@Test
public void testAppend2Files() throws IOException {
File destination = new File(tempFolder.getRoot(), "merged");
File file1 = dataFolder.getFile("file1.txt");
File file2 = dataFolder.getFile("file2.txt");
LastFileUtils.appendFiles(destination, file1, file2);
LastAssertions.assertFileEquals(dataFolder.getFile("file1-2.txt"), destination);
}
@Test
public void testAppend3Files_List() throws IOException {
File destination = new File(tempFolder.getRoot(), "merged");
List<File> files = new ArrayList<File>();
files.add(dataFolder.getFile("file1.txt"));
files.add(dataFolder.getFile("file2.txt"));
files.add(dataFolder.getFile("file3.txt"));
LastFileUtils.appendFiles(destination, files);
LastAssertions.assertFileEquals(dataFolder.getFile("file1-2-3.txt"), destination);
}
/**
* Tests requesting a tail that is smaller than the file, that line breaks are preserved.
*
* @throws IOException
*/
@Test
public void testTailLineBreaks() throws IOException {
File file = dataFolder.getFile("3805bytes.log");
String tail = LastFileUtils.tail(file, 287);
assertEquals(
"2008-01-14 18:25:54,756 fm.last.citrine.jobs.syscommand.RollingFileSysCommandObserver.sysOut(RollingFileSysCommandObserver.java:72) version.bat\n2008-01-14 18:25:54,757 fm.last.citrine.jobs.syscommand.RollingFileSysCommandObserver.sysOut(RollingFileSysCommandObserver.java:72) version.sh",
tail);
}
@Test
public void testWriteToFile() throws IOException {
File inputFile = dataFolder.getFile("3805bytes.log");
File outputFile = new File(tempFolder.getRoot(), "copy.log");
InputStream inputStream = new FileInputStream(inputFile);
LastFileUtils.writeToFile(inputStream, outputFile);
assertEquals(FileUtils.readFileToString(inputFile), FileUtils.readFileToString(outputFile));
}
@Test(expected = NullPointerException.class)
public void testMoveFileToDirectorySafely_NullDir_CreateDir() throws IOException {
// first copy file from data folder to temp folder so it can be moved safely
File originalFile = dataFolder.getFile("3805bytes.log");
FileUtils.copyFileToDirectory(originalFile, tempFolder.getRoot());
File inputFile = new File(tempFolder.getRoot(), originalFile.getName());
assertTrue(inputFile.getAbsolutePath() + " not found", inputFile.exists());
LastFileUtils.moveFileToDirectorySafely(inputFile, null, true); // null, create dir true
}
@Test(expected = FileNotFoundException.class)
public void testMoveFileToDirectorySafely_NoCreateDir() throws IOException {
// first copy file from data folder to temp folder so it can be moved safely
File originalFile = dataFolder.getFile("3805bytes.log");
FileUtils.copyFileToDirectory(originalFile, tempFolder.getRoot());
File inputFile = new File(tempFolder.getRoot(), originalFile.getName());
assertTrue(inputFile.getAbsolutePath() + " not found", inputFile.exists());
// now do the actual moving
File newDir = new File(tempFolder.getRoot(), "FileUtilsTest");
assertFalse(newDir.exists()); // dir must not exist
// copy file over to newdir, NOT creating dir if it doesn't exist
LastFileUtils.moveFileToDirectorySafely(inputFile, newDir, false);
}
@Test
public void testMoveFileSafely() throws IOException {
// first copy file from data folder to temp folder so it can be moved safely
String filename = "3805bytes.log";
File originalFile = dataFolder.getFile(filename);
FileUtils.copyFileToDirectory(originalFile, tempFolder.getRoot());
File inputFile = new File(tempFolder.getRoot(), filename);
assertTrue(inputFile.getAbsolutePath() + " not found", inputFile.exists());
// now do the actual moving
File movedFile = new File(tempFolder.getRoot(), "copy.log");
LastFileUtils.moveFileSafely(inputFile, movedFile);
assertFalse(inputFile.getAbsolutePath() + " exists", inputFile.exists());
assertTrue(movedFile.getAbsolutePath() + " doesn't exist", movedFile.exists());
assertEquals(FileUtils.readFileToString(originalFile), FileUtils.readFileToString(movedFile));
}
@Test
public void testMoveFileToDirectorySafely() throws IOException {
// first copy file from data folder to temp folder so it can be moved safely
File originalFile = dataFolder.getFile("3805bytes.log");
FileUtils.copyFileToDirectory(originalFile, tempFolder.getRoot());
File inputFile = new File(tempFolder.getRoot(), originalFile.getName());
assertTrue(inputFile.getAbsolutePath() + " not found", inputFile.exists());
// now do the actual moving
File newDir = tempFolder.newFolder("FileUtilsTest");
assertTrue(newDir.exists());
// copy file over to newdir, not creating it if it doesn't exist
LastFileUtils.moveFileToDirectorySafely(inputFile, newDir, false);
assertFalse(inputFile.getAbsolutePath() + " exists", inputFile.exists());
File movedFile = new File(newDir, inputFile.getName());
assertTrue(movedFile.getAbsolutePath() + " doesn't exist", movedFile.exists());
assertEquals(FileUtils.readFileToString(originalFile), FileUtils.readFileToString(movedFile));
}
/**
* Tests requesting a tail that is the same size as the file, should read in entire file.
*
* @throws IOException
*/
@Test
public void testTailSameAsFile() throws IOException {
File file = dataFolder.getFile("3805bytes.log");
String tail = LastFileUtils.tail(file, 3805);
assertEquals(FileUtils.readFileToString(file), tail);
}
