Migrate tests

build-logic/src/main/kotlin/elmslie.tests-convention.gradle.kts

@@ -4,5 +4,5 @@ val catalog = extensions.getByType<VersionCatalogsExtension>().named("libs")
 
 dependencies {
     val testImplementation by configurations
-    catalog.findLibrary("junit").ifPresent { testImplementation(it) }
+    catalog.findLibrary("kotlin-test").ifPresent { testImplementation(it) }
 }

elmslie-core/build.gradle.kts

@@ -1,11 +1,9 @@
 plugins {
     id("elmslie.kotlin-lib")
-    `java-test-fixtures`
+    id("elmslie.tests-convention")
 }
 
 dependencies {
     implementation(libs.kotlinx.coroutinesCore)
-    testFixturesImplementation(libs.kotlinx.coroutinesTest)
-    testFixturesImplementation(libs.junit)
     testImplementation(libs.kotlinx.coroutinesTest)
 }

elmslie-core/src/test/java/vivid/money/elmslie/core/store/EffectCachingElmStoreTest.kt

@@ -1,24 +1,40 @@
 package vivid.money.elmslie.core.store
 
+import kotlin.test.AfterTest
+import kotlin.test.BeforeTest
+import kotlin.test.Test
+import kotlin.test.assertEquals
+import kotlinx.coroutines.Dispatchers
 import kotlinx.coroutines.ExperimentalCoroutinesApi
 import kotlinx.coroutines.flow.toList
 import kotlinx.coroutines.launch
+import kotlinx.coroutines.test.StandardTestDispatcher
 import kotlinx.coroutines.test.advanceUntilIdle
+import kotlinx.coroutines.test.resetMain
 import kotlinx.coroutines.test.runCurrent
 import kotlinx.coroutines.test.runTest
-import org.junit.jupiter.api.Assertions.assertEquals
-import org.junit.jupiter.api.Test
-import org.junit.jupiter.api.extension.RegisterExtension
+import kotlinx.coroutines.test.setMain
+import vivid.money.elmslie.core.config.ElmslieConfig
 import vivid.money.elmslie.core.testutil.model.Command
 import vivid.money.elmslie.core.testutil.model.Effect
 import vivid.money.elmslie.core.testutil.model.Event
 import vivid.money.elmslie.core.testutil.model.State
-import vivid.money.elmslie.test.TestDispatcherExtension
 
 @OptIn(ExperimentalCoroutinesApi::class)
 class EffectCachingElmStoreTest {
 
-    @JvmField @RegisterExtension val testDispatcherExtension = TestDispatcherExtension()
+    @BeforeTest
+    fun beforeEach() {
+        val testDispatcher = StandardTestDispatcher()
+        ElmslieConfig.ioDispatchers { testDispatcher }
+        Dispatchers.setMain(testDispatcher)
+    }
+
+
+    @AfterTest
+    fun afterEach() {
+        Dispatchers.resetMain()
+    }
 
     @Test
     fun `Should collect effects which are emitted before collecting flow`() = runTest {

elmslie-core/src/test/java/vivid/money/elmslie/core/store/ElmStoreTest.kt

@@ -1,5 +1,10 @@
 package vivid.money.elmslie.core.store
 
+import kotlin.test.AfterTest
+import kotlin.test.BeforeTest
+import kotlin.test.Test
+import kotlin.test.assertEquals
+import kotlinx.coroutines.Dispatchers
 import kotlinx.coroutines.ExperimentalCoroutinesApi
 import kotlinx.coroutines.delay
 import kotlinx.coroutines.flow.Flow
@@ -8,22 +13,33 @@ import kotlinx.coroutines.flow.flowOf
 import kotlinx.coroutines.flow.onEach
 import kotlinx.coroutines.flow.toList
 import kotlinx.coroutines.launch
+import kotlinx.coroutines.test.StandardTestDispatcher
 import kotlinx.coroutines.test.advanceUntilIdle
+import kotlinx.coroutines.test.resetMain
 import kotlinx.coroutines.test.runCurrent
 import kotlinx.coroutines.test.runTest
-import org.junit.jupiter.api.Assertions.assertEquals
-import org.junit.jupiter.api.Test
-import org.junit.jupiter.api.extension.RegisterExtension
+import kotlinx.coroutines.test.setMain
+import vivid.money.elmslie.core.config.ElmslieConfig
 import vivid.money.elmslie.core.testutil.model.Command
 import vivid.money.elmslie.core.testutil.model.Effect
 import vivid.money.elmslie.core.testutil.model.Event
 import vivid.money.elmslie.core.testutil.model.State
-import vivid.money.elmslie.test.TestDispatcherExtension
 
 @OptIn(ExperimentalCoroutinesApi::class)
 class ElmStoreTest {
 
-    @JvmField @RegisterExtension val testDispatcherExtension = TestDispatcherExtension()
+    @BeforeTest
+    fun beforeEach() {
+        val testDispatcher = StandardTestDispatcher()
+        ElmslieConfig.ioDispatchers { testDispatcher }
+        Dispatchers.setMain(testDispatcher)
+    }
+
+
+    @AfterTest
+    fun afterEach() {
+        Dispatchers.resetMain()
+    }
 
