implemented jest tests

README.md

@@ -5,11 +5,18 @@ It contains:
 - Navbar
 
 - A page to search for movies by title:
+  - searchParams to string 
+    -  Object.entries(searchParams)
+    .map(
+      ([key, value], i, arr) =>
+        `${key}=${value}${i < arr.length - 1 ? "&" : ""}`
+    )
+    .toString();
 
   - SearchBar component:
-    - Input for Title (Year & Plot too?)
+    - Input for Title
     - Submit button
-    - Cear button
+    - Clear button
   - List of results - paginated so we might need a pagination component:
     - Title
     - Year
@@ -50,7 +57,7 @@ External API Docs: https://www.omdbapi.com/
 
 Built on:
 Next.js
-Server side rendering for list & movie details to hide api token - Could possibly use Route Handler
+Server side rendering for list & movie details to hide api token/network requests and eliminate the need for state-management on data returned from the external API.
 
 Switched to Tailwindcss for styling. Was using chakra ui components but it isn't server-side render friendly
 
@@ -60,18 +67,13 @@ Since we're using server side rendering for pages that fetch data, we don't need
 We can implement Context in a client component for managing "Favorites" for a user if we'd like
 this might look like:
 
-favorites/page.tsx
+- FavoriteContext - favorites, setFavorites
 
-cosnt FavoriteContext = createContext({
-favorites,
-addFavorite
-})
+- FavoriteProvider - A wrapper for FavoriteContext.Provider with local state that we can render client-side and pass children through to make use of server-side rendering for child components (interleaving)
 
-const FavoriteProvider = ()=>{
-// local state management
-return (
+- FavoriteBtn - a client-side component rendering a button and using useContext(FormContext) to consume favorites and setFavorites - filter favorites by id to prevent duplicats/allow removing from list.
 
-)
-}
-
-const { searchResults } = useContext(FavoriteContext);
+Known issues: 
+  * https://github.com/vercel/next.js/issues/65161
+  * https://github.com/vercel/next.js/issues/54757
+  

movie-search/.jest/setEnvVars.js

@@ -0,0 +1,2 @@
+process.env.API_KEY='6200aa0'
+process.env.OMDB_URL='http://www.omdbapi.com/'

movie-search/__tests__/MovieCard.test.jsx

@@ -0,0 +1,16 @@
+import "@testing-library/jest-dom";
+import {render, screen} from '@testing-library/react'
+import MovieCard from '../src/app/Search/MovieCard.tsx'
+const movie =  {
+    Title: "Dune",
+    Year: "2000",
+    imdbID: "tt0142032",
+    Type: "series",
+    Poster: "https://m.media-amazon.com/images/M/MV5BMTU4MjMyMTkxN15BMl5BanBnXkFtZTYwODA5OTU5._V1_SX300.jpg"
+  }
+
+test('MovieCard Renders',()=>{
+    render(<MovieCard movie={movie} />)
+    const movieTitle = screen.getByRole('heading')
+    expect(movieTitle).toHaveTextContent('Dune')
+})

movie-search/__tests__/SearchBar.test.jsx

@@ -0,0 +1,39 @@
+import "@testing-library/jest-dom";
+import { fireEvent, render, screen } from "@testing-library/react";
+import SearchBar from "@/app/Search/SearchBar.tsx";
+import { queryOMDb } from "@/api/omdb";
+
+test("SearchBar Allows user input", () => {
+  render(<SearchBar />);
+  const input = screen.getByPlaceholderText("Search by Title");
+
+  fireEvent.change(input, { target: { value: "some value" } });
+
+  expect(input.value).toBe("some value");
+});
+
+test("SearchBar Allows user input and Clear button clears", () => {
+  render(<SearchBar />);
+  const input = screen.getByPlaceholderText("Search by Title");
+  const clear = screen.getByText("Clear");
+
+  fireEvent.change(input, { target: { value: "some value" } });
+  expect(input.value).toBe("some value");
+
+  fireEvent.click(clear);
+
+  expect(input.value).toBe('');
+});
+
+// test("SearchBar Allows user submit", () => {
+//   render(<SearchBar />);
+//   const input = screen.getByPlaceholderText("Search by Title");
+//   const submit = screen.getByText("Search");
+//   const spy = jest.spyOn({ queryOMDb }, "queryOMDb");
+
+//   fireEvent.change(input, { target: { value: "back to the" } });
+//   fireEvent.click(submit);
+//   // Somehow test for form submission - currently facing this issue
+//   // https://github.com/vercel/next.js/issues/54757
+//   //  expect(spy).toHaveBeenCalled();
+// });

movie-search/__tests__/omdb.test.jsx

@@ -0,0 +1,8 @@
+import "@testing-library/jest-dom";
+import { queryOMDb } from "../src/api/omdb.ts";
+
+test("queryOMDb returns movie data", async () => {
+  const data = await queryOMDb("s=back to");
+
+  expect(data).toHaveProperty("Response");
+});

