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- Change flatMap to use concurrency 1 in a trigger handling which should fix issues when events are sent fast. - Fixes #942
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131 changes: 131 additions & 0 deletions
131
...hine-core/src/test/java/org/springframework/statemachine/action/ReactiveAction2Tests.java
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|---|---|---|
| @@ -0,0 +1,131 @@ | ||
| /* | ||
| * Copyright 2021 the original author or authors. | ||
| * | ||
| * Licensed under the Apache License, Version 2.0 (the "License"); | ||
| * you may not use this file except in compliance with the License. | ||
| * You may obtain a copy of the License at | ||
| * | ||
| * https://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. | ||
| */ | ||
| package org.springframework.statemachine.action; | ||
|
|
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| import static org.assertj.core.api.Assertions.assertThat; | ||
| import static org.springframework.statemachine.TestUtils.doSendEventsAndConsumeAllWithComplete; | ||
| import static org.springframework.statemachine.TestUtils.doStartAndAssert; | ||
| import static org.springframework.statemachine.TestUtils.resolveMachine; | ||
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|
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| import java.time.Duration; | ||
| import java.util.concurrent.CountDownLatch; | ||
| import java.util.concurrent.TimeUnit; | ||
| import java.util.concurrent.atomic.AtomicLong; | ||
|
|
||
| import org.junit.jupiter.api.Test; | ||
| import org.springframework.context.annotation.AnnotationConfigApplicationContext; | ||
| import org.springframework.context.annotation.Bean; | ||
| import org.springframework.context.annotation.Configuration; | ||
| import org.springframework.statemachine.AbstractStateMachineTests; | ||
| import org.springframework.statemachine.StateContext; | ||
| import org.springframework.statemachine.StateMachine; | ||
| import org.springframework.statemachine.config.EnableStateMachine; | ||
| import org.springframework.statemachine.config.EnumStateMachineConfigurerAdapter; | ||
| import org.springframework.statemachine.config.builders.StateMachineStateConfigurer; | ||
| import org.springframework.statemachine.config.builders.StateMachineTransitionConfigurer; | ||
|
|
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| import reactor.core.publisher.Mono; | ||
|
|
||
| /** | ||
| * Tests for state machine reactive actions. | ||
| * | ||
| * @author Janne Valkealahti | ||
| * | ||
| */ | ||
| public class ReactiveAction2Tests extends AbstractStateMachineTests { | ||
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| @Test | ||
| public void testSimpleReactiveActions() throws Exception { | ||
| context.register(Config1.class); | ||
| context.refresh(); | ||
| StateMachine<TestStates, TestEvents> machine = resolveMachine(context); | ||
| doStartAndAssert(machine); | ||
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|
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| TestCountAction testAction3 = context.getBean("testAction3", TestCountAction.class); | ||
| TestCountAction testAction4 = context.getBean("testAction4", TestCountAction.class); | ||
| doSendEventsAndConsumeAllWithComplete(machine, TestEvents.E1, TestEvents.E2); | ||
| assertThat(testAction3.latch.await(6, TimeUnit.SECONDS)).isTrue(); | ||
| assertThat(testAction4.latch.await(6, TimeUnit.SECONDS)).isTrue(); | ||
| assertThat(testAction4.time.get() - testAction3.time.get()).isGreaterThan(1000); | ||
| } | ||
|
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| @Configuration | ||
| @EnableStateMachine | ||
| static class Config1 extends EnumStateMachineConfigurerAdapter<TestStates, TestEvents> { | ||
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| @Override | ||
| public void configure(StateMachineStateConfigurer<TestStates, TestEvents> states) throws Exception { | ||
| states | ||
| .withStates() | ||
| .initial(TestStates.S1) | ||
| .stateEntryFunction(TestStates.S2, testAction3()) | ||
| .stateEntryFunction(TestStates.S3, testAction4()); | ||
| } | ||
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| @Override | ||
| public void configure(StateMachineTransitionConfigurer<TestStates, TestEvents> transitions) throws Exception { | ||
| transitions | ||
| .withExternal() | ||
| .source(TestStates.S1) | ||
| .target(TestStates.S2) | ||
| .event(TestEvents.E1) | ||
| .and() | ||
| .withExternal() | ||
| .source(TestStates.S2) | ||
| .target(TestStates.S3) | ||
| .event(TestEvents.E2); | ||
| } | ||
|
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| @Bean | ||
| public TestCountAction testAction3() { | ||
| return new TestCountAction("ACTION3"); | ||
| } | ||
|
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| @Bean | ||
| public TestCountAction testAction4() { | ||
| return new TestCountAction("ACTION4"); | ||
| } | ||
| } | ||
|
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| @Override | ||
| protected AnnotationConfigApplicationContext buildContext() { | ||
| return new AnnotationConfigApplicationContext(); | ||
| } | ||
|
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| private static class TestCountAction implements ReactiveAction<TestStates, TestEvents> { | ||
|
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| private final String id; | ||
| int count = 0; | ||
| CountDownLatch latch = new CountDownLatch(1); | ||
| AtomicLong time = new AtomicLong(); | ||
|
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| TestCountAction(String id) { | ||
| this.id = id; | ||
| } | ||
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| @Override | ||
| public Mono<Void> apply(StateContext<TestStates, TestEvents> context) { | ||
| return Mono.delay(Duration.ofMillis(2000)) | ||
| .doFinally(x -> { | ||
| count++; | ||
| time.set(System.currentTimeMillis()); | ||
| latch.countDown(); | ||
| }) | ||
| .then() | ||
| .log(id); | ||
| } | ||
| } | ||
| } |