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OperationCallableImplTest.java
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OperationCallableImplTest.java
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/*
* Copyright 2016 Google LLC
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions are
* met:
*
* * Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* * Redistributions in binary form must reproduce the above
* copyright notice, this list of conditions and the following disclaimer
* in the documentation and/or other materials provided with the
* distribution.
* * Neither the name of Google LLC nor the names of its
* contributors may be used to endorse or promote products derived from
* this software without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
* "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
* LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
* A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
* OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
* SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
* LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
* OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*/
package com.google.api.gax.rpc;
import static com.google.common.truth.Truth.assertThat;
import static org.mockito.Mockito.mock;
import static org.mockito.Mockito.when;
import com.google.api.core.ApiFunction;
import com.google.api.core.ApiFuture;
import com.google.api.core.ApiFutures;
import com.google.api.core.ListenableFutureToApiFuture;
import com.google.api.gax.core.FakeApiClock;
import com.google.api.gax.core.RecordingScheduler;
import com.google.api.gax.longrunning.OperationFuture;
import com.google.api.gax.longrunning.OperationFutureImpl;
import com.google.api.gax.longrunning.OperationSnapshot;
import com.google.api.gax.longrunning.OperationTimedPollAlgorithm;
import com.google.api.gax.retrying.RetrySettings;
import com.google.api.gax.rpc.testing.FakeCallContext;
import com.google.api.gax.rpc.testing.FakeCallableFactory;
import com.google.api.gax.rpc.testing.FakeChannel;
import com.google.api.gax.rpc.testing.FakeOperationApi.OperationStashCallable;
import com.google.api.gax.rpc.testing.FakeOperationSnapshot;
import com.google.api.gax.rpc.testing.FakeStatusCode;
import com.google.api.gax.rpc.testing.FakeTransportChannel;
import com.google.auth.Credentials;
import com.google.common.collect.Lists;
import com.google.common.truth.Truth;
import com.google.common.util.concurrent.Futures;
import java.awt.Color;
import java.io.IOException;
import java.util.Currency;
import java.util.List;
import java.util.concurrent.CancellationException;
import java.util.concurrent.CountDownLatch;
import java.util.concurrent.ExecutionException;
import java.util.concurrent.ScheduledExecutorService;
import java.util.concurrent.TimeUnit;
import java.util.concurrent.TimeoutException;
import java.util.concurrent.locks.LockSupport;
import org.junit.After;
import org.junit.Before;
import org.junit.Test;
import org.junit.runner.RunWith;
import org.junit.runners.JUnit4;
import org.mockito.ArgumentCaptor;
import org.mockito.Mockito;
import org.threeten.bp.Duration;
@RunWith(JUnit4.class)
public class OperationCallableImplTest {
private static final RetrySettings FAST_RETRY_SETTINGS =
RetrySettings.newBuilder()
.setInitialRetryDelay(Duration.ofMillis(2L))
.setRetryDelayMultiplier(1)
.setMaxRetryDelay(Duration.ofMillis(2L))
.setInitialRpcTimeout(Duration.ofMillis(2L))
.setRpcTimeoutMultiplier(1)
.setMaxRpcTimeout(Duration.ofMillis(2L))
.setTotalTimeout(Duration.ofMillis(10L))
.build();
private static final RetrySettings FAST_RECHECKING_SETTINGS =
RetrySettings.newBuilder()
.setInitialRetryDelay(Duration.ofMillis(1L))
.setRetryDelayMultiplier(1)
.setMaxRetryDelay(Duration.ofMillis(1L))
.setInitialRpcTimeout(
Duration.ZERO) // supposed to be ignored, but are not actually, so we set to zero
.setMaxAttempts(0)
.setJittered(false)
.setRpcTimeoutMultiplier(
1) // supposed to be ignored, but are not actually, so we set to one
.setMaxRpcTimeout(
Duration.ZERO) // supposed to be ignored, but are not actually, so we set to zero
.setTotalTimeout(Duration.ofMillis(5L))
.build();
private FakeChannel initialChannel;
private TransportChannel pollTransportChannel;
private RecordingScheduler executor;
private ClientContext initialContext;
private OperationCallSettings<Integer, Color, Currency> callSettings;
private FakeApiClock clock;
private OperationTimedPollAlgorithm pollingAlgorithm;
@Before
public void setUp() throws IOException {
initialChannel = mock(FakeChannel.class);
pollTransportChannel = mock(TransportChannel.class);
TransportChannelProvider operationsChannelProvider = mock(TransportChannelProvider.class);
when(operationsChannelProvider.getTransportChannel()).thenReturn(pollTransportChannel);
clock = new FakeApiClock(0L);
executor = RecordingScheduler.create(clock);
pollingAlgorithm = OperationTimedPollAlgorithm.create(FAST_RECHECKING_SETTINGS, clock);
UnaryCallSettings<Integer, OperationSnapshot> initialCallSettings =
