Expose gRPC endpoint from BigQueryEmulator

modules/gcloud/src/main/java/org/testcontainers/containers/BigQueryEmulatorContainer.java

@@ -33,6 +33,10 @@ public String getEmulatorHttpEndpoint() {
         return String.format("http://%s:%d", getHost(), getMappedPort(HTTP_PORT));
     }
 
+    public Integer getEmulatorGrpcPort() {
+        return getMappedPort(GRPC_PORT);
+    }
+
     public String getProjectId() {
         return PROJECT_ID;
     }

modules/gcloud/src/test/java/org/testcontainers/containers/BigQueryEmulatorContainerTest.java

@@ -1,11 +1,39 @@
 package org.testcontainers.containers;
 
+import com.google.api.core.ApiFuture;
+import com.google.api.gax.core.NoCredentialsProvider;
+import com.google.api.gax.grpc.GrpcTransportChannel;
+import com.google.api.gax.rpc.FixedTransportChannelProvider;
 import com.google.cloud.NoCredentials;
 import com.google.cloud.bigquery.BigQuery;
 import com.google.cloud.bigquery.BigQueryOptions;
+import com.google.cloud.bigquery.DatasetId;
+import com.google.cloud.bigquery.DatasetInfo;
+import com.google.cloud.bigquery.Field;
 import com.google.cloud.bigquery.QueryJobConfiguration;
+import com.google.cloud.bigquery.Schema;
+import com.google.cloud.bigquery.StandardSQLTypeName;
+import com.google.cloud.bigquery.StandardTableDefinition;
+import com.google.cloud.bigquery.TableDefinition;
+import com.google.cloud.bigquery.TableId;
+import com.google.cloud.bigquery.TableInfo;
 import com.google.cloud.bigquery.TableResult;
+import com.google.cloud.bigquery.storage.v1.AppendRowsResponse;
+import com.google.cloud.bigquery.storage.v1.BatchCommitWriteStreamsRequest;
+import com.google.cloud.bigquery.storage.v1.BatchCommitWriteStreamsResponse;
+import com.google.cloud.bigquery.storage.v1.BigQueryWriteClient;
+import com.google.cloud.bigquery.storage.v1.BigQueryWriteSettings;
+import com.google.cloud.bigquery.storage.v1.CreateWriteStreamRequest;
+import com.google.cloud.bigquery.storage.v1.FinalizeWriteStreamRequest;
+import com.google.cloud.bigquery.storage.v1.FinalizeWriteStreamResponse;
+import com.google.cloud.bigquery.storage.v1.JsonStreamWriter;
+import com.google.cloud.bigquery.storage.v1.TableName;
+import com.google.cloud.bigquery.storage.v1.WriteStream;
+import io.grpc.ManagedChannelBuilder;
+import org.json.JSONArray;
+import org.json.JSONObject;
 import org.junit.jupiter.api.Test;
+import org.threeten.bp.Duration;
 
 import java.math.BigDecimal;
 import java.util.List;
@@ -16,7 +44,7 @@
 class BigQueryEmulatorContainerTest {
 
