Spring use-firestore-in-datastore-mode workaround

build.gradle.kts

    testImplementation("org.testcontainers:testcontainers:1.17.6")
    testImplementation("org.testcontainers:gcloud:1.17.6")
    testImplementation("org.testcontainers:junit-jupiter:1.17.6")

DatastoreIntegrationTest.kt

import org.springframework.boot.test.context.SpringBootTest
import org.springframework.context.annotation.Import
import org.springframework.test.annotation.DirtiesContext
import org.springframework.test.context.ActiveProfiles
import org.springframework.test.context.DynamicPropertyRegistry
import org.springframework.test.context.DynamicPropertySource
import org.testcontainers.containers.DatastoreEmulatorContainer
import org.testcontainers.junit.jupiter.Container
import org.testcontainers.junit.jupiter.Testcontainers
import org.testcontainers.utility.DockerImageName

@SpringBootTest
@Testcontainers
@DirtiesContext
class DatastoreIntegrationTest {


    companion object {
        @Container
        val datastoreEmulator: DatastoreEmulatorContainer = DatastoreEmulatorContainer(
            DockerImageName.parse("gcr.io/google.com/cloudsdktool/cloud-sdk:412.0.0-emulators")
        )
            .withFlags("--no-store-on-disk --use-firestore-in-datastore-mode")
            .withLogConsumer { println(it.utf8String) }

        @JvmStatic
        @DynamicPropertySource
        fun emulatorProperties(registry: DynamicPropertyRegistry) {
            registry.add("spring.cloud.gcp.datastore.host") { "http://" + datastoreEmulator.emulatorEndpoint }
        }
    }


}

Test.kt

internal class FooTest : DatastoreIntegrationTest() {
 
  // call the datastore here, everything will run in the container.
  
}