chore: modified test for CreateDatabaseWithDefaultLeaderSample.

samples/snippets/src/main/java/com/example/spanner/v2/CreateDatabaseWithDefaultLeaderSample.java

@@ -3,7 +3,6 @@
 //[START spanner_create_database_with_default_leader]
 
 import com.google.api.gax.longrunning.OperationFuture;
-import com.google.cloud.spanner.SpannerException;
 import com.google.cloud.spanner.SpannerExceptionFactory;
 import com.google.cloud.spanner.admin.database.v1.DatabaseAdminClient;
 import com.google.common.collect.ImmutableList;
@@ -17,23 +16,22 @@ public class CreateDatabaseWithDefaultLeaderSample {
 
   static void createDatabaseWithDefaultLeader() throws IOException {
     // TODO(developer): Replace these variables before running the sample.
-    final String projectId = "my-project";
-    final String instanceId = "my-instance";
-    final String databaseId = "my-database";
+    final String instanceName = "my-instance-name";
+    final String databaseId = "my-database-name";
     final String defaultLeader = "my-default-leader";
-    createDatabaseWithDefaultLeader(projectId, instanceId, databaseId, defaultLeader);
+    createDatabaseWithDefaultLeader(instanceName, databaseId, defaultLeader);
   }
 
-  static void createDatabaseWithDefaultLeader(
-      String projectId, String instanceId, String databaseId, String defaultLeader) throws IOException {
+  static void createDatabaseWithDefaultLeader(String instanceName, String databaseId,
+      String defaultLeader) throws IOException {
     DatabaseAdminClient databaseAdminClient = DatabaseAdminClient.create();
 
     try {
-      OperationFuture<Database, CreateDatabaseMetadata> op2 =
+      OperationFuture<Database, CreateDatabaseMetadata> op1 =
           databaseAdminClient.createDatabaseAsync(
               CreateDatabaseRequest.newBuilder()
-                  .setParent(instanceId)
-                  .setCreateStatement("CREATE DATABASE " + databaseId)
+                  .setParent(instanceName)
+                  .setCreateStatement("CREATE DATABASE " + "`" + databaseId + "`")
                   .addAllExtraStatements(
                       ImmutableList.of("CREATE TABLE Singers ("
                               + "  SingerId   INT64 NOT NULL,"
@@ -50,12 +48,12 @@ static void createDatabaseWithDefaultLeader(
                           "ALTER DATABASE " + "`" + databaseId + "`"
                               + " SET OPTIONS ( default_leader = '" + defaultLeader + "' )"))
                   .build());
-      Database createdDatabase = op2.get();
+      Database createdDatabase = op1.get();
       System.out.println("Created database [" + createdDatabase.getName() + "]");
       System.out.println("\tDefault leader: " + createdDatabase.getDefaultLeader());
     } catch (ExecutionException e) {
       // If the operation failed during execution, expose the cause.
-      throw (SpannerException) e.getCause();
+      throw SpannerExceptionFactory.asSpannerException(e);
     } catch (InterruptedException e) {
       // Throw when a thread is waiting, sleeping, or otherwise occupied,
       // and the thread is interrupted, either before or during the activity.

samples/snippets/src/test/java/com/example/spanner/v2/CreateDatabaseWithDefaultLeaderSampleIT.java

@@ -30,8 +30,7 @@ public void testCreateDatabaseWithDefaultLeader() throws Exception {
     // Runs sample
     final String out = SampleRunner.runSample(() ->
         CreateDatabaseWithDefaultLeaderSample.createDatabaseWithDefaultLeader(
-            projectId,
-            multiRegionalInstanceId,
+            getInstanceName(projectId, multiRegionalInstanceId),
             databaseId,
             defaultLeader
         )

samples/snippets/src/test/java/com/example/spanner/v2/SampleTestBaseV2.java

@@ -34,10 +34,9 @@ public class SampleTestBaseV2 {
 
   @BeforeClass
   public static void beforeClass() throws IOException {
-    final String serverUrl = "staging-wrenchworks.sandbox.googleapis.com:443";
-    final SpannerOptions.Builder optionsBuilder = SpannerOptions
-        .newBuilder()
-        .setAutoThrottleAdministrativeRequests();
+    final String serverUrl = "";
+    final SpannerOptions.Builder optionsBuilder =
+        SpannerOptions.newBuilder().setAutoThrottleAdministrativeRequests();
     final SpannerOptions options = optionsBuilder.build();
     final DatabaseAdminSettings.Builder databaseAdminSettingsBuilder = DatabaseAdminSettings.newBuilder();
     final InstanceAdminSettings.Builder instanceAdminSettingBuilder = InstanceAdminSettings.newBuilder();
@@ -99,15 +98,19 @@ public static void afterClass() {
     }
   }
 
-  private static String getDatabaseName(final String projectId,
+  static String getDatabaseName(final String projectId,
       final String instanceId, final String databaseId) {
     return String.format(
         "projects/%s/instances/%s/databases/%s", projectId, instanceId, databaseId);
   }
 
-  private static String getBackupName(final String projectId,
+  static String getBackupName(final String projectId,
       final String instanceId, final String backupId) {
     return String.format(
         "projects/%s/instances/%s/backups/%s", projectId, instanceId, backupId);
   }
+
+  public String getInstanceName(final String projectId, final String instanceId) {
+    return String.format("projects/%s/instances/%s", projectId, instanceId);
+  }
 }