     @Test
     fun `Should stop the store properly`() = runTest {

elmslie-core/src/test/java/vivid/money/elmslie/core/store/dsl/DslReducerTest.kt

@@ -1,8 +1,8 @@
 package vivid.money.elmslie.core.store.dsl
 
-import org.junit.jupiter.api.Assertions.assertEquals
-import org.junit.jupiter.api.Assertions.assertTrue
-import org.junit.jupiter.api.Test
+import kotlin.test.Test
+import kotlin.test.assertEquals
+import kotlin.test.assertTrue
 
 private object BasicDslReducer : DslReducer<TestEvent, TestState, TestEffect, TestCommand>() {
 

elmslie-core/src/test/java/vivid/money/elmslie/core/store/dsl/ScreenDslReducerTest.kt

@@ -1,8 +1,8 @@
 package vivid.money.elmslie.core.store.dsl
 
-import org.junit.jupiter.api.Assertions.assertEquals
-import org.junit.jupiter.api.Assertions.assertTrue
-import org.junit.jupiter.api.Test
+import kotlin.test.Test
+import kotlin.test.assertEquals
+import kotlin.test.assertTrue
 
 object BasicScreenDslReducer :
     ScreenDslReducer<

gradle/libs.versions.toml

@@ -2,7 +2,6 @@
 agp = "8.0.2"
 coroutines = "1.7.1"
 dokka = "1.8.20"
-junit = "5.9.3"
 kotlin = "1.8.21"
 lifecycle = "2.6.1"
 
@@ -19,8 +18,8 @@ detekt-gradlePlugin = "io.gitlab.arturbosch.detekt:detekt-gradle-plugin:1.23.0"
 dokka-gradlePlugin = { module = "org.jetbrains.dokka:dokka-gradle-plugin", version.ref = "dokka" }
 dokka-kotlinAsJavaPlugin = { module = "org.jetbrains.dokka:kotlin-as-java-plugin", version.ref = "dokka" }
 google-material = "com.google.android.material:material:1.9.0"
-junit = { module = "org.junit.jupiter:junit-jupiter", version.ref = "junit" }
 kotlin-gradlePlugin = { module = "org.jetbrains.kotlin:kotlin-gradle-plugin", version.ref = "kotlin" }
+kotlin-test = { module = "org.jetbrains.kotlin:kotlin-test", version.ref = "kotlin" }
 kotlinx-coroutinesCore = { module = "org.jetbrains.kotlinx:kotlinx-coroutines-core", version.ref = "coroutines" }
 kotlinx-coroutinesTest = { module = "org.jetbrains.kotlinx:kotlinx-coroutines-test", version.ref = "coroutines" }
 

samples/kotlin-calculator/build.gradle.kts

@@ -8,6 +8,6 @@ dependencies {
     implementation(projects.elmslieCore)
     implementation(libs.kotlinx.coroutinesCore)
 
+    testImplementation(projects.elmslieCore)
     testImplementation(libs.kotlinx.coroutinesTest)
-    testImplementation(testFixtures(projects.elmslieCore))
 }

samples/kotlin-calculator/src/test/java/vivid/money/elmslie/samples/calculator/StoreTest.kt

@@ -1,19 +1,35 @@
 package vivid.money.elmslie.samples.calculator
 
+import kotlin.test.AfterTest
+import kotlin.test.BeforeTest
+import kotlin.test.Test
+import kotlin.test.assertEquals
+import kotlinx.coroutines.Dispatchers
 import kotlinx.coroutines.ExperimentalCoroutinesApi
 import kotlinx.coroutines.flow.toList
 import kotlinx.coroutines.launch
+import kotlinx.coroutines.test.StandardTestDispatcher
 import kotlinx.coroutines.test.advanceUntilIdle
+import kotlinx.coroutines.test.resetMain
 import kotlinx.coroutines.test.runTest
-import org.junit.jupiter.api.Assertions.assertEquals
-import org.junit.jupiter.api.Test
-import org.junit.jupiter.api.extension.RegisterExtension
-import vivid.money.elmslie.test.TestDispatcherExtension
+import kotlinx.coroutines.test.setMain
+import vivid.money.elmslie.core.config.ElmslieConfig
 
 @OptIn(ExperimentalCoroutinesApi::class)
 internal class StoreTest {
 
-    @JvmField @RegisterExtension val testDispatcherExtension = TestDispatcherExtension()
+    @BeforeTest
+    fun beforeEach() {
+        val testDispatcher = StandardTestDispatcher()
+        ElmslieConfig.ioDispatchers { testDispatcher }
+        Dispatchers.setMain(testDispatcher)
+    }
+
+
+    @AfterTest
+    fun afterEach() {
+        Dispatchers.resetMain()
+    }
 
     @Test
     fun `1 + 1 = 2`() = runTest {