Roman Elizarov | 331750b | 2017-02-15 17:59:17 +0300 | [diff] [blame] | 1 | /* |
| 2 | * Copyright 2016-2017 JetBrains s.r.o. |
| 3 | * |
| 4 | * Licensed under the Apache License, Version 2.0 (the "License"); |
| 5 | * you may not use this file except in compliance with the License. |
| 6 | * You may obtain a copy of the License at |
| 7 | * |
| 8 | * http://www.apache.org/licenses/LICENSE-2.0 |
| 9 | * |
| 10 | * Unless required by applicable law or agreed to in writing, software |
| 11 | * distributed under the License is distributed on an "AS IS" BASIS, |
| 12 | * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
| 13 | * See the License for the specific language governing permissions and |
| 14 | * limitations under the License. |
| 15 | */ |
| 16 | |
| 17 | package kotlinx.coroutines.experimental.rx2 |
| 18 | |
Roman Elizarov | 9fe5f46 | 2018-02-21 19:05:52 +0300 | [diff] [blame] | 19 | import io.reactivex.* |
Roman Elizarov | 331750b | 2017-02-15 17:59:17 +0300 | [diff] [blame] | 20 | import kotlinx.coroutines.experimental.* |
Roman Elizarov | 9fe5f46 | 2018-02-21 19:05:52 +0300 | [diff] [blame] | 21 | import org.hamcrest.MatcherAssert.* |
| 22 | import org.hamcrest.core.* |
| 23 | import org.junit.* |
| 24 | import org.junit.runner.* |
| 25 | import org.junit.runners.* |
| 26 | import kotlin.coroutines.experimental.* |
Roman Elizarov | 331750b | 2017-02-15 17:59:17 +0300 | [diff] [blame] | 27 | |
| 28 | @RunWith(Parameterized::class) |
| 29 | class IntegrationTest( |
| 30 | val ctx: Ctx, |
| 31 | val delay: Boolean |
| 32 | ) : TestBase() { |
| 33 | |
| 34 | enum class Ctx { |
| 35 | MAIN { override fun invoke(context: CoroutineContext): CoroutineContext = context }, |
| 36 | COMMON_POOL { override fun invoke(context: CoroutineContext): CoroutineContext = CommonPool }, |
| 37 | UNCONFINED { override fun invoke(context: CoroutineContext): CoroutineContext = Unconfined }; |
| 38 | |
| 39 | abstract operator fun invoke(context: CoroutineContext): CoroutineContext |
| 40 | } |
| 41 | |
| 42 | companion object { |
| 43 | @Parameterized.Parameters(name = "ctx={0}, delay={1}") |
| 44 | @JvmStatic |
| 45 | fun params(): Collection<Array<Any>> = Ctx.values().flatMap { ctx -> |
| 46 | listOf(false, true).map { delay -> |
| 47 | arrayOf<Any>(ctx, delay) |
| 48 | } |
| 49 | } |
| 50 | } |
| 51 | |
| 52 | @Test |
Roman Elizarov | 4a67afb | 2017-03-16 11:10:47 +0300 | [diff] [blame] | 53 | fun testEmpty(): Unit = runBlocking { |
Roman Elizarov | 43e3af7 | 2017-07-21 16:01:31 +0300 | [diff] [blame] | 54 | val observable = rxObservable<String>(ctx(coroutineContext)) { |
Roman Elizarov | 4a67afb | 2017-03-16 11:10:47 +0300 | [diff] [blame] | 55 | if (delay) delay(1) |
| 56 | // does not send anything |
| 57 | } |
Roman Elizarov | 86349be | 2017-03-17 16:47:37 +0300 | [diff] [blame] | 58 | assertNSE { observable.awaitFirst() } |
| 59 | assertThat(observable.awaitFirstOrDefault("OK"), IsEqual("OK")) |
Konrad Kamiński | b8ed47c | 2018-02-06 12:17:53 +0100 | [diff] [blame] | 60 | assertThat(observable.awaitFirstOrNull(), IsNull()) |
| 61 | assertThat(observable.awaitFirstOrElse { "ELSE" }, IsEqual("ELSE")) |
Roman Elizarov | 86349be | 2017-03-17 16:47:37 +0300 | [diff] [blame] | 62 | assertNSE { observable.awaitLast() } |
| 63 | assertNSE { observable.awaitSingle() } |
Roman Elizarov | 4a67afb | 2017-03-16 11:10:47 +0300 | [diff] [blame] | 64 | var cnt = 0 |
Roman Elizarov | 86349be | 2017-03-17 16:47:37 +0300 | [diff] [blame] | 65 | observable.consumeEach { |
Roman Elizarov | 4a67afb | 2017-03-16 11:10:47 +0300 | [diff] [blame] | 66 | cnt++ |
| 67 | } |
| 68 | assertThat(cnt, IsEqual(0)) |
| 69 | } |
| 70 | |
| 71 | @Test |
Roman Elizarov | 331750b | 2017-02-15 17:59:17 +0300 | [diff] [blame] | 72 | fun testSingle() = runBlocking<Unit> { |