     @Test
-    void test() throws Exception {
+    void testHttpEndpoint() throws Exception {
         try (
             // emulatorContainer {
             BigQueryEmulatorContainer container = new BigQueryEmulatorContainer("ghcr.io/goccy/bigquery-emulator:0.4.3")
@@ -51,4 +79,126 @@ void test() throws Exception {
             assertThat(values).containsOnly(BigDecimal.valueOf(30));
         }
     }
+
+    @Test
+    void testGrcpEndpoint() throws Exception {
+        try (
+            BigQueryEmulatorContainer container = new BigQueryEmulatorContainer("ghcr.io/goccy/bigquery-emulator:0.6.5")
+        ) {
+            container.start();
+
+            BigQuery bigQuery = getBigQuery(container);
+            String tableName = "test-table";
+            String datasetName = "test-dataset";
+
+            bigQuery.create(DatasetInfo.of(DatasetId.of(container.getProjectId(), datasetName)));
+
+            Schema schema = Schema.of(Field.of("name", StandardSQLTypeName.STRING));
+
+            TableId tableId = TableId.of(datasetName, tableName);
+            TableDefinition tableDefinition = StandardTableDefinition.of(schema);
+            TableInfo tableInfo = TableInfo.newBuilder(tableId, tableDefinition).build();
+
+            bigQuery.create(tableInfo);
+
+            BigQueryWriteSettings.Builder bigQueryWriteSettingsBuilder = BigQueryWriteSettings.newBuilder();
+
+            bigQueryWriteSettingsBuilder
+                .createWriteStreamSettings()
+                .setRetrySettings(
+                    bigQueryWriteSettingsBuilder
+                        .createWriteStreamSettings()
+                        .getRetrySettings()
+                        .toBuilder()
+                        .setTotalTimeout(Duration.ofSeconds(60))
+                        .build()
+                );
+
+            BigQueryWriteClient bigQueryWriteClient = BigQueryWriteClient.create(
+                bigQueryWriteSettingsBuilder
+                    .setTransportChannelProvider(
+                        FixedTransportChannelProvider.create(
+                            GrpcTransportChannel.create(
+                                ManagedChannelBuilder
+                                    .forAddress(container.getHost(), container.getEmulatorGrpcPort())
+                                    .usePlaintext()
+                                    .build()
+                            )
+                        )
+                    )
+                    .setCredentialsProvider(NoCredentialsProvider.create())
+                    .build()
+            );
+
+            TableName parentTable = TableName.of(container.getProjectId(), datasetName, tableName);
+            CreateWriteStreamRequest createWriteStreamRequest = CreateWriteStreamRequest
+                .newBuilder()
+                .setParent(parentTable.toString())
+                .setWriteStream(WriteStream.newBuilder().setType(WriteStream.Type.PENDING))
+                .build();
+
+            WriteStream writeStream = bigQueryWriteClient.createWriteStream(createWriteStreamRequest);
+
+            JsonStreamWriter writer = JsonStreamWriter
+                .newBuilder(writeStream.getName(), writeStream.getTableSchema(), bigQueryWriteClient)
+                .build();
+
+            JSONArray jsonArray = new JSONArray();
+            JSONObject record1 = new JSONObject();
+            record1.put("name", "Alice");
+            jsonArray.put(record1);
+
+            JSONObject record2 = new JSONObject();
+            record2.put("name", "Bob");
+            jsonArray.put(record2);
+
+            ApiFuture<AppendRowsResponse> future = writer.append(jsonArray);
+            AppendRowsResponse response = future.get();
+
+            FinalizeWriteStreamRequest finalizeRequest = FinalizeWriteStreamRequest
+                .newBuilder()
+                .setName(writeStream.getName())
+                .build();
+            FinalizeWriteStreamResponse finalizeResponse = bigQueryWriteClient.finalizeWriteStream(finalizeRequest);
+
+            BatchCommitWriteStreamsRequest commitRequest = BatchCommitWriteStreamsRequest
+                .newBuilder()
+                .setParent(parentTable.toString())
+                .addWriteStreams(writeStream.getName())
+                .build();
+            BatchCommitWriteStreamsResponse commitResponse = bigQueryWriteClient.batchCommitWriteStreams(commitRequest);
+
+            writer.close();
+
+            String sql = String.format(
+                "SELECT name FROM `%s.%s.%s` ORDER BY name",
+                container.getProjectId(),
+                datasetName,
+                tableName
+            );
+            TableResult result = bigQuery.query(QueryJobConfiguration.newBuilder(sql).build());
+
+            List<String> names = result
+                .streamValues()
+                .map(row -> row.get("name").getStringValue())
+                .collect(Collectors.toList());
+
+            assertThat(names).containsExactly("Alice", "Bob");
+
+            bigQueryWriteClient.shutdown();
+            bigQueryWriteClient.close();
+        }
+    }
+
+    private BigQuery getBigQuery(BigQueryEmulatorContainer container) {
+        String url = container.getEmulatorHttpEndpoint();
+        return BigQueryOptions
+            .newBuilder()
+            .setProjectId(container.getProjectId())
+            .setHost(url)
+            .setLocation(url)
+            .setCredentials(NoCredentials.getInstance())
+            .build()
+            .getService();
+    }
 }