test: add unit-tests for DoneAction.js

tests/DoneAction.test.js

@@ -0,0 +1,68 @@
+const execa = require('execa');
+const DoneAction = require("../modules/DoneAction");
+
+jest.mock('execa');
+
+const platforms = ["win32", "linux", "mac"];
+const actions = ["Lock", "Sleep", "Shutdown"];
+const actionLength = [4, 3, 3];
+
+beforeEach(() => {
+    jest.clearAllMocks();
+    jest.doMock('execa', () => {
+        const originalModule = jest.requireActual('execa')
+        return {
+            __esModule: true,
+            ...originalModule,
+            execa: jest.fn()
+        }
+    });
+});
+
+describe('execute', () => {
+    it('executes the chosen action', () => {
+        for(const platform of platforms) {
+            Object.defineProperty(process, "platform", {
+                value: platform
+            });
+            const instance = new DoneAction();
+            execa.mockResolvedValue("");
+            instance.executeAction(actions[platforms.indexOf(platform)]);
+            expect(execa.mock.calls[platforms.indexOf(platform)]).toBeTruthy();
+        }
+        expect(execa).toBeCalledTimes(platforms.length);
+    });
+    it('does nothing on Do nothing', () => {
+        const instance = new DoneAction();
+        execa.mockResolvedValue("");
+        instance.executeAction("Do nothing");
+        expect(execa).toBeCalledTimes(0);
+    });
+    it('exits on Close app', () => {
+        const instance = new DoneAction();
+        execa.mockResolvedValue("");
+        process.exit = jest.fn();
+        instance.executeAction("Close app");
+        expect(process.exit).toBeCalledTimes(1);
+    });
+    it('logs an error', async () => {
+        const instance = new DoneAction();
+        execa.mockRejectedValue("");
+        console.error = jest.fn().mockImplementation(() => {});
+        await instance.executeAction("Sleep");
+        expect(console.error).toBeCalledTimes(1);
+    });
+});
+
+describe('get', () => {
+    it("Returns the actions for the platform", () => {
+        for(const platform of platforms) {
+            Object.defineProperty(process, "platform", {
+                value: platform
+            });
+            const instance = new DoneAction();
+            const actions = instance.getActions();
+            expect(actions.length).toEqual(actionLength[platforms.indexOf(platform)]);
+        }
+    });
+});