docs(samples): fix GrantViewAccess sample IT failure (#1816)

Fixes issue: #1806

Author: stephaniewang526

samples/snippets/src/main/java/com/example/bigquery/GrantViewAccess.java

@@ -22,7 +22,6 @@
 import com.google.cloud.bigquery.BigQueryException;
 import com.google.cloud.bigquery.BigQueryOptions;
 import com.google.cloud.bigquery.Dataset;
-import com.google.cloud.bigquery.DatasetId;
 import com.google.cloud.bigquery.Table;
 import java.util.ArrayList;
 import java.util.List;
@@ -44,8 +43,8 @@ public static void grantViewAccess(String srcDatasetId, String viewDatasetId, St
       // once, and can be reused for multiple requests.
       BigQuery bigquery = BigQueryOptions.getDefaultInstance().getService();
 
-      Dataset srcDataset = bigquery.getDataset(DatasetId.of(srcDatasetId));
-      Dataset viewDataset = bigquery.getDataset(DatasetId.of(viewDatasetId));
+      Dataset srcDataset = bigquery.getDataset(srcDatasetId);
+      Dataset viewDataset = bigquery.getDataset(viewDatasetId);
       Table view = viewDataset.get(viewId);
       // First, we'll add a group to the ACL for the dataset containing the view. This will allow
       // users within that group to query the view, but they must have direct access to any tables

samples/snippets/src/test/java/com/example/bigquery/GrantViewAccessIT.java

@@ -36,14 +36,14 @@ public class GrantViewAccessIT {
 
   private final Logger log = Logger.getLogger(this.getClass().getName());
   private String datasetName;
+  private String viewDatasetName;
   private String tableName;
   private String viewName;
   private ByteArrayOutputStream bout;
   private PrintStream out;
   private PrintStream originalPrintStream;
 
   private static final String PROJECT_ID = requireEnvVar("GOOGLE_CLOUD_PROJECT");
-  private static final String BIGQUERY_DATASET_NAME = requireEnvVar("BIGQUERY_DATASET_NAME");
 
   private static String requireEnvVar(String varName) {
     String value = System.getenv(varName);
@@ -56,7 +56,6 @@ private static String requireEnvVar(String varName) {
   @BeforeClass
   public static void checkRequirements() {
     requireEnvVar("GOOGLE_CLOUD_PROJECT");
-    requireEnvVar("BIGQUERY_DATASET_NAME");
   }
 
   @Before
@@ -68,30 +67,32 @@ public void setUp() {
 
     // create a temporary dataset, table and view to be deleted.
     datasetName = "MY_DATASET_NAME_TEST_" + UUID.randomUUID().toString().substring(0, 8);
+    viewDatasetName = "MY_VIEW_DATASET_NAME_TEST_" + UUID.randomUUID().toString().substring(0, 8);
     tableName = "MY_TABLE_NAME_TEST_" + UUID.randomUUID().toString().substring(0, 8);
     viewName = "MY_VIEW_NAME_TEST_" + UUID.randomUUID().toString().substring(0, 8);
 
     CreateDataset.createDataset(datasetName);
+    CreateDataset.createDataset(viewDatasetName);
 
     Schema schema =
         Schema.of(
             Field.of("timestampField", StandardSQLTypeName.TIMESTAMP),
             Field.of("stringField", StandardSQLTypeName.STRING),
             Field.of("booleanField", StandardSQLTypeName.BOOL));
-    CreateTable.createTable(BIGQUERY_DATASET_NAME, tableName, schema);
+    CreateTable.createTable(viewDatasetName, tableName, schema);
 
     String query =
         String.format(
             "SELECT timestampField, stringField, booleanField FROM %s.%s",
-            BIGQUERY_DATASET_NAME, tableName);
-    CreateView.createView(BIGQUERY_DATASET_NAME, viewName, query);
+            viewDatasetName, tableName);
+    CreateView.createView(viewDatasetName, viewName, query);
   }
 
   @After
   public void tearDown() {
     // Clean up
-    DeleteTable.deleteTable(BIGQUERY_DATASET_NAME, viewName);
-    DeleteTable.deleteTable(BIGQUERY_DATASET_NAME, tableName);
+    DeleteTable.deleteTable(viewDatasetName, viewName);
+    DeleteTable.deleteTable(viewDatasetName, tableName);
     DeleteDataset.deleteDataset(PROJECT_ID, datasetName);
     // restores print statements in the original method
     System.out.flush();
@@ -101,7 +102,7 @@ public void tearDown() {
 
   @Test
   public void testGrantViewAccess() {
-    GrantViewAccess.grantViewAccess(datasetName, BIGQUERY_DATASET_NAME, viewName);
+    GrantViewAccess.grantViewAccess(datasetName, viewDatasetName, viewName);
     assertThat(bout.toString()).contains("Grant view access successfully");
   }
 }