migratedb.v1.integrationtest.util.base.ParallelExecutionConfig.kt Maven / Gradle / Ivy
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/*
* Copyright 2022-2024 The MigrateDB contributors
*
* 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
*
* 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.
*/
package migratedb.v1.integrationtest.util.base
import org.junit.platform.engine.ConfigurationParameters
import org.junit.platform.engine.support.hierarchical.ParallelExecutionConfiguration
import org.junit.platform.engine.support.hierarchical.ParallelExecutionConfigurationStrategy
class ParallelExecutionConfig : ParallelExecutionConfigurationStrategy {
override fun createConfiguration(configurationParameters: ConfigurationParameters): ParallelExecutionConfiguration {
val approximateTotalNumberOfTests = 1000
return object : ParallelExecutionConfiguration {
// We need about as many threads as there are tests to make good use of the container pool.
// This is going to be much more lightwight once Loom delivers virtual threads.
override fun getParallelism() = approximateTotalNumberOfTests
override fun getMinimumRunnable() = 1
override fun getCorePoolSize() = 1
override fun getMaxPoolSize() = approximateTotalNumberOfTests
override fun getKeepAliveSeconds() = 5
}
}
}