test

movies.test.js

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+const movies_json = `{
+    "movies": [
+       {
+         "title": "Running Scared",
+         "director": "Wayne Kramer",
+         "year": 2006,
+         "genre": "Action",
+         "actors": ["Paul Walker", "Cameron Bright", "Chazz Palminteri"]
+       },
+       {
+         "title": "500 days of summer",
+         "director": "Marc Webb",
+         "year": 2009,
+         "genre": "Comedy",
+         "actors": ["Zooey Deschanel", "Joseph Gordon-Levitt", "Geoffrey Arend"]
+       },
+       {
+         "title": "Kung Fu Hustle",
+         "director": "Stephen Chow",
+         "year": 2004,
+         "genre": "Fantasy",
+         "actors": ["Stephen Chow", "Wah Yuen", "Qiu Yuen"]
+       }
+     ]
+   }`;
+
+const movies = JSON.parse(movies_json);
+
+describe('Movies JSON Data', () => {
+    it('should have three movies', () => {
+        expect(movies.movies.length).toBe(3);
+    });
+
+    it('should correctly parse movie details', () => {
+        expect(movies.movies[1].title).toBe('500 days of summer');
+        expect(movies.movies[1].director).toBe('Marc Webb');
+        expect(movies.movies[1].actors).toEqual(["Zooey Deschanel", "Joseph Gordon-Levitt", "Geoffrey Arend"]);
+    });
+
+    it('should stringify back to original format', () => {
+        const movies_string = JSON.stringify(movies, null, 2);
+        expect(movies_string).toBe(movies_json);
+    });
+});