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* as represented by the Administrator of the National Aeronautics and Space
* Administration. All rights reserved.
*
* The MCT platform is licensed under the Apache License, Version 2.0 (the
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* You may obtain a copy of the License at
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* WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
* License for the specific language governing permissions and limitations under
* the License.
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package gov.nasa.arc.mct.canvas.view;
import gov.nasa.arc.mct.canvas.view.PanelBorderSelectionTest.MockTitleManifestation;
import gov.nasa.arc.mct.components.AbstractComponent;
import gov.nasa.arc.mct.gui.MCTViewManifestationInfoImpl;
import gov.nasa.arc.mct.gui.View;
import gov.nasa.arc.mct.services.component.ViewInfo;
import gov.nasa.arc.mct.services.component.ViewType;
import java.awt.Color;
import java.beans.PropertyChangeEvent;
import java.beans.PropertyChangeListener;
import java.lang.reflect.Field;
import java.lang.reflect.InvocationTargetException;
import java.lang.reflect.Method;
import java.util.Collections;
import javax.swing.JComponent;
import javax.swing.JLabel;
import javax.swing.JPanel;
import org.mockito.Mock;
import org.mockito.Mockito;
import org.mockito.MockitoAnnotations;
import org.testng.Assert;
import org.testng.annotations.BeforeMethod;
import org.testng.annotations.Test;
public final class PanelInspectorTest {
private PanelInspector panelInspector;
/*
* Harleigh108: The following two variables we need for fixing this test, so that it can be run with
* respect to Java7 (as well as still work in Java6). Object 'view' used to be Mocked, but
* this causes test 'testEnterLockedState()' to fail when built with respect to Java 7.
*/
private View view = null;
@Mock
private AbstractComponent mockComponent;
Method showHideControllerMethod;
@SuppressWarnings("serial")
@BeforeMethod
public void setup() {
MockitoAnnotations.initMocks(this);
/*Harleigh108:
* Rather than mocking a view, we create one with dummy-content, this is because adding a mocked container to a container
* will cause a NPE. See testMouseDragIncremental in MarqueSelectionListenerTest.java
*/
view = new MockManifestation(mockComponent, new ViewInfo(MockManifestation.class, "", ViewType.OBJECT)) {
/*
* Originally, in 'testLockedState()' we had Mockito.verify(view, Mockito.times(1)).exitLockedState(), that is we verified
* that the method 'exitLockedState()' is called exactly once during the test 'testLockedState()'. Since we can not use
* mock-types (see comments in 'testLockedState()') we implemented the following instead:
*/
private int NumberCalls = 0; //Number of calls to method exitLockedState
@Override
public void exitLockedState() {
NumberCalls= NumberCalls +1;
super.exitLockedState();
}
@Override
public int getNumberCallsToExitLockedState() {
return NumberCalls;
}
};//--end class
MCTViewManifestationInfoImpl info = new MCTViewManifestationInfoImpl();
view.putClientProperty(CanvasManifestation.MANIFEST_INFO, info);
Mockito.when(mockComponent.getViewInfos(ViewType.TITLE)).thenReturn(Collections.singleton(new ViewInfo(MockTitleManifestation.class,"", ViewType.TITLE)));
Mockito.when(mockComponent.getDisplayName()).thenReturn("test comp");
Mockito.when(mockComponent.getComponents()).thenReturn(Collections.<AbstractComponent> emptyList());
AbstractComponent ac = Mockito.mock(AbstractComponent.class);
ViewInfo vi = Mockito.mock(ViewInfo.class);
panelInspector = new PanelInspector(ac, vi) {
@Override
protected JComponent getViewControls() {
return new JPanel();
}
};
try {
// set content field
Field cf = PanelInspector.class.getDeclaredField("content");
cf.setAccessible(true);
cf.set(panelInspector, new JPanel());
// set view field
Field vf = PanelInspector.class.getDeclaredField("view");
vf.setAccessible(true);
vf.set(panelInspector, view);
