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104 changes: 104 additions & 0 deletions
104
...s/src/commonTest/kotlin/com/arkivanov/mvikotlin/extensions/coroutines/LabelChannelTest.kt
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,104 @@ | ||
| package com.arkivanov.mvikotlin.extensions.coroutines | ||
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| import com.arkivanov.mvikotlin.core.rx.Disposable | ||
| import com.arkivanov.mvikotlin.core.rx.Observer | ||
| import com.arkivanov.mvikotlin.core.store.Store | ||
| import com.arkivanov.mvikotlin.core.utils.ExperimentalMviKotlinApi | ||
| import kotlinx.coroutines.CoroutineScope | ||
| import kotlinx.coroutines.DelicateCoroutinesApi | ||
| import kotlinx.coroutines.Dispatchers | ||
| import kotlinx.coroutines.cancel | ||
| import kotlinx.coroutines.launch | ||
| import kotlin.test.Test | ||
| import kotlin.test.assertContentEquals | ||
| import kotlin.test.assertNull | ||
| import kotlin.test.assertTrue | ||
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| @OptIn(ExperimentalMviKotlinApi::class) | ||
| @Suppress("TestFunctionName") | ||
| class LabelChannelTest { | ||
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| @Test | ||
| fun WHEN_label_emitted_THEN_label_collected() { | ||
| val store = TestStore() | ||
| val scope = CoroutineScope(Dispatchers.Unconfined) | ||
| val channel = store.labelsChannel(scope) | ||
| val labels = ArrayList<Int>() | ||
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| store.labelObserver?.onNext(1) | ||
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| scope.launch { | ||
| for (label in channel) { | ||
| labels += label | ||
| } | ||
| } | ||
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| store.labelObserver?.onNext(2) | ||
| store.labelObserver?.onNext(3) | ||
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| assertContentEquals(listOf(1, 2, 3), labels) | ||
| } | ||
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| @Test | ||
| fun WHEN_scope_cancelled_THEN_unsubscribed_from_store() { | ||
| val store = TestStore() | ||
| val scope = CoroutineScope(Dispatchers.Unconfined) | ||
| val channel = store.labelsChannel(scope) | ||
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| scope.launch { | ||
| while (true) { | ||
| channel.receive() | ||
| } | ||
| } | ||
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| scope.cancel() | ||
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| assertNull(store.labelObserver) | ||
| } | ||
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| @OptIn(DelicateCoroutinesApi::class) | ||
| @Test | ||
| fun WHEN_scope_cancelled_THEN_channel_cancelled() { | ||
| val store = TestStore() | ||
| val scope = CoroutineScope(Dispatchers.Unconfined) | ||
| val channel = store.labelsChannel(scope) | ||
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| scope.launch { | ||
| while (true) { | ||
| channel.receive() | ||
| } | ||
| } | ||
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| scope.cancel() | ||
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| assertTrue(channel.isClosedForReceive) | ||
| } | ||
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| private class TestStore : Store<Int, Int, Int> { | ||
| override val state: Int = 0 | ||
| override val isDisposed: Boolean = false | ||
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| var labelObserver: Observer<Int>? = null | ||
| private set | ||
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| override fun states(observer: Observer<Int>): Disposable = error("Not required") | ||
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| override fun labels(observer: Observer<Int>): Disposable { | ||
| labelObserver = observer | ||
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| return Disposable { labelObserver = null } | ||
| } | ||
|
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| override fun accept(intent: Int) { | ||
| // no-op | ||
| } | ||
|
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| override fun init() { | ||
| // no-op | ||
| } | ||
|
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| override fun dispose() { | ||
| // no-op | ||
| } | ||
| } | ||
| } |
77 changes: 77 additions & 0 deletions
77
...ines/src/commonTest/kotlin/com/arkivanov/mvikotlin/extensions/coroutines/LabelFlowTest.kt
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,77 @@ | ||
| package com.arkivanov.mvikotlin.extensions.coroutines | ||
|
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| import com.arkivanov.mvikotlin.core.rx.Disposable | ||
| import com.arkivanov.mvikotlin.core.rx.Observer | ||
| import com.arkivanov.mvikotlin.core.store.Store | ||
| import kotlinx.coroutines.CoroutineScope | ||
| import kotlinx.coroutines.Dispatchers | ||
| import kotlinx.coroutines.cancel | ||
| import kotlinx.coroutines.launch | ||
| import kotlin.test.Test | ||
| import kotlin.test.assertContentEquals | ||
| import kotlin.test.assertNull | ||
|
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| @Suppress("TestFunctionName") | ||
| class LabelFlowTest { | ||
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| @Test | ||
| fun WHEN_label_emitted_THEN_label_collected() { | ||
| val store = TestStore() | ||
| val flow = store.labels | ||
| val scope = CoroutineScope(Dispatchers.Unconfined) | ||
| val items = ArrayList<Int>() | ||
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| scope.launch { | ||
| flow.collect { items += it } | ||
| } | ||
|
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| store.labelObserver?.onNext(1) | ||
| store.labelObserver?.onNext(2) | ||
| store.labelObserver?.onNext(3) | ||
|
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| assertContentEquals(listOf(1, 2, 3), items) | ||
| } | ||
|
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| @Test | ||
| fun WHEN_collection_cancelled_THEN_unsubscribed_from_store() { | ||
| val store = TestStore() | ||
| val flow = store.labels | ||
| val scope = CoroutineScope(Dispatchers.Unconfined) | ||
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| scope.launch { | ||
| flow.collect {} | ||
| } | ||
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| scope.cancel() | ||
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| assertNull(store.labelObserver) | ||
| } | ||
|
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| private class TestStore : Store<Int, Int, Int> { | ||
| override val state: Int = 0 | ||
| override val isDisposed: Boolean = false | ||
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| var labelObserver: Observer<Int>? = null | ||
| private set | ||
|
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| override fun states(observer: Observer<Int>): Disposable = error("Not required") | ||
|
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| override fun labels(observer: Observer<Int>): Disposable { | ||
| labelObserver = observer | ||
|
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| return Disposable { labelObserver = null } | ||
| } | ||
|
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| override fun accept(intent: Int) { | ||
| // no-op | ||
| } | ||
|
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| override fun init() { | ||
| // no-op | ||
| } | ||
|
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| override fun dispose() { | ||
| // no-op | ||
| } | ||
| } | ||
| } |