[LocalTimeSystem] Plugin tests (#3478)

src/plugins/localTimeSystem/pluginSpec.js

@@ -0,0 +1,114 @@
+/*****************************************************************************
+ * Open MCT, Copyright (c) 2014-2020, 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.
+ *****************************************************************************/
+
+import {
+    createOpenMct,
+    resetApplicationState
+} from 'utils/testing';
+
+describe("The local time", () => {
+    const LOCAL_FORMAT_KEY = 'local-format';
+    const LOCAL_SYSTEM_KEY = 'local';
+    const JUNK = "junk";
+    const TIMESTAMP = -14256000000;
+    const DATESTRING = '1969-07-20 12:00:00.000 am';
+    let openmct;
+
+    beforeEach((done) => {
+
+        openmct = createOpenMct();
+
+        openmct.install(openmct.plugins.LocalTimeSystem());
+
+        openmct.on('start', done);
+        openmct.startHeadless();
+
+    });
+
+    afterEach(() => {
+        return resetApplicationState(openmct);
+    });
+
+    describe("system", function () {
+
+        let localTimeSystem;
+
+        beforeEach(() => {
+            localTimeSystem = openmct.time.timeSystem(LOCAL_SYSTEM_KEY, {
+                start: 0,
+                end: 4
+            });
+        });
+
+        it("is installed", () => {
+            let timeSystems = openmct.time.getAllTimeSystems();
+            let local = timeSystems.find(ts => ts.key === LOCAL_SYSTEM_KEY);
+
+            expect(local).not.toEqual(-1);
+        });
+
+        it("can be set to be the main time system", () => {
+            expect(openmct.time.timeSystem().key).toBe(LOCAL_SYSTEM_KEY);
+        });
+
+        it("uses the local-format time format", () => {
+            expect(localTimeSystem.timeFormat).toBe(LOCAL_FORMAT_KEY);
+        });
+
+        it("is UTC based", () => {
+            expect(localTimeSystem.isUTCBased).toBe(true);
+        });
+
+        it("defines expected metadata", () => {
+            expect(localTimeSystem.key).toBe(LOCAL_SYSTEM_KEY);
+            expect(localTimeSystem.name).toBeDefined();
+            expect(localTimeSystem.cssClass).toBeDefined();
+            expect(localTimeSystem.durationFormat).toBeDefined();
+        });
+    });
+
+    describe("formatter can be obtained from the telemetry API and", () => {
+
+        let localTimeFormatter;
+        let dateString;
+        let timeStamp;
+
+        beforeEach(() => {
+            localTimeFormatter = openmct.telemetry.getFormatter(LOCAL_FORMAT_KEY);
+            dateString = localTimeFormatter.format(TIMESTAMP);
+            timeStamp = localTimeFormatter.parse(DATESTRING);
+        });
+
+        it("will format a timestamp in local time format", () => {
+            expect(localTimeFormatter.format(TIMESTAMP)).toBe(dateString);
+        });
+
+        it("will parse an local time Date String into milliseconds", () => {
+            expect(localTimeFormatter.parse(DATESTRING)).toBe(timeStamp);
+        });
+
+        it("will validate correctly", () => {
+            expect(localTimeFormatter.validate(DATESTRING)).toBe(true);
+            expect(localTimeFormatter.validate(JUNK)).toBe(false);
+        });
+    });
+});