def test_scanner_find_directory_contents_on_dirfound():
found = set()
def get_found_files(sender, signal):
nonlocal found
found.add(signal)
FileFound.connect(get_found_files)
SymlinkFound.connect(get_found_files)
with tempfile.TemporaryDirectory() as path:
filename = os.path.join(path, 'foo.txt')
open(filename, 'w').close() # Touch foo.txt
linkname = os.path.join(path, 'foo.lnk')
os.symlink(filename, linkname)
config = {}
scanner = Scanner(config)
scanner.prepare()
scanner.start()
DirFound(path=path).emit()
ExitRequested().emit()
scanner.join()
assert found == set(
{FileFound(path=filename),
SymlinkFound(path=linkname)})
def test_dont_emit_exitrequested_if_there_are_pending_processing():
signals = list()
def get_exit_requested(sender, signal):
nonlocal signals
signals.append(signal)
ExitRequested.connect(get_exit_requested)
stopper = Stopper(None)
stopper.prepare()
stopper.start()
UserScanRequested(path=None).emit()
DirFound(path=None).emit()
FileFound(path=None).emit()
SpecialFileFound(path=None).emit()
SymlinkFound(path=None).emit()
PathProcessingFinished(path=None).emit()
PathProcessingFinished(path=None).emit()
PathProcessingFinished(path=None).emit()
PathProcessingFinished(path=None).emit()
# We lack one PathProcessingFinished
sleep(1)
assert not signals
ExitRequested().emit()
stopper.join()
def test_emit_exitrequested_if_all_files_were_processed():
signals = set()
def get_exit_requested(sender, signal):
nonlocal signals
signals.add(signal)
ExitRequested.connect(get_exit_requested)
stopper = Stopper(None)
stopper.prepare()
stopper.start()
UserScanRequested(path=None).emit()
DirFound(path=None).emit()
FileFound(path=None).emit()
SpecialFileFound(path=None).emit()
SymlinkFound(path=None).emit()
PathProcessingFinished(path=None).emit()
PathProcessingFinished(path=None).emit()
PathProcessingFinished(path=None).emit()
PathProcessingFinished(path=None).emit()
PathProcessingFinished(path=None).emit()
stopper.join()
assert signals == {ExitRequested()}
def test_scandir_return_a_list_of_signals_if_dir_contains_dotfile():
with tempfile.TemporaryDirectory() as path:
with tempfile.NamedTemporaryFile(prefix='.', dir=path) \
as file, tempfile.TemporaryDirectory(dir=path) as subdir:
assert set(scandir(path)) == {
FileFound(path=file.name),
DirFound(path=subdir)
}
def classify_path(path):
"""
Generate a signal based on the nature of the given path.
"""
if os.path.islink(path):
return SymlinkFound(path=path)
elif os.path.isfile(path):
return FileFound(path=path)
elif os.path.isdir(path):
return DirFound(path=path)
else:
return SpecialFileFound(path=path)
def scandir(path):
"""
Generate a signal for every file and directory found in path.
"""
with os.scandir(path) as dircontent:
for entry in dircontent:
if entry.is_symlink():
yield SymlinkFound(path=entry.path)
elif entry.is_file():
yield FileFound(path=entry.path)
elif entry.is_dir():
yield DirFound(path=entry.path)
else:
yield SpecialFileFound(path=entry.path)
def test_scandir_returns_a_dirfound_if_dir_contains_dir():
with tempfile.TemporaryDirectory() as path1:
with tempfile.TemporaryDirectory(dir=path1) as path2:
assert list(scandir(path1)) == [DirFound(path=path2)]
def test_classify_path_returns_a_dirfound_if_dir():
with tempfile.TemporaryDirectory() as path:
assert classify_path(path) == DirFound(path=path)