Добавлены юнит-тесты для класса Burger. Использованы моки (Mockito). Покрытие 100%.

.gitignore

@@ -0,0 +1,3 @@
+.idea/
+*.iml
+target/

pom.xml

@@ -13,4 +13,47 @@
         <maven.compiler.target>11</maven.compiler.target>
     </properties>
 
+    <dependencies>
+        <!-- JUnit 4 -->
+        <dependency>
+            <groupId>junit</groupId>
+            <artifactId>junit</artifactId>
+            <version>4.13.2</version>
+            <scope>test</scope>
+        </dependency>
+
+        <!-- Mockito -->
+        <dependency>
+            <groupId>org.mockito</groupId>
+            <artifactId>mockito-core</artifactId>
+            <version>5.23.0</version>
+            <scope>test</scope>
+        </dependency>
+    </dependencies>
+
+    <build>
+        <plugins>
+            <!-- JaCoCo -->
+            <plugin>
+                <groupId>org.jacoco</groupId>
+                <artifactId>jacoco-maven-plugin</artifactId>
+                <version>0.8.14</version>
+                <executions>
+                    <execution>
+                        <goals>
+                            <goal>prepare-agent</goal>
+                        </goals>
+                    </execution>
+                    <execution>
+                        <id>report</id>
+                        <phase>verify</phase>
+                        <goals>
+                            <goal>report</goal>
+                        </goals>
+                    </execution>
+                </executions>
+            </plugin>
+        </plugins>
+    </build>
+
 </project>

src/test/java/praktikum/BurgerTest.java

@@ -0,0 +1,96 @@
+package praktikum;
+
+import org.junit.Before;
+import org.junit.Test;
+
+import static org.junit.Assert.assertEquals;
+import static org.mockito.Mockito.*;
+
+public class BurgerTest {
+
+    private Burger burger;
+    private Bun bun;
+    private Ingredient ingredient1;
+    private Ingredient ingredient2;
+
+    @Before
+    public void setUp() {
+        burger = new Burger();
+        bun = mock(Bun.class);
+        ingredient1 = mock(Ingredient.class);
+        ingredient2 = mock(Ingredient.class);
+    }
+
+    @Test
+    public void setBunsShouldSetBun() {
+        burger.setBuns(bun);
+
+        assertEquals(bun, burger.bun);
+    }
+
+    @Test
+    public void addIngredientShouldAddIngredient() {
+        burger.addIngredient(ingredient1);
+
+        assertEquals(1, burger.ingredients.size());
+        assertEquals(ingredient1, burger.ingredients.get(0));
+    }
+
+    @Test
+    public void removeIngredientShouldRemoveIngredient() {
+        burger.addIngredient(ingredient1);
+        burger.addIngredient(ingredient2);
+
+        burger.removeIngredient(0);
+
+        assertEquals(1, burger.ingredients.size());
+        assertEquals(ingredient2, burger.ingredients.get(0));
+    }
+
+    @Test
+    public void moveIngredientShouldMoveIngredient() {
+        burger.addIngredient(ingredient1);
+        burger.addIngredient(ingredient2);
+
+        burger.moveIngredient(0, 1);
+
+        assertEquals(ingredient2, burger.ingredients.get(0));
+        assertEquals(ingredient1, burger.ingredients.get(1));
+    }
+
+    @Test
+    public void getPriceShouldReturnCorrectPrice() {
+        burger.setBuns(bun);
+        burger.addIngredient(ingredient1);
+        burger.addIngredient(ingredient2);
+
+        when(bun.getPrice()).thenReturn(100f);
+        when(ingredient1.getPrice()).thenReturn(50f);
+        when(ingredient2.getPrice()).thenReturn(25f);
+
+        float price = burger.getPrice();
+
+        assertEquals(275f, price, 0.001f);
+    }
+
+    @Test
+    public void getReceiptShouldReturnCorrectReceipt() {
+        burger.setBuns(bun);
+        burger.addIngredient(ingredient1);
+
+        when(bun.getName()).thenReturn("black bun");
+        when(bun.getPrice()).thenReturn(100f);
+        when(ingredient1.getType()).thenReturn(IngredientType.SAUCE);
+        when(ingredient1.getName()).thenReturn("ketchup");
+        when(ingredient1.getPrice()).thenReturn(50f);
+
+        String expected = String.format("(==== %s ====)%n", "black bun") +
+                String.format("= %s %s =%n", "sauce", "ketchup") +
+                String.format("(==== %s ====)%n", "black bun") +
+                String.format("%nPrice: %f%n", 250f);
+
+        String actual = burger.getReceipt();
+
+        assertEquals(expected, actual);
+    }
+}