specs for timer

spec/unit/server/modules/ServerTimer_Spec.js

@@ -0,0 +1,55 @@
+// TODO: clean up these deep relative paths? jsconfig.json is not working...
+const LOG_LEVEL = require("../../../../server/config/globals.js").LOG_LEVEL;
+const ServerTimer = require('../../../../server/modules/ServerTimer.js');
+const logger = require('../../../../server/modules/Logger.js')(LOG_LEVEL.DEBUG);
+
+describe('ServerTimer', () => {
+    let serverTimer;
+
+    it ('should run a timer for the specified time', async () => {
+        serverTimer = new ServerTimer(0, 0.001, 10, logger);
+        spyOn(global, 'clearTimeout');
+        await serverTimer.runTimer(false).then(() => {
+            expect(serverTimer.currentTimeInMillis).toBeLessThanOrEqual(0);
+            expect(clearTimeout).toHaveBeenCalledWith(serverTimer.ticking);
+        }).catch((e) => {
+            fail(e);
+        });
+    });
+
+    it ('should stop the timer', () => {
+        serverTimer = new ServerTimer(1, 0, 10, logger);
+        spyOn(global, 'clearTimeout');
+        serverTimer.runTimer(false).then(() => {
+            fail();
+        }).catch((e) => {
+            fail(e);
+        });
+        serverTimer.stopTimer();
+        expect(clearTimeout).toHaveBeenCalledWith(serverTimer.ticking);
+    });
+
+    it ('should stop and resume the timer', async () => {
+        serverTimer = new ServerTimer(0, 1, 10, logger);
+        spyOn(global, 'clearTimeout');
+        serverTimer.runTimer(false).then(() => {
+            fail();
+        }).catch((e) => {
+            fail(e);
+        });
+
+        await new Promise(function (resolve) {
+            setTimeout(function () {
+                serverTimer.stopTimer();
+                let timeRemainingWhenStopped = serverTimer.currentTimeInMillis;
+                serverTimer.resumeTimer();
+
+                expect(clearTimeout).toHaveBeenCalledTimes(1);
+                expect(serverTimer.totalTime).toEqual(timeRemainingWhenStopped);
+
+                serverTimer.stopTimer();
+                resolve();
+            }, 50);
+        });
+    });
+});