DeleteCanvasConnectorCommandTest.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.canvas.command;

import org.junit.Before;
import org.junit.Test;
import org.junit.runner.RunWith;
import org.kie.workbench.common.stunner.core.client.command.CanvasViolation;
import org.kie.workbench.common.stunner.core.command.CommandResult;
import org.kie.workbench.common.stunner.core.graph.Edge;
import org.kie.workbench.common.stunner.core.graph.Node;
import org.mockito.Mock;
import org.mockito.runners.MockitoJUnitRunner;

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

@RunWith(MockitoJUnitRunner.class)
public class DeleteCanvasConnectorCommandTest extends AbstractCanvasCommandTest {

    private static final String EDGE_ID = "e1";
    private static final String SOURCE_ID = "s1";

    @Mock
    private Edge candidate;
    @Mock
    private Node source;
    @Mock
    private Node target;

    private DeleteCanvasConnectorCommand tested;

    @Before
    public void setup() throws Exception {
        super.setup();
        when(candidate.getUUID()).thenReturn(EDGE_ID);
        when(source.getUUID()).thenReturn(SOURCE_ID);
        when(candidate.getSourceNode()).thenReturn(source);
        when(candidate.getTargetNode()).thenReturn(target);
        this.tested = new DeleteCanvasConnectorCommand(candidate);
    }

    @Test
    @SuppressWarnings("unchecked")
    public void testExecute() {
        final CommandResult<CanvasViolation> result = tested.execute(canvasHandler);
        assertNotEquals(CommandResult.Type.ERROR,
                        result.getType());
        verify(canvasHandler,
               times(1)).deregister(eq(candidate));
        verify(canvasHandler,
               times(1)).notifyCanvasElementUpdated(eq(source));
        verify(canvasHandler,
               times(1)).notifyCanvasElementUpdated(eq(target));
    }
}