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Check thread count in ParallelApplicationEventsIntegrationTests

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This commit is contained in:
Sam Brannen
2021-01-25 11:02:36 +01:00
parent 080ba5d448
commit cd9d562129
1 changed files with 10 additions and 5 deletions
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15
spring-test/src/test/java/org/springframework/test/context/junit/jupiter/event/ParallelApplicationEventsIntegrationTests.java
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@@ -1,5 +1,5 @@
/*
* Copyright 2002-2020 the original author or authors.
* Copyright 2002-2021 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.
@@ -16,6 +16,7 @@
package org.springframework.test.context.junit.jupiter.event;
import java.lang.management.ManagementFactory;
import java.util.Set;
import java.util.concurrent.ConcurrentHashMap;
import java.util.stream.Collectors;
@@ -74,10 +75,14 @@ class ParallelApplicationEventsIntegrationTests {
assertThat(payloads).hasSize(10);
assertThat(testNames).hasSize(10);
// There are probably 10 different thread names on a developer's machine,
// but we really just want to assert that at least two different threads
// were used, since the CI server seems to have fewer threads available.
assertThat(threadNames).hasSizeGreaterThanOrEqualTo(2);
// Skip the following assertion entirely if the thread count is too low.
if (ManagementFactory.getThreadMXBean().getThreadCount() >= 2) {
// There are probably 10 different thread names on a developer's machine,
// but we really just want to assert that at least two different threads
// were used, since the CI server often has fewer threads available.
assertThat(threadNames).hasSizeGreaterThanOrEqualTo(2);
}
}