Merge pull request #46 from SwiichyCode/develop

Develop

__tests__/utils/getFilteredRepositories.test.ts

@@ -0,0 +1,55 @@
+import { getRepositoriesAlreadyStarred } from "@/utils/getRepositoriesAlreadyStarred";
+
+jest.mock("@/utils/getRepositoriesAlreadyStarred", () => ({
+  getRepositoriesAlreadyStarred: jest.fn(),
+}));
+
+import { getFilteredRepositories } from "@/utils/getFilteredRepositories";
+import {
+  fakerMockRepository,
+  fakerMockUser,
+  fakerMockLanguage,
+} from "@/mocks/_index";
+import { Repository } from "@/types/prisma.type";
+
+const repositoriesMock: Repository[] = [
+  {
+    ...fakerMockRepository,
+    id: 1,
+    language: { ...fakerMockLanguage, name: "JavaScript" },
+  },
+  {
+    ...fakerMockRepository,
+    id: 2,
+    repositoryStargazers: 1,
+    language: { ...fakerMockLanguage, name: "TypeScript" },
+  },
+];
+
+describe("getFilteredRepositories", () => {
+  it("should return repositories filtered by language", () => {
+    const result = getFilteredRepositories({
+      query: "",
+      language: "JavaScript",
+      initialRepositories: repositoriesMock,
+      repositories: repositoriesMock,
+      user: fakerMockUser,
+      toggleFilter: "all",
+    });
+
+    expect(result).toEqual([repositoriesMock[0]]);
+  });
+
+  it("should execute the appropriate filter function based on the toggleFilter parameter", () => {
+    getFilteredRepositories({
+      query: "",
+      language: "",
+      initialRepositories: repositoriesMock,
+      repositories: repositoriesMock,
+      user: fakerMockUser,
+      toggleFilter: "starred",
+    });
+
+    expect(getRepositoriesAlreadyStarred).toHaveBeenCalledTimes(1);
+  });
+});

__tests__/utils/getRepositoriesAlreadyLiked.test.ts

@@ -0,0 +1,37 @@
+import { getRepositoriesAlreadyLiked } from "@/utils/getRepositoriesAlreadyLiked";
+import { fakerMockUser, fakerMockRepository } from "@/mocks/_index";
+
+describe("getRepositoriesAlreadyLiked", () => {
+  it("should return an empty array if user is null", () => {
+    const result = getRepositoriesAlreadyLiked([fakerMockRepository], null);
+    expect(result).toEqual([]);
+  });
+
+  it("should return an empty array if user has no likes", () => {
+    const userWithNoLikes = { ...fakerMockUser, likes: [] };
+    const result = getRepositoriesAlreadyLiked(
+      [fakerMockRepository],
+      userWithNoLikes,
+    );
+    expect(result).toEqual([]);
+  });
+
+  it("should return repositories that the user has liked", () => {
+    const likedRepository = { ...fakerMockRepository, id: 1 };
+    const userWithLikes = {
+      ...fakerMockUser,
+      likes: [
+        {
+          ...fakerMockUser.likes[0]!,
+          id: 1,
+        },
+      ],
+    };
+
+    const result = getRepositoriesAlreadyLiked(
+      [fakerMockRepository, likedRepository],
+      userWithLikes,
+    );
+    expect(result).toEqual([likedRepository]);
+  });
+});

__tests__/utils/getRepositoriesAlreadyStarred.test.ts

@@ -0,0 +1,35 @@
+import { getRepositoriesAlreadyStarred } from "@/utils/getRepositoriesAlreadyStarred";
+import { fakerMockUser, fakerMockRepository } from "@/mocks/_index";
+
+describe("getRepositoriesAlreadyStarred", () => {
+  afterEach(() => {
+    jest.restoreAllMocks();
+  });
+
+  const mockUser = {
+    ...fakerMockUser,
+    repositoryAlreadyStarred: ["https://dummy.com/repository/1"],
+  };
+
+  const mockRepositories = [
+    { ...fakerMockRepository, url: "https://dummy.com/repository/1" },
+  ];
+
+  it("should return starred repositories", () => {
+    const result = getRepositoriesAlreadyStarred(mockRepositories, mockUser);
+    expect(result).toEqual([mockRepositories[0]]);
+  });
+
+  it("should return empty array if user is null", () => {
+    const result = getRepositoriesAlreadyStarred(mockRepositories, null);
+    expect(result).toEqual([]);
+  });
+
+  it("should return empty array if user has no starred repositories", () => {
+    const result = getRepositoriesAlreadyStarred(mockRepositories, {
+      ...mockUser,
+      repositoryAlreadyStarred: [],
+    });
+    expect(result).toEqual([]);
+  });
+});

jest.config.ts

@@ -16,6 +16,7 @@ const config: Config = {
   testEnvironment: "jsdom",
   // Add more setup options before each test is run
   // setupFilesAfterEnv: ['<rootDir>/jest.setup.ts'],
+  setupFilesAfterEnv: ["<rootDir>/singleton.ts"],
 };
 
 // createJestConfig is exported this way to ensure that next/jest can load the Next.js config which is async