Same tests with Mock

TagManagerKata/test/session4/TagManagerTest.java

@@ -1,17 +1,45 @@
 package session4;
 
-import static org.junit.Assert.assertEquals;
+import static org.junit.Assert.*;
 
 import java.awt.Image;
+import java.util.Arrays;
+import java.util.List;
 
-import org.junit.Ignore;
+import org.junit.Before;
 import org.junit.Test;
+import org.junit.runner.RunWith;
+import org.mockito.Mock;
+import org.mockito.Mockito;
+import org.mockito.runners.MockitoJUnitRunner;
 
 import com.squeed.kata.nametag.NameTagManager;
 import com.squeed.kata.nametag.entities.Attendee;
 import com.squeed.kata.nametag.entities.Event;
+import com.squeed.kata.nametag.services.PrintingService;
 
+@RunWith(MockitoJUnitRunner.class)
 public class TagManagerTest {
+	private NameTagManagerImpl testee;
+	
+	@Mock
+	private Event event;
+	@Mock
+	private PrintingService printingService;
+	@Mock
+	private Attendee a_person;
+
+	@Mock
+	private Image defaultImage;
+
+
+	@Before
+	public void setup(){
+		testee = new NameTagManagerImpl(printingService);
+		
+		Mockito.when(event.getDefaultImage()).thenReturn(defaultImage);
+		
+	}
 	@Test
 	public void when_event_is_empty_nothing_is_printed() throws Exception {
 		Event event = new EmptyEvent();
@@ -36,7 +64,24 @@ public class TagManagerTest {
 		testee.printNameTagsForEvent(event);
 		
 		assertEquals(defaultImage, printingService.getPrintedImage(0));
-
 	}
 	
+	
+	@Test
+	public void same_As_first_test_with_mock() throws Exception {
+
+		testee.printNameTagsForEvent(event);
+		
+		Mockito.verifyZeroInteractions(printingService);
+	}
+	
+	@Test
+	public void same_as_second_test_with_mock() throws Exception {
+		List<Attendee> persons = Arrays.asList(a_person);
+		Mockito.when(event.getExpectedAttendees()).thenReturn(persons);
+		
+		testee.printNameTagsForEvent(event);
+		
+		Mockito.verify(printingService).printNameTagFor(a_person, defaultImage);
+	}
 }