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Add an integration test that covers critical history pagination code
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temporal-sdk/src/test/java/io/temporal/workflow/LongWorkflowHistoryServerPaginationTest.java
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/* | ||
* Copyright (C) 2022 Temporal Technologies, Inc. All Rights Reserved. | ||
* | ||
* Copyright (C) 2012-2016 Amazon.com, Inc. or its affiliates. All Rights Reserved. | ||
* | ||
* Modifications copyright (C) 2017 Uber Technologies, Inc. | ||
* | ||
* Licensed under the Apache License, Version 2.0 (the "License"); | ||
* you may not use this material 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. | ||
*/ | ||
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package io.temporal.workflow; | ||
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import static org.junit.Assert.assertEquals; | ||
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import io.temporal.activity.ActivityOptions; | ||
import io.temporal.client.WorkflowStub; | ||
import io.temporal.common.RetryOptions; | ||
import io.temporal.internal.Signal; | ||
import io.temporal.testing.internal.SDKTestOptions; | ||
import io.temporal.testing.internal.SDKTestWorkflowRule; | ||
import io.temporal.workflow.shared.TestActivities; | ||
import io.temporal.workflow.shared.TestWorkflows; | ||
import java.time.Duration; | ||
import java.util.ArrayList; | ||
import java.util.List; | ||
import org.junit.Rule; | ||
import org.junit.Test; | ||
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/** | ||
* Covers ServiceWorkflowHistoryIterator with an integration test that includes a server pagination | ||
*/ | ||
public class LongWorkflowHistoryServerPaginationTest { | ||
private static final Signal ACTIVITIES_COMPLETED = new Signal(); | ||
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@Rule | ||
public SDKTestWorkflowRule testWorkflowRule = | ||
SDKTestWorkflowRule.newBuilder() | ||
.setWorkflowTypes(TestLongHistoryWorkflow.class) | ||
.setActivityImplementations(new TestActivities.TestActivitiesImpl()) | ||
.setUseTimeskipping(false) | ||
.build(); | ||
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@Test(timeout = 20_000) | ||
public void longWorkflowTriggeringServerPaginationCanFinish() throws InterruptedException { | ||
RetryOptions workflowRetryOptions = | ||
RetryOptions.newBuilder() | ||
.setInitialInterval(Duration.ofMillis(1)) | ||
.setMaximumAttempts(2) | ||
.setBackoffCoefficient(1.0) | ||
.build(); | ||
TestWorkflows.TestWorkflowReturnString typedStub = | ||
testWorkflowRule | ||
.getWorkflowClient() | ||
.newWorkflowStub( | ||
TestWorkflows.TestWorkflowReturnString.class, | ||
SDKTestOptions.newWorkflowOptionsWithTimeouts(testWorkflowRule.getTaskQueue()) | ||
.toBuilder() | ||
.setRetryOptions(workflowRetryOptions) | ||
.build()); | ||
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WorkflowStub untypedStub = WorkflowStub.fromTyped(typedStub); | ||
untypedStub.start(); | ||
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ACTIVITIES_COMPLETED.waitForSignal(); | ||
testWorkflowRule.invalidateWorkflowCache(); | ||
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assertEquals( | ||
"Workflow should be able to successfully finish after a full replay that includes fetching and pagination through Server history.", | ||
"success", | ||
untypedStub.getResult(String.class)); | ||
} | ||
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public static class TestLongHistoryWorkflow implements TestWorkflows.TestWorkflowReturnString { | ||
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private final TestActivities.VariousTestActivities activities = | ||
Workflow.newActivityStub( | ||
TestActivities.VariousTestActivities.class, | ||
ActivityOptions.newBuilder() | ||
.setScheduleToCloseTimeout(Duration.ofSeconds(200)) | ||
.build()); | ||
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@Override | ||
public String execute() { | ||
List<Promise<String>> promises = new ArrayList<>(); | ||
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// Pagination is triggered after 256 batches of event and each batch may contain >1 events. | ||
// All events created by WFT completion commands are in the same batch with workflow task | ||
// completion. | ||
// We want to paginate at least through two pages | ||
for (int j = 0; j < 512; j++) { | ||
Promise<String> function = Async.function(activities::activity); | ||
promises.add(function); | ||
} | ||
Promise.allOf(promises).get(); | ||
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ACTIVITIES_COMPLETED.signal(); | ||
// test code calls invalidate here and the next workflow task will cause replay with | ||
// pagination | ||
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Workflow.sleep(Duration.ofSeconds(3)); | ||
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return "success"; | ||
} | ||
} | ||
} |