UnaryCallSettings.<Integer, OperationSnapshot>newUnaryCallSettingsBuilder()
.setRetrySettings(FAST_RETRY_SETTINGS.toBuilder().setMaxAttempts(1).build())
.build();
callSettings =
OperationCallSettings.<Integer, Color, Currency>newBuilder()
.setInitialCallSettings(initialCallSettings)
.setResponseTransformer(new ResponseTransformer())
.setMetadataTransformer(new MetadataTransformer())
.setPollingAlgorithm(pollingAlgorithm)
.build();
initialContext = getClientContext(initialChannel, executor);
}
private static class ResponseTransformer implements ApiFunction<OperationSnapshot, Color> {
@Override
public Color apply(OperationSnapshot operationSnapshot) {
if (!operationSnapshot.getErrorCode().getCode().equals(StatusCode.Code.OK)) {
throw ApiExceptionFactory.createException(
"Operation with name \""
+ operationSnapshot.getName()
+ "\" failed with status = "
+ operationSnapshot.getErrorCode()
+ " and message = "
+ operationSnapshot.getErrorMessage(),
null,
operationSnapshot.getErrorCode(),
false);
}
if (operationSnapshot.getResponse() == null) {
return null;
}
if (!(operationSnapshot.getResponse() instanceof Color)) {
String errorMessage =
"type mismatch: expected "
+ Color.class.getName()
+ ", found "
+ operationSnapshot.getResponse().getClass().getName();
throw new ApiException(errorMessage, null, FakeStatusCode.of(StatusCode.Code.OK), false);
} else {
return (Color) operationSnapshot.getResponse();
}
}
}
private static class MetadataTransformer implements ApiFunction<OperationSnapshot, Currency> {
@Override
public Currency apply(OperationSnapshot operationSnapshot) {
if (operationSnapshot.getMetadata() == null) {
return null;
}
if (!(operationSnapshot.getMetadata() instanceof Currency)) {
String errorMessage =
"type mismatch: expected "
+ Currency.class.getName()
+ ", found "
+ operationSnapshot.getMetadata().getClass().getName();
throw new ApiException(errorMessage, null, FakeStatusCode.of(StatusCode.Code.OK), false);
} else {
return (Currency) operationSnapshot.getMetadata();
}
}
}
@After
public void tearDown() throws Exception {
executor.shutdown();
}
@Test
public void testCall() {
Color resp = getColor(1.0f);
Currency meta = Currency.getInstance("UAH");
OperationSnapshot resultOperation = getOperation("testCall", resp, null, meta, true);
UnaryCallable<Integer, OperationSnapshot> initialCallable =
mockGetOpSnapshotCallable(StatusCode.Code.OK, resultOperation);
LongRunningClient longRunningClient = new UnsupportedOperationApi();
OperationCallable<Integer, Color, Currency> callable =
FakeCallableFactory.createOperationCallable(
initialCallable, callSettings, initialContext, longRunningClient);
Color response = callable.call(2, FakeCallContext.createDefault());
Truth.assertThat(response).isEqualTo(resp);
assertThat(executor.getIterationsCount()).isEqualTo(0);
}
@Test
public void testResumeFutureCall() throws Exception {
String opName = "testResumeFutureCall";
Color resp = getColor(0.5f);
Currency meta = Currency.getInstance("UAH");
OperationSnapshot resultOperation = getOperation(opName, resp, null, meta, true);
LongRunningClient longRunningClient = mockGetOperation(StatusCode.Code.OK, resultOperation);
ClientContext mockContext = getClientContext(new FakeChannel(), executor);
OperationCallable<Integer, Color, Currency> callable =
FakeCallableFactory.createOperationCallable(
getUnexpectedStartCallable(), callSettings, mockContext, longRunningClient);
OperationFuture<Color, Currency> future = callable.resumeFutureCall(opName);
assertFutureSuccessMetaSuccess(opName, future, resp, meta);
assertThat(executor.getIterationsCount()).isEqualTo(0);
}
@Test
public void testCancelOperation() throws Exception {
String opName = "testCancelOperation";
LongRunningClient longRunningClient = mockCancelOperation(StatusCode.Code.OK);
ClientContext mockContext = getClientContext(new FakeChannel(), executor);
OperationCallable<Integer, Color, Currency> callable =
FakeCallableFactory.createOperationCallable(
getUnexpectedStartCallable(), callSettings, mockContext, longRunningClient);
ApiFuture<Void> future = callable.cancel(opName);
assertThat(future.get()).isNull();
}
@Test
public void testFutureCallInitialDone() throws Exception {
String opName = "testFutureCallInitialDone";
Color resp = getColor(0.5f);
Currency meta = Currency.getInstance("UAH");
OperationSnapshot resultOperation = getOperation(opName, resp, null, meta, true);
UnaryCallable<Integer, OperationSnapshot> initialCallable =
mockGetOpSnapshotCallable(StatusCode.Code.OK, resultOperation);
LongRunningClient longRunningClient = new UnsupportedOperationApi();
OperationCallable<Integer, Color, Currency> callable =
FakeCallableFactory.createOperationCallable(
initialCallable, callSettings, initialContext, longRunningClient);
OperationFuture<Color, Currency> future =
callable.futureCall(2, FakeCallContext.createDefault());
assertFutureSuccessMetaSuccess(opName, future, resp, meta);
assertThat(executor.getIterationsCount()).isEqualTo(0);
}
@Test
public void testFutureCallInitialError() throws Exception {
