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.rx1 |
| 18 | |
| 19 | import kotlinx.coroutines.experimental.CommonPool |
| 20 | import kotlinx.coroutines.experimental.runBlocking |
| 21 | import org.junit.Assert.assertEquals |
| 22 | import org.junit.Assert.fail |
| 23 | import org.junit.Test |
| 24 | import rx.Observable |
| 25 | import java.util.concurrent.TimeUnit |
| 26 | |
| 27 | /** |
| 28 | * Tests emitting single item with [rxObservable]. |
| 29 | */ |
| 30 | class ObservableSingleTest { |
| 31 | @Test |
| 32 | fun testSingleNoWait() { |
| 33 | val observable = rxObservable(CommonPool) { |
| 34 | send("OK") |
| 35 | } |
| 36 | |
| 37 | checkSingleValue(observable) { |
| 38 | assertEquals("OK", it) |
| 39 | } |
| 40 | } |
| 41 | |
| 42 | @Test |
| 43 | fun testSingleNullNoWait() { |
| 44 | val observable = rxObservable<String?>(CommonPool) { |
| 45 | send(null) |
| 46 | } |
| 47 | |
| 48 | checkSingleValue(observable) { |
| 49 | assertEquals(null, it) |
| 50 | } |
| 51 | } |
| 52 | |
| 53 | @Test |
| 54 | fun testSingleAwait() = runBlocking { |
| 55 | assertEquals("OK", Observable.just("O").awaitSingle() + "K") |
| 56 | } |
| 57 | |
| 58 | @Test |
| 59 | fun testSingleEmitAndAwait() { |
| 60 | val observable = rxObservable(CommonPool) { |
| 61 | send(Observable.just("O").awaitSingle() + "K") |
| 62 | } |
| 63 | |
| 64 | checkSingleValue(observable) { |
| 65 | assertEquals("OK", it) |
| 66 | } |
| 67 | } |
| 68 | |
| 69 | @Test |
| 70 | fun testSingleWithDelay() { |
| 71 | val observable = rxObservable(CommonPool) { |
| 72 | send(Observable.timer(50, TimeUnit.MILLISECONDS).map { "O" }.awaitSingle() + "K") |
| 73 | } |
| 74 | |
| 75 | checkSingleValue(observable) { |
| 76 | assertEquals("OK", it) |
| 77 | } |
| 78 | } |
| 79 | |
| 80 | @Test |
| 81 | fun testSingleException() { |
| 82 | val observable = rxObservable(CommonPool) { |
| 83 | send(Observable.just("O", "K").awaitSingle() + "K") |
| 84 | } |
| 85 | |
| 86 | checkErroneous(observable) { |
| 87 | assert(it is IllegalArgumentException) |
| 88 | } |
| 89 | } |
| 90 | |
| 91 | @Test |
| 92 | fun testAwaitFirst() { |
| 93 | val observable = rxObservable(CommonPool) { |
Roman Elizarov | 4a67afb | 2017-03-16 11:10:47 +0300 | [diff] [blame] | 94 | send(Observable.just("O", "#").awaitFirst() + "K") |
| 95 | } |
| 96 | |
| 97 | checkSingleValue(observable) { |
| 98 | assertEquals("OK", it) |
| 99 | } |
| 100 | } |
| 101 | |
| 102 | @Test |
| 103 | fun testAwaitFirstOrDefault() { |
| 104 | val observable = rxObservable(CommonPool) { |
Kirill Rakhman | ff4c7c3 | 2017-03-15 13:19:56 +0100 | [diff] [blame] | 105 | send(Observable.empty<String>().awaitFirstOrDefault("O") + "K") |
| 106 | } |
| 107 | |
| 108 | checkSingleValue(observable) { |
| 109 | assertEquals("OK", it) |
| 110 | } |
| 111 | } |
| 112 | |
Kirill Rakhman | ff4c7c3 | 2017-03-15 13:19:56 +0100 | [diff] [blame] | 113 | @Test |
Roman Elizarov | 4a67afb | 2017-03-16 11:10:47 +0300 | [diff] [blame] | 114 | fun testAwaitFirstOrDefaultWithValues() { |
Kirill Rakhman | ff4c7c3 | 2017-03-15 13:19:56 +0100 | [diff] [blame] | 115 | val observable = rxObservable(CommonPool) { |
Roman Elizarov | 4a67afb | 2017-03-16 11:10:47 +0300 | [diff] [blame] | 116 | send(Observable.just("O", "#").awaitFirstOrDefault("!") + "K") |
Roman Elizarov | 331750b | 2017-02-15 17:59:17 +0300 | [diff] [blame] | 117 | } |
| 118 | |
| 119 | checkSingleValue(observable) { |
| 120 | assertEquals("OK", it) |
| 121 | } |
| 122 | } |
| 123 | |
| 124 | @Test |
Konrad KamiĆski | b8ed47c | 2018-02-06 12:17:53 +0100 | [diff] [blame] | 125 | fun testAwaitFirstOrNull() { |
