test(action): ✅ add focus action tests

src/controller/action.test.ts

@@ -6,21 +6,87 @@
 
 import { createMock } from "ts-auto-mock";
 import { Engine } from "../engine";
-import { FocusUpperWindow } from "./action";
+import { WindowsLayout } from "../engine/layout";
+import {
+  FocusBottomWindow,
+  FocusLeftWindow,
+  FocusNextWindow,
+  FocusPreviousWindow,
+  FocusRightWindow,
+  FocusUpperWindow,
+} from "./action";
 
 describe("action", () => {
-  describe("focus up", () => {
-    const fakeEngine = createMock<Engine>({ focusDir: jest.fn() });
-    const action = new FocusUpperWindow(fakeEngine);
-    it("correctly executes", () => {
-      // Arrange
-      jest.spyOn(fakeEngine, "focusDir");
+  describe("focus", () => {
+    let fakeEngine: Engine;
+    beforeEach(() => {
+      fakeEngine = createMock<Engine>({
+        focusDir: jest.fn(),
+        focusOrder: jest.fn(),
+        currentLayoutOnCurrentSurface: jest
+          .fn()
+          .mockReturnValue(createMock<WindowsLayout>()),
+      });
+    });
 
-      // Act
-      action.execute();
+    describe("up", () => {
+      it("correctly executes", () => {
+        const action = new FocusUpperWindow(fakeEngine);
 
-      // Assert
-      expect(fakeEngine.focusDir).toBeCalledWith("up");
+        action.execute();
+
+        expect(fakeEngine.focusDir).toBeCalledWith("up");
+      });
+    });
+
+    describe("down", () => {
+      it("correctly executes", () => {
+        const action = new FocusBottomWindow(fakeEngine);
+
+        action.execute();
+
+        expect(fakeEngine.focusDir).toBeCalledWith("down");
+      });
+    });
+
+    describe("left", () => {
+      it("correctly executes", () => {
+        const action = new FocusLeftWindow(fakeEngine);
+
+        action.execute();
+
+        expect(fakeEngine.focusDir).toBeCalledWith("left");
+      });
+    });
+
+    describe("right", () => {
+      it("correctly executes", () => {
+        const action = new FocusRightWindow(fakeEngine);
+
+        action.execute();
+
+        expect(fakeEngine.focusDir).toBeCalledWith("right");
+      });
+    });
+
+    describe("next", () => {
+      it("correctly executes", () => {
+        const action = new FocusNextWindow(fakeEngine);
+
+        action.execute();
+
+        expect(fakeEngine.focusOrder).toBeCalledWith(1);
+      });
+    });
+
+    describe("prev", () => {
+      it("correctly executes", () => {
+        const action = new FocusPreviousWindow(fakeEngine);
+
+        action.execute();
+
+        expect(fakeEngine.focusOrder).toBeCalledWith(-1);
+      });
     });
   });
 });