plat 100% bios

src/main/java/imt/ingredients/Plat.java

 package imt.ingredients;
 
+import java.util.stream.Stream;
+
 import lombok.EqualsAndHashCode;
 
 @EqualsAndHashCode
@@ -47,4 +49,9 @@ public class Plat {
 		return "Plat [idPlat=" + idPlat + ", nomPlat=" + nomPlat + ", ingredients=" + ingredientStr.toString() + "]";
 	}
 
+	public boolean isBio() {
+		return Stream.of(ingredients)
+			.allMatch(ingredient -> ingredient.isBio());
+	}
+
 }

src/test/java/imt/ingredients/PlatTest.java

+package imt.ingredients;
+
+import static imt.ingredients.IngredientTest.AUTRE;
+import static imt.ingredients.IngredientTest.OIGNON;
+import static imt.ingredients.IngredientTest.STEAK;
+import static org.assertj.core.api.Assertions.assertThat;
+
+import org.junit.jupiter.api.Test;
+
+public class PlatTest {
+	@Test
+	void plat_entierement_bio() {
+		Plat platBio = new Plat(1, "plat1", new Ingredient[] {
+			STEAK, OIGNON
+		});
+
+		assertThat(platBio.isBio()).isTrue();
+		
+		Plat platNonBio = new Plat(2, "plat2", new Ingredient[] {
+			STEAK, OIGNON, AUTRE
+		});
+
+		assertThat(platNonBio.isBio()).isFalse();
+	}
+}

src/test/java/imt/personnes/ChefTest.java

+package imt.personnes;
+
+import org.junit.jupiter.api.Test;
+
+import imt.ingredients.Ingredient;
+import imt.ingredients.Legume;
+import imt.ingredients.Plat;
+
+public class ChefTest {
+	// @Test
+	// void plat_connus_d_un_chef_par_calories() {
+	// 	Plat plat1 = new Plat(1, "plat1", new Ingredient[] {
+	// 		new Legume(1, "poivron", 10, true);
+	// 	});
+	// }
+}