blob: 1183b2ae2134fc9c8d1ae15d5d8f6cdef7b71fe2 (
plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
|
/*
* Copyright 2016-2019 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.exceptions.*
import kotlinx.coroutines.*
import org.junit.*
import org.junit.Test
import kotlin.test.*
class ObservableExceptionHandlingTest : TestBase() {
@Before
fun setup() {
ignoreLostThreads("RxComputationThreadPool-", "RxCachedWorkerPoolEvictor-", "RxSchedulerPurge-")
}
private inline fun <reified T : Throwable> handler(expect: Int) = { t: Throwable ->
assertTrue(t is UndeliverableException && t.cause is T)
expect(expect)
}
private fun cehUnreached() = CoroutineExceptionHandler { _, _ -> expectUnreached() }
@Test
fun testException() = withExceptionHandler({ expectUnreached() }) {
rxObservable<Int>(Dispatchers.Unconfined + cehUnreached()) {
expect(1)
throw TestException()
}.subscribe({
expectUnreached()
}, {
expect(2) // Reported to onError
})
finish(3)
}
@Test
fun testFatalException() = withExceptionHandler(handler<LinkageError>(3)) {
rxObservable<Int>(Dispatchers.Unconfined) {
expect(1)
throw LinkageError()
}.subscribe({
expectUnreached()
}, {
expect(2)
})
finish(4)
}
@Test
fun testExceptionAsynchronous() = withExceptionHandler({ expectUnreached() }) {
rxObservable<Int>(Dispatchers.Unconfined) {
expect(1)
throw TestException()
}.publish()
.refCount()
.subscribe({
expectUnreached()
}, {
expect(2) // Reported to onError
})
finish(3)
}
@Test
fun testFatalExceptionAsynchronous() = withExceptionHandler(handler<LinkageError>(3)) {
rxObservable<Int>(Dispatchers.Unconfined) {
expect(1)
throw LinkageError()
}.publish()
.refCount()
.subscribe({
expectUnreached()
}, {
expect(2) // Fatal exception is not reported in onError
})
finish(4)
}
@Test
fun testFatalExceptionFromSubscribe() = withExceptionHandler(handler<LinkageError>(4)) {
rxObservable(Dispatchers.Unconfined) {
expect(1)
send(Unit)
}.subscribe({
expect(2)
throw LinkageError()
}, { expect(3) }) // Unreached because fatal errors are rethrown
finish(5)
}
@Test
fun testExceptionFromSubscribe() = withExceptionHandler({ expectUnreached() }) {
rxObservable(Dispatchers.Unconfined) {
expect(1)
send(Unit)
}.subscribe({
expect(2)
throw TestException()
}, { expect(3) }) // not reported to onError because came from the subscribe itself
finish(4)
}
@Test
fun testAsynchronousExceptionFromSubscribe() = withExceptionHandler({ expectUnreached() }) {
rxObservable(Dispatchers.Unconfined) {
expect(1)
send(Unit)
}.publish()
.refCount()
.subscribe({
expect(2)
throw RuntimeException()
}, { expect(3) })
finish(4)
}
@Test
fun testAsynchronousFatalExceptionFromSubscribe() = withExceptionHandler(handler<LinkageError>(4)) {
rxObservable(Dispatchers.Unconfined) {
expect(1)
send(Unit)
}.publish()
.refCount()
.subscribe({
expect(2)
throw LinkageError()
}, { expect(3) })
finish(5)
}
}
|
