How to use TestDispatcherTest class of com.sksamuel.kotest.engine.coroutines package

Best Kotest code snippet using com.sksamuel.kotest.engine.coroutines.TestDispatcherTest

TestDispatcherTest.kt

Source:TestDispatcherTest.kt Github

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...4import io.kotest.matchers.shouldBe5import kotlinx.coroutines.ExperimentalCoroutinesApi6@ExperimentalCoroutinesApi7@ExperimentalStdlibApi8class TestDispatcherTest : FunSpec() {9 init {10 test("a test with TestDispatcher should advance time virtually").config(testCoroutineDispatcher = true) {11 val currentTime1 = testCoroutineScheduler.currentTime12 currentTime1 shouldBe 0L13 testCoroutineScheduler.advanceTimeBy(1234)14 val currentTime2 = testCoroutineScheduler.currentTime15 currentTime2 shouldBe 123416 }17 }18}...

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TestDispatcherTest

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1import com.sksamuel.kotest.engine.coroutines.TestDispatcherTest2class TestDispatcherTest : TestDispatcherTest() {3import com.sksamuel.kotest.engine.coroutines.TestDispatcherTest4class TestDispatcherTest : TestDispatcherTest() {5import com.sksamuel.kotest.engine.coroutines.TestDispatcherTest6class TestDispatcherTest : TestDispatcherTest() {7import com.sksamuel.kotest.engine.coroutines.TestDispatcherTest8class TestDispatcherTest : TestDispatcherTest() {9import com.sksamuel.kotest.engine.coroutines.TestDispatcherTest10class TestDispatcherTest : TestDispatcherTest() {11import com.sksamuel.kotest.engine.coroutines.TestDispatcherTest12class TestDispatcherTest : TestDispatcherTest() {13import com.sksamuel.kotest.engine.coroutines.TestDispatcherTest14class TestDispatcherTest : TestDispatcherTest() {15import com.sksamuel.kotest.engine.coroutines.TestDispatcherTest16class TestDispatcherTest : TestDispatcherTest() {17import com.sksamuel.kotest.engine.coroutines.TestDispatcherTest18class TestDispatcherTest : TestDispatcherTest() {19import com.sksamuel.kotest.engine.coroutines.TestDispatcherTest20class TestDispatcherTest : TestDispatcherTest() {21import com.sksamuel.kotest.engine.coroutines.TestDispatcherTest22class TestDispatcherTest : TestDispatcherTest() {23import com.sksamuel.kotest.engine.coroutines.TestDispatcherTest

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TestDispatcherTest

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1import com.sksamuel.kotest.engine.coroutines.TestDispatcherTest2import io.kotest.core.spec.style.StringSpec3class DispatcherTest : StringSpec() {4 init {5 "test dispatcher" {6 TestDispatcherTest().testDispatcher()7 }8 }9}10Kotest: A Powerful Testing Framework for Kotlin (2)11Kotest: A Powerful Testing Framework for Kotlin (3)12Kotest: A Powerful Testing Framework for Kotlin (4)13Kotest: A Powerful Testing Framework for Kotlin (5)14Kotest: A Powerful Testing Framework for Kotlin (6)15Kotest: A Powerful Testing Framework for Kotlin (7)16Kotest: A Powerful Testing Framework for Kotlin (8)17Kotest: A Powerful Testing Framework for Kotlin (9)18Kotest: A Powerful Testing Framework for Kotlin (10)19Kotest: A Powerful Testing Framework for Kotlin (11)20Kotest: A Powerful Testing Framework for Kotlin (12)21Kotest: A Powerful Testing Framework for Kotlin (13)22Kotest: A Powerful Testing Framework for Kotlin (14)23Kotest: A Powerful Testing Framework for Kotlin (15)24Kotest: A Powerful Testing Framework for Kotlin (16)25Kotest: A Powerful Testing Framework for Kotlin (17)26Kotest: A Powerful Testing Framework for Kotlin (18)27Kotest: A Powerful Testing Framework for Kotlin (19)28Kotest: A Powerful Testing Framework for Kotlin (20)29Kotest: A Powerful Testing Framework for Kotlin (21)30Kotest: A Powerful Testing Framework for Kotlin (22)31Kotest: A Powerful Testing Framework for Kotlin (23)32Kotest: A Powerful Testing Framework for Kotlin (24)33Kotest: A Powerful Testing Framework for Kotlin (25)34Kotest: A Powerful Testing Framework for Kotlin (26)

