/*
 * Copyright 2020 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
 *
 * http://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.example.bigquery;

import static com.google.common.truth.Truth.assertThat;
import static org.junit.Assert.assertNotNull;

import com.google.cloud.bigquery.BigQuery;
import com.google.cloud.bigquery.BigQueryOptions;
import com.google.cloud.bigquery.Schema;
import com.google.cloud.bigquery.StandardTableDefinition;
import com.google.cloud.bigquery.TableId;
import com.google.cloud.bigquery.TableInfo;
import com.google.common.collect.ImmutableMap;
import java.io.ByteArrayOutputStream;
import java.io.PrintStream;
import java.util.Map;
import java.util.UUID;
import org.junit.After;
import org.junit.Before;
import org.junit.BeforeClass;
import org.junit.Test;

public class DeleteLabelTableIT {

  private String tableName;
  private ByteArrayOutputStream bout;
  private PrintStream out;

  private static final String BIGQUERY_DATASET_NAME = requireEnvVar("BIGQUERY_DATASET_NAME");

  private static String requireEnvVar(String varName) {
    String value = System.getenv(varName);
    assertNotNull(
        "Environment variable " + varName + " is required to perform these tests.",
        System.getenv(varName));
    return value;
  }

  @BeforeClass
  public static void checkRequirements() {
    requireEnvVar("BIGQUERY_DATASET_NAME");
  }

  @Before
  public void setUp() {
    // create a temporary table
    tableName = "MY_TABLE_TEST_" + UUID.randomUUID().toString().substring(0, 8);
    Map<String, String> labels = ImmutableMap.of("color", "green");
    BigQuery bigQuery = BigQueryOptions.getDefaultInstance().getService();
    TableId tableId = TableId.of(BIGQUERY_DATASET_NAME, tableName);
    StandardTableDefinition tableDefinition = StandardTableDefinition.of(Schema.of());
    TableInfo tableInfo = TableInfo.newBuilder(tableId, tableDefinition).setLabels(labels).build();
    bigQuery.create(tableInfo);

    bout = new ByteArrayOutputStream();
    out = new PrintStream(bout);
    System.setOut(out);
  }

  @After
  public void tearDown() {
    // delete a temporary table
    DeleteTable.deleteTable(BIGQUERY_DATASET_NAME, tableName);
    System.setOut(null);
  }

  @Test
  public void testDeleteLabelTable() {
    DeleteLabelTable.deleteLabelTable(BIGQUERY_DATASET_NAME, tableName);
    assertThat(bout.toString()).contains("Table label deleted successfully");
  }
}

@@ -755,298 +755,14 @@
 ery.
-BigQuery;%0Aimport com.google.cloud.bigquery.BigQueryOptions;%0Aimport com.google.cloud.bigquery.Schema;%0Aimport com.google.cloud.bigquery.StandardTableDefinition;%0Aimport com.google.cloud.bigquery.TableId;%0Aimport com.google.cloud.bigquery.TableInfo;%0Aimport com.google.common.collect.ImmutableMap
+Schema
 ;%0Aim
@@ -829,30 +829,8 @@
 am;%0A
-import java.util.Map;%0A
 impo
@@ -1570,24 +1570,121 @@
 d setUp() %7B%0A
+    bout = new ByteArrayOutputStream();%0A    out = new PrintStream(bout);%0A    System.setOut(out);%0A
     // creat
@@ -1792,431 +1792,166 @@
     
-Map%3CString, String%3E labels = ImmutableMap.of(%22color%22, %22green%22);%0A    BigQuery bigQuery = BigQueryOptions.getDefaultInstance().getService();%0A    TableId tableId = TableId.of(BIGQUERY_DATASET_NAME, tableName);%0A    StandardTableDefinition tableDefinition = StandardTableDefinition.of(Schema.of());
+CreateTable.createTable(BIGQUERY_DATASET_NAME, tableName, Schema.of());%0A    // add label on a table
 %0A    
-TableInfo tableInfo = TableInfo.newBuilder(tableId, tableDefinition).setLabels(labels).build();%0A    bigQuery.create(
+LabelTable.labelTable(BIGQUERY_DATASET_NAME, 
 table
-Info
+Name
 );%0A%0A

delete a label on a table (#529)