UpdateElementPositionCommandTest.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.graph.command.impl;

import org.junit.Before;
import org.junit.Test;
import org.junit.runner.RunWith;
import org.kie.workbench.common.stunner.core.command.CommandResult;
import org.kie.workbench.common.stunner.core.command.exception.BadCommandArgumentsException;
import org.kie.workbench.common.stunner.core.graph.Node;
import org.kie.workbench.common.stunner.core.graph.content.Bounds;
import org.kie.workbench.common.stunner.core.graph.content.view.View;
import org.kie.workbench.common.stunner.core.rule.RuleEvaluationContext;
import org.kie.workbench.common.stunner.core.rule.RuleViolation;
import org.mockito.ArgumentCaptor;
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 UpdateElementPositionCommandTest extends AbstractGraphCommandTest {

    private static final String UUID = "testUUID";
    private static final Double X = 100d;
    private static final Double Y = 100d;
    private static final Double W = 50d;
    private static final Double H = 50d;
    private static final Double TX = 200d;
    private static final Double TY = 200d;

    @Mock
    Node candidate;
    private View content;
    private UpdateElementPositionCommand tested;

    @Before
    public void setup() throws Exception {
        super.init(500,
                   500);
        content = mockView(X,
                           Y,
                           W,
                           H);
        when(candidate.getContent()).thenReturn(content);
        when(graphIndex.getNode(eq(UUID))).thenReturn(candidate);
        this.tested = new UpdateElementPositionCommand(UUID,
                                                       TX,
                                                       TY);
    }

    @Test
    @SuppressWarnings("unchecked")
    public void testAllow() {
        CommandResult<RuleViolation> result = tested.allow(graphCommandExecutionContext);
        assertEquals(CommandResult.Type.INFO,
                     result.getType());
        verify(ruleManager,
               times(0)).evaluate(eq(ruleSet),
                                  any(RuleEvaluationContext.class));
    }

    @Test(expected = BadCommandArgumentsException.class)
    public void testAllowNodeNotFound() {
        when(graphIndex.getNode(eq(UUID))).thenReturn(null);
        tested.allow(graphCommandExecutionContext);
    }

    @Test
    public void testExecute() {
        CommandResult<RuleViolation> result = tested.execute(graphCommandExecutionContext);
        ArgumentCaptor<Bounds> bounds = ArgumentCaptor.forClass(Bounds.class);
        verify(content,
               times(1)).setBounds(bounds.capture());
        assertEquals(CommandResult.Type.INFO,
                     result.getType());
        Bounds b = bounds.getValue();
        assertEquals(UUID,
                     tested.getUuid());
        assertEquals(X,
                     tested.getOldX());
        assertEquals(Y,
                     tested.getOldY());
        assertEquals(TY,
                     b.getUpperLeft().getY());
        assertEquals(Double.valueOf(TX + W),
                     b.getLowerRight().getX());
        assertEquals(Double.valueOf(TY + H),
                     b.getLowerRight().getY());
    }

    @Test(expected = BadCommandArgumentsException.class)
    public void testExecuteNodeNotFound() {
        when(graphIndex.getNode(eq(UUID))).thenReturn(null);
        tested.execute(graphCommandExecutionContext);
    }

    @Test
    public void testAllowBadBounds() {
        this.tested = new UpdateElementPositionCommand(UUID,
                                                       600d,
                                                       600d);
        final CommandResult<RuleViolation> result = tested.allow(graphCommandExecutionContext);
        verify(content,
               never()).setBounds(any(Bounds.class));
        assertEquals(CommandResult.Type.ERROR,
                     result.getType());
    }

    @Test
    public void testExecuteBadBounds() {
        this.tested = new UpdateElementPositionCommand(UUID,
                                                       600d,
                                                       600d);
        final CommandResult<RuleViolation> result = tested.execute(graphCommandExecutionContext);
        verify(content,
               never()).setBounds(any(Bounds.class));
        assertEquals(CommandResult.Type.ERROR,
                     result.getType());
    }
}