exam modal dev aout 2023

bac2/modalDev/e23/question1/app/src/main/java/question1/App.java

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+/*
+ * This Java source file was generated by the Gradle 'init' task.
+ */
+package question1;
+
+public class App {
+    public String getGreeting() {
+        return "Hello World!";
+    }
+
+    public static void main(String[] args) {
+        System.out.println(new App().getGreeting());
+    }
+}

bac2/modalDev/e23/question1/app/src/main/java/question1/InventoryManagement.java

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+package question1;
+
+import java.util.HashMap;
+
+public class InventoryManagement {
+
+	// cnt[zone][product] = quantity
+	HashMap<Integer, HashMap<Integer, Integer>> cnt = new HashMap<>();
+	
+	// ajoute dans une zone du stock une quantité donnée d’un produit donné
+	void replenish(int product, int quantity, int destination_zone) throws ZoneFullException{
+		cnt.putIfAbsent(destination_zone, new HashMap<>());
+		cnt.get(destination_zone).putIfAbsent(product, 0);
+		Integer q = cnt.get(destination_zone).get(product) + quantity;
+		if(q > 100)
+			throw new ZoneFullException();
+		cnt.get(destination_zone).put(product, q);
+	}
+
+	// retire d’une zone spécifique du stock une quantité donnée d’un produit donné pour l’envoyer vers le réseau de distribution 
+	void distribute(int product, int source_zone, int quantity) throws StockOutException{
+		cnt.putIfAbsent(source_zone, new HashMap<>());
+		cnt.get(source_zone).putIfAbsent(product, 0);
+		Integer q = cnt.get(source_zone).get(product) - quantity;
+		if(q < 0)
+			throw new StockOutException();
+		cnt.get(source_zone).put(product, q);
+	}
+
+	// déplace une quantité donnée d’un produit vers une autre zone 
+	void move(int product, int quantity, int source_zone, int destination_zone) throws StockOutException, ZoneFullException {
+		distribute(product, source_zone, quantity);
+		try {
+			replenish(product, quantity, destination_zone);
+		}catch(ZoneFullException e){ 
+			replenish(product, quantity, source_zone);
+			throw e;
+		}
+	}
+	
+	// retourne la quantité disponible d’un produit donné dans le stock, toutes zones confondues 
+	int quantity(int product){
+		int sum[] = {0};
+		cnt.forEach((key, value) -> {
+			sum[0] += value.getOrDefault(product, 0);
+		});
+		return sum[0];
+	}
+}

bac2/modalDev/e23/question1/app/src/main/java/question1/StockOutException.java

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+package question1;
+
+public class StockOutException extends Exception{
+
+}
+

bac2/modalDev/e23/question1/app/src/main/java/question1/ZoneFullException.java

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+package question1;
+
+public class ZoneFullException extends Exception {}
+

bac2/modalDev/e23/question1/app/src/test/java/question1/AppTest.java

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+/*
+ * This Java source file was generated by the Gradle 'init' task.
+ */
+package question1;
+
+import org.junit.jupiter.api.Test;
+import static org.junit.jupiter.api.Assertions.*;
+
+class AppTest {
+    @Test void appHasAGreeting() {
+        App classUnderTest = new App();
+        assertNotNull(classUnderTest.getGreeting(), "app should have a greeting");
+    }
+}

bac2/modalDev/e23/question1/app/src/test/java/question1/InventoryManagementTest.java

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+package question1;
+
+import static org.junit.jupiter.api.Assertions.assertEquals;
+import static org.junit.jupiter.api.Assertions.assertThrows;
+
+import org.junit.jupiter.api.Test;
+
+public class InventoryManagementTest {
+	
+	@Test
+	public void testExceptions() throws Exception {
+		InventoryManagement iv = new InventoryManagement();
+		iv.replenish(0, 10, 0);
+		assertThrows(ZoneFullException.class, () -> iv.replenish(0, 96, 0));
+	}
+
+	@Test
+	public void testExceptions2() throws Exception {
+		InventoryManagement iv = new InventoryManagement();
+		assertThrows(StockOutException.class, () -> iv.distribute(0, 0, 92));
+	}
+
+	@Test
+	public void testQuantity() throws Exception {
+		InventoryManagement iv = new InventoryManagement();
+		iv.replenish(2, 42, 0);
+		iv.replenish(2, 21, 1);
+		iv.replenish(2, 0, 3);
+		assertEquals(63, iv.quantity(2));
+	}
+
+	@Test
+	public void testMove() throws Exception {
+		InventoryManagement iv = new InventoryManagement();
+		iv.replenish(42, 50, 1);
+		iv.move(42, 21, 1, 2);
+		assertEquals(50, iv.quantity(42));
+	}
+
+	@Test
+	public void testFailure() throws Exception {
+		InventoryManagement iv = new InventoryManagement();
+		iv.replenish(42, 50, 1);
+		iv.replenish(42, 50, 2);
+		assertEquals(5050, iv.quantity(42)); // Should return a Failure
+	}
+	
+	@Test
+	public void testError() throws Exception {
+		InventoryManagement iv = new InventoryManagement();
+		iv.replenish(42, 100, 1);
+		iv.replenish(42, 1, 1); // Should create an error
+		
+	}
+}