def setUp(self):
self.td = tempfile.mkdtemp()
self.sut = ModTimeWatcher([self.td], None)
self.sut.crawl_paths()
class TestModTimeWatcher(unittest.TestCase):
def _change_file_time(self, path, seconds=1):
import time
os.utime(path, (time.time(), time.time() + seconds))
def setUp(self):
self.td = tempfile.mkdtemp()
self.sut = ModTimeWatcher([self.td], None)
self.sut.crawl_paths()
def _write_test_file(self, identifier, contents=None):
path = os.path.join(self.td, identifier)
f = open(path, 'w+')
f.write(contents or identifier)
f.close()
return path
def test_basic_file_addition_registers(self):
self.sut.get_changes()
changes = self.sut.get_changes()
self.assertEqual(changes, [])
self._write_test_file('foo')
changes = self.sut.get_changes()
self.assertNotEqual(changes, [])
def test_two_file_additions_register(self):
changes = self.sut.get_changes()
self._write_test_file('foo')
self._write_test_file('bar')
changes = self.sut.get_changes()
self.assertEqual(2, len(changes))
self.assertEqual(changes[0][0], ADDITION)
self.assertEqual(changes[1][0], ADDITION)
def test_file_modification_registers(self):
path = self._write_test_file('foo')
changes = self.sut.get_changes()
# change modtime on file
self._change_file_time(path)
changes = self.sut.get_changes()
self.assertEqual(changes[0][0], MODIFICATION)
def test_file_deletion_registers(self):
path = self._write_test_file('foo')
changes = self.sut.get_changes()
os.remove(path)
changes = self.sut.get_changes()
self.assertEqual(changes[0][0], DELETION)
def test_modification_delta_in_range(self):
path = self._write_test_file('foo')
changes = self.sut.get_changes()
self.assertTrue(changes[0][2] < 1)
# change modtime on file
self._change_file_time(path, 4)
changes = self.sut.get_changes()
self.assertTrue(changes[0][2] > 3)
def test_modification_registers_after_addition(self):
path = self._write_test_file('foo')
changes = self.sut.get_changes()
path2 = self._write_test_file('bar')
# change modtime on file
self._change_file_time(path)
changes = self.sut.get_changes()
self.assertTrue(len(changes) > 1)