String opName = "testFutureCallInitialError";
Color resp = getColor(1.0f);
Currency meta = Currency.getInstance("UAH");
OperationSnapshot resultOperation = getOperation(opName, resp, null, meta, true);
UnaryCallable<Integer, OperationSnapshot> initialCallable =
mockGetOpSnapshotCallable(StatusCode.Code.UNAVAILABLE, resultOperation);
LongRunningClient longRunningClient = new UnsupportedOperationApi();
OperationCallable<Integer, Color, Currency> callable =
FakeCallableFactory.createOperationCallable(
initialCallable, callSettings, initialContext, longRunningClient);
OperationFuture<Color, Currency> future =
callable.futureCall(2, FakeCallContext.createDefault());
assertFutureFailMetaFail(future, null, FakeStatusCode.of(StatusCode.Code.UNAVAILABLE));
assertThat(executor.getIterationsCount()).isEqualTo(0);
}
@Test
public void testFutureCallInitialDoneWithError() throws Exception {
String opName = "testFutureCallInitialDoneWithError";
StatusCode errorCode = FakeStatusCode.of(StatusCode.Code.ALREADY_EXISTS);
Currency meta = Currency.getInstance("UAH");
OperationSnapshot resultOperation =
getOperation(opName, null, errorCode, meta, true, "Already exists error");
UnaryCallable<Integer, OperationSnapshot> initialCallable =
mockGetOpSnapshotCallable(StatusCode.Code.OK, resultOperation);
LongRunningClient longRunningClient = new UnsupportedOperationApi();
OperationCallable<Integer, Color, Currency> callable =
FakeCallableFactory.createOperationCallable(
initialCallable, callSettings, initialContext, longRunningClient);
OperationFuture<Color, Currency> future =
callable.futureCall(2, FakeCallContext.createDefault());
String errorMessage =
"Operation with name \""
+ opName
+ "\" failed with status = "
+ errorCode
+ " and message = "
+ "Already exists error";
assertFutureFailMetaSuccess(
future, meta, FakeStatusCode.of(StatusCode.Code.ALREADY_EXISTS), errorMessage);
assertThat(executor.getIterationsCount()).isEqualTo(0);
}
@Test
public void testFutureCallInitialDoneWrongType() throws Exception {
String opName = "testFutureCallInitialDoneWrongType";
Currency resp = Currency.getInstance("USD");
Currency meta = Currency.getInstance("UAH");
OperationSnapshot resultOperation = getOperation(opName, resp, null, meta, true);
UnaryCallable<Integer, OperationSnapshot> initialCallable =
mockGetOpSnapshotCallable(StatusCode.Code.OK, resultOperation);
LongRunningClient longRunningClient = new UnsupportedOperationApi();
OperationCallable<Integer, Color, Currency> callable =
FakeCallableFactory.createOperationCallable(
initialCallable, callSettings, initialContext, longRunningClient);
OperationFuture<Color, Currency> future =
callable.futureCall(2, FakeCallContext.createDefault());
assertFutureFailMetaSuccess(
future,
meta,
FakeStatusCode.of(StatusCode.Code.OK),
"type mismatch: expected java.awt.Color, found java.util.Currency");
assertThat(executor.getIterationsCount()).isEqualTo(0);
}
@Test
public void testFutureCallInitialDoneMetaWrongType() throws Exception {
String opName = "testFutureCallInitialDoneMetaWrongType";
Color resp = getColor(1.0f);
Color meta = getColor(1.0f);
OperationSnapshot resultOperation = getOperation(opName, resp, null, meta, true);
UnaryCallable<Integer, OperationSnapshot> initialCallable =
mockGetOpSnapshotCallable(StatusCode.Code.OK, resultOperation);
LongRunningClient longRunningClient = new UnsupportedOperationApi();
OperationCallable<Integer, Color, Currency> callable =
FakeCallableFactory.createOperationCallable(
initialCallable, callSettings, initialContext, longRunningClient);
OperationFuture<Color, Currency> future =
callable.futureCall(2, FakeCallContext.createDefault());
assertFutureSuccessMetaFail(future, resp, FakeStatusCode.of(StatusCode.Code.OK));
assertThat(executor.getIterationsCount()).isEqualTo(0);
}
@Test
public void testFutureCallInitialCancel() throws Exception {
String opName = "testFutureCallInitialCancel";
OperationSnapshot initialOperation = getOperation(opName, null, null, null, false);
OperationSnapshot resultOperation = getOperation(opName, null, null, null, false);
UnaryCallable<Integer, OperationSnapshot> initialCallable =
mockGetOpSnapshotCallable(StatusCode.Code.OK, initialOperation);
LongRunningClient longRunningClient = mockGetOperation(StatusCode.Code.OK, resultOperation);
OperationCallableImpl<Integer, Color, Currency> callableImpl =
Callables.longRunningOperationImpl(
initialCallable, callSettings, initialContext, longRunningClient);
OperationFutureImpl<Color, Currency> future =
callableImpl.futureCall(
new ListenableFutureToApiFuture<>(
Futures.<OperationSnapshot>immediateCancelledFuture()),
FakeCallContext.createDefault());
Exception exception = null;
try {
future.get(3, TimeUnit.SECONDS);
} catch (CancellationException e) {
exception = e;
}
assertThat(exception).isNotNull();
assertThat(future.isDone()).isTrue();
assertThat(future.isCancelled()).isTrue();
assertThat(future.getInitialFuture().isDone()).isTrue();
assertThat(future.getInitialFuture().isCancelled()).isTrue();