movie-search/jest.config.ts

@@ -0,0 +1,19 @@
+import type { Config } from 'jest'
+import nextJest from 'next/jest.js'
+ 
+const createJestConfig = nextJest({
+  // Provide the path to your Next.js app to load next.config.js and .env files in your test environment
+  dir: './',
+})
+ 
+// Add any custom config to be passed to Jest
+const config: Config = {
+  coverageProvider: 'v8',
+  testEnvironment: 'jsdom',
+  setupFilesAfterEnv: ["<rootDir>/.jest/setEnvVars.js", "jest-fetch-mock"]
+  // Add more setup options before each test is run
+  // setupFilesAfterEnv: ['<rootDir>/jest.setup.ts'],
+}
+ 
+// createJestConfig is exported this way to ensure that next/jest can load the Next.js config which is async
+export default createJestConfig(config)

movie-search/package.json

@@ -6,7 +6,9 @@
     "dev": "next dev",
     "build": "next build",
     "start": "next start",
-    "lint": "next lint"
+    "lint": "next lint",
+    "test": "jest",
+    "test:watch": "jest --watch"
   },
   "dependencies": {
     "@emotion/react": "^11.11.4",
@@ -14,15 +16,21 @@
     "framer-motion": "^11.2.6",
     "next": "14.2.3",
     "react": "^18",
-    "react-dom": "^18"
+    "react-dom": "^18",
+    "ts-node-dev": "^2.0.0"
   },
   "devDependencies": {
+    "@testing-library/jest-dom": "^6.4.5",
+    "@testing-library/react": "^15.0.7",
     "@types/node": "^20",
     "@types/react": "^18",
     "@types/react-dom": "^18",
     "autoprefixer": "^10.4.19",
     "eslint": "^8",
     "eslint-config-next": "14.2.3",
+    "jest": "^29.7.0",
+    "jest-environment-jsdom": "^29.7.0",
+    "jest-fetch-mock": "^3.0.3",
     "postcss": "^8.4.38",
     "tailwindcss": "^3.4.3",
     "typescript": "^5"

movie-search/src/api/omdb.ts

@@ -1,13 +1,17 @@
 const url = `${process.env.OMDB_URL}?apikey=${process.env.API_KEY}`;
 
 export const queryOMDb = async (queryParamString: string) => {
-    "use server";
+  "use server";
+  try {
     const queryUrl = `${url}&${queryParamString}`;
     const response = await fetch(queryUrl);
     if (!response.ok) {
       throw new Error("Failed to fetch movie data");
     }
     const result = await response.json();
-    console.log(queryUrl, result);
+    // console.log(queryUrl, result);
     return result;
-  };
+  } catch (e) {
+    throw new Error("Something went wrong searching OMDb");
+  }
+};

movie-search/src/app/Search/MovieCard.tsx

@@ -1,6 +1,5 @@
 import FavoriteBtn from "@/components/FavoriteBtn";
 import ImgCard from "@/components/ImgCard";
-import Image from "next/image";
 import Link from "next/link";
 
 export interface IMovieCardItem {
@@ -14,20 +13,6 @@ interface IMovieCardProps {
   movie: IMovieCardItem;
 }
 
-const testclass = {
-  boxShadow: "md",
-  _hover: {
-    cursor: "pointer",
-    border: "1px solid blue",
-    borderRadius: 4,
-    // boxShadow:'border'
-  },
-  maxW: "sm",
-  borderWidth: "1px",
-  borderRadius: "lg",
-  overflow: "hidden",
-}.toString();
-
 export default ({ movie }: IMovieCardProps) => {
   return (
     <ImgCard

movie-search/src/app/Search/page.tsx

@@ -16,7 +16,7 @@ export const stringifyQueryParams = (searchParams: object) =>
 
 export default async ({ searchParams }: INextJsProps) => {
   const queryParamString = stringifyQueryParams(searchParams!);
-  console.log(queryParamString)
+  // console.log(queryParamString)
   const { Search } = await queryOMDb(queryParamString);
   const movies = Search || [];
 

movie-search/src/components/FavoriteBtn.tsx

@@ -14,7 +14,6 @@ export default ({ movie }: any) => {
         if (isFavorite) {
           setFavorites([...filteredFavorites])
         } else {
-
           setFavorites([...favorites, movie]);
         }
       }}

movie-search/src/components/navBar.tsx

@@ -3,15 +3,11 @@ import Link from "next/link";
 export default () => {
   return (
     <nav className="px-2 flex gap-4">
-      
       <Link href="/">
-        <strong>Movie Search</strong>
+        <strong>Home</strong>
       </Link>
-
-      <div className="flex gap-4">
-        <Link href="/Search">Search</Link>
-        <Link href="/Favorites">Favorites</Link>
-      </div>
+      <Link href="/Search">Search</Link>
+      <Link href="/Favorites">Favorites</Link>
     </nav>
   );
 };

movie-search/tsconfig.json

@@ -21,6 +21,6 @@
       "@/*": ["./src/*"]
     }
   },
-  "include": ["next-env.d.ts", "**/*.ts", "**/*.tsx", ".next/types/**/*.ts"],
+  "include": ["next-env.d.ts", "**/*.ts", "**/*.tsx", ".next/types/**/*.ts", "__tests__/*.jsx"],
   "exclude": ["node_modules"]
 }