build: run graalvm integration tests on emulator (#1662)

* build: run graalvm integration tests on emulator

* build: always use emulator

* fix: start emulator in detached mode

* fix: typo in Docker run command

* build: use owned instance when testing on emulator

* build: use embedded emulator

* chore: add logging for emulator startup

* build: start emulator in build script

* chore: cleanup

Author: olavloite

.kokoro/build.sh

@@ -42,6 +42,16 @@ if [[ ! -z "${GOOGLE_APPLICATION_CREDENTIALS}" && "${GOOGLE_APPLICATION_CREDENTI
     export GOOGLE_APPLICATION_CREDENTIALS=$(realpath ${KOKORO_GFILE_DIR}/${GOOGLE_APPLICATION_CREDENTIALS})
 fi
 
+# Start the Spanner emulator if the environment variable for it has been set.
+# TODO: Change if statement once the env var can be set in the config.
+#if [[ ! -z "${SPANNER_EMULATOR_HOST}" ]]; then
+if [[ "$JOB_TYPE" == "graalvm" ]] || [[ "$JOB_TYPE" == "graalvm17" ]]; then
+  echo "Starting emulator"
+  export SPANNER_EMULATOR_HOST=localhost:9010
+  docker pull gcr.io/cloud-spanner-emulator/emulator
+  docker run -d --rm --name spanner-emulator -p 9010:9010 -p 9020:9020 gcr.io/cloud-spanner-emulator/emulator
+fi
+
 RETURN_CODE=0
 set +e
 
@@ -145,6 +155,11 @@ clirr)
     ;;
 esac
 
+if [[ ! -z "${SPANNER_EMULATOR_HOST}" ]]; then
+  echo "Stopping emulator"
+  docker container stop spanner-emulator
+fi
+
 if [ "${REPORT_COVERAGE}" == "true" ]
 then
   bash ${KOKORO_GFILE_DIR}/codecov.sh

src/test/java/com/google/cloud/spanner/jdbc/it/ITJdbcPgNumericTest.java

@@ -25,7 +25,6 @@
 import com.google.cloud.spanner.DatabaseAdminClient;
 import com.google.cloud.spanner.DatabaseId;
 import com.google.cloud.spanner.Dialect;
-import com.google.cloud.spanner.IntegrationTestEnv;
 import com.google.cloud.spanner.ParallelIntegrationTest;
 import com.google.cloud.spanner.Value;
 import com.google.cloud.spanner.connection.ConnectionOptions;
@@ -54,7 +53,7 @@
 @RunWith(JUnit4.class)
 public class ITJdbcPgNumericTest {
 
-  @ClassRule public static IntegrationTestEnv env = new IntegrationTestEnv();
+  @ClassRule public static JdbcIntegrationTestEnv env = new JdbcIntegrationTestEnv();
 
   private static final Duration OPERATION_TIMEOUT = Duration.ofMinutes(10);
   private static RemoteSpannerHelper testHelper;

src/test/java/com/google/cloud/spanner/jdbc/it/ITProtoColumnsTest.java

@@ -28,7 +28,6 @@
 import com.google.cloud.spanner.DatabaseAdminClient;
 import com.google.cloud.spanner.DatabaseId;
 import com.google.cloud.spanner.Dialect;
-import com.google.cloud.spanner.IntegrationTestEnv;
 import com.google.cloud.spanner.ParallelIntegrationTest;
 import com.google.cloud.spanner.connection.ConnectionOptions;
 import com.google.cloud.spanner.jdbc.ProtoEnumType;
@@ -57,7 +56,7 @@
 @Category(ParallelIntegrationTest.class)
 @RunWith(JUnit4.class)
 public class ITProtoColumnsTest {
-  @ClassRule public static IntegrationTestEnv env = new IntegrationTestEnv();
+  @ClassRule public static JdbcIntegrationTestEnv env = new JdbcIntegrationTestEnv();
   private static final Duration OPERATION_TIMEOUT = Duration.ofMinutes(10);
   private static Database database;
   private static String url;