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/*
* Copyright 2016-2018 JetBrains s.r.o. Use of this source code is governed by the Apache 2.0 license.
*/
package kotlinx.coroutines.rx3
import io.reactivex.rxjava3.core.*
import kotlinx.coroutines.*
import org.junit.*
import org.junit.Test
import java.util.concurrent.*
import kotlin.test.*
class ObservableSingleTest : TestBase() {
@Before
fun setup() {
ignoreLostThreads("RxComputationThreadPool-", "RxCachedWorkerPoolEvictor-", "RxSchedulerPurge-")
}
@Test
fun testSingleNoWait() {
val observable = rxObservable {
send("OK")
}
checkSingleValue(observable) {
assertEquals("OK", it)
}
}
@Test
fun testSingleAwait() = runBlocking {
assertEquals("OK", Observable.just("O").awaitSingle() + "K")
}
@Test
fun testSingleEmitAndAwait() {
val observable = rxObservable {
send(Observable.just("O").awaitSingle() + "K")
}
checkSingleValue(observable) {
assertEquals("OK", it)
}
}
@Test
fun testSingleWithDelay() {
val observable = rxObservable {
send(Observable.timer(50, TimeUnit.MILLISECONDS).map { "O" }.awaitSingle() + "K")
}
checkSingleValue(observable) {
assertEquals("OK", it)
}
}
@Test
fun testSingleException() {
val observable = rxObservable {
send(Observable.just("O", "K").awaitSingle() + "K")
}
checkErroneous(observable) {
assertTrue(it is IllegalArgumentException)
}
}
@Test
fun testAwaitFirst() {
val observable = rxObservable {
send(Observable.just("O", "#").awaitFirst() + "K")
}
checkSingleValue(observable) {
assertEquals("OK", it)
}
}
@Test
fun testAwaitFirstOrDefault() {
val observable = rxObservable {
send(Observable.empty<String>().awaitFirstOrDefault("O") + "K")
}
checkSingleValue(observable) {
assertEquals("OK", it)
}
}
@Test
fun testAwaitFirstOrDefaultWithValues() {
val observable = rxObservable {
send(Observable.just("O", "#").awaitFirstOrDefault("!") + "K")
}
checkSingleValue(observable) {
assertEquals("OK", it)
}
}
@Test
fun testAwaitFirstOrNull() {
val observable = rxObservable<String> {
send(Observable.empty<String>().awaitFirstOrNull() ?: "OK")
}
checkSingleValue(observable) {
assertEquals("OK", it)
}
}
@Test
fun testAwaitFirstOrNullWithValues() {
val observable = rxObservable {
send((Observable.just("O", "#").awaitFirstOrNull() ?: "!") + "K")
}
checkSingleValue(observable) {
assertEquals("OK", it)
}
}
@Test
fun testAwaitFirstOrElse() {
val observable = rxObservable {
send(Observable.empty<String>().awaitFirstOrElse { "O" } + "K")
}
checkSingleValue(observable) {
assertEquals("OK", it)
}
}
@Test
fun testAwaitFirstOrElseWithValues() {
val observable = rxObservable {
send(Observable.just("O", "#").awaitFirstOrElse { "!" } + "K")
}
checkSingleValue(observable) {
assertEquals("OK", it)
}
}
@Test
fun testAwaitLast() {
val observable = rxObservable {
send(Observable.just("#", "O").awaitLast() + "K")
}
checkSingleValue(observable) {
assertEquals("OK", it)
}
}
@Test
fun testExceptionFromObservable() {
val observable = rxObservable {
try {
send(Observable.error<String>(RuntimeException("O")).awaitFirst())
} catch (e: RuntimeException) {
send(Observable.just(e.message!!).awaitLast() + "K")
}
}
checkSingleValue(observable) {
assertEquals("OK", it)
}
}
@Test
fun testExceptionFromCoroutine() {
val observable = rxObservable<String> {
throw IllegalStateException(Observable.just("O").awaitSingle() + "K")
}
checkErroneous(observable) {
assertTrue(it is IllegalStateException)
assertEquals("OK", it.message)
}
}
@Test
fun testObservableIteration() {
val observable = rxObservable {
var result = ""
Observable.just("O", "K").collect { result += it }
send(result)
}
checkSingleValue(observable) {
assertEquals("OK", it)
}
}
@Test
fun testObservableIterationFailure() {
val observable = rxObservable {
try {
Observable.error<String>(RuntimeException("OK")).collect { fail("Should not be here") }
send("Fail")
} catch (e: RuntimeException) {
send(e.message!!)
}
}
checkSingleValue(observable) {
assertEquals("OK", it)
}
}
}
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