Hi all I m trying to use Kotest + TestContainers neo4J datab

Question

Hi all I m trying to use Kotest + TestContainers neo4J database and I cannot make it work The error is `Not enough information to infer type variable T` ```io kotest extensions testcontainers TestContainerExtension public constructor TestContainerExtension lt T GenericContainer lt out T gt gt container GenericContainer lt out T gt lifecycleMode LifecycleMode ``` Adding the test code in the thread point down Thanks for any help

Juan B · Answer

Code in the test ```import io kotest core extensions install import io kotest core spec style FunSpec import io kotest extensions testcontainers TestContainerExtension import io kotest matchers shouldBe import org junit jupiter api Test import org springframework boot test autoconfigure data neo4j DataNeo4jTest import org testcontainers containers Neo4jContainer import org testcontainers utility DockerImageName DataNeo4jTest class ExampleGraphRepositoryTest FunSpec Example outside Kotest val neo4jContainer Neo4jContainer lt gt = Neo4jContainer lt Nothing gt neo4j 4 4 5 apply withAdminPassword secret Following Kotest extension example val container = install TestContainerExtension Neo4jContainer DockerImageName parse neo4j 4 4 5 withAdminPassword secret Test fun `is the container running` container start container isRunning shouldBe true ```

sam · Answer

What line has the error

Juan B · Answer

The error is instantiating the container see attached pic from IDE error message ```val container = install TestContainerExtension Neo4jContainer DockerImageName parse neo4j 4 4 5 withAdminPassword secret ``` The stack trace is running the test ```Caused by java lang reflect InvocationTargetException at java base jdk internal reflect NativeConstructorAccessorImpl newInstance0 Native Method at java base jdk internal reflect NativeConstructorAccessorImpl newInstance NativeConstructorAccessorImpl java 77 at java base jdk internal reflect DelegatingConstructorAccessorImpl newInstance DelegatingConstructorAccessorImpl java 45 at java base java lang reflect Constructor newInstanceWithCaller Constructor java 499 at java base java lang reflect Constructor newInstance Constructor java 480 at kotlin reflect jvm internal calls CallerImpl$Constructor call CallerImpl kt 41 at kotlin reflect jvm internal KCallableImpl call KCallableImpl kt 108 at io kotest engine spec InstantiateSpecKt javaReflectNewInstance instantiateSpec kt 51 105 more Caused by java lang IllegalStateException Could not find a valid Docker environment Please see logs and check configuration at org testcontainers dockerclient DockerClientProviderStrategy lambda$getFirstValidStrategy$4 DockerClientProviderStrategy java 157 at java base java util Optional orElseThrow Optional java 403 at org testcontainers dockerclient DockerClientProviderStrategy getFirstValidStrategy DockerClientProviderStrategy java 149 at org testcontainers DockerClientFactory getOrInitializeStrategy DockerClientFactory java 147 at org testcontainers DockerClientFactory client DockerClientFactory java 188 at org testcontainers DockerClientFactory$1 getDockerClient DockerClientFactory java 102 at com github dockerjava api DockerClientDelegate authConfig DockerClientDelegate java 108 at org testcontainers containers GenericContainer start GenericContainer java 325 at io kotest extensions testcontainers TestContainerExtension mount TestContainerExtension kt 33 at io kotest extensions testcontainers TestContainerExtension mount TestContainerExtension kt 17 at io kotest core extensions MountableExtensionKt install MountableExtension kt 36 at dev salsa core profile adapter outbound worker WorkerGraphRepositoryTest$1 invoke WorkerGraphRepositoryTest kt 21 at dev salsa core profile adapter outbound worker WorkerGraphRepositoryTest$1 invoke WorkerGraphRepositoryTest kt 13 at io kotest core spec style FunSpec lt init gt funSpec kt 25 at dev salsa core profile adapter outbound worker WorkerGraphRepositoryTest lt init gt WorkerGraphRepositoryTest kt 13 113 more```

Juan B · Answer

Thanks for any help < sam>

Juan B · Answer

Hi < sam> wondering if you have any clue or recommendation Thank you pray skin tone 2

sam · Answer

`Caused by java lang IllegalStateException Could not find a valid Docker environment`

sam · Answer

sounds like docker engine isn t installed on the machine you re running this on