assertFutureCancelMetaCancel(future);
assertThat(executor.getIterationsCount()).isEqualTo(0);
}
@Test
public void testFutureCallInitialOperationUnexpectedFail() throws Exception {
String opName = "testFutureCallInitialOperationUnexpectedFail";
OperationSnapshot initialOperation = getOperation(opName, null, null, null, false);
OperationSnapshot resultOperation = getOperation(opName, null, null, null, false);
UnaryCallable<Integer, OperationSnapshot> initialCallable =
mockGetOpSnapshotCallable(StatusCode.Code.OK, initialOperation);
LongRunningClient longRunningClient = mockGetOperation(StatusCode.Code.OK, resultOperation);
OperationCallableImpl<Integer, Color, Currency> callableImpl =
Callables.longRunningOperationImpl(
initialCallable, callSettings, initialContext, longRunningClient);
RuntimeException thrownException = new RuntimeException();
ApiFuture<OperationSnapshot> initialFuture = ApiFutures.immediateFailedFuture(thrownException);
OperationFuture<Color, Currency> future =
callableImpl.futureCall(initialFuture, FakeCallContext.createDefault());
assertFutureFailMetaFail(future, RuntimeException.class, null);
assertThat(executor.getIterationsCount()).isEqualTo(0);
}
@Test
public void testFutureCallPollDoneOnFirst() throws Exception {
String opName = "testFutureCallPollDoneOnFirst";
Color resp = getColor(0.5f);
Currency meta = Currency.getInstance("UAH");
OperationSnapshot initialOperation = getOperation(opName, null, null, null, false);
OperationSnapshot resultOperation = getOperation(opName, resp, null, meta, true);
UnaryCallable<Integer, OperationSnapshot> initialCallable =
mockGetOpSnapshotCallable(StatusCode.Code.OK, initialOperation);
LongRunningClient longRunningClient = mockGetOperation(StatusCode.Code.OK, resultOperation);
OperationCallable<Integer, Color, Currency> callable =
FakeCallableFactory.createOperationCallable(
initialCallable, callSettings, initialContext, longRunningClient);
OperationFuture<Color, Currency> future =
callable.futureCall(2, FakeCallContext.createDefault());
assertFutureSuccessMetaSuccess(opName, future, resp, meta);
assertThat(executor.getIterationsCount()).isEqualTo(0);
}
@Test
public void testFutureCallPollDoneOnSecond() throws Exception {
String opName = "testFutureCallPollDoneOnSecond";
Color resp = getColor(0.5f);
Currency meta1 = Currency.getInstance("UAH");
Currency meta2 = Currency.getInstance("USD");
OperationSnapshot initialOperation = getOperation(opName, null, null, null, false);
OperationSnapshot resultOperation1 = getOperation(opName, null, null, meta1, false);
OperationSnapshot resultOperation2 = getOperation(opName, resp, null, meta2, true);
UnaryCallable<Integer, OperationSnapshot> initialCallable =
mockGetOpSnapshotCallable(StatusCode.Code.OK, initialOperation);
LongRunningClient longRunningClient =
mockGetOperation(StatusCode.Code.OK, resultOperation1, resultOperation2);
OperationCallable<Integer, Color, Currency> callable =
FakeCallableFactory.createOperationCallable(
initialCallable, callSettings, initialContext, longRunningClient);
OperationFuture<Color, Currency> future =
callable.futureCall(2, FakeCallContext.createDefault());
assertFutureSuccessMetaSuccess(opName, future, resp, meta2);
assertThat(executor.getIterationsCount()).isEqualTo(1);
}
@Test
public void testFutureCallPollRPCTimeout() throws Exception {
String opName = "testFutureCallPollRPCTimeout";
pollingAlgorithm =
OperationTimedPollAlgorithm.create(
FAST_RECHECKING_SETTINGS
.toBuilder()
// Update the polling algorithm to set per-RPC timeouts instead of the default zero.
//
// This is non-standard, as these fields have been documented as "should be ignored"
// for LRO polling. They are not actually ignored in code, so they changing them
// here has an actual affect. This test verifies that they work as such, but in
// practice generated clients set the RPC timeouts to 0 to be ignored.
.setInitialRpcTimeout(Duration.ofMillis(100))
.setMaxRpcTimeout(Duration.ofSeconds(1))
.setRpcTimeoutMultiplier(2)
.setTotalTimeout(Duration.ofSeconds(5L))
.build(),
clock);
callSettings = callSettings.toBuilder().setPollingAlgorithm(pollingAlgorithm).build();
Color resp = getColor(0.5f);
Currency meta1 = Currency.getInstance("UAH");
Currency meta2 = Currency.getInstance("USD");
OperationSnapshot initialOperation = getOperation(opName, null, null, null, false);
OperationSnapshot resultOperation1 = getOperation(opName, null, null, meta1, false);
OperationSnapshot resultOperation2 = getOperation(opName, null, null, meta1, false);
OperationSnapshot resultOperation3 = getOperation(opName, resp, null, meta2, true);
UnaryCallable<Integer, OperationSnapshot> initialCallable =
mockGetOpSnapshotCallable(StatusCode.Code.OK, initialOperation);
LongRunningClient longRunningClient = Mockito.mock(LongRunningClient.class);
@SuppressWarnings("unchecked")
UnaryCallable<String, OperationSnapshot> getOpCallable = Mockito.mock(UnaryCallable.class);
ArgumentCaptor<ApiCallContext> callContextCaptor =
ArgumentCaptor.forClass(ApiCallContext.class);
