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from __future__ import annotations
import os
from queue import Empty, Queue
from time import sleep
import pytest
from watchdog.events import (
DirCreatedEvent,
DirDeletedEvent,
DirModifiedEvent,
DirMovedEvent,
FileCreatedEvent,
FileDeletedEvent,
FileModifiedEvent,
FileMovedEvent,
)
from watchdog.observers.api import ObservedWatch
from watchdog.observers.polling import PollingEmitter as Emitter
from .shell import mkdir, mkdtemp, msize, mv, rm, touch
SLEEP_TIME = 0.4
TEMP_DIR = mkdtemp()
def p(*args):
"""
Convenience function to join the temporary directory path
with the provided arguments.
"""
return os.path.join(TEMP_DIR, *args)
@pytest.fixture
def event_queue():
return Queue()
@pytest.fixture
def emitter(event_queue):
watch = ObservedWatch(TEMP_DIR, recursive=True)
em = Emitter(event_queue, watch, timeout=0.2)
em.start()
yield em
em.stop()
em.join(5)
def test___init__(event_queue, emitter):
sleep(SLEEP_TIME)
mkdir(p("project"))
sleep(SLEEP_TIME)
mkdir(p("project", "blah"))
sleep(SLEEP_TIME)
touch(p("afile"))
sleep(SLEEP_TIME)
touch(p("fromfile"))
sleep(SLEEP_TIME)
mv(p("fromfile"), p("project", "tofile"))
sleep(SLEEP_TIME)
touch(p("afile"))
sleep(SLEEP_TIME)
mv(p("project", "blah"), p("project", "boo"))
sleep(SLEEP_TIME)
rm(p("project"), recursive=True)
sleep(SLEEP_TIME)
rm(p("afile"))
sleep(SLEEP_TIME)
msize(p("bfile"))
sleep(SLEEP_TIME)
rm(p("bfile"))
sleep(SLEEP_TIME)
emitter.stop()
# What we need here for the tests to pass is a collection type
# that is:
# * unordered
# * non-unique
# A multiset! Python's collections.Counter class seems appropriate.
expected = {
DirModifiedEvent(p()),
DirCreatedEvent(p("project")),
DirModifiedEvent(p("project")),
DirCreatedEvent(p("project", "blah")),
FileCreatedEvent(p("afile")),
DirModifiedEvent(p()),
FileCreatedEvent(p("fromfile")),
DirModifiedEvent(p()),
DirModifiedEvent(p()),
FileModifiedEvent(p("afile")),
DirModifiedEvent(p("project")),
DirModifiedEvent(p()),
FileDeletedEvent(p("project", "tofile")),
DirDeletedEvent(p("project", "boo")),
DirDeletedEvent(p("project")),
DirModifiedEvent(p()),
FileDeletedEvent(p("afile")),
DirModifiedEvent(p()),
FileCreatedEvent(p("bfile")),
FileModifiedEvent(p("bfile")),
DirModifiedEvent(p()),
FileDeletedEvent(p("bfile")),
}
expected.add(FileMovedEvent(p("fromfile"), p("project", "tofile")))
expected.add(DirMovedEvent(p("project", "blah"), p("project", "boo")))
got = set()
while True:
try:
event, _ = event_queue.get_nowait()
got.add(event)
except Empty:
break
assert expected == got
def test_delete_watched_dir(event_queue, emitter):
rm(p(""), recursive=True)
sleep(SLEEP_TIME)
emitter.stop()
# What we need here for the tests to pass is a collection type
# that is:
# * unordered
# * non-unique
# A multiset! Python's collections.Counter class seems appropriate.
expected = {
DirDeletedEvent(os.path.dirname(p(""))),
}
got = set()
while True:
try:
event, _ = event_queue.get_nowait()
got.add(event)
except Empty:
break
assert expected == got
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