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TestDispatcherTest

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1import io.kotest.core.spec.style.FunSpec2import io.kotest.matchers.shouldBe3import kotlinx.coroutines.Dispatchers4import kotlinx.coroutines.runBlocking5class TestDispatcherTest : FunSpec({6 test("testDispatcherTest") {7 runBlocking(Dispatchers.Default) {8 val res = testDispatcherTest()9 }10 }11})12import kotlinx.coroutines.delay13import kotlinx.coroutines.withContext14suspend fun testDispatcherTest(): String {15 return withContext(TestDispatcher) {16 delay(10)17 }18}19import kotlinx.coroutines.CoroutineDispatcher20import kotlinx.coroutines.Dispatchers21object TestDispatcher : CoroutineDispatcher() {22 override fun dispatch(context: CoroutineContext, block: Runnable) {23 block.run()24 }25}

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TestDispatcherTest

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1class TestDispatcherTest : FunSpec({2 test("test dispatcher should run test code on the test dispatcher") {3 TestDispatcher.use { dispatcher ->4 val thread = Thread.currentThread()5 withContext(dispatcher) {6 thread shouldBe Thread.currentThread()7 }8 }9 }10 test("test dispatcher should run test code on the test dispatcher in nested tests") {11 TestDispatcher.use { dispatcher ->12 val thread = Thread.currentThread()13 withContext(dispatcher) {14 thread shouldBe Thread.currentThread()15 }16 withContext(dispatcher) {17 thread shouldBe Thread.currentThread()18 }19 }20 }21 test("test dispatcher should run test code on the test dispatcher in nested tests with multiple dispatchers") {22 TestDispatcher.use { dispatcher ->23 TestDispatcher.use { dispatcher2 ->24 val thread = Thread.currentThread()25 withContext(dispatcher) {26 thread shouldBe Thread.currentThread()27 }28 withContext(dispatcher2) {29 thread shouldBe Thread.currentThread()30 }31 }32 }33 }34 test("test dispatcher should run test code on the test dispatcher in nested tests with multiple dispatchers and multiple threads") {35 TestDispatcher.use { dispatcher ->36 TestDispatcher.use { dispatcher2 ->37 val thread = Thread.currentThread()38 withContext(dispatcher) {39 thread shouldBe Thread.currentThread()40 }41 withContext(dispatcher2) {42 thread shouldBe Thread.currentThread()43 }44 withContext(dispatcher) {45 thread shouldBe Thread.currentThread()46 }47 withContext(dispatcher2) {48 thread shouldBe Thread.currentThread()49 }50 }51 }52 }53 test("test dispatcher should run test code on the test dispatcher in nested tests with multiple dispatchers and multiple threads with delay") {54 TestDispatcher.use { dispatcher ->55 TestDispatcher.use { dispatcher2 ->56 val thread = Thread.currentThread()57 withContext(dispatcher) {58 thread shouldBe Thread.currentThread()59 }60 withContext(dispatcher2) {61 thread shouldBe Thread.currentThread()62 }63 withContext(dispatcher) {64 thread shouldBe Thread.currentThread()65 }66 withContext(dispatcher2) {67 thread shouldBe Thread.currentThread()68 }69 delay(100)70 withContext(dispatcher) {71 thread shouldBe Thread.currentThread()72 }73 withContext(dispatcher2) {74 thread shouldBe Thread.currentThread()75 }76 withContext(dispatcher) {77 thread shouldBe Thread.currentThread()78 }79 withContext(dispatcher2) {

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TestDispatcherTest

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1fun test() = runBlockingTest {2}3suspend fun test() {4 runBlockingTest {5 }6}7suspend fun test() {8 runBlockingTest {9 }10}

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