package com.nisum.junit; import org.junit.jupiter.api.*; import org.junit.jupiter.api.extension.ExtendWith; import org.junit.jupiter.params.ParameterizedTest; import org.junit.jupiter.params.provider.CsvFileSource; import org.mockito.Mock; import org.mockito.Mockito; import org.mockito.junit.jupiter.MockitoExtension; @ExtendWith(MockitoExtension.class) public class EmployeeMockTest { @Mock Employee mockEmployee; @BeforeEach public void setUpMock(){ mockEmployee = Mockito.mock(Employee.class); Mockito.when(mockEmployee.getFirstName()).thenReturn("Employee from Mock"); } @Test public void printMessageTest(){ Assertions.assertEquals("Employee from Mock", mockEmployee.getFirstName()); } }