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// Copyright 2016 Yahoo Inc. Licensed under the terms of the Apache 2.0 license. See LICENSE in the project root.
package com.yahoo.vespa.http.client.core.communication;
import com.yahoo.vespa.http.client.Result;
import com.yahoo.vespa.http.client.V3HttpAPITest;
import com.yahoo.vespa.http.client.core.Document;
import com.yahoo.vespa.http.client.core.EndpointResult;
import org.junit.Test;
import java.io.ByteArrayInputStream;
import java.io.IOException;
import java.io.InputStream;
import java.nio.charset.StandardCharsets;
import java.util.concurrent.CountDownLatch;
import java.util.concurrent.TimeUnit;
import static org.hamcrest.CoreMatchers.containsString;
import static org.hamcrest.core.Is.is;
import static org.junit.Assert.*;
import static org.mockito.Matchers.*;
import static org.mockito.Mockito.*;
public class IOThreadTest {
final EndpointResultQueue endpointResultQueue = mock(EndpointResultQueue.class);
final ApacheGatewayConnection apacheGatewayConnection = mock(ApacheGatewayConnection.class);
final String exceptionMessage = "SOME EXCEPTION FOO";
CountDownLatch latch = new CountDownLatch(1);
String docId1 = V3HttpAPITest.documents.get(0).getDocumentId();
Document doc1 = new Document(V3HttpAPITest.documents.get(0).getDocumentId(),
V3HttpAPITest.documents.get(0).getContents(), null /* context */);
String docId2 = V3HttpAPITest.documents.get(1).getDocumentId();
Document doc2 = new Document(V3HttpAPITest.documents.get(1).getDocumentId(),
V3HttpAPITest.documents.get(1).getContents(), null /* context */);
DocumentQueue documentQueue = new DocumentQueue(4);
/**
* Set up mock so that it can handle both failDocument() and resultReceived().
* @param expectedDocIdFail on failure, this has to be the doc id, or the mock will fail.
* @param expectedDocIdOk on ok, this has to be the doc id, or the mock will fail.
* @param isTransient checked on failure, if different, the mock will fail.
* @param expectedException checked on failure, if exception toString is different, the mock will fail.
*/
void setupEndpointResultQueueMock(String expectedDocIdFail, String expectedDocIdOk,boolean isTransient, String expectedException) {
doAnswer(invocation -> {
EndpointResult endpointResult = (EndpointResult) invocation.getArguments()[0];
assertThat(endpointResult.getOperationId(), is(expectedDocIdFail));
assertThat(endpointResult.getDetail().getException().toString(),
containsString(expectedException));
assertThat(endpointResult.getDetail().getResultType(), is(
isTransient ? Result.ResultType.TRANSITIVE_ERROR : Result.ResultType.FATAL_ERROR));
latch.countDown();
return null;
}).when(endpointResultQueue).failOperation(anyObject(), eq(0));
doAnswer(invocation -> {
EndpointResult endpointResult = (EndpointResult) invocation.getArguments()[0];
assertThat(endpointResult.getOperationId(), is(expectedDocIdOk));
assertThat(endpointResult.getDetail().getResultType(), is(Result.ResultType.OPERATION_EXECUTED));
latch.countDown();
return null;
}).when(endpointResultQueue).resultReceived(anyObject(), eq(0));
}
@Test
public void singleDocumentSuccess() throws Exception {
when(apacheGatewayConnection.connect()).thenReturn(true);
InputStream serverResponse = new ByteArrayInputStream(
(docId1 + " OK Doc{20}fed").getBytes(StandardCharsets.UTF_8));
when(apacheGatewayConnection.writeOperations(anyObject())).thenReturn(serverResponse);
setupEndpointResultQueueMock( "nope", docId1, true, exceptionMessage);
try (IOThread ioThread = new IOThread(
endpointResultQueue, apacheGatewayConnection, 0, 0, 10000, 10000L, documentQueue, 0)) {
ioThread.post(doc1);
assert (latch.await(120, TimeUnit.SECONDS));
}
}
@Test
public void requireThatSingleDocumentWriteErrorIsHandledProperly() throws Exception {
when(apacheGatewayConnection.connect()).thenReturn(true);
when(apacheGatewayConnection.writeOperations(anyObject())).thenThrow(new IOException(exceptionMessage));
setupEndpointResultQueueMock(doc1.getOperationId(), "nope", true, exceptionMessage);
try (IOThread ioThread = new IOThread(
endpointResultQueue, apacheGatewayConnection, 0, 0, 10000, 10000L, documentQueue, 0)) {
ioThread.post(doc1);
assert (latch.await(120, TimeUnit.SECONDS));
}
}
@Test
public void requireThatTwoDocumentsFirstWriteErrorSecondOkIsHandledProperly() throws Exception {
when(apacheGatewayConnection.connect()).thenReturn(true);
InputStream serverResponse = new ByteArrayInputStream(
(docId2 + " OK Doc{20}fed").getBytes(StandardCharsets.UTF_8));
when(apacheGatewayConnection.writeOperations(anyObject()))
.thenThrow(new IOException(exceptionMessage))
.thenReturn(serverResponse);
latch = new CountDownLatch(2);
setupEndpointResultQueueMock(doc1.getOperationId(), doc2.getDocumentId(), true, exceptionMessage);
try (IOThread ioThread = new IOThread(
endpointResultQueue, apacheGatewayConnection, 0, 0, 10000, 10000L, documentQueue, 0)) {
ioThread.post(doc1);
ioThread.post(doc2);
assert (latch.await(120, TimeUnit.SECONDS));
}
}
@Test
public void testQueueTimeOutNoNoConnectionToServer() throws Exception {
when(apacheGatewayConnection.connect()).thenReturn(false);
InputStream serverResponse = new ByteArrayInputStream(
("").getBytes(StandardCharsets.UTF_8));
when(apacheGatewayConnection.writeOperations(anyObject()))
.thenReturn(serverResponse);
setupEndpointResultQueueMock(doc1.getOperationId(), "nope", true,
"java.lang.Exception: Not sending document operation, timed out in queue after");
try (IOThread ioThread = new IOThread(
endpointResultQueue, apacheGatewayConnection, 0, 0, 10, 10L, documentQueue, 0)) {
ioThread.post(doc1);
assert (latch.await(120, TimeUnit.SECONDS));
}
}
}
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