package org.baeldung.java.io;
import static org.junit.Assert.assertTrue;
import java.io.File;
import java.io.IOException;
import java.nio.file.FileSystemException;
import java.nio.file.Files;
import java.nio.file.Path;
import java.nio.file.Paths;
import org.apache.commons.io.FileUtils;
import org.junit.Test;
public class JavaFileIntegrationTest {
// create a file
@Test
public final void givenUsingJDK6_whenCreatingFile_thenCorrect() throws IOException {
final File newFile = new File("src/test/resources/newFile_jdk6.txt");
final boolean success = newFile.createNewFile();
assertTrue(success);
}
@Test
public final void givenUsingJDK7nio2_whenCreatingFile_thenCorrect() throws IOException {
final Path newFilePath = Paths.get("src/test/resources/newFile_jdk7.txt");
Files.createFile(newFilePath);
}
@Test
public final void givenUsingCommonsIo_whenCreatingFile_thenCorrect() throws IOException {
FileUtils.touch(new File("src/test/resources/newFile_commonsio.txt"));
}
@Test
public final void givenUsingGuava_whenCreatingFile_thenCorrect() throws IOException {
com.google.common.io.Files.touch(new File("src/test/resources/newFile_guava.txt"));
}
// move a file
@Test
public final void givenUsingJDK6_whenMovingFile_thenCorrect() throws IOException {
final File fileToMove = new File("src/test/resources/toMoveFile_jdk6.txt");
fileToMove.exists();
final File destDir = new File("src/test/resources/");
destDir.mkdir();
final boolean isMoved = fileToMove.renameTo(new File("src/test/resources/movedFile_jdk6.txt"));
if (!isMoved) {
throw new FileSystemException("src/test/resources/movedFile_jdk6.txt");
}
}
@Test
public final void givenUsingJDK7Nio2_whenMovingFile_thenCorrect() throws IOException {
final Path fileToMovePath = Files.createFile(Paths.get("src/test/resources/fileToMove.txt"));
final Path dirPath = Paths.get("src/test/resources/");
final Path targetPath = Files.createDirectory(dirPath);
Files.move(fileToMovePath, targetPath.resolve(fileToMovePath.getFileName()));
}
@Test
public final void givenUsingGuava_whenMovingFile_thenCorrect() throws IOException {
final File fileToMove = new File("src/test/resources/fileToMove.txt");
fileToMove.createNewFile();
final File destDir = new File("src/test/resources/");
final File targetFile = new File(destDir, fileToMove.getName());
com.google.common.io.Files.createParentDirs(targetFile);
com.google.common.io.Files.move(fileToMove, targetFile);
}
@Test
public final void givenUsingApache_whenMovingFile_thenCorrect() throws IOException {
FileUtils.moveFile(FileUtils.getFile("src/test/resources/fileToMove.txt"), FileUtils.getFile("src/test/resources/fileMoved.txt"));
}
@Test
public final void givenUsingApache_whenMovingFileApproach2_thenCorrect() throws IOException {
FileUtils.touch(new File("src/test/resources/fileToMove.txt"));
FileUtils.moveFileToDirectory(FileUtils.getFile("src/test/resources/fileToMove.txt"), FileUtils.getFile("src/main/resources/"), true);
}
// delete a file
@Test
public final void givenUsingJDK6_whenDeletingAFile_thenCorrect() throws IOException {
new File("src/test/resources/fileToDelete_jdk6.txt").createNewFile();
final File fileToDelete = new File("src/test/resources/fileToDelete_jdk6.txt");
final boolean success = fileToDelete.delete();
assertTrue(success);
}
@Test
public final void givenUsingJDK7nio2_whenDeletingAFile_thenCorrect() throws IOException {
// Files.createFile(Paths.get("src/test/resources/fileToDelete_jdk7.txt"));
final Path fileToDeletePath = Paths.get("src/test/resources/fileToDelete_jdk7.txt");
Files.delete(fileToDeletePath);
}
@Test
public final void givenUsingCommonsIo_whenDeletingAFileV1_thenCorrect() throws IOException {
FileUtils.touch(new File("src/test/resources/fileToDelete_commonsIo.txt"));
final File fileToDelete = FileUtils.getFile("src/test/resources/fileToDelete_commonsIo.txt");
final boolean success = FileUtils.deleteQuietly(fileToDelete);
assertTrue(success);
}
@Test
public void givenUsingCommonsIo_whenDeletingAFileV2_thenCorrect() throws IOException {
// FileUtils.touch(new File("src/test/resources/fileToDelete.txt"));
FileUtils.forceDelete(FileUtils.getFile("src/test/resources/fileToDelete.txt"));
}
}