FileWatcherManagerTest.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.api.vfs.watcher;

import org.junit.After;
import org.junit.Before;
import org.junit.Rule;
import org.junit.Test;
import org.junit.rules.TemporaryFolder;
import org.junit.runner.RunWith;
import org.mockito.Mock;
import org.mockito.runners.MockitoJUnitRunner;

import java.nio.file.Path;
import java.nio.file.PathMatcher;
import java.util.function.Consumer;

import static org.eclipse.che.api.vfs.watcher.FileWatcherUtils.toNormalPath;
import static org.mockito.Mockito.verify;

/**
 * Tests for {@link FileWatcherManager}
 */
@RunWith(MockitoJUnitRunner.class)
public class FileWatcherManagerTest {
    private static final String PATH = "/path";
    private static final int    ID   = 0;

    @Rule
    public TemporaryFolder rootFolder = new TemporaryFolder();

    @Mock
    FileWatcherByPathValue   fileWatcherByPathValue;
    @Mock
    FileWatcherByPathMatcher fileWatcherByPathMatcher;
    @Mock
    FileWatcherService       service;

    FileWatcherManager manager;

    @Mock
    Consumer<String> create;
    @Mock
    Consumer<String> modify;
    @Mock
    Consumer<String> delete;
    @Mock
    PathMatcher      pathMatcher;

    @Before
    public void setUp() throws Exception {
        manager = new FileWatcherManager(rootFolder.getRoot(), fileWatcherByPathValue, fileWatcherByPathMatcher, service);
    }

    @Test
    public void shouldSuspendService() throws Exception {
        manager.suspend();

        verify(service).suspend();
    }

    @Test
    public void shouldResumeService() throws Exception {
        manager.resume();

        verify(service).resume();
    }

    @Test
    public void shouldWatchByPath() throws Exception {
        manager.registerByPath(PATH, create, modify, delete);

        Path path = toNormalPath(rootFolder.getRoot().toPath(), PATH);

        verify(fileWatcherByPathValue).watch(path, create, modify, delete);
    }

    @Test
    public void shouldUnWatchByPath() throws Exception {
        manager.unRegisterByPath(ID);

        verify(fileWatcherByPathValue).unwatch(ID);
    }

    @Test
    public void shouldWatchByMatcher() throws Exception {
        manager.registerByMatcher(pathMatcher, create, modify, delete);

        verify(fileWatcherByPathMatcher).watch(pathMatcher, create, modify, delete);
    }

    @Test
    public void shouldUnWatchByMatcher() throws Exception {
        manager.unRegisterByMatcher(ID);

        verify(fileWatcherByPathMatcher).unwatch(ID);
    }
}