| /* |
| * Copyright 2016-2018 JetBrains s.r.o. Use of this source code is governed by the Apache 2.0 license. |
| */ |
| |
| package kotlinx.coroutines.rx2 |
| |
| import io.reactivex.* |
| import io.reactivex.disposables.* |
| import io.reactivex.exceptions.* |
| import kotlinx.coroutines.* |
| import org.junit.Test |
| import kotlin.test.* |
| |
| class CompletableTest : TestBase() { |
| @Test |
| fun testBasicSuccess() = runBlocking { |
| expect(1) |
| val completable = rxCompletable(currentDispatcher()) { |
| expect(4) |
| } |
| expect(2) |
| completable.subscribe { |
| expect(5) |
| } |
| expect(3) |
| yield() // to completable coroutine |
| finish(6) |
| } |
| |
| @Test |
| fun testBasicFailure() = runBlocking { |
| expect(1) |
| val completable = rxCompletable(currentDispatcher()) { |
| expect(4) |
| throw RuntimeException("OK") |
| } |
| expect(2) |
| completable.subscribe({ |
| expectUnreached() |
| }, { error -> |
| expect(5) |
| assertTrue(error is RuntimeException) |
| assertEquals("OK", error.message) |
| }) |
| expect(3) |
| yield() // to completable coroutine |
| finish(6) |
| } |
| |
| @Test |
| fun testBasicUnsubscribe() = runBlocking { |
| expect(1) |
| val completable = rxCompletable(currentDispatcher()) { |
| expect(4) |
| yield() // back to main, will get cancelled |
| expectUnreached() |
| } |
| expect(2) |
| // nothing is called on a disposed rx2 completable |
| val sub = completable.subscribe({ |
| expectUnreached() |
| }, { |
| expectUnreached() |
| }) |
| expect(3) |
| yield() // to started coroutine |
| expect(5) |
| sub.dispose() // will cancel coroutine |
| yield() |
| finish(6) |
| } |
| |
| @Test |
| fun testAwaitSuccess() = runBlocking { |
| expect(1) |
| val completable = rxCompletable(currentDispatcher()) { |
| expect(3) |
| } |
| expect(2) |
| completable.await() // shall launch coroutine |
| finish(4) |
| } |
| |
| @Test |
| fun testAwaitFailure() = runBlocking { |
| expect(1) |
| val completable = rxCompletable(currentDispatcher()) { |
| expect(3) |
| throw RuntimeException("OK") |
| } |
| expect(2) |
| try { |
| completable.await() // shall launch coroutine and throw exception |
| expectUnreached() |
| } catch (e: RuntimeException) { |
| finish(4) |
| assertEquals("OK", e.message) |
| } |
| } |
| |
| @Test |
| fun testSuppressedException() = runTest { |
| val completable = rxCompletable(currentDispatcher()) { |
| launch(start = CoroutineStart.ATOMIC) { |
| throw TestException() // child coroutine fails |
| } |
| try { |
| delay(Long.MAX_VALUE) |
| } finally { |
| throw TestException2() // but parent throws another exception while cleaning up |
| } |
| } |
| try { |
| completable.await() |
| expectUnreached() |
| } catch (e: TestException) { |
| assertTrue(e.suppressed[0] is TestException2) |
| } |
| } |
| |
| @Test |
| fun testUnhandledException() = runTest() { |
| expect(1) |
| var disposable: Disposable? = null |
| val handler = { e: Throwable -> |
| assertTrue(e is UndeliverableException && e.cause is TestException) |
| expect(5) |
| } |
| val completable = rxCompletable(currentDispatcher()) { |
| expect(4) |
| disposable!!.dispose() // cancel our own subscription, so that delay will get cancelled |
| try { |
| delay(Long.MAX_VALUE) |
| } finally { |
| throw TestException() // would not be able to handle it since mono is disposed |
| } |
| } |
| withExceptionHandler(handler) { |
| completable.subscribe(object : CompletableObserver { |
| override fun onSubscribe(d: Disposable) { |
| expect(2) |
| disposable = d |
| } |
| |
| override fun onComplete() { |
| expectUnreached() |
| } |
| |
| override fun onError(t: Throwable) { |
| expectUnreached() |
| } |
| }) |
| expect(3) |
| yield() // run coroutine |
| finish(6) |
| } |
| } |
| |
| @Test |
| fun testFatalExceptionInSubscribe() = runTest { |
| val handler: (Throwable) -> Unit = { e -> |
| assertTrue(e is UndeliverableException && e.cause is LinkageError); expect(2) |
| } |
| |
| withExceptionHandler(handler) { |
| rxCompletable(Dispatchers.Unconfined) { |
| expect(1) |
| 42 |
| }.subscribe({ throw LinkageError() }) |
| finish(3) |
| } |
| } |
| |
| @Test |
| fun testFatalExceptionInSingle() = runTest { |
| rxCompletable(Dispatchers.Unconfined) { |
| throw LinkageError() |
| }.subscribe({ expectUnreached() }, { expect(1); assertTrue(it is LinkageError) }) |
| finish(2) |
| } |
| } |