Roman Elizarov | 43e3af7 | 2017-07-21 16:01:31 +0300 | [diff] [blame] | 73 | val observable = rxObservable<String>(ctx(coroutineContext)) { |
Roman Elizarov | 331750b | 2017-02-15 17:59:17 +0300 | [diff] [blame] | 74 | if (delay) delay(1) |
| 75 | send("OK") |
| 76 | } |
| 77 | assertThat(observable.awaitFirst(), IsEqual("OK")) |
Konrad Kamiński | b8ed47c | 2018-02-06 12:17:53 +0100 | [diff] [blame] | 78 | assertThat(observable.awaitFirstOrDefault("OK"), IsEqual("OK")) |
| 79 | assertThat(observable.awaitFirstOrNull(), IsEqual("OK")) |
| 80 | assertThat(observable.awaitFirstOrElse { "ELSE" }, IsEqual("OK")) |
Roman Elizarov | 331750b | 2017-02-15 17:59:17 +0300 | [diff] [blame] | 81 | assertThat(observable.awaitLast(), IsEqual("OK")) |
| 82 | assertThat(observable.awaitSingle(), IsEqual("OK")) |
| 83 | var cnt = 0 |
Roman Elizarov | 86349be | 2017-03-17 16:47:37 +0300 | [diff] [blame] | 84 | observable.consumeEach { |
| 85 | assertThat(it, IsEqual("OK")) |
Roman Elizarov | 331750b | 2017-02-15 17:59:17 +0300 | [diff] [blame] | 86 | cnt++ |
| 87 | } |
| 88 | assertThat(cnt, IsEqual(1)) |
| 89 | } |
| 90 | |
| 91 | @Test |
| 92 | fun testNumbers() = runBlocking<Unit> { |
| 93 | val n = 100 * stressTestMultiplier |
Roman Elizarov | 43e3af7 | 2017-07-21 16:01:31 +0300 | [diff] [blame] | 94 | val observable = rxObservable<Int>(ctx(coroutineContext)) { |
Roman Elizarov | 331750b | 2017-02-15 17:59:17 +0300 | [diff] [blame] | 95 | for (i in 1..n) { |
| 96 | send(i) |
| 97 | if (delay) delay(1) |
| 98 | } |
| 99 | } |
| 100 | assertThat(observable.awaitFirst(), IsEqual(1)) |
Konrad Kamiński | b8ed47c | 2018-02-06 12:17:53 +0100 | [diff] [blame] | 101 | assertThat(observable.awaitFirstOrDefault(0), IsEqual(1)) |
| 102 | assertThat(observable.awaitFirstOrNull(), IsEqual(1)) |
| 103 | assertThat(observable.awaitFirstOrElse { 0 }, IsEqual(1)) |
Roman Elizarov | 331750b | 2017-02-15 17:59:17 +0300 | [diff] [blame] | 104 | assertThat(observable.awaitLast(), IsEqual(n)) |
Roman Elizarov | 4a67afb | 2017-03-16 11:10:47 +0300 | [diff] [blame] | 105 | assertIAE { observable.awaitSingle() } |
Roman Elizarov | 331750b | 2017-02-15 17:59:17 +0300 | [diff] [blame] | 106 | checkNumbers(n, observable) |
Roman Elizarov | 0f66a6d | 2017-06-22 14:57:53 +0300 | [diff] [blame] | 107 | val channel = observable.openSubscription() |
Roman Elizarov | 43e3af7 | 2017-07-21 16:01:31 +0300 | [diff] [blame] | 108 | checkNumbers(n, channel.asObservable(ctx(coroutineContext))) |
Marko Devcic | 1d6230a | 2018-04-04 20:13:08 +0200 | [diff] [blame] | 109 | channel.cancel() |
Roman Elizarov | 331750b | 2017-02-15 17:59:17 +0300 | [diff] [blame] | 110 | } |
| 111 | |
| 112 | private suspend fun checkNumbers(n: Int, observable: Observable<Int>) { |
| 113 | var last = 0 |
Roman Elizarov | 86349be | 2017-03-17 16:47:37 +0300 | [diff] [blame] | 114 | observable.consumeEach { |
| 115 | assertThat(it, IsEqual(++last)) |
Roman Elizarov | 331750b | 2017-02-15 17:59:17 +0300 | [diff] [blame] | 116 | } |
| 117 | assertThat(last, IsEqual(n)) |
| 118 | } |
Roman Elizarov | 4a67afb | 2017-03-16 11:10:47 +0300 | [diff] [blame] | 119 | |
| 120 | |
| 121 | inline fun assertIAE(block: () -> Unit) { |
| 122 | try { |
| 123 | block() |
| 124 | expectUnreached() |
| 125 | } catch (e: Throwable) { |
| 126 | assertThat(e, IsInstanceOf(IllegalArgumentException::class.java)) |
| 127 | } |
| 128 | } |
| 129 | |
| 130 | inline fun assertNSE(block: () -> Unit) { |
| 131 | try { |
| 132 | block() |
| 133 | expectUnreached() |
| 134 | } catch (e: Throwable) { |
| 135 | assertThat(e, IsInstanceOf(NoSuchElementException::class.java)) |
| 136 | } |
| 137 | } |
Roman Elizarov | 331750b | 2017-02-15 17:59:17 +0300 | [diff] [blame] | 138 | } |