transaction.size()).toEqual(1);
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});
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it("returns a function to remove those callbacks", function () {
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expect(remove).toEqual(jasmine.any(Function));
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remove();
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expect(transaction.size()).toEqual(0);
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});
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describe("and the transaction is committed", function () {
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beforeEach(function () {
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transaction.commit();
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});
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it("triggers the commit callback", function () {
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expect(mockCommit).toHaveBeenCalled();
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});
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it("does not trigger the cancel callback", function () {
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expect(mockCancel).not.toHaveBeenCalled();
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});
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});
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describe("and the transaction is cancelled", function () {
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beforeEach(function () {
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transaction.cancel();
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});
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it("triggers the cancel callback", function () {
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expect(mockCancel).toHaveBeenCalled();
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});
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it("does not trigger the commit callback", function () {
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expect(mockCommit).not.toHaveBeenCalled();
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});
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});
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describe("and an exception is encountered during commit", function () {
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beforeEach(function () {
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mockCommit.andCallFake(function () {
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throw new Error("test error");
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});
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transaction.commit();
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});
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it("logs an error", function () {
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expect(mockLog.error).toHaveBeenCalled();
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});
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});
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});
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});
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}
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);
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