Room cannot find implementation

Question

I have a problem with testing a Room database: when I run the test, I get this exception:

java.lang.RuntimeException: cannot find implementation for databa         


        

Answer 1

java.lang.RuntimeException: cannot find implementation for com.example.kermovie.data.repository.local.MoviesDatabase. MoviesDatabase_Impl does not exist

You have to add teh following code on your build.gradel:

apply plugin: 'kotlin-kapt' 

dependencies {
    implementation 'androidx.room:room-runtime:2.2.5'
    implementation "androidx.room:room-ktx:2.2.5"
    kapt "androidx.room:room-compiler:2.2.5"
}