92 lines
3.5 KiB
Java
92 lines
3.5 KiB
Java
/*
|
|
* Copyright 2019 Amazon.com, Inc. 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 software.amazon.kinesis.multilang;
|
|
|
|
import java.io.BufferedReader;
|
|
import java.io.ByteArrayInputStream;
|
|
import java.io.IOException;
|
|
import java.io.InputStream;
|
|
import java.io.InputStreamReader;
|
|
import java.util.concurrent.ExecutionException;
|
|
import java.util.concurrent.Executors;
|
|
import java.util.concurrent.Future;
|
|
|
|
import org.junit.Assert;
|
|
import org.junit.Before;
|
|
import org.junit.Test;
|
|
import org.mockito.Mockito;
|
|
import software.amazon.kinesis.multilang.DrainChildSTDERRTask;
|
|
import software.amazon.kinesis.multilang.LineReaderTask;
|
|
|
|
public class ReadSTDERRTaskTest {
|
|
|
|
private static final String shardId = "shard-123";
|
|
private BufferedReader mockBufferReader;
|
|
|
|
@Before
|
|
public void setup() {
|
|
mockBufferReader = Mockito.mock(BufferedReader.class);
|
|
}
|
|
|
|
@Test
|
|
public void errorReaderBuilderTest() {
|
|
|
|
String errorMessages = "OMG\nThis is test message\n blah blah blah \n";
|
|
InputStream stream = new ByteArrayInputStream(errorMessages.getBytes());
|
|
LineReaderTask<Boolean> reader = new DrainChildSTDERRTask().initialize(stream, shardId, "");
|
|
Assert.assertNotNull(reader);
|
|
}
|
|
|
|
@Test
|
|
public void runTest() throws Exception {
|
|
String errorMessages = "OMG\nThis is test message\n blah blah blah \n";
|
|
BufferedReader bufferReader =
|
|
new BufferedReader(new InputStreamReader(new ByteArrayInputStream(errorMessages.getBytes())));
|
|
LineReaderTask<Boolean> errorReader = new DrainChildSTDERRTask().initialize(bufferReader, shardId, "");
|
|
Assert.assertNotNull(errorReader);
|
|
|
|
Boolean result = errorReader.call();
|
|
Assert.assertTrue(result);
|
|
}
|
|
|
|
private void runErrorTest(Exception exceptionToThrow) {
|
|
try {
|
|
Mockito.doThrow(exceptionToThrow).when(mockBufferReader).readLine();
|
|
} catch (IOException e) {
|
|
Assert.fail("Not supposed to get an exception when we're just building our mock.");
|
|
}
|
|
LineReaderTask<Boolean> errorReader = new DrainChildSTDERRTask().initialize(mockBufferReader, shardId, "");
|
|
Assert.assertNotNull(errorReader);
|
|
Future<Boolean> result = Executors.newCachedThreadPool().submit(errorReader);
|
|
Boolean finishedCleanly = null;
|
|
try {
|
|
finishedCleanly = result.get();
|
|
} catch (InterruptedException | ExecutionException e) {
|
|
Assert.fail("Should have been able to get a result. The error should be handled during the call and result in false.");
|
|
}
|
|
Assert.assertFalse("Reading a line should have thrown an exception", finishedCleanly);
|
|
}
|
|
|
|
@Test
|
|
public void runCausesIOErrorTest() {
|
|
runErrorTest(new IOException());
|
|
}
|
|
|
|
@Test
|
|
public void runCausesUnExpectedErrorTest() throws IOException {
|
|
Mockito.doThrow(IOException.class).when(this.mockBufferReader).close();
|
|
runErrorTest(new IOException());
|
|
}
|
|
}
|