ClientReadOnlySessionTest.java

/*
 * Copyright 2016 Red Hat, Inc. and/or its affiliates.
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *  
 *     http://www.apache.org/licenses/LICENSE-2.0
 *  
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */

package org.kie.workbench.common.stunner.core.client.session.impl;

import com.google.gwtmockito.GwtMockitoTestRunner;
import org.junit.Before;
import org.junit.Test;
import org.junit.runner.RunWith;
import org.kie.workbench.common.stunner.core.client.canvas.AbstractCanvas;
import org.kie.workbench.common.stunner.core.client.canvas.AbstractCanvasHandler;
import org.kie.workbench.common.stunner.core.client.canvas.CanvasFactory;
import org.kie.workbench.common.stunner.core.client.canvas.controls.pan.PanControl;
import org.kie.workbench.common.stunner.core.client.canvas.controls.select.SelectionControl;
import org.kie.workbench.common.stunner.core.client.canvas.controls.zoom.ZoomControl;
import org.kie.workbench.common.stunner.core.client.canvas.listener.CanvasElementListener;
import org.kie.workbench.common.stunner.core.client.canvas.listener.CanvasShapeListener;
import org.kie.workbench.common.stunner.core.graph.Element;
import org.mockito.Mock;

import static org.junit.Assert.*;
import static org.mockito.Matchers.any;
import static org.mockito.Matchers.eq;
import static org.mockito.Mockito.*;

@RunWith(GwtMockitoTestRunner.class)
public class ClientReadOnlySessionTest {

    @Mock
    CanvasFactory<AbstractCanvas, AbstractCanvasHandler> factory;
    @Mock
    AbstractCanvas canvas;
    @Mock
    AbstractCanvasHandler canvasHandler;
    @Mock
    SelectionControl<AbstractCanvasHandler, Element> selectionControl;
    @Mock
    ZoomControl<AbstractCanvas> zoomControl;
    @Mock
    PanControl<AbstractCanvas> panControl;

    private ClientReadOnlySessionImpl tested;

    @Before
    public void setup() throws Exception {
        when(factory.newCanvas()).thenReturn(canvas);
        when(factory.newCanvasHandler()).thenReturn(canvasHandler);
        when(factory.newControl(eq(ZoomControl.class))).thenReturn(zoomControl);
        when(factory.newControl(eq(PanControl.class))).thenReturn(panControl);
        when(factory.newControl(eq(SelectionControl.class))).thenReturn(selectionControl);
        when(canvasHandler.getCanvas()).thenReturn(canvas);
        this.tested = new ClientReadOnlySessionImpl(factory);
    }

    @Test
    public void testInit() {
        assertEquals(canvas,
                     tested.getCanvas());
        assertEquals(canvasHandler,
                     tested.getCanvasHandler());
        assertEquals(selectionControl,
                     tested.getSelectionControl());
        assertEquals(zoomControl,
                     tested.getZoomControl());
        assertEquals(panControl,
                     tested.getPanControl());
    }

    @Test
    public void testOpenSession() {
        tested.open();
        verify(canvas,
               times(1)).addRegistrationListener(any(CanvasShapeListener.class));
        verify(canvasHandler,
               times(1)).addRegistrationListener(any(CanvasElementListener.class));
        verify(selectionControl,
               times(1)).enable(eq(canvasHandler));
        verify(zoomControl,
               times(1)).enable(eq(canvas));
        verify(panControl,
               times(1)).enable(eq(canvas));
    }

    @Test
    public void testDestroySession() {
        tested.isOpened = true;
        tested.doOpen(); // Force to register listeners.
        tested.destroy();
        assertFalse(tested.isOpened());
        verify(canvas,
               times(1)).removeRegistrationListener(any(CanvasShapeListener.class));
        verify(canvasHandler,
               times(1)).removeRegistrationListener(any(CanvasElementListener.class));
        verify(canvasHandler,
               times(1)).destroy();
        verify(selectionControl,
               times(1)).disable();
        verify(zoomControl,
               times(1)).disable();
        verify(panControl,
               times(1)).disable();
    }
}