| 126 | val observable = rxObservable<String>(CommonPool) { |
| 127 | send(Observable.empty<String>().awaitFirstOrNull() ?: "OK") |
| 128 | } |
| 129 | |
| 130 | checkSingleValue(observable) { |
| 131 | assertEquals("OK", it) |
| 132 | } |
| 133 | } |
| 134 | |
| 135 | @Test |
| 136 | fun testAwaitFirstOrNullWithValues() { |
| 137 | val observable = rxObservable(CommonPool) { |
| 138 | send((Observable.just("O", "#").awaitFirstOrNull() ?: "!") + "K") |
| 139 | } |
| 140 | |
| 141 | checkSingleValue(observable) { |
| 142 | assertEquals("OK", it) |
| 143 | } |
| 144 | } |
| 145 | |
| 146 | @Test |
| 147 | fun testAwaitFirstOrElse() { |
| 148 | val observable = rxObservable(CommonPool) { |
| 149 | send(Observable.empty<String>().awaitFirstOrElse { "O" } + "K") |
| 150 | } |
| 151 | |
| 152 | checkSingleValue(observable) { |
| 153 | assertEquals("OK", it) |
| 154 | } |
| 155 | } |
| 156 | |
| 157 | @Test |
| 158 | fun testAwaitFirstOrElseWithValues() { |
| 159 | val observable = rxObservable(CommonPool) { |
| 160 | send(Observable.just("O", "#").awaitFirstOrElse { "!" } + "K") |
| 161 | } |
| 162 | |
| 163 | checkSingleValue(observable) { |
| 164 | assertEquals("OK", it) |
| 165 | } |
| 166 | } |
| 167 | |
| 168 | @Test |
Roman Elizarov | 331750b | 2017-02-15 17:59:17 +0300 | [diff] [blame] | 169 | fun testAwaitLast() { |
| 170 | val observable = rxObservable(CommonPool) { |
| 171 | send(Observable.just("#", "O").awaitLast() + "K") |
| 172 | } |
| 173 | |
| 174 | checkSingleValue(observable) { |
| 175 | assertEquals("OK", it) |
| 176 | } |
| 177 | } |
| 178 | |
| 179 | @Test |
| 180 | fun testExceptionFromObservable() { |
| 181 | val observable = rxObservable(CommonPool) { |
| 182 | try { |
| 183 | send(Observable.error<String>(RuntimeException("O")).awaitFirst()) |
| 184 | } catch (e: RuntimeException) { |
| 185 | send(Observable.just(e.message!!).awaitLast() + "K") |
| 186 | } |
| 187 | } |
| 188 | |
| 189 | checkSingleValue(observable) { |
| 190 | assertEquals("OK", it) |
| 191 | } |
| 192 | } |
| 193 | |
| 194 | @Test |
| 195 | fun testExceptionFromCoroutine() { |
| 196 | val observable = rxObservable<String>(CommonPool) { |
| 197 | error(Observable.just("O").awaitSingle() + "K") |
| 198 | } |
| 199 | |
| 200 | checkErroneous(observable) { |
| 201 | assert(it is IllegalStateException) |
| 202 | assertEquals("OK", it.message) |
| 203 | } |
| 204 | } |
| 205 | |
| 206 | @Test |
| 207 | fun testObservableIteration() { |
| 208 | val observable = rxObservable(CommonPool) { |
| 209 | var result = "" |
Roman Elizarov | 86349be | 2017-03-17 16:47:37 +0300 | [diff] [blame] | 210 | Observable.just("O", "K").consumeEach {result += it } |
Roman Elizarov | 331750b | 2017-02-15 17:59:17 +0300 | [diff] [blame] | 211 | send(result) |
| 212 | } |
| 213 | |
| 214 | checkSingleValue(observable) { |
| 215 | assertEquals("OK", it) |
| 216 | } |
| 217 | } |
| 218 | |
| 219 | @Test |
| 220 | fun testObservableIterationFailure() { |
| 221 | val observable = rxObservable(CommonPool) { |
| 222 | try { |
Roman Elizarov | 86349be | 2017-03-17 16:47:37 +0300 | [diff] [blame] | 223 | Observable.error<String>(RuntimeException("OK")).consumeEach { fail("Should not be here") } |
Roman Elizarov | 331750b | 2017-02-15 17:59:17 +0300 | [diff] [blame] | 224 | send("Fail") |
| 225 | } catch (e: RuntimeException) { |
| 226 | send(e.message!!) |
| 227 | } |
| 228 | } |
| 229 | |
| 230 | checkSingleValue(observable) { |
| 231 | assertEquals("OK", it) |
| 232 | } |
| 233 | } |
| 234 | } |