feat: Se crea el Filtrado por Género y Duración de Película (Tests de Aplicación de Películas)

Author: luiscacuango2

src/main/java/com/luigi/javatest/movies/data/MovieRepository.java

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+package com.luigi.javatest.movies.data;
+
+import com.luigi.javatest.movies.model.Movie;
+
+import java.util.Collection;
+
+public interface MovieRepository {
+    Movie findById(long id);
+    Collection<Movie> findAll();
+    void saveOrUpdate(Movie movie);
+}

src/main/java/com/luigi/javatest/movies/model/Gender.java

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+package com.luigi.javatest.movies.model;
+
+public enum Gender {
+    ACTION,
+    COMEDY,
+    DRAMA,
+    HORROR,
+    THRILLER
+}

src/main/java/com/luigi/javatest/movies/model/Movie.java

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+package com.luigi.javatest.movies.model;
+
+public class Movie {
+    private Integer id;
+    private String name;
+    private int minutes;
+    private Gender gender;
+
+    public Movie(String name, int minutes, Gender gender) {
+        this(null, name, minutes, gender);
+    }
+
+    public Movie(Integer id, String name, int minutes, Gender gender) {
+        this.id = id;
+        this.name = name;
+        this.minutes = minutes;
+        this.gender = gender;
+    }
+
+    public Integer getId() {
+        return id;
+    }
+
+    public String getName() {
+        return name;
+    }
+
+    public int getMinutes() {
+        return minutes;
+    }
+
+    public Gender getGender() {
+        return gender;
+    }
+}

src/main/java/com/luigi/javatest/movies/service/MovieService.java

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+package com.luigi.javatest.movies.service;
+
+import com.luigi.javatest.movies.data.MovieRepository;
+import com.luigi.javatest.movies.model.Gender;
+import com.luigi.javatest.movies.model.Movie;
+
+import java.util.Collection;
+import java.util.stream.Collectors;
+
+public class MovieService {
+    private MovieRepository movieRepository;
+
+    public MovieService(MovieRepository movieRepository) {
+        this.movieRepository = movieRepository;
+    }
+
+    public Collection<Movie> findMoviesByGender(Gender gender) {
+
+        return movieRepository.findAll().stream()
+                .filter(movie -> movie.getGender() == gender).collect(Collectors.toList());
+    }
+
+}

src/test/java/com/luigi/javatest/movies/service/MovieServiceShould.java

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+package com.luigi.javatest.movies.service;
+
+import com.luigi.javatest.movies.data.MovieRepository;
+import com.luigi.javatest.movies.model.Gender;
+import com.luigi.javatest.movies.model.Movie;
+import org.junit.jupiter.api.BeforeEach;
+import org.junit.jupiter.api.Test;
+import org.mockito.Mockito;
+
+import java.util.Arrays;
+import java.util.Collection;
+import java.util.List;
+import java.util.stream.Collectors;
+
+// Importamos las aserciones nativas de JUnit 5
+import static org.junit.jupiter.api.Assertions.*;
+
+public class MovieServiceShould {
+
+    private MovieRepository movieRepository;
+    private MovieService movieService;
+
+    @BeforeEach
+    void setUp() {
+        // Inicializamos el mock y el servicio antes de cada test
+        movieRepository = Mockito.mock(MovieRepository.class);
+        movieService = new MovieService(movieRepository);
+    }
+
+    @Test
+    public void return_movies_by_gender() {
+        // GIVEN
+        Mockito.when(movieRepository.findAll()).thenReturn(
+                Arrays.asList(
+                        new Movie(1, "Dark Knight", 152, Gender.ACTION),
+                        new Movie(2, "Memento", 113, Gender.THRILLER),
+                        new Movie(3, "Matrix", 136, Gender.COMEDY),
+                        new Movie(4, "Super 8", 112, Gender.THRILLER),
+                        new Movie(5, "Scream", 111, Gender.HORROR),
+                        new Movie(6, "Home Alone", 103, Gender.COMEDY),
+                        new Movie(7, "Matrix", 136, Gender.ACTION)
+                )
+        );
+
+        // WHEN
+        Collection<Movie> movies = movieService.findMoviesByGender(Gender.COMEDY);
+
+        // THEN
+        List<Integer> moviesIds = movies.stream()
+                .map(Movie::getId)
+                .collect(Collectors.toList());
+
+        // Cambiamos assertThat por assertEquals de JUnit 5
+        // El orden es: assertEquals(esperado, actual)
+        assertEquals(Arrays.asList(3, 6), moviesIds);
+    }
+}