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Add Nexus operation link support #2266
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139 changes: 139 additions & 0 deletions
139
temporal-sdk/src/test/java/io/temporal/workflow/nexus/WorkflowOperationLinkingTest.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.nexus; | ||
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import static io.temporal.internal.common.WorkflowExecutionUtils.getEventOfType; | ||
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import io.nexusrpc.handler.OperationHandler; | ||
import io.nexusrpc.handler.OperationImpl; | ||
import io.nexusrpc.handler.ServiceImpl; | ||
import io.temporal.api.enums.v1.EventType; | ||
import io.temporal.api.history.v1.History; | ||
import io.temporal.api.history.v1.HistoryEvent; | ||
import io.temporal.client.WorkflowOptions; | ||
import io.temporal.client.WorkflowStub; | ||
import io.temporal.nexus.WorkflowClientOperationHandlers; | ||
import io.temporal.testing.internal.SDKTestWorkflowRule; | ||
import io.temporal.workflow.*; | ||
import io.temporal.workflow.shared.TestNexusServices; | ||
import io.temporal.workflow.shared.TestWorkflows; | ||
import java.time.Duration; | ||
import org.junit.Assert; | ||
import org.junit.Rule; | ||
import org.junit.Test; | ||
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public class WorkflowOperationLinkingTest extends BaseNexusTest { | ||
@Rule | ||
public SDKTestWorkflowRule testWorkflowRule = | ||
SDKTestWorkflowRule.newBuilder() | ||
.setWorkflowTypes(TestNexus.class, TestOperationWorkflow.class) | ||
.setNexusServiceImplementation(new TestNexusServiceImpl()) | ||
.build(); | ||
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@Override | ||
protected SDKTestWorkflowRule getTestWorkflowRule() { | ||
return testWorkflowRule; | ||
} | ||
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@Test | ||
public void testWorkflowOperationLinks() { | ||
TestWorkflows.TestWorkflow1 workflowStub = | ||
testWorkflowRule.newWorkflowStubTimeoutOptions(TestWorkflows.TestWorkflow1.class); | ||
String result = workflowStub.execute(testWorkflowRule.getTaskQueue()); | ||
Assert.assertEquals("Hello from operation workflow " + testWorkflowRule.getTaskQueue(), result); | ||
History history = | ||
testWorkflowRule | ||
.getWorkflowClient() | ||
.fetchHistory(WorkflowStub.fromTyped(workflowStub).getExecution().getWorkflowId()) | ||
.getHistory(); | ||
// Assert that the operation started event has a link to the workflow execution started event | ||
HistoryEvent nexusStartedEvent = | ||
getEventOfType(history, EventType.EVENT_TYPE_NEXUS_OPERATION_STARTED); | ||
Assert.assertEquals(1, nexusStartedEvent.getLinksCount()); | ||
Assert.assertEquals( | ||
EventType.EVENT_TYPE_WORKFLOW_EXECUTION_STARTED, | ||
nexusStartedEvent.getLinks(0).getWorkflowEvent().getEventRef().getEventType()); | ||
} | ||
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public static class TestNexus implements TestWorkflows.TestWorkflow1 { | ||
@Override | ||
public String execute(String input) { | ||
NexusOperationOptions options = | ||
NexusOperationOptions.newBuilder() | ||
.setScheduleToCloseTimeout(Duration.ofSeconds(10)) | ||
.build(); | ||
NexusServiceOptions serviceOptions = | ||
NexusServiceOptions.newBuilder() | ||
.setEndpoint(getEndpointName()) | ||
.setOperationOptions(options) | ||
.build(); | ||
TestNexusServices.TestNexusService1 serviceStub = | ||
Workflow.newNexusServiceStub(TestNexusServices.TestNexusService1.class, serviceOptions); | ||
// Start an asynchronous operation backed by a workflow | ||
NexusOperationHandle<String> asyncOpHandle = | ||
Workflow.startNexusOperation(serviceStub::operation, input); | ||
NexusOperationExecution asyncExec = asyncOpHandle.getExecution().get(); | ||
// Signal the operation to unblock, this makes sure the operation doesn't complete before the | ||
// operation | ||
// started event is written to history | ||
Workflow.newExternalWorkflowStub(OperationWorkflow.class, asyncExec.getOperationId().get()) | ||
.unblock(); | ||
return asyncOpHandle.getResult().get(); | ||
} | ||
} | ||
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@WorkflowInterface | ||
public interface OperationWorkflow { | ||
@WorkflowMethod | ||
String execute(String arg); | ||
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@SignalMethod | ||
void unblock(); | ||
} | ||
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public static class TestOperationWorkflow implements OperationWorkflow { | ||
boolean unblocked = false; | ||
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@Override | ||
public String execute(String arg) { | ||
Workflow.await(() -> unblocked); | ||
return "Hello from operation workflow " + arg; | ||
} | ||
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@Override | ||
public void unblock() { | ||
unblocked = true; | ||
} | ||
} | ||
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@ServiceImpl(service = TestNexusServices.TestNexusService1.class) | ||
public class TestNexusServiceImpl { | ||
@OperationImpl | ||
public OperationHandler<String, String> operation() { | ||
return WorkflowClientOperationHandlers.fromWorkflowMethod( | ||
(context, details, client, input) -> | ||
client.newWorkflowStub( | ||
AsyncWorkflowOperationTest.OperationWorkflow.class, | ||
WorkflowOptions.newBuilder().setWorkflowId(details.getRequestId()).build()) | ||
::execute); | ||
} | ||
} | ||
} |
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@bergundy is it fair to say their is no way to set this right now?