def test_keep_tail_not_touched_file(self):
self.newFile(1)
f = None
try:
ctail._verbose = False
f, error = ctail.open_tail(self.file_path)
self.assertEqual(False, error)
offset = f.tell()
size = os.path.getsize(self.file_path)
self.assertEqual(8, size)
self.assertEqual(0, offset)
# 첫 번째 tail
offset, error = ctail.keep_tail(f)
self.assertEqual(False, error)
self.assertEqual(8, size)
self.assertEqual(8, offset)
# 두 번째 tail
offset, error = ctail.keep_tail(f)
self.assertEqual(False, error)
self.assertEqual(8, size)
self.assertEqual(8, offset)
except Exception as e:
self.assertTrue(False, "error, {}".format(e))
finally:
if f is not None:
f.close()
def test_keep_tail_the_file_with_option_f(self):
self.newFile(1)
time.sleep(0.1)
self.newAnotherFile(1)
f = None
try:
ctail._verbose = False
ctail._follow_file = True
target, exist, inode = ctail.get_tail_filename(
self.file_path, True)
self.assertEqual(True, exist)
self.assertEqual(os.path.abspath(self.file_path), target)
f, error = ctail.open_tail(target)
self.assertEqual(False, error)
offset = f.tell()
size = os.path.getsize(target)
self.assertEqual(8, size)
self.assertEqual(0, offset)
# 첫 번째 tail
offset, error = ctail.keep_tail(f)
self.assertEqual(False, error)
self.assertEqual(8, size)
self.assertEqual(8, offset)
# 두 번째 tail
offset, error = ctail.keep_tail(f)
self.assertEqual(False, error)
self.assertEqual(8, size)
self.assertEqual(8, offset)
time.sleep(0.1)
self.appendFile(2, 2)
time.sleep(0.1)
self.appendAnotherFile(2, 2)
# 세 번째 tail
offset, error = ctail.keep_tail(f)
size = os.path.getsize(target)
self.assertEqual(False, error)
self.assertEqual(16, size)
self.assertEqual(16, offset)
except Exception as e:
self.assertTrue(False, "error, {}".format(e))
finally:
if f is not None:
f.close()
def test_error_in_keeping_tail_the_file_with_option_f(self):
self.newFile(1)
f = None
try:
ctail._verbose = False
ctail._follow_file = True
target, exist, inode = ctail.get_tail_filename(
self.file_path, True)
print("get tail file:{}, {} ".format(
os.path.abspath(self.file_path), target))
self.assertEqual(True, exist)
self.assertEqual(os.path.abspath(self.file_path), target)
f, error = ctail.open_tail(target)
self.assertEqual(False, error)
offset = f.tell()
size = os.path.getsize(target)
self.assertEqual(8, size)
self.assertEqual(0, offset)
# 첫 번째 tail
offset, error = ctail.keep_tail(f)
self.assertEqual(False, error)
self.assertEqual(8, size)
self.assertEqual(8, offset)
# file 이 지워지는 경우
self.removeFile()
# file 이 지워져도 f 가 유효한 건지, error가 나지 않음
offset, error = ctail.keep_tail(f)
self.assertEqual(False, error)
self.assertEqual(8, offset)
offset, error = ctail.keep_tail(f)
self.assertEqual(False, error)
self.assertEqual(8, offset)
except Exception as e:
self.assertTrue(False, "error, {}".format(e))
finally:
if f is not None:
f.close()
def test_the_filesize_eqless_than_2048(self):
self.newFile(256)
f = None
try:
ctail._verbose = False
f, error = ctail.open_tail(self.file_path)
self.assertEqual(False, error)
offset = f.tell()
size = os.path.getsize(self.file_path)
self.assertEqual(2048, size)
self.assertEqual(0, offset)
except Exception as e:
self.assertTrue(False, "error, {}".format(e))
finally:
if f is not None:
f.close()
def test_first_error_in_opening_tail_the_file_with_option_f(self):
self.newFile(1)
f = None
try:
ctail._verbose = False
ctail._follow_file = True
target, exist, inode = ctail.get_tail_filename(
self.file_path, True)
self.assertEqual(True, exist)
self.assertEqual(os.path.abspath(self.file_path), target)
# file 이 지워지는 경우
self.removeFile()
f, error = ctail.open_tail(target)
self.assertEqual(True, error)
except Exception as e:
self.assertTrue(False, "error, {}".format(e))
finally:
if f is not None:
f.close()