@Test
public void t04_TestTxtLogger() throws BasicIOException {
final String filename1 = "test01.log";
final String filename2 = "test01.txt";
final LogFile logFile = new LogFile(_testLocation, filename1);
Logger logger = new Logger(logFile);
// The file should be created immediately:
File file = _testLocation.getFile(filename1);
if (file == null) {
fail();
}
// It should be locked:
try {
file.getOutputStream();
fail();
} catch (FileLockedException fle) {
println(fle);
}
// The .txt file should NOT have been created:
if (_testLocation.exists(filename2)) {
fail();
}
// Change output, should delete the file:
logger.setOutput(System.out);
if (_testLocation.exists(filename1)) {
fail();
}
// Again open the same file:
logger.setOutput(logFile);
assertEquals(file.getSize(), 0L);
logger.info("first message");
long size = file.getSize();
assertTrue(size > 0);
// Change to stdout and check the file is still there:
logger.setOutput(System.out);
if (!_testLocation.exists(filename1)) {
fail();
}
// We can now open it:
ExtendedReader in = new ExtendedReader(file.getInputStream());
assertTrue(in.readLine().startsWith("INFO"));
in.close();
// Ensure that if we disable the logger it does not write to the file:
logger.setOutput(logFile);
logger.setEnabled(false);
logger.info("second message");
logger.setOutput(System.out);
assertEquals(file.getSize(), size);
file.delete();
// Print an exception to stdout:
logger.setEnabled(true);
logger.error("Oops!", new Exception());
// Print an exception to TXT:
logger.setOutput(logFile);
logger.error("Oops!", new Exception());
logger.setOutput(System.out);
file.delete();
}
@Test
// Check the next log file name when <date> is specified:
public void testLogFileWithDate() throws BasicIOException {
// 1) When the directory is empty, the log file name has today's date:
String logFileName = "log_t02_<date>.xls";
String realFileName = "log_t02_" + today.format(dateFormat) + ".xls";
LogFile logFile = new LogFile(_testLocation, logFileName, 1);
assertEquals(UT.getNextLogFile(logFile), realFileName);
// 2) getNextLogFile() returns sequencial file names:
for (int i = 1; i < 99; i++) {
UT.getNextLogFile(logFile);
}
realFileName = "log_t02_" + today.format(dateFormat) + "_100.xls";
assertEquals(UT.getNextLogFile(logFile), realFileName);
realFileName = "log_t02_" + today.format(dateFormat) + "_101.xls";
assertEquals(UT.getNextLogFile(logFile), realFileName);
// 3) If a file exists within the range of days, the existing file is used:
today.setLenient(true);
Date past = today.setDay(today.getDay() - 15);
String pastFileName = "log_t02_" + past.format(dateFormat) + ".xls";
File file = _testLocation.createFile(pastFileName);
logFile = new LogFile(_testLocation, logFileName, 15);
assertEquals(UT.getNextLogFile(logFile), pastFileName);
// 4) If a file exists but is already outside the range of days, a new file is created:
file.delete();
past = today.setDay(today.getDay() - 16);
logFile = new LogFile(_testLocation, logFileName, 15);
realFileName = "log_t02_" + today.format(dateFormat) + ".xls";
assertEquals(UT.getNextLogFile(logFile), realFileName);
// 5) If there is an existing log_t01_xx.xls file, getNextLogFile() returns it:
realFileName = "log_t02_" + today.format(dateFormat) + "_49.xls";
_testLocation.createFile(realFileName);
logFile = new LogFile(_testLocation, logFileName, 15);
assertEquals(UT.getNextLogFile(logFile), realFileName);
}