Mockito.when(longRunningClient.getOperationCallable()).thenReturn(getOpCallable);
Mockito.when(getOpCallable.futureCall(Mockito.<String>any(), callContextCaptor.capture()))
.thenReturn(ApiFutures.immediateFuture(resultOperation1))
.thenReturn(ApiFutures.immediateFuture(resultOperation2))
.thenReturn(ApiFutures.immediateFuture(resultOperation3));
OperationCallable<Integer, Color, Currency> callable =
FakeCallableFactory.createOperationCallable(
initialCallable, callSettings, initialContext, longRunningClient);
callable.futureCall(2, FakeCallContext.createDefault()).get(10, TimeUnit.SECONDS);
List<Duration> actualTimeouts = Lists.newArrayList();
for (ApiCallContext callContext : callContextCaptor.getAllValues()) {
actualTimeouts.add(callContext.getTimeout());
}
List<Duration> expectedTimeouts =
Lists.newArrayList(Duration.ofMillis(100), Duration.ofMillis(200), Duration.ofMillis(400));
assertThat(actualTimeouts).isEqualTo(expectedTimeouts);
}
@Test
public void testFutureCallContextPropagation() throws Exception {
String opName = "testFutureCallContextPropagation";
Color resp = getColor(0.5f);
Currency meta1 = Currency.getInstance("UAH");
Currency meta2 = Currency.getInstance("USD");
OperationSnapshot initialOperation = getOperation(opName, null, null, null, false);
OperationSnapshot resultOperation = getOperation(opName, resp, null, meta2, true);
UnaryCallable<Integer, OperationSnapshot> initialCallable =
mockGetOpSnapshotCallable(StatusCode.Code.OK, initialOperation);
LongRunningClient longRunningClient = Mockito.mock(LongRunningClient.class);
@SuppressWarnings("unchecked")
UnaryCallable<String, OperationSnapshot> getOpCallable = Mockito.mock(UnaryCallable.class);
ArgumentCaptor<ApiCallContext> callContextCaptor =
ArgumentCaptor.forClass(ApiCallContext.class);
Mockito.when(longRunningClient.getOperationCallable()).thenReturn(getOpCallable);
Mockito.when(getOpCallable.futureCall(Mockito.<String>any(), callContextCaptor.capture()))
.thenReturn(ApiFutures.immediateFuture(resultOperation));
OperationCallable<Integer, Color, Currency> callable =
FakeCallableFactory.createOperationCallable(
initialCallable, callSettings, initialContext, longRunningClient);
ApiCallContext callContext = FakeCallContext.createDefault().withTimeout(Duration.ofMillis(10));
callable.futureCall(2, callContext).get(10, TimeUnit.SECONDS);
assertThat(callContextCaptor.getValue().getTimeout()).isEqualTo(Duration.ofMillis(10));
}
@Test
public void testFutureCallPollDoneOnMany() throws Exception {
final int iterationsCount = 1000;
String opName = "testFutureCallPollDoneOnMany";
Color resp = getColor(0.5f);
Currency meta = Currency.getInstance("UAH");
OperationSnapshot initialOperation = getOperation(opName, null, null, null, false);
OperationSnapshot[] pollOperations = new OperationSnapshot[iterationsCount];
for (int i = 0; i < iterationsCount - 1; i++) {
pollOperations[i] = getOperation(opName, null, null, meta, false);
}
pollOperations[iterationsCount - 1] = getOperation(opName, resp, null, meta, true);
UnaryCallable<Integer, OperationSnapshot> initialCallable =
mockGetOpSnapshotCallable(StatusCode.Code.OK, initialOperation);
LongRunningClient longRunningClient = mockGetOperation(StatusCode.Code.OK, pollOperations);
pollingAlgorithm =
OperationTimedPollAlgorithm.create(
FAST_RECHECKING_SETTINGS
.toBuilder()
.setTotalTimeout(Duration.ofMillis(iterationsCount))
.build(),
clock);
callSettings = callSettings.toBuilder().setPollingAlgorithm(pollingAlgorithm).build();
OperationCallable<Integer, Color, Currency> callable =
FakeCallableFactory.createOperationCallable(
initialCallable, callSettings, initialContext, longRunningClient);
OperationFuture<Color, Currency> future =
callable.futureCall(2, FakeCallContext.createDefault());
Truth.assertThat(future.get(5, TimeUnit.SECONDS)).isEqualTo(resp);
assertFutureSuccessMetaSuccess(opName, future, resp, meta);
assertThat(executor.getIterationsCount()).isEqualTo(iterationsCount - 1);
}
@Test
public void testFutureCallPollError() throws Exception {
String opName = "testFutureCallPollError";
Currency meta = Currency.getInstance("UAH");
Color resp = getColor(1.0f);
OperationSnapshot initialOperation = getOperation(opName, resp, null, meta, false);
UnaryCallable<Integer, OperationSnapshot> initialCallable =
mockGetOpSnapshotCallable(StatusCode.Code.OK, initialOperation);
OperationSnapshot resultOperation = getOperation(opName, resp, null, meta, false);
LongRunningClient longRunningClient =
mockGetOperation(StatusCode.Code.ALREADY_EXISTS, resultOperation);
OperationCallable<Integer, Color, Currency> callable =
FakeCallableFactory.createOperationCallable(
initialCallable, callSettings, initialContext, longRunningClient);
OperationFuture<Color, Currency> future =
callable.futureCall(2, FakeCallContext.createDefault());
assertFutureFailMetaFail(future, null, FakeStatusCode.of(StatusCode.Code.ALREADY_EXISTS));
assertThat(executor.getIterationsCount()).isEqualTo(0);
}
@Test
public void testFutureCallPollDoneWithError() throws Exception {
