FileWatcherOperationTest.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.Before;
import org.junit.Test;
import org.junit.runner.RunWith;
import org.mockito.Mock;
import org.mockito.runners.MockitoJUnitRunner;

import java.util.Optional;
import java.util.function.Consumer;

import static java.nio.file.StandardWatchEventKinds.ENTRY_CREATE;
import static java.nio.file.StandardWatchEventKinds.ENTRY_DELETE;
import static java.nio.file.StandardWatchEventKinds.ENTRY_MODIFY;
import static org.junit.Assert.assertEquals;
import static org.junit.Assert.assertTrue;

/**
 * Tests for {@link FileWatcherOperation}
 */
@RunWith(MockitoJUnitRunner.class)
public class FileWatcherOperationTest {
    private final static int ID = 0;
    @Mock
    Consumer<String> create;
    @Mock
    Consumer<String> modify;
    @Mock
    Consumer<String> delete;

    FileWatcherOperation operation;

    @Before
    public void setUp() throws Exception {
        operation = new FileWatcherOperation(ID, create, modify, delete);
    }

    @Test
    public void shouldProperlyGetCreateEventKindConsumer() throws Exception {
        Optional<Consumer<String>> consumer = operation.get(ENTRY_CREATE);

        assertTrue(consumer.isPresent());
        if (consumer.isPresent()) {
            Consumer<String> actual = consumer.get();
            assertEquals(create, actual);
        }
    }

    @Test
    public void shouldProperlyGetModifyEventKindConsumer() throws Exception {
        Optional<Consumer<String>> consumer = operation.get(ENTRY_MODIFY);

        assertTrue(consumer.isPresent());
        if (consumer.isPresent()) {
            Consumer<String> actual = consumer.get();
            assertEquals(modify, actual);
        }
    }

    @Test
    public void shouldProperlyGetDeleteEventKindConsumer() throws Exception {
        Optional<Consumer<String>> consumer = operation.get(ENTRY_DELETE);

        assertTrue(consumer.isPresent());
        if (consumer.isPresent()) {
            Consumer<String> actual = consumer.get();
            assertEquals(delete, actual);
        }
    }
}