ci: Add tests for retry_info trailer

google-cloud-spanner/src/test/java/com/google/cloud/spanner/ITTransactionRetryTest.java

@@ -0,0 +1,71 @@
+/*
+ * Copyright 2025 Google LLC
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      https://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+package com.google.cloud.spanner;
+
+import static com.google.cloud.spanner.testing.EmulatorSpannerHelper.isUsingEmulator;
+import static com.google.common.truth.Truth.assertThat;
+import static org.junit.Assert.assertTrue;
+import static org.junit.Assume.assumeFalse;
+
+import org.junit.Assert;
+import org.junit.ClassRule;
+import org.junit.Test;
+import org.junit.experimental.categories.Category;
+import org.junit.runner.RunWith;
+import org.junit.runners.JUnit4;
+
+@Category(ParallelIntegrationTest.class)
+@RunWith(JUnit4.class)
+public class ITTransactionRetryTest {
+
+  @ClassRule public static IntegrationTestEnv env = new IntegrationTestEnv();
+
+  @Test
+  public void TestRetryInfo() {
+    assumeFalse("emulator does not support parallel transaction", isUsingEmulator());
+
+    // Creating a database with the table which contains INT64 columns
+    Database db =
+        env.getTestHelper()
+            .createTestDatabase("CREATE TABLE Test(ID INT64, " + "EMPID INT64) PRIMARY KEY (ID)");
+    DatabaseClient databaseClient = env.getTestHelper().getClient().getDatabaseClient(db.getId());
+
+    // Inserting one row
+    databaseClient
+        .readWriteTransaction()
+        .run(
+            transaction -> {
+              transaction.buffer(
+                  Mutation.newInsertBuilder("Test").set("ID").to(1).set("EMPID").to(1).build());
+              return null;
+            });
+
+    try (TransactionManager transactionManager1 = databaseClient.transactionManager()) {
+      try (TransactionManager transactionManager2 = databaseClient.transactionManager()) {
+        TransactionContext transaction1 = transactionManager1.begin();
+        TransactionContext transaction2 = transactionManager2.begin();
+        transaction1.executeUpdate(Statement.of("UPDATE Test SET EMPID = EMPID + 1 WHERE ID = 1"));
+        transaction2.executeUpdate(Statement.of("UPDATE Test SET EMPID = EMPID + 1 WHERE ID = 1"));
+        transactionManager1.commit();
+        AbortedException abortedException =
+            Assert.assertThrows(AbortedException.class, transactionManager2::commit);
+        assertThat(abortedException.getErrorCode()).isEqualTo(ErrorCode.ABORTED);
+        assertTrue(abortedException.getRetryDelayInMillis() > 0);
+      }
+    }
+  }
+}