Add tests

tests/database/entites/UserSetting.test.ts

@@ -1,11 +1,65 @@
+import AppDataSource from "../../../src/database/dataSources/appDataSource";
+import UserSetting from "../../../src/database/entities/UserSetting";
+
 describe("constructor", () => {
-    test.todo("EXPECT settings to be configured");
+    let userSetting: UserSetting;
+
+    beforeEach(() => {
+        userSetting = new UserSetting("userId", "key", "value");
+    });
+
+    test("EXPECT settings to be configured", () => {
+        expect(userSetting).toMatchSnapshot({
+            Id: expect.any(String),
+            WhenCreated: expect.any(Date),
+            WhenUpdated: expect.any(Date),
+        });
+    });
 });
 
 describe("UpdateValue", () => {
-    test.todo("EXPECT value to be updated");
+    let userSetting: UserSetting;
+
+    beforeEach(() => {
+        userSetting = new UserSetting("userId", "key", "value");
+
+        userSetting.UpdateValue("newValue");
+    });
+
+    test("EXPECT value to be updated", () => {
+        expect(userSetting.Value).toBe("newValue");
+    });
 });
 
 describe("FetchOneByKey", () => {
-    test.todo("EXPECT single entity returned");
+    let result: UserSetting | null;
+    let userSetting: UserSetting;
+
+    let findOneMock: jest.Mock;
+
+    beforeEach(async () => {
+        userSetting = new UserSetting("userId", "key", "value");
+
+        findOneMock = jest.fn().mockResolvedValue(userSetting);
+
+        AppDataSource.getRepository = jest.fn().mockReturnValue({
+            findOne: findOneMock,
+        });
+
+        result = await UserSetting.FetchOneByKey("userId", "key");
+    });
+
+    test("EXPECT getRepository to have been called", () => {
+        expect(AppDataSource.getRepository).toHaveBeenCalledTimes(1);
+        expect(AppDataSource.getRepository).toHaveBeenCalledWith(UserSetting);
+    });
+
+    test("EXPECT repository.findOne to have been called", () => {
+        expect(findOneMock).toHaveBeenCalledTimes(1);
+        expect(findOneMock).toHaveBeenCalledWith({ where: { UserId: "userId", Key: "key" }, relations: {}});
+    })
+
+    test("EXPECT single entity returned", () => {
+        expect(result).toBe(userSetting);
+    });
 });

tests/database/entites/__snapshots__/UserSetting.test.ts.snap

@@ -0,0 +1,12 @@
+// Jest Snapshot v1, https://goo.gl/fbAQLP
+
+exports[`constructor EXPECT settings to be configured 1`] = `
+{
+  "Id": Any<String>,
+  "Key": "key",
+  "UserId": "userId",
+  "Value": "value",
+  "WhenCreated": Any<Date>,
+  "WhenUpdated": Any<Date>,
+}
+`;