showHideControllerMethod = PanelInspector.class.getDeclaredMethod("showOrHideController", boolean.class);
showHideControllerMethod.setAccessible(true);
} catch (SecurityException e) {
Assert.fail(e.getMessage(), e);
} catch (NoSuchFieldException e) {
Assert.fail(e.getMessage(), e);
} catch (IllegalArgumentException e) {
Assert.fail(e.getMessage(), e);
} catch (IllegalAccessException e) {
Assert.fail(e.getMessage(), e);
} catch (NoSuchMethodException e) {
Assert.fail(e.getMessage(), e);
}
}
@Test
public void testGetHousedViewManifestation() {
Assert.assertEquals(panelInspector.getHousedViewManifestation(), view);
}
@Test
public void testEnterLockedState() {
try {
// set canvas locked state (isLocked) to true
Field cf = PanelInspector.class.getDeclaredField("isLocked");
cf.setAccessible(true);
cf.set(panelInspector, Boolean.TRUE);
/* Harleigh108
* In Java 7 we can not add mocked things to a container. In this case: in method 'showOrHideController' in PanelInspector.java
* we received a NullPointerException when we added the view to the scroll_pane (i.e. scrollPane.setViewportView(view);). We got
* the NPE since 'view' was originally a Mock--google 'Container.add(mock(Container.class)) fails in Java 7'. The fix was to
* create a real View object rather than a mock one. Why all the NPEs? java.awt.Container.addImp has been changed between Java 6 and Java 7.
*/
showHideControllerMethod.invoke(panelInspector, true);
System.out.println("The number of times exitLockedState() has been called: " + ((MockManifestation)view).getNumberCallsToExitLockedState());
//Harleigh108:
/* During the test for LockedState, we only want the method 'exitLockedState' to be called once, originally we had
* Mockito.verify(view, Mockito.times(1)).exitLockedState(); but as we no longer have a mock-type, we have the following instead.
*/
Assert.assertEquals(((MockManifestation)view).getNumberCallsToExitLockedState(), 1);
} catch (SecurityException e) {
Assert.fail(e.getMessage(), e);
} catch (NoSuchFieldException e) {
Assert.fail(e.getMessage(), e);
} catch (IllegalArgumentException e) {
Assert.fail(e.getMessage(), e);
} catch (IllegalAccessException e) {
Assert.fail(e.getMessage(), e);
} catch (InvocationTargetException e) {
Assert.fail(e.getMessage(), e);
} catch (AssertionError e) {
Assert.fail(e.getMessage(), e);
}
}
// Test for root cause of https://github.com/nasa/mct/issues/172
@Test
public void testLabelTransferHandler() throws Exception {
Mockito.when(mockComponent.getViewInfos(Mockito.<ViewType>any()))
.thenReturn(Collections.singleton(
new ViewInfo(MockManifestation.class, "", ViewType.OBJECT)));
PropertyChangeEvent mockEvent = Mockito.mock(PropertyChangeEvent.class);
Field viewTitleField = PanelInspector.class.getDeclaredField("viewTitle");
viewTitleField.setAccessible(true);
JLabel viewTitle = JLabel.class.cast(viewTitleField.get(panelInspector));
Field changeField = PanelInspector.class.getDeclaredField("selectionChangeListener");
changeField.setAccessible(true);
PropertyChangeListener inspectorPropertyChangeListener =
PropertyChangeListener.class.cast(changeField.get(panelInspector));
Mockito.when(mockEvent.getNewValue()).thenReturn(Collections.singleton(view));
inspectorPropertyChangeListener.propertyChange(mockEvent);
Assert.assertNotNull(viewTitle.getTransferHandler());
Mockito.when(mockEvent.getNewValue()).thenReturn(Collections.EMPTY_LIST);
inspectorPropertyChangeListener.propertyChange(mockEvent);
Assert.assertNotNull(viewTitle.getTransferHandler());
}
/* Harleigh108:
* This is a little helper class so I can make a mock-view component without using Mockito (see method 'testMouseDragIncremental'
* above for more detail.
*/
@SuppressWarnings("serial")
public static class MockManifestation extends View {
public MockManifestation(AbstractComponent component, ViewInfo vi) {
super(component,vi);
this.setBackground(Color.GREEN);
}
public int getNumberCallsToExitLockedState() {
// TODO Auto-generated method stub
return 0;
}
}//End MockManifestation class
}