String opName = "testFutureCallPollDoneWithError";
Currency meta = Currency.getInstance("UAH");
Color resp = getColor(1.0f);
OperationSnapshot initialOperation =
getOperation(opName, resp, null, meta, false, "Already exists error");
UnaryCallable<Integer, OperationSnapshot> initialCallable =
mockGetOpSnapshotCallable(StatusCode.Code.OK, initialOperation);
StatusCode errorCode = FakeStatusCode.of(StatusCode.Code.ALREADY_EXISTS);
OperationSnapshot resultOperation =
getOperation(opName, null, errorCode, meta, true, "Already exists error");
LongRunningClient longRunningClient = mockGetOperation(StatusCode.Code.OK, resultOperation);
OperationCallable<Integer, Color, Currency> callable =
FakeCallableFactory.createOperationCallable(
initialCallable, callSettings, initialContext, longRunningClient);
OperationFuture<Color, Currency> future =
callable.futureCall(2, FakeCallContext.createDefault());
String errorMessage =
"Operation with name \""
+ opName
+ "\" failed with status = "
+ errorCode
+ " and message = "
+ "Already exists error";
assertFutureFailMetaSuccess(
future, meta, FakeStatusCode.of(StatusCode.Code.ALREADY_EXISTS), errorMessage);
assertThat(executor.getIterationsCount()).isEqualTo(0);
}
@Test
public void testFutureCallPollCancelOnTimeoutExceeded() throws Exception {
String opName = "testFutureCallPollCancelOnPollingTimeoutExceeded";
OperationSnapshot initialOperation = getOperation(opName, null, null, null, false);
OperationSnapshot resultOperation = getOperation(opName, null, null, null, false);
UnaryCallable<Integer, OperationSnapshot> initialCallable =
mockGetOpSnapshotCallable(StatusCode.Code.OK, initialOperation);
LongRunningClient longRunningClient = mockGetOperation(StatusCode.Code.OK, resultOperation);
OperationCallable<Integer, Color, Currency> callable =
FakeCallableFactory.createOperationCallable(
initialCallable, callSettings, initialContext, longRunningClient);
OperationFuture<Color, Currency> future =
callable.futureCall(2, FakeCallContext.createDefault());
assertFutureCancelMetaCancel(future);
assertThat(executor.getIterationsCount()).isEqualTo(5);
}
@Test
public void testFutureCallPollCancelOnLongTimeoutExceeded() throws Exception {
final int iterationsCount = 1000;
String opName = "testFutureCallPollCancelOnLongTimeoutExceeded";
OperationSnapshot initialOperation = getOperation(opName, null, null, null, false);
OperationSnapshot[] pollOperations = new OperationSnapshot[iterationsCount];
for (int i = 0; i < iterationsCount; i++) {
pollOperations[i] = getOperation(opName, null, null, null, false);
}
UnaryCallable<Integer, OperationSnapshot> initialCallable =
mockGetOpSnapshotCallable(StatusCode.Code.OK, initialOperation);
LongRunningClient longRunningClient = mockGetOperation(StatusCode.Code.OK, pollOperations);
pollingAlgorithm =
OperationTimedPollAlgorithm.create(
FAST_RECHECKING_SETTINGS.toBuilder().setTotalTimeout(Duration.ofMillis(1000L)).build(),
clock);
callSettings = callSettings.toBuilder().setPollingAlgorithm(pollingAlgorithm).build();
OperationCallable<Integer, Color, Currency> callable =
FakeCallableFactory.createOperationCallable(
initialCallable, callSettings, initialContext, longRunningClient);
OperationFuture<Color, Currency> future =
callable.futureCall(2, FakeCallContext.createDefault());
assertFutureCancelMetaCancel(future);
assertThat(executor.getIterationsCount()).isEqualTo(iterationsCount);
}
@Test
public void testFutureCancelImmediately() throws Exception {
int iterationsCount = 3;
String opName = "testCancelImmediately";
Color resp = getColor(0.5f);
Currency meta = Currency.getInstance("UAH");
OperationSnapshot initialOperation = getOperation(opName, null, null, null, false);
UnaryCallable<Integer, OperationSnapshot> initialCallable =
mockGetOpSnapshotCallable(StatusCode.Code.OK, initialOperation);
OperationSnapshot[] pollOperations = new OperationSnapshot[iterationsCount];
for (int i = 0; i < iterationsCount; i++) {
pollOperations[i] = getOperation(opName, null, null, null, false);
}
pollOperations[iterationsCount - 1] = getOperation(opName, resp, null, meta, true);
LongRunningClient longRunningClient = mockGetOperation(StatusCode.Code.OK, pollOperations);
CountDownLatch retryScheduledLatch = new CountDownLatch(1);
LatchCountDownScheduler scheduler = LatchCountDownScheduler.get(retryScheduledLatch, 0L, 20L);
ClientContext schedulerContext = getClientContext(initialChannel, scheduler);
OperationCallable<Integer, Color, Currency> callable =
FakeCallableFactory.createOperationCallable(
initialCallable, callSettings, schedulerContext, longRunningClient);
OperationFuture<Color, Currency> future =
callable.futureCall(2, FakeCallContext.createDefault());
while (!future.cancel(true) && !future.isDone()) {
LockSupport.parkNanos(1000L);
}
assertFutureCancelMetaCancel(future);
scheduler.shutdownNow();
}
@Test
public void testFutureCancelInTheMiddle() throws Exception {
int iterationsCount = 1000;
String opName = "testCancelInTheMiddle";
Color resp = getColor(0.5f);
Currency meta = Currency.getInstance("UAH");
