I'm trying to run instrumented tests in my Android project using Hilt for dependency injection. However, the test run fails with the following error:
Test run failed to complete. Instrumentation run failed due to Process crashed.
Logcat of last crash:
Process: com.gallery, PID: 18761
java.lang.RuntimeException: Unable to instantiate instrumentation ComponentInfo{com.gallery.test/dagger.hilt.android.testing.HiltTestRunner}: java.lang.ClassNotFoundException: Didn't find class "dagger.hilt.android.testing.HiltTestRunner" on path: DexPathList[[zip file "/system/framework/android.test.runner.jar", zip file "/system/framework/android.test.mock.jar", zip file "/system/framework/android.test.base.jar", zip file "/data/app/~~s6XmhIRqt63NMI1LBnaY0g==/com.gallery.test-sRJpIaMD8sVXFHv-PQiQ_g==/base.apk", zip file "/data/app/~~FPiZzDuzLJteRj_dpAfMkA==/com.gallery-NCZb0zYy3YCBvlNrIFdhWw==/base.apk"],nativeLibraryDirectories=[/system/lib64, /system/system_ext/lib64]]
at android.app.ActivityThread.initInstrumentation(ActivityThread.java:7929)
at android.app.ActivityThread.handleBindApplication(ActivityThread.java:7618)
at android.app.ActivityThread.-$$Nest$mhandleBindApplication(Unknown Source:0)
at android.app.ActivityThread$H.handleMessage(ActivityThread.java:2478)
at android.os.Handler.dispatchMessage(Handler.java:106)
at android.os.Looper.loopOnce(Looper.java:230)
at android.os.Looper.loop(Looper.java:319)
at android.app.ActivityThread.main(ActivityThread.java:8919)
at java.lang.reflect.Method.invoke(Native Method)
at com.android.internal.os.RuntimeInit$MethodAndArgsCaller.run(RuntimeInit.java:578)
at com.android.internal.os.ZygoteInit.main(ZygoteInit.java:1103)
Caused by: java.lang.ClassNotFoundException: Didn't find class "dagger.hilt.android.testing.HiltTestRunner" on path: DexPathList[[zip file "/system/framework/android.test.runner.jar", zip file "/system/framework/android.test.mock.jar", zip file "/system/framework/android.test.base.jar", zip file "/data/app/~~s6XmhIRqt63NMI1LBnaY0g==/com.gallery.test-sRJpIaMD8sVXFHv-PQiQ_g==/base.apk", zip file "/data/app/~~FPiZzDuzLJteRj_dpAfMkA==/com.gallery-NCZb0zYy3YCBvlNrIFdhWw==/base.apk"],nativeLibraryDirectories=[/system/lib64, /system/system_ext/lib64]]
at dalvik.system.BaseDexClassLoader.findClass(BaseDexClassLoader.java:259)
at java.lang.ClassLoader.loadClass(ClassLoader.java:637)
at java.lang.ClassLoader.loadClass(ClassLoader.java:573)
at android.app.ActivityThread.initInstrumentation(ActivityThread.java:7925)
... 10 more
Test Runner in build.gradle.kts:
plugins {
id("com.android.application")
id("org.jetbrains.kotlin.android")
id("kotlin-kapt")
id("com.google.dagger.hilt.android")
id("com.google.devtools.ksp")
id("kotlin-parcelize")
}
android {
namespace = "com.gallery"
compileSdk = 35
defaultConfig {
applicationId = "com.gallery"
minSdk = 23
targetSdk = 35
versionCode = 1
versionName = "1.0"
// testInstrumentationRunner = "androidx.test.runner.AndroidJUnitRunner"
testInstrumentationRunner = "dagger.hilt.android.testing.HiltTestRunner"
}
buildTypes {
release {
isMinifyEnabled = false
proguardFiles(
getDefaultProguardFile("proguard-android-optimize.txt"), "proguard-rules.pro"
)
}
}
compileOptions {
sourceCompatibility = JavaVersion.VERSION_11
targetCompatibility = JavaVersion.VERSION_11
}
kotlinOptions {
jvmTarget = "11"
}
buildFeatures {
viewBinding = true
}
}
dependencies {
implementation(libs.androidx.core.ktx)
implementation(libs.androidx.appcompat)
implementation(libs.material)
implementation(libs.androidx.activity)
implementation(libs.androidx.constraintlayout)
//Architectural Components
implementation(libs.lifecycle.viewmodel.ktx)
//Coroutines
implementation(libs.kotlinx.coroutines.core)
implementation(libs.kotlinx.coroutines.android.v173)
implementation(libs.androidx.lifecycle.runtime.ktx)
// RecyclerView
implementation(libs.androidx.recyclerview)
// SwipeRefreshLayout
implementation(libs.androidx.swiperefreshlayout)
// Image Loading
implementation(libs.glide)
/*//Moshi
implementation(libs.converter.moshi)
implementation(libs.moshi.kotlin)*/
ksp(libs.squareup.moshi.kotlin.codegen)
//Hilt
implementation(libs.hilt.android)
kapt(libs.hilt.compiler)
implementation(libs.androidx.hilt.common)
/*testImplementation(libs.junit)
androidTestImplementation(libs.androidx.espresso.core)
implementation(libs.androidx.recyclerview)
testImplementation(kotlin("test"))
testImplementation(libs.junit)
testImplementation(libs.androidx.core.testing)
androidTestImplementation(libs.androidx.junit)*/
// Coroutine test utilities
/*testImplementation(libs.kotlinx.coroutines.test)
// Mockito for Kotlin
testImplementation(libs.mockito.kotlin)
// Turbine for testing StateFlow
testImplementation(libs.turbine)
androidTestImplementation(libs.androidx.junit.v115)
androidTestImplementation(libs.androidx.runner)
androidTestImplementation(libs.androidx.rules)
androidTestImplementation(libs.androidx.junit)
androidTestImplementation("com.google.dagger:hilt-android-testing:2.56.2")
kaptAndroidTest("com.google.dagger:hilt-android-compiler:2.56.2")*/
testImplementation(libs.kotlinx.coroutines.test)
testImplementation(libs.mockk)
androidTestImplementation(libs.androidx.junit)
testImplementation(libs.junit)
androidTestImplementation(libs.androidx.espresso.core)
testImplementation(libs.androidx.core.testing)
androidTestImplementation("androidx.test.espresso:espresso-contrib:3.6.1") // For RecyclerViewActions
androidTestImplementation("androidx.test.espresso:espresso-intents:3.6.1")
// For instrumentation tests
androidTestImplementation("com.google.dagger:hilt-android-testing:2.56.2")
androidTestAnnotationProcessor("com.google.dagger:hilt-compiler:2.56.2")
kaptAndroidTest("com.google.dagger:hilt-android-compiler:2.56.2")
// For local unit tests
testAnnotationProcessor("com.google.dagger:hilt-compiler:2.56.2")
}
kapt {
correctErrorTypes = true
}
AndroidManifest.xml(androidTest)
<manifest xmlns:android="http://schemas.android.com/apk/res/android">
<application
android:name="dagger.hilt.android.testing.HiltTestApplication"
android:allowBackup="false" />
</manifest>
