feat: adds Karens lesson_15 test cases for Employee and EmployeeManager files

Author: karensprojects22

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

@@ -0,0 +1,34 @@
+package com.codedifferently.lesson15;
+
+import static org.junit.jupiter.api.Assertions.assertEquals;
+import org.junit.jupiter.api.Test;
+
+public class EmployeeManagerTest {
+  @Test
+  public void testAddEmployee() {
+    // Arrange
+    var employee = new Employee(1, "Karen", "Technical", 150000);
+    var employeeManager = new EmployeeManager();
+
+    // Act
+    employeeManager.addEmployee(employee);
+
+    // Assert
+    assertEquals(employee, employeeManager.getEmployee(1));
+  }
+
+  @Test
+  public void testGetEmployee() {
+    // Arrange - creating new employee and new employee manager
+    var employee = new Employee(1, "Karen", "Technical", 150000);
+    var employeeManager = new EmployeeManager();
+
+    // Act - test that manager gets employee by its id
+    //adds employee to manager hashmap
+    employeeManager.addEmployee(employee);
+    Employee actualEmployee = employeeManager.getEmployee(1);
+
+    // Assert
+    assertEquals(actualEmployee, employee);
+  }
+}

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

@@ -0,0 +1,107 @@
+package com.codedifferently.lesson15;
+
+import static org.junit.jupiter.api.Assertions.assertEquals;
+import org.junit.jupiter.api.Test;
+
+public class EmployeeTest {
+
+  @Test
+  public void testSetId() {
+    // Arrange - create a new employee with initial id
+    Employee employee = new Employee(1, "Karen", "Technical", 300000);
+
+    // Act - get initial expected employee id
+    int expected = 1;
+    int employeeId = employee.getId();
+
+    // Assert - return expected id
+    assertEquals(expected, employeeId);
+  }
+
+  @Test
+  public void testGetId() {
+    // Arrange - create a new employee with initial id
+    Employee employee = new Employee(1, "Karen", "Technical", 300000);
+
+    // Act - set a new employee id
+    employee.setId(4);
+
+    // Assert - returns new employee id
+    assertEquals(4, employee.getId());
+  }
+
+  @Test
+  public void testGetName() {
+    // Arrange - creates a new employee with initial name
+    Employee employee = new Employee(1, "Karen", "Technical", 300000);
+
+    // Act - gets initial expected name of employee
+    String expected = "Karen";
+    String employeeName = employee.getName();
+
+    // Assert - returns employee name
+    assertEquals(expected, employeeName);
+  }
+
+  @Test
+  public void testSetName() {
+    // Arrange - creates a new employee with initial name
+    Employee employee = new Employee(1, "Karen", "Technical", 300000);
+
+    // Act - sets employee name to a new employee
+    employee.setName("Kaleb");
+
+    // Assert - checks new employee name is updated
+    assertEquals("Kaleb", employee.getName());
+  }
+
+  @Test
+  public void testGetDepartment() {
+    // Arrange - creates a new employee under initial department
+    Employee employee = new Employee(1, "Karen", "Technical", 300000);
+
+    // Act - retrieves employee department using getter method
+    String expected = "Technical";
+    String employeeName = employee.getDepartment();
+
+    // Assert - checks employee department is correct; returns expected employee department
+    assertEquals(expected, employeeName);
+  }
+
+  @Test
+  public void testSetDepartment() {
+    // Arrange - creates new employee under initial department
+    Employee employee = new Employee(1, "Karen", "Technical", 300000);
+
+    // Act - updates department employee is under with setter method
+    employee.setDepartment("Fashion");
+
+    // Assert - returns updated department of employee
+    assertEquals("Fashion", employee.getDepartment());
+  }
+
+  @Test
+  public void testGetSalary() {
+    // Arrange - creates new employee with initial salary
+    Employee employee = new Employee(1, "Karen", "Technical", 300000);
+
+    // Act - retrieves new employee salary with getter method
+    int expected = 300000;
+    Double employeeSalary = employee.getSalary();
+
+    // Assert - verifys employee salary is correct; returns expected employee salary
+    assertEquals(expected, employeeSalary);
+  }
+
+  @Test
+  public void testSetSalary() {
+    // Arrange - creates new employee with inital salary
+    Employee employee = new Employee(1, "Karen", "Technical", 300000);
+
+    // Act - updates new employees salary with setter method
+    employee.setSalary(350000);
+
+    // Assert - ensures new salary is
+    assertEquals(350000, employee.getSalary());
+  }
+}