InputControlsServiceTest.java

package com.jaspersoft.jasperserver.jaxrs.client.apiadapters.inputControls;

import com.jaspersoft.jasperserver.jaxrs.client.core.SessionStorage;
import org.mockito.Mock;
import org.powermock.core.classloader.annotations.PrepareForTest;
import org.powermock.modules.testng.PowerMockTestCase;
import org.testng.annotations.AfterMethod;
import org.testng.annotations.BeforeMethod;
import org.testng.annotations.Test;

import static org.mockito.Mockito.reset;
import static org.mockito.MockitoAnnotations.initMocks;
import static org.powermock.api.mockito.PowerMockito.doReturn;
import static org.powermock.api.mockito.PowerMockito.spy;
import static org.testng.Assert.assertEquals;
import static org.testng.Assert.assertSame;

/**
 * @author Tetiana Iefimenko
 */
@PrepareForTest({InputControlsService.class})
public class InputControlsServiceTest extends PowerMockTestCase {
    @Mock
    private SessionStorage sessionStorageMock;
    @Mock
    private InputControlsAdapter adapterMock;

    @BeforeMethod
    public void before() {
        initMocks(this);
    }

    @Test
    public void should_pass_session_storage_to_parent_adapter() {
        // Given
        InputControlsService service = new InputControlsService(sessionStorageMock);
        // When
        SessionStorage retrieved = service.getSessionStorage();
        // Then
        assertSame(retrieved, sessionStorageMock);
    }

    @Test(expectedExceptions = IllegalArgumentException.class)
    public void should_throw_an_exception_when_sessionStorage_is_null() {
        // When
        new InputControlsService(null);
        // Then
        // should be thrown an exception
    }


    @Test
    public void should_return_adapter_instance() {
        // Given
        InputControlsService serviceSpy  = spy(new InputControlsService(sessionStorageMock));
        doReturn(adapterMock).when(serviceSpy).inputControls();
        // When
        InputControlsAdapter retried = serviceSpy.inputControls();

        // Then
        assertEquals(adapterMock, retried);
    }

    @AfterMethod
    public void after() {
        reset(sessionStorageMock, adapterMock);
    }
}