adds David implementation of Junit Tests for Employee class and EmployeeManager

Author: Dadenaike251

lesson_15/tdd/tdd_app/src/main/java/com/codedifferently/lesson15/Employee.java

@@ -57,3 +57,4 @@ public String getDetails() {
         + salary;
   }
 }
+// dd

lesson_15/tdd/tdd_app/src/test/java/com/codedifferently/lesson15/EmployeeManagerTest.java

@@ -90,7 +90,7 @@ public void test_getEmployeeCount() {
 
     // Act
     int count = employeeManager.getEmployeeCount();
-
+ß
     // Assert
     assertEquals(2, count);
   }

lesson_15/tdd/tdd_app/src/test/java/com/codedifferently/lesson15/EmployeeTest.java

@@ -0,0 +1,124 @@
+package com.codedifferently.lesson15;
+
+import static org.junit.jupiter.api.Assertions.assertEquals;
+
+import org.junit.jupiter.api.Test;
+
+public class EmployeeTest {
+
+  @Test
+  public void test_getId() {
+
+    // Arrange
+    int expectedId = 1;
+    Employee employee = new Employee(expectedId, null, null, 0);
+
+    // Act
+    int actualId = employee.getId();
+    // Assert
+    assertEquals(expectedId, actualId);
+  }
+
+  @Test
+  public void test_setId() {
+    // Arrange
+    Employee employee = new Employee(0, null, null, 0);
+
+    // Act
+    int expectedId = 1;
+    employee.setId(expectedId);
+    // Assert
+    assertEquals(expectedId, employee.getId(), "Id should be set to expected value");
+  }
+
+  @Test
+  public void test_getName() {
+
+    // Arrange
+    String expectedName = "John Doe";
+    Employee employee = new Employee(1, expectedName, "Engineering", 50000.0);
+    // Act
+    String actualName = employee.getName();
+    // Assert
+    assertEquals(expectedName, actualName, "Name should match the expected value");
+  }
+
+  @Test
+  public void test_setName() {
+
+    // Arrange
+    Employee employee = new Employee(1, "Jane Doe", "Engineering", 50000.0);
+    // Act
+    String expectedName = "John Doe";
+    employee.setName(expectedName);
+    // Assert
+    assertEquals(expectedName, employee.getName(), "Name should be set to expected value");
+  }
+
+  @Test
+  public void test_getDepartment() {
+
+    // Arrange
+    String expectedDepartment = "Engineering";
+    Employee employee = new Employee(1, "John Doe", expectedDepartment, 50000.0);
+    // Act
+    String actualDepartment = employee.getDepartment();
+    // Assert
+    assertEquals(
+        expectedDepartment, actualDepartment, "Department should match the expected value");
+  }
+
+  @Test
+  public void test_setDepartment() {
+    // Arrange
+    Employee employee = new Employee(1, "John Doe", "Engineering", 50000.0);
+    String expectedDepartment = "Marketing";
+
+    // Act
+    employee.setDepartment(expectedDepartment);
+
+    // Assert
+    assertEquals(
+        expectedDepartment, employee.getDepartment(), "Department should be set to expected value");
+  }
+
+  @Test
+  public void test_getSalary() {
+    // Arrange
+    double expectedSalary = 50000.0;
+    Employee employee = new Employee(1, "John Doe", "Engineering", expectedSalary);
+
+    // Act
+    double actualSalary = employee.getSalary();
+
+    // Assert
+    assertEquals(expectedSalary, actualSalary, "Salary should match the expected value");
+  }
+
+  @Test
+  public void test_setSalary() {
+    // Arrange
+    Employee employee = new Employee(1, "John Doe", "Engineering", 50000.0);
+    double expectedSalary = 60000.0;
+
+    // Act
+    employee.setSalary(expectedSalary);
+
+    // Assert
+    assertEquals(expectedSalary, employee.getSalary(), "Salary should be set to expected value");
+  }
+
+  @Test
+  public void test_getDetails() {
+    // Arrange
+    Employee employee = new Employee(1, "John Doe", "Engineering", 50000.0);
+    String expectedDetails =
+        "Employee's ID: 1 Name: John Doe Department: Engineering Salary: 50000.0";
+
+    // Act
+    String actualDetails = employee.getDetails();
+
+    // Assert
+    assertEquals(expectedDetails, actualDetails, "Details should match the expected format");
+  }
+}