BigQuery: Fix TableId behaviour for non default BigQueryClient project (#4115)

* Fixes create, update and delete methods

* remove comments

* Fix formatting

Author: Praful Makani

google-cloud-clients/google-cloud-bigquery/src/main/java/com/google/cloud/bigquery/BigQueryImpl.java

@@ -161,7 +161,12 @@ public com.google.api.services.bigquery.model.Dataset call() {
   @Override
   public Table create(TableInfo tableInfo, TableOption... options) {
     final com.google.api.services.bigquery.model.Table tablePb =
-        tableInfo.setProjectId(getOptions().getProjectId()).toPb();
+        tableInfo
+            .setProjectId(
+                Strings.isNullOrEmpty(tableInfo.getTableId().getProject())
+                    ? getOptions().getProjectId()
+                    : tableInfo.getTableId().getProject())
+            .toPb();
     final Map<BigQueryRpc.Option, ?> optionsMap = optionMap(options);
     try {
       return Table.fromPb(this,
@@ -345,7 +350,11 @@ public boolean delete(String datasetId, String tableId) {
 
   @Override
   public boolean delete(TableId tableId) {
-    final TableId completeTableId = tableId.setProjectId(getOptions().getProjectId());
+    final TableId completeTableId = tableId.setProjectId(
+        Strings.isNullOrEmpty(tableId.getProject())
+            ? getOptions().getProjectId()
+            : tableId.getProject()
+    );
     try {
       return runWithRetries(new Callable<Boolean>() {
         @Override
@@ -380,7 +389,12 @@ public com.google.api.services.bigquery.model.Dataset call() {
   @Override
   public Table update(TableInfo tableInfo, TableOption... options) {
     final com.google.api.services.bigquery.model.Table tablePb =
-        tableInfo.setProjectId(getOptions().getProjectId()).toPb();
+        tableInfo
+            .setProjectId(
+                Strings.isNullOrEmpty(tableInfo.getTableId().getProject())
+                    ? getOptions().getProjectId()
+                    : tableInfo.getTableId().getProject())
+            .toPb();
     final Map<BigQueryRpc.Option, ?> optionsMap = optionMap(options);
     try {
       return Table.fromPb(this,

google-cloud-clients/google-cloud-bigquery/src/test/java/com/google/cloud/bigquery/BigQueryImplTest.java

@@ -552,6 +552,20 @@ public void testCreateTable() {
     assertEquals(new Table(bigquery, new TableInfo.BuilderImpl(tableInfo)), table);
   }
 
+  @Test
+  public void testCreateTableWithoutProject() {
+    TableInfo tableInfo = TABLE_INFO.setProjectId(PROJECT);
+    TableId tableId = TableId.of("", TABLE_ID.getDataset(), TABLE_ID.getTable());
+    tableInfo.toBuilder().setTableId(tableId);
+    EasyMock.expect(bigqueryRpcMock.create(tableInfo.toPb(), EMPTY_RPC_OPTIONS))
+        .andReturn(tableInfo.toPb());
+    EasyMock.replay(bigqueryRpcMock);
+    BigQueryOptions bigQueryOptions = createBigQueryOptionsForProject(PROJECT, rpcFactoryMock);
+    bigquery = bigQueryOptions.getService();
+    Table table = bigquery.create(tableInfo);
+    assertEquals(new Table(bigquery, new TableInfo.BuilderImpl(tableInfo)), table);
+  }
+
   @Test
   public void testCreateTableWithSelectedFields() {
     Capture<Map<BigQueryRpc.Option, Object>> capturedOptions = Capture.newInstance();
@@ -728,6 +742,16 @@ public void testDeleteTableFromTableIdWithProject() {
     assertTrue(bigquery.delete(tableId));
   }
 
+  @Test
+  public void testDeleteTableFromTableIdWithoutProject() {
+    TableId tableId = TableId.of("", TABLE_ID.getDataset(), TABLE_ID.getTable());
+    EasyMock.expect(bigqueryRpcMock.deleteTable(PROJECT, DATASET, TABLE)).andReturn(true);
+    EasyMock.replay(bigqueryRpcMock);
+    BigQueryOptions bigQueryOptions = createBigQueryOptionsForProject(PROJECT, rpcFactoryMock);
+    bigquery = bigQueryOptions.getService();
+    assertTrue(bigquery.delete(tableId)); 
+  }
+
   @Test
   public void testUpdateTable() {
     TableInfo updatedTableInfo =
@@ -741,6 +765,20 @@ public void testUpdateTable() {
     assertEquals(new Table(bigquery, new TableInfo.BuilderImpl(updatedTableInfo)), table);
   }
 
+  @Test
+  public void testUpdateTableWithoutProject() {
+    TableInfo tableInfo = TABLE_INFO.setProjectId(PROJECT);
+    TableId tableId = TableId.of("", TABLE_ID.getDataset(), TABLE_ID.getTable());
+    tableInfo.toBuilder().setTableId(tableId);
+    EasyMock.expect(bigqueryRpcMock.patch(tableInfo.toPb(), EMPTY_RPC_OPTIONS))
+        .andReturn(tableInfo.toPb());
+    EasyMock.replay(bigqueryRpcMock);
+    BigQueryOptions bigQueryOptions = createBigQueryOptionsForProject(PROJECT, rpcFactoryMock);
+    bigquery = bigQueryOptions.getService();
+    Table table = bigquery.update(tableInfo);
+    assertEquals(new Table(bigquery, new TableInfo.BuilderImpl(tableInfo)), table);
+  }
+
   @Test
   public void testUpdateTableWithSelectedFields() {
     Capture<Map<BigQueryRpc.Option, Object>> capturedOptions = Capture.newInstance();