Added tests for Recipe.

commons/src/test/java/commons/RecipeTest.java

@@ -0,0 +1,128 @@
+package commons;
+
+import org.junit.jupiter.api.BeforeEach;
+import org.junit.jupiter.api.Test;
+
+import java.util.ArrayList;
+import java.util.List;
+
+import static org.junit.jupiter.api.Assertions.*;
+
+class RecipeTest {
+
+    Recipe recipe;
+
+    @BeforeEach
+    void setupRecipe() {
+        this.recipe = new Recipe(1L, "Chocolate Cake");
+    }
+
+    @Test
+    void getId() {
+        assertEquals(1L, recipe.getId());
+    }
+
+    @Test
+    void setId() {
+        recipe.setId(2048L);
+        assertEquals(2048L, recipe.getId());
+    }
+
+    @Test
+    void getName() {
+        assertEquals("Chocolate Cake", recipe.getName());
+    }
+
+    @Test
+    void setName() {
+        recipe.setName("Steak");
+        assertEquals("Steak", recipe.getName());
+    }
+
+    @Test
+    void getIngredientsAddThrow() {
+        // TODO: Change to actual Ingredient class later
+        assertThrows(UnsupportedOperationException.class, () -> {
+            recipe.getIngredients().add("Lasagna");
+        });
+    }
+
+    @Test
+    void getIngredientsClearThrow() {
+        assertThrows(UnsupportedOperationException.class, () -> {
+            recipe.getIngredients().clear();
+        });
+    }
+
+    @Test
+    void setIngredients() {
+        // TODO: Change to actual Ingredient class later
+        List<String> ingredients = new ArrayList<>(List.of("Chocolate", "Flour", "Egg"));
+        recipe.setIngredients(ingredients);
+
+        assertEquals(recipe.getIngredients(), ingredients);
+        assertEquals(recipe.getIngredients().size(), 3);
+    }
+
+    @Test
+    void getPreparationStepsAddThrow() {
+        assertThrows(UnsupportedOperationException.class, () -> {
+            recipe.getPreparationSteps().add("Preheat Oven");
+        });
+    }
+
+    @Test
+    void getPreparationStepsClearThrow() {
+        assertThrows(UnsupportedOperationException.class, () -> {
+            recipe.getPreparationSteps().clear();
+        });
+    }
+
+    @Test
+    void setPreparationSteps() {
+        List<String> steps = new ArrayList<>(List.of("Preheat oven", "Mix stuff", "decorate"));
+        recipe.setPreparationSteps(steps);
+
+        assertEquals(recipe.getPreparationSteps(), steps);
+        assertEquals(recipe.getPreparationSteps().size(), 3);
+    }
+
+    @Test
+    void testEqualsSame() {
+        Recipe recipe2 = new Recipe(1L, "Chocolate Cake");
+        assertEquals(recipe, recipe2);
+    }
+
+    @Test
+    void testEqualsSameExceptId() {
+        Recipe recipe2 = new Recipe(2L, "Chocolate Cake");
+        assertNotEquals(recipe, recipe2);
+    }
+
+    @Test
+    void testEqualsOnlySameId() {
+        Recipe recipe2 = new Recipe(1L, "Some random recipe");
+        assertEquals(recipe, recipe2); // Equals, we only look at ID!!!
+    }
+
+    @Test
+    void testHashCodeSame() {
+        Recipe recipe2 = new Recipe(1L, "Chocolate Cake");
+
+        assertEquals(recipe.hashCode(), recipe2.hashCode());
+    }
+
+    @Test
+    void testHashCodeSameExceptId() {
+        Recipe recipe2 = new Recipe(2L, "Chocolate Cake");
+
+        assertNotEquals(recipe.hashCode(), recipe2.hashCode());
+    }
+
+    @Test
+    void testHashCodeOnlySameId() {
+        Recipe recipe2 = new Recipe(1L, "Some random recipe");
+
+        assertEquals(recipe.hashCode(), recipe2.hashCode()); // Same, only looks at ID!!!
+    }
+}