OperationSnapshot resultOperation = getOperation(opName, null, null, null, false);
UnaryCallable<Integer, OperationSnapshot> initialCallable =
mockGetOpSnapshotCallable(StatusCode.Code.OK, resultOperation);
OperationSnapshot[] pollOperations = new OperationSnapshot[iterationsCount];
for (int i = 0; i < iterationsCount - 1; i++) {
pollOperations[i] = getOperation(opName, null, null, null, false);
}
pollOperations[iterationsCount - 1] = getOperation(opName, resp, null, meta, true);
LongRunningClient longRunningClient = mockGetOperation(StatusCode.Code.OK, pollOperations);
CountDownLatch retryScheduledLatch = new CountDownLatch(10);
LatchCountDownScheduler scheduler = LatchCountDownScheduler.get(retryScheduledLatch, 0L, 1L);
ClientContext schedulerContext = getClientContext(initialChannel, scheduler);
OperationCallable<Integer, Color, Currency> callable =
FakeCallableFactory.createOperationCallable(
initialCallable, callSettings, schedulerContext, longRunningClient);
OperationFuture<Color, Currency> future =
callable.futureCall(2, FakeCallContext.createDefault());
CancellationHelpers.cancelInThreadAfterLatchCountDown(future, retryScheduledLatch);
assertFutureCancelMetaCancel(future);
}
@Test
public void testInitialServerSideCancel() throws Exception {
String opName = "testInitialServerSideCancel";
StatusCode errorCode = FakeStatusCode.of(StatusCode.Code.CANCELLED);
Currency meta = Currency.getInstance("UAH");
OperationSnapshot resultOperation = getOperation(opName, null, errorCode, meta, true);
UnaryCallable<Integer, OperationSnapshot> initialCallable =
mockGetOpSnapshotCallable(StatusCode.Code.OK, resultOperation);
LongRunningClient longRunningClient = new UnsupportedOperationApi();
OperationCallable<Integer, Color, Currency> callable =
FakeCallableFactory.createOperationCallable(
initialCallable, callSettings, initialContext, longRunningClient);
OperationFuture<Color, Currency> future =
callable.futureCall(2, FakeCallContext.createDefault());
String errorMessage =
"Operation with name \""
+ opName
+ "\" failed with status = "
+ errorCode
+ " and message = "
+ "null";
assertFutureFailMetaSuccess(
future, meta, FakeStatusCode.of(StatusCode.Code.CANCELLED), errorMessage);
assertThat(executor.getIterationsCount()).isEqualTo(0);
}
@Test
public void testPollServerSideCancel() throws Exception {
String opName = "testPollServerSideCancel";
StatusCode errorCode = FakeStatusCode.of(StatusCode.Code.CANCELLED);
Currency meta = Currency.getInstance("UAH");
OperationSnapshot initialOperation = getOperation(opName, null, null, meta, false);
UnaryCallable<Integer, OperationSnapshot> initialCallable =
mockGetOpSnapshotCallable(StatusCode.Code.OK, initialOperation);
OperationSnapshot resultOperation1 = getOperation(opName, null, null, null, false);
OperationSnapshot resultOperation2 = getOperation(opName, null, errorCode, meta, true);
LongRunningClient longRunningClient =
mockGetOperation(StatusCode.Code.OK, resultOperation1, resultOperation2);
OperationCallable<Integer, Color, Currency> callable =
FakeCallableFactory.createOperationCallable(
initialCallable, callSettings, initialContext, longRunningClient);
OperationFuture<Color, Currency> future =
callable.futureCall(2, FakeCallContext.createDefault());
String errorMessage =
"Operation with name \""
+ opName
+ "\" failed with status = "
+ errorCode
+ " and message = "
+ "null";
assertFutureFailMetaSuccess(
future, meta, FakeStatusCode.of(StatusCode.Code.CANCELLED), errorMessage);
assertThat(executor.getIterationsCount()).isEqualTo(1);
}
@Test
public void call() throws Exception {
ApiCallContext defaultCallContext = FakeCallContext.createDefault();
OperationStashCallable stashCallable = new OperationStashCallable();
OperationCallable<Integer, String, Long> callable =
stashCallable.withDefaultCallContext(defaultCallContext);
String response = callable.call(1);
Truth.assertThat(response).isEqualTo("1");
Truth.assertThat(stashCallable.getContext()).isSameInstanceAs(defaultCallContext);
}
@Test
public void callWithContext() throws Exception {
FakeChannel channel = new FakeChannel();
Credentials credentials = Mockito.mock(Credentials.class);
ApiCallContext context =
FakeCallContext.createDefault().withChannel(channel).withCredentials(credentials);
OperationStashCallable stashCallable = new OperationStashCallable();
OperationCallable<Integer, String, Long> callable =
stashCallable.withDefaultCallContext(FakeCallContext.createDefault());
String response = callable.call(2, context);
Truth.assertThat(response).isEqualTo("2");
FakeCallContext actualContext = (FakeCallContext) stashCallable.getContext();
Truth.assertThat(actualContext.getChannel()).isSameInstanceAs(channel);
Truth.assertThat(actualContext.getCredentials()).isSameInstanceAs(credentials);
}
@Test
public void callResume() throws Exception {
ApiCallContext defaultCallContext = FakeCallContext.createDefault();
OperationStashCallable stashCallable = new OperationStashCallable();
OperationCallable<Integer, String, Long> callable =
stashCallable.withDefaultCallContext(defaultCallContext);
