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// Copyright 2017 Yahoo Holdings. Licensed under the terms of the Apache 2.0 license. See LICENSE in the project root.
package com.yahoo.document.restapi;
import com.yahoo.documentapi.DocumentAccess;
import com.yahoo.documentapi.ProgressToken;
import com.yahoo.documentapi.VisitorControlHandler;
import com.yahoo.documentapi.VisitorParameters;
import com.yahoo.documentapi.VisitorSession;
import com.yahoo.metrics.simple.MetricReceiver;
import com.yahoo.vdslib.VisitorStatistics;
import com.yahoo.vespaclient.ClusterDef;
import org.junit.Test;
import java.io.ByteArrayOutputStream;
import java.io.IOException;
import java.net.URI;
import java.util.ArrayList;
import java.util.Arrays;
import java.util.List;
import java.util.Optional;
import java.util.concurrent.atomic.AtomicReference;
import static org.hamcrest.CoreMatchers.containsString;
import static org.hamcrest.core.Is.is;
import static org.junit.Assert.*;
import static org.mockito.Matchers.any;
import static org.mockito.Mockito.mock;
import static org.mockito.Mockito.when;
public class OperationHandlerImplTest {
@Test(expected = IllegalArgumentException.class)
public void missingClusterDef() throws RestApiException {
List<ClusterDef> clusterDef = new ArrayList<>();
OperationHandlerImpl.resolveClusterRoute(Optional.empty(), clusterDef);
}
@Test(expected = IllegalArgumentException.class)
public void missingClusterDefSpecifiedCluster() throws RestApiException {
List<ClusterDef> clusterDef = new ArrayList<>();
OperationHandlerImpl.resolveClusterRoute(Optional.of("cluster"), clusterDef);
}
@Test(expected = RestApiException.class)
public void oneClusterPresentNotMatching() throws RestApiException {
List<ClusterDef> clusterDef = new ArrayList<>();
clusterDef.add(new ClusterDef("foo", "configId"));
OperationHandlerImpl.resolveClusterRoute(Optional.of("cluster"), clusterDef);
}
@Test()
public void oneClusterMatching() throws RestApiException {
List<ClusterDef> clusterDef = new ArrayList<>();
clusterDef.add(new ClusterDef("foo", "configId"));
assertThat(OperationHandlerImpl.resolveClusterRoute(Optional.of("foo"), clusterDef),
is("[Storage:cluster=foo;clusterconfigid=configId]"));
}
@Test()
public void oneClusterMatchingManyAvailable() throws RestApiException {
List<ClusterDef> clusterDef = new ArrayList<>();
clusterDef.add(new ClusterDef("foo2", "configId2"));
clusterDef.add(new ClusterDef("foo", "configId"));
clusterDef.add(new ClusterDef("foo3", "configId2"));
assertThat(OperationHandlerImpl.resolveClusterRoute(Optional.of("foo"), clusterDef),
is("[Storage:cluster=foo;clusterconfigid=configId]"));
}
@Test()
public void checkErrorMessage() throws RestApiException, IOException {
List<ClusterDef> clusterDef = new ArrayList<>();
clusterDef.add(new ClusterDef("foo2", "configId2"));
clusterDef.add(new ClusterDef("foo", "configId"));
clusterDef.add(new ClusterDef("foo3", "configId2"));
try {
OperationHandlerImpl.resolveClusterRoute(Optional.of("wrong"), clusterDef);
} catch(RestApiException e) {
String errorMsg = renderRestApiExceptionAsString(e);
assertThat(errorMsg, is("{\"errors\":[{\"description\":" +
"\"MISSING_CLUSTER Your vespa cluster contains the content clusters foo2 (configId2), foo (configId)," +
" foo3 (configId2), not wrong. Please select a valid vespa cluster.\",\"id\":-9}]}"));
return;
}
fail("Expected exception");
}
private String renderRestApiExceptionAsString(RestApiException e) throws IOException {
ByteArrayOutputStream stream = new ByteArrayOutputStream();
e.getResponse().render(stream);
return new String( stream.toByteArray());
}
private class OperationHandlerImplFixture {
DocumentAccess documentAccess = mock(DocumentAccess.class);
AtomicReference<VisitorParameters> assignedParameters = new AtomicReference<>();
VisitorControlHandler.CompletionCode completionCode = VisitorControlHandler.CompletionCode.SUCCESS;
int bucketsVisited = 0;
OperationHandlerImpl createHandler() throws Exception {
VisitorSession visitorSession = mock(VisitorSession.class);
// Pre-bake an already completed session
when(documentAccess.createVisitorSession(any(VisitorParameters.class))).thenAnswer(p -> {
VisitorParameters params = (VisitorParameters)p.getArguments()[0];
assignedParameters.set(params);
VisitorStatistics statistics = new VisitorStatistics();
statistics.setBucketsVisited(bucketsVisited);
params.getControlHandler().onVisitorStatistics(statistics);
ProgressToken progress = new ProgressToken();
params.getControlHandler().onProgress(progress);
params.getControlHandler().onDone(completionCode, "bork bork");
return visitorSession;
});
OperationHandlerImpl.ClusterEnumerator clusterEnumerator = () -> Arrays.asList(new ClusterDef("foo", "configId"));
return new OperationHandlerImpl(documentAccess, clusterEnumerator, MetricReceiver.nullImplementation);
}
}
private static RestUri dummyVisitUri() throws Exception {
return new RestUri(new URI("http://localhost/document/v1/namespace/document-type/docid/"));
}
@Test
public void timeout_without_buckets_visited_throws_timeout_error() throws Exception {
OperationHandlerImplFixture fixture = new OperationHandlerImplFixture();
fixture.completionCode = VisitorControlHandler.CompletionCode.TIMEOUT;
fixture.bucketsVisited = 0;
// RestApiException hides its guts internally, so cannot trivially use @Rule directly to check for error category
try {
OperationHandlerImpl handler = fixture.createHandler();
handler.visit(dummyVisitUri(), "", Optional.empty(), Optional.empty());
} catch (RestApiException e) {
assertThat(e.getResponse().getStatus(), is(500));
assertThat(renderRestApiExceptionAsString(e), containsString("Timed out"));
}
}
@Test
public void timeout_with_buckets_visited_does_not_throw_timeout_error() throws Exception {
OperationHandlerImplFixture fixture = new OperationHandlerImplFixture();
fixture.completionCode = VisitorControlHandler.CompletionCode.TIMEOUT;
fixture.bucketsVisited = 1;
OperationHandlerImpl handler = fixture.createHandler();
handler.visit(dummyVisitUri(), "", Optional.empty(), Optional.empty());
}
@Test
public void handler_sets_default_visitor_session_timeout_parameter() throws Exception {
OperationHandlerImplFixture fixture = new OperationHandlerImplFixture();
OperationHandlerImpl handler = fixture.createHandler();
handler.visit(dummyVisitUri(), "", Optional.empty(), Optional.empty());
assertThat(fixture.assignedParameters.get().getSessionTimeoutMs(), is((long)OperationHandlerImpl.VISIT_TIMEOUT_MS));
}
}
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