init

source/src/test/controller/ControllerTest.java

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+package controller;
+
+import org.junit.jupiter.api.BeforeEach;
+import org.junit.jupiter.api.Test;
+import integration.BikeRegistry;
+import integration.RepairTaskCatalog;
+import model.Amount;
+import model.BikeDTO;
+import model.RepairOrder;
+import model.RepairShop;
+
+import static org.junit.jupiter.api.Assertions.*;
+
+class ControllerTest {
+
+    private Controller controller;
+
+    @BeforeEach
+    void setUp() {
+        BikeRegistry bikeRegistry = new BikeRegistry();
+        RepairTaskCatalog taskCatalog = new RepairTaskCatalog();
+        RepairShop repairShop = new RepairShop();
+        controller = new Controller(repairShop, bikeRegistry, taskCatalog);
+        controller.startNewRepair();
+    }
+
+    @Test
+    void enterBikeIdWithValidIdReturnsNonNullBikeDTO() {
+        BikeDTO bike = controller.enterBikeID("BIKE-001");
+        assertNotNull(bike);
+    }
+
+    @Test
+    void enterBikeIdWithValidIdReturnsCorrectBikeId() {
+        BikeDTO bike = controller.enterBikeID("BIKE-001");
+        assertEquals("BIKE-001", bike.getBikeID());
+    }
+
+    @Test
+    void enterBikeIdWithUnknownIdReturnsNull() {
+        BikeDTO bike = controller.enterBikeID("BIKE-999");
+        assertNull(bike);
+    }
+
+    @Test
+    void addRepairTaskWithValidNameReturnsNonNullAmount() {
+        controller.enterBikeID("BIKE-001");
+        Amount total = controller.addRepairTask("Brake Pad Replacement");
+        assertNotNull(total);
+    }
+
+    @Test
+    void addRepairTaskWithValidNameReturnsCorrectRunningTotal() {
+        controller.enterBikeID("BIKE-001");
+        Amount total = controller.addRepairTask("Brake Pad Replacement");
+        assertEquals(350, total.getValue(), 0.001);
+    }
+
+    @Test
+    void addTwoRepairTasksReturnsCumulativeTotal() {
+        controller.enterBikeID("BIKE-001");
+        controller.addRepairTask("Brake Pad Replacement");
+        Amount total = controller.addRepairTask("Tire Replacement");
+        assertEquals(850, total.getValue(), 0.001);
+    }
+
+    @Test
+    void addRepairTaskWithUnknownNameReturnsNull() {
+        controller.enterBikeID("BIKE-001");
+        Amount total = controller.addRepairTask("Non-existing Task");
+        assertNull(total);
+    }
+
+    @Test
+    void endRepairReturnsNonNullRepairOrder() {
+        controller.enterBikeID("BIKE-001");
+        controller.addRepairTask("Battery Check");
+        RepairOrder repairOrder = controller.endRepair();
+        assertNotNull(repairOrder);
+    }
+
+    @Test
+    void endRepairReturnsRepairOrderWithCorrectBikeId() {
+        controller.enterBikeID("BIKE-002");
+        RepairOrder repairOrder = controller.endRepair();
+        assertEquals("BIKE-002", repairOrder.getBike().getBikeID());
+    }
+
+    @Test
+    void endRepairReturnsRepairOrderWithCorrectTotalAfterTasks() {
+        controller.enterBikeID("BIKE-001");
+        controller.addRepairTask("Battery Check");
+        controller.addRepairTask("Chain Lubrication");
+        RepairOrder repairOrder = controller.endRepair();
+        assertEquals(350, repairOrder.getTotal().getValue(), 0.001);
+    }
+
+    @Test
+    void enterDiagnosticReportIsReflectedInFinalRepairOrder() {
+        controller.enterBikeID("BIKE-003");
+        controller.enterDiagnosticReport("Chain replaced and tested.");
+        RepairOrder repairOrder = controller.endRepair();
+        assertEquals("Chain replaced and tested.", repairOrder.getDiagnosticReport());
+    }
+}