mirror of https://github.com/MagicStack/uvloop.git
101 lines
3.1 KiB
Python
101 lines
3.1 KiB
Python
import asyncio
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import os.path
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import tempfile
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from uvloop import _testbase as tb
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from uvloop.loop import FileSystemEvent
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class Test_UV_FS_EVENT_CHANGE(tb.UVTestCase):
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async def _file_writer(self):
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f = await self.q.get()
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while True:
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f.write('hello uvloop\n')
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f.flush()
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x = await self.q.get()
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if x is None:
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return
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def fs_event_setup(self):
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self.change_event_count = 0
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self.fname = ''
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self.q = asyncio.Queue()
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def event_cb(self, ev_fname: bytes, evt: FileSystemEvent):
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_d, fn = os.path.split(self.fname)
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self.assertEqual(ev_fname, fn)
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self.assertEqual(evt, FileSystemEvent.CHANGE)
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self.change_event_count += 1
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if self.change_event_count < 4:
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self.q.put_nowait(0)
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else:
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self.q.put_nowait(None)
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def test_fs_event_change(self):
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self.fs_event_setup()
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async def run(write_task):
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self.q.put_nowait(tf)
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try:
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await asyncio.wait_for(write_task, 4)
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except asyncio.TimeoutError:
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write_task.cancel()
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with tempfile.NamedTemporaryFile('wt') as tf:
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self.fname = tf.name.encode()
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h = self.loop._monitor_fs(tf.name, self.event_cb)
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self.assertFalse(h.cancelled())
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self.loop.run_until_complete(run(
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self.loop.create_task(self._file_writer())))
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h.cancel()
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self.assertTrue(h.cancelled())
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self.assertEqual(self.change_event_count, 4)
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class Test_UV_FS_EVENT_RENAME(tb.UVTestCase):
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async def _file_renamer(self):
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await self.q.get()
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os.rename(os.path.join(self.dname, self.changed_name),
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os.path.join(self.dname, self.changed_name + "-new"))
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await self.q.get()
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def fs_event_setup(self):
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self.dname = ''
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self.changed_name = "hello_fs_event.txt"
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self.changed_set = {self.changed_name, self.changed_name + '-new'}
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self.q = asyncio.Queue()
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def event_cb(self, ev_fname: bytes, evt: FileSystemEvent):
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ev_fname = ev_fname.decode()
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self.assertEqual(evt, FileSystemEvent.RENAME)
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self.changed_set.remove(ev_fname)
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if len(self.changed_set) == 0:
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self.q.put_nowait(None)
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def test_fs_event_rename(self):
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self.fs_event_setup()
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async def run(write_task):
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self.q.put_nowait(0)
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try:
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await asyncio.wait_for(write_task, 4)
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except asyncio.TimeoutError:
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write_task.cancel()
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with tempfile.TemporaryDirectory() as td_name:
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self.dname = td_name
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f = open(os.path.join(td_name, self.changed_name), 'wt')
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f.write('hello!')
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f.close()
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h = self.loop._monitor_fs(td_name, self.event_cb)
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self.assertFalse(h.cancelled())
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self.loop.run_until_complete(run(
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self.loop.create_task(self._file_renamer())))
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h.cancel()
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self.assertTrue(h.cancelled())
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self.assertEqual(len(self.changed_set), 0)
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