38 lines
1.4 KiB
Kotlin
38 lines
1.4 KiB
Kotlin
package org.schabi.newpipe.testUtil
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import io.reactivex.rxjava3.android.plugins.RxAndroidPlugins
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import io.reactivex.rxjava3.plugins.RxJavaPlugins
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import io.reactivex.rxjava3.schedulers.Schedulers
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import org.junit.rules.TestRule
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import org.junit.runner.Description
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import org.junit.runners.model.Statement
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/**
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* Always run on [Schedulers.trampoline].
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* This executes the task in the current thread in FIFO manner.
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* This ensures that tasks are run quickly inside the tests
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* and not scheduled away to another thread for later execution
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*/
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class TrampolineSchedulerRule : TestRule {
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private val scheduler = Schedulers.trampoline()
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override fun apply(base: Statement, description: Description): Statement =
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object : Statement() {
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override fun evaluate() {
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try {
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RxJavaPlugins.setComputationSchedulerHandler { scheduler }
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RxJavaPlugins.setIoSchedulerHandler { scheduler }
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RxJavaPlugins.setNewThreadSchedulerHandler { scheduler }
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RxJavaPlugins.setSingleSchedulerHandler { scheduler }
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RxAndroidPlugins.setInitMainThreadSchedulerHandler { scheduler }
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base.evaluate()
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} finally {
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RxJavaPlugins.reset()
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RxAndroidPlugins.reset()
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}
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}
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}
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}
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