ClasspathContainerTest.java

/*******************************************************************************
 * Copyright (c) 2012-2017 Codenvy, S.A.
 * All rights reserved. This program and the accompanying materials
 * are made available under the terms of the Eclipse Public License v1.0
 * which accompanies this distribution, and is available at
 * http://www.eclipse.org/legal/epl-v10.html
 *
 * Contributors:
 *   Codenvy, S.A. - initial API and implementation
 *******************************************************************************/
package org.eclipse.che.ide.ext.java.client.command;

import com.google.web.bindery.event.shared.EventBus;

import org.eclipse.che.api.promises.client.Promise;
import org.eclipse.che.ide.ext.java.client.project.classpath.ClasspathChangedEvent;
import org.eclipse.che.ide.ext.java.client.project.classpath.service.ClasspathServiceClient;
import org.eclipse.che.ide.ext.java.shared.dto.classpath.ClasspathEntryDto;
import org.junit.Before;
import org.junit.Test;
import org.junit.runner.RunWith;
import org.mockito.InjectMocks;
import org.mockito.Mock;
import org.mockito.runners.MockitoJUnitRunner;

import java.util.List;

import static org.junit.Assert.assertEquals;
import static org.mockito.Matchers.anyString;
import static org.mockito.Mockito.never;
import static org.mockito.Mockito.reset;
import static org.mockito.Mockito.verify;
import static org.mockito.Mockito.when;

/**
 * @author Valeriy Svydenko
 */
@RunWith(MockitoJUnitRunner.class)
public class ClasspathContainerTest {
    private static final String PROJECT_PATH = "/project1";

    @Mock
    private ClasspathServiceClient classpathServiceClient;
    @Mock
    private EventBus               eventBus;

    @Mock
    private Promise<List<ClasspathEntryDto>> classpathEntries;

    @InjectMocks
    private ClasspathContainer classpathContainer;

    @Before
    public void setUp() throws Exception {
        when(classpathServiceClient.getClasspath(anyString())).thenReturn(classpathEntries);
    }

    @Test
    public void changedClasspathHandlerShouldBeAdded() throws Exception {
        verify(eventBus).addHandler(ClasspathChangedEvent.TYPE, classpathContainer);
    }

    @Test
    public void classpathShouldBeAdded() throws Exception {
        Promise<List<ClasspathEntryDto>> entries = classpathContainer.getClasspathEntries(PROJECT_PATH);

        verify(classpathServiceClient).getClasspath(PROJECT_PATH);
        assertEquals(classpathEntries, entries);
    }

    @Test
    public void classpathAlreadyIncludes() throws Exception {
        classpathContainer.getClasspathEntries(PROJECT_PATH);

        reset(classpathServiceClient);

        Promise<List<ClasspathEntryDto>> entries = classpathContainer.getClasspathEntries(PROJECT_PATH);

        verify(classpathServiceClient, never()).getClasspath(PROJECT_PATH);
        assertEquals(classpathEntries, entries);
    }
}