Initial commit for categories

app/src/test/java/eu/kanade/mangafeed/CategoryTest.java

@@ -0,0 +1,119 @@
+package eu.kanade.mangafeed;
+
+import android.app.Application;
+import android.os.Build;
+
+import org.junit.Before;
+import org.junit.Test;
+import org.junit.runner.RunWith;
+import org.robolectric.RobolectricGradleTestRunner;
+import org.robolectric.RuntimeEnvironment;
+import org.robolectric.annotation.Config;
+
+import java.util.List;
+
+import eu.kanade.mangafeed.data.database.DatabaseHelper;
+import eu.kanade.mangafeed.data.database.models.Category;
+import eu.kanade.mangafeed.data.database.models.Manga;
+import eu.kanade.mangafeed.data.database.models.MangaCategory;
+
+import static org.hamcrest.MatcherAssert.assertThat;
+import static org.hamcrest.Matchers.hasSize;
+import static org.hamcrest.Matchers.is;
+import static org.hamcrest.Matchers.not;
+
+@Config(constants = BuildConfig.class, sdk = Build.VERSION_CODES.LOLLIPOP)
+@RunWith(RobolectricGradleTestRunner.class)
+public class CategoryTest {
+
+    DatabaseHelper db;
+
+    @Before
+    public void setup() {
+        Application app = RuntimeEnvironment.application;
+        db = new DatabaseHelper(app);
+
+        // Create 5 mangas
+        createManga("a");
+        createManga("b");
+        createManga("c");
+        createManga("d");
+        createManga("e");
+    }
+
+    @Test
+    public void testHasCategories() {
+        // Create 2 categories
+        createCategory("Reading");
+        createCategory("Hold");
+
+        List<Category> categories = db.getCategories().executeAsBlocking();
+        assertThat(categories, hasSize(2));
+    }
+
+    @Test
+    public void testHasLibraryMangas() {
+        List<Manga> mangas = db.getLibraryMangas().executeAsBlocking();
+        assertThat(mangas, hasSize(5));
+    }
+
+    @Test
+    public void testHasCorrectFavorites() {
+        Manga m = new Manga();
+        m.title = "title";
+        m.author = "";
+        m.artist = "";
+        m.thumbnail_url = "";
+        m.genre = "a list of genres";
+        m.description = "long description";
+        m.url = "url to manga";
+        m.favorite = false;
+        db.insertManga(m).executeAsBlocking();
+        List<Manga> mangas = db.getLibraryMangas().executeAsBlocking();
+        assertThat(mangas, hasSize(5));
+    }
+
+    @Test
+    public void testMangaInCategory() {
+        // Create 2 categories
+        createCategory("Reading");
+        createCategory("Hold");
+
+        // It should not have 0 as id
+        Category c = db.getCategories().executeAsBlocking().get(0);
+        assertThat(c.id, not(0));
+
+        // Add a manga to a category
+        Manga m = db.getMangas().executeAsBlocking().get(0);
+        MangaCategory mc = MangaCategory.create(m, c);
+        db.insertMangaCategory(mc).executeAsBlocking();
+
+        // Get mangas from library and assert manga category is the same
+        List<Manga> mangas = db.getLibraryMangas().executeAsBlocking();
+        for (Manga manga : mangas) {
+            if (manga.id.equals(m.id)) {
+                assertThat(manga.category, is(c.id));
+            }
+        }
+    }
+
+    private void createManga(String title) {
+        Manga m = new Manga();
+        m.title = title;
+        m.author = "";
+        m.artist = "";
+        m.thumbnail_url = "";
+        m.genre = "a list of genres";
+        m.description = "long description";
+        m.url = "url to manga";
+        m.favorite = true;
+        db.insertManga(m).executeAsBlocking();
+    }
+
+    private void createCategory(String name) {
+        Category c = new Category();
+        c.name = name;
+        db.insertCategory(c).executeAsBlocking();
+    }
+
+}