HoverTimerTest.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.lienzo.toolbox;

import com.ait.lienzo.client.core.event.NodeMouseEnterEvent;
import com.ait.lienzo.client.core.event.NodeMouseExitEvent;
import com.google.gwt.user.client.Timer;
import com.google.gwtmockito.GwtMockitoTestRunner;
import org.junit.Before;
import org.junit.Test;
import org.junit.runner.RunWith;
import org.kie.workbench.common.stunner.lienzo.toolbox.HoverTimer.Actions;
import org.mockito.Mock;

import static org.junit.Assert.*;
import static org.mockito.Mockito.*;

@RunWith(GwtMockitoTestRunner.class)
public class HoverTimerTest {

    @Mock
    private Actions actions;
    @Mock
    Timer timer;
    @Mock
    private NodeMouseExitEvent exitEvent;
    @Mock
    NodeMouseEnterEvent enterEvent;

    private HoverTimer hoverTimer;

    @Before
    public void setUp() {
        when(actions.isReadyToHide()).thenReturn(true);
        hoverTimer = spy(new HoverTimer(actions));
        when(hoverTimer.createTimer()).thenReturn(timer);
    }

    @Test
    public void testFirstMouseExit() {
        hoverTimer.onNodeMouseExit(exitEvent);
        verify(actions).isReadyToHide();
        verify(timer).schedule(HoverTimer.TIMEOUT);
    }

    @Test
    public void testNotReadyMouseExit() {
        when(actions.isReadyToHide()).thenReturn(false);
        hoverTimer.onNodeMouseExit(exitEvent);
        verify(actions).isReadyToHide();
        verify(timer,
               times(0)).schedule(anyInt());
    }

    @Test
    public void testTwiceMouseExit() {
        hoverTimer.onNodeMouseExit(exitEvent);
        hoverTimer.onNodeMouseExit(exitEvent);
        verify(actions,
               times(2)).isReadyToHide();
        verify(timer,
               times(1)).schedule(HoverTimer.TIMEOUT);
    }

    @Test
    public void testMouseEnter() {
        hoverTimer.onNodeMouseExit(exitEvent);
        hoverTimer.onNodeMouseEnter(enterEvent);
        verify(timer).cancel();
        verify(actions).onMouseEnter();
        assertNull(hoverTimer.getTimer());
    }

    @Test
    public void testMouseEnterWithoutExit() {
        hoverTimer.onNodeMouseEnter(enterEvent);
        verify(timer,
               times(0)).cancel();
        verify(actions).onMouseEnter();
        assertNull(hoverTimer.getTimer());
    }

    @Test
    public void testTimer() {
        Timer t = new HoverTimer(actions).createTimer();
        t.run();
        verify(actions).onMouseExit();
    }
}