content: /**
   * Copyright (C) 2015 Fernando Cejas Open Source Project
   *
   * 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.fernandocejas.android10.sample.data.cache;
  
  import com.fernandocejas.android10.sample.data.ApplicationTestCase;
  import java.io.File;
  import org.junit.After;
  import org.junit.Before;
  import org.junit.Test;
  
  import static org.hamcrest.CoreMatchers.equalTo;
  import static org.hamcrest.CoreMatchers.is;
  import static org.hamcrest.MatcherAssert.assertThat;
  
  public class FileManagerTest extends ApplicationTestCase {
  
    private FileManager fileManager;
  
    @Before
    public void setUp() {
      fileManager = new FileManager();
    }
  
    @After
    public void tearDown() {
      if (cacheDir() != null) {
        fileManager.clearDirectory(cacheDir());
      }
    }
  
    @Test
    public void testWriteToFile() {
      File fileToWrite = createDummyFile();
      String fileContent = "content";
  
      fileManager.writeToFile(fileToWrite, fileContent);
  
      assertThat(fileToWrite.exists(), is(true));
    }
  
    @Test
    public void testFileContent() {
      File fileToWrite = createDummyFile();
      String fileContent = "content\n";
  
      fileManager.writeToFile(fileToWrite, fileContent);
      String expectedContent = fileManager.readFileContent(fileToWrite);
  
      assertThat(expectedContent, is(equalTo(fileContent)));
    }
  
    private File createDummyFile() {
      String dummyFilePath = cacheDir().getPath() + File.separator + "dummyFile";
      return new File(dummyFilePath);
    }
  }
  