/*-
* -\-\-
* docker-client
* --
* Copyright (C) 2016 Spotify AB
* --
* 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 com.spotify.docker.client;
import static org.hamcrest.Matchers.is;
import static org.junit.Assert.assertThat;
import static org.mockito.Mockito.mock;
import static org.mockito.Mockito.when;
import java.io.ByteArrayOutputStream;
import java.nio.ByteBuffer;
import org.junit.Test;
public class DefaultLogStreamTest {
private final LogReader reader = mock(LogReader.class);
private final DefaultLogStream logStream = new DefaultLogStream(reader);
@Test
public void testAttach() throws Exception {
when(reader.nextMessage()).thenReturn(
logMessage(LogMessage.Stream.STDOUT, "hello\n"),
logMessage(LogMessage.Stream.STDERR, "oops\n"),
logMessage(LogMessage.Stream.STDOUT, "world!\n"),
// need to return null to signal end of stream
null
);
final ByteArrayOutputStream stdout = new ByteArrayOutputStream();
final ByteArrayOutputStream stderr = new ByteArrayOutputStream();
logStream.attach(stdout, stderr);
assertThat(stdout.toString(), is("hello\nworld!\n"));
assertThat(stderr.toString(), is("oops\n"));
}
private static LogMessage logMessage(LogMessage.Stream stream, String msg) {
return new LogMessage(stream, ByteBuffer.wrap(msg.getBytes()));
}
}