konwersja-liter/src/test/java/pl/konrad/DirConverterBehaviourTest.java

package pl.konrad;


import org.junit.jupiter.api.Test;
import org.mockito.ArgumentCaptor;

import static org.junit.jupiter.api.Assertions.assertEquals;
import static org.mockito.Mockito.*;

public class DirConverterBehaviourTest {

    DirConverter dirConverter = mock(DirConverter.class);

    @Test
    public void testBehaviourWithDoNothing() {
        doNothing().when(dirConverter).convert("", ".xml");
        dirConverter.convert("", ".xml");
        verify(dirConverter, times(1)).convert("", ".xml");
    }

    @Test
    public void testBehaviourWithArgumentCaptor() {
        ArgumentCaptor<String> valueCapture = ArgumentCaptor.forClass(String.class);
        doNothing().when(dirConverter).convert(anyString(), valueCapture.capture());
        dirConverter.convert("","captured");

        assertEquals("captured",valueCapture.getValue());
    }

    @Test
    public void testBehaviourWithCalledAnswer(){
        doAnswer(invocationOnMock -> {
            Object arg0 = invocationOnMock.getArgument(0);
            Object arg1 = invocationOnMock.getArgument(1);
            assertEquals("filepath", arg0);
            assertEquals(".json", arg1);
            return null;
        }).when(dirConverter).convert(anyString(),anyString());
        dirConverter.convert("filepath",".json");
    }

    @Test
    public void testBehaviourWithPartialMocking(){
        doCallRealMethod().when(dirConverter).convert(anyString(),anyString());
        dirConverter.convert("pathToDirectory",".xml");

        verify(dirConverter,times(1)).convert("pathToDirectory",".xml");
    }

}