/**
 * Licensed to the Apache Software Foundation (ASF) under one
 * or more contributor license agreements.  See the NOTICE file
 * distributed with this work for additional information
 * regarding copyright ownership.  The ASF licenses this file
 * to you 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 org.apache.hadoop.fs.azure;

import static org.junit.Assume.assumeNotNull;

import org.apache.hadoop.fs.FileSystem;

import org.junit.After;
import org.junit.Before;

import org.slf4j.Logger;
import org.slf4j.LoggerFactory;

/**
 * Abstract test class that provides basic setup and teardown of testing Azure
 * Storage account.  Each subclass defines a different set of test cases to run
 * and overrides {@link #createTestAccount()} to set up the testing account used
 * to run those tests.  The returned account might integrate with Azure Storage
 * directly or it might be a mock implementation.
 */
public abstract class AbstractWasbTestBase {

  protected static final Logger LOG =
      LoggerFactory.getLogger(AbstractWasbTestBase.class);

  protected FileSystem fs;
  private AzureBlobStorageTestAccount testAccount;

  @Before
  public void setUp() throws Exception {
    testAccount = createTestAccount();
    if (testAccount != null) {
      fs = testAccount.getFileSystem();
    }
    assumeNotNull(testAccount);
  }

  @After
  public void tearDown() throws Exception {
    if (testAccount != null) {
      testAccount.cleanup();
      testAccount = null;
      fs = null;
    }
  }

  protected abstract AzureBlobStorageTestAccount createTestAccount()
      throws Exception;
}