OperationFuture<String, Long> operationFuture = callable.futureCall(45);
String response = callable.resumeFutureCall(operationFuture.getName()).get();
Truth.assertThat(response).isEqualTo("45");
Truth.assertThat(stashCallable.getResumeContext()).isSameInstanceAs(defaultCallContext);
}
@Test
public void callResumeWithContext() throws Exception {
FakeChannel channel = new FakeChannel();
Credentials credentials = Mockito.mock(Credentials.class);
ApiCallContext context =
FakeCallContext.createDefault().withChannel(channel).withCredentials(credentials);
OperationStashCallable stashCallable = new OperationStashCallable();
OperationCallable<Integer, String, Long> callable =
stashCallable.withDefaultCallContext(FakeCallContext.createDefault());
OperationFuture<String, Long> operationFuture = callable.futureCall(45);
String response = callable.resumeFutureCall(operationFuture.getName(), context).get();
Truth.assertThat(response).isEqualTo("45");
FakeCallContext actualContext = (FakeCallContext) stashCallable.getResumeContext();
Truth.assertThat(actualContext.getChannel()).isSameInstanceAs(channel);
Truth.assertThat(actualContext.getCredentials()).isSameInstanceAs(credentials);
}
@Test
public void callCancel() throws Exception {
ApiCallContext defaultCallContext = FakeCallContext.createDefault();
OperationStashCallable stashCallable = new OperationStashCallable();
OperationCallable<Integer, String, Long> callable =
stashCallable.withDefaultCallContext(defaultCallContext);
OperationFuture<String, Long> operationFuture = callable.futureCall(45);
callable.cancel(operationFuture.getName()).get();
Truth.assertThat(stashCallable.wasCancelCalled()).isTrue();
Truth.assertThat(stashCallable.getCancelContext()).isSameInstanceAs(defaultCallContext);
}
@Test
public void callCancelWithContext() throws Exception {
FakeChannel channel = new FakeChannel();
Credentials credentials = Mockito.mock(Credentials.class);
ApiCallContext context =
FakeCallContext.createDefault().withChannel(channel).withCredentials(credentials);
OperationStashCallable stashCallable = new OperationStashCallable();
OperationCallable<Integer, String, Long> callable =
stashCallable.withDefaultCallContext(FakeCallContext.createDefault());
OperationFuture<String, Long> operationFuture = callable.futureCall(45);
callable.cancel(operationFuture.getName(), context).get();
Truth.assertThat(stashCallable.wasCancelCalled()).isTrue();
FakeCallContext actualContext = (FakeCallContext) stashCallable.getCancelContext();
Truth.assertThat(actualContext.getChannel()).isSameInstanceAs(channel);
Truth.assertThat(actualContext.getCredentials()).isSameInstanceAs(credentials);
}
private void assertFutureSuccessMetaSuccess(
String opName, OperationFuture<Color, Currency> future, Color resp, Currency meta)
throws InterruptedException, ExecutionException, TimeoutException {
assertThat(future.getName()).isEqualTo(opName);
Truth.assertThat(future.get(3, TimeUnit.SECONDS)).isEqualTo(resp);
assertThat(future.isDone()).isTrue();
assertThat(future.isCancelled()).isFalse();
Truth.assertThat(future.get()).isEqualTo(resp);
Truth.assertThat(future.peekMetadata().get()).isEqualTo(meta);
assertThat(future.peekMetadata()).isSameInstanceAs(future.peekMetadata());
assertThat(future.peekMetadata().isDone()).isTrue();
assertThat(future.peekMetadata().isCancelled()).isFalse();
Truth.assertThat(future.getMetadata().get()).isEqualTo(meta);
assertThat(future.getMetadata()).isSameInstanceAs(future.getMetadata());
assertThat(future.getMetadata().isDone()).isTrue();
assertThat(future.getMetadata().isCancelled()).isFalse();
}
private void assertFutureFailMetaFail(
OperationFuture<Color, Currency> future,
Class<? extends Exception> exceptionClass,
FakeStatusCode statusCode)
throws TimeoutException, InterruptedException {
Exception exception = null;
try {
future.get(3, TimeUnit.SECONDS);
} catch (ExecutionException e) {
exception = e;
}
assertThat(exception).isNotNull();
if (statusCode != null) {
assertExceptionMatchesCode(statusCode, exception.getCause());
ApiException cause = (ApiException) exception.getCause();
assertThat(cause.getStatusCode()).isEqualTo(statusCode);
} else {
assertThat(exception.getCause().getClass()).isEqualTo(exceptionClass);
}
assertThat(future.isDone()).isTrue();
assertThat(future.isCancelled()).isFalse();
try {
future.peekMetadata().get(3, TimeUnit.SECONDS);
} catch (ExecutionException e) {
exception = e;
}
assertThat(exception).isNotNull();
if (statusCode != null) {
assertExceptionMatchesCode(statusCode, exception.getCause());
ApiException cause = (ApiException) exception.getCause();
assertThat(cause.getStatusCode()).isEqualTo(statusCode);
} else {
assertThat(exception.getCause().getClass()).isEqualTo(exceptionClass);
}
assertThat(future.peekMetadata()).isSameInstanceAs(future.peekMetadata());
assertThat(future.peekMetadata().isDone()).isTrue();
assertThat(future.peekMetadata().isCancelled()).isFalse();
try {
future.getMetadata().get(3, TimeUnit.SECONDS);
} catch (ExecutionException e) {