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# -*- coding: utf-8 -*-
import os
import shutil
import tempfile
import time
import unittest
from dirq.QueueSimple import QueueSimple, LOCKED_SUFFIX
__all__ = ['TestQueueSimple']
class TestDirQueue(unittest.TestCase):
def setUp(self):
self.tempdir = tempfile.mkdtemp(prefix='dirq-simple')
self.qdir = self.tempdir + '/dirq'
def tearDown(self):
shutil.rmtree(self.tempdir, ignore_errors=True)
class TestQueueSimple(TestDirQueue):
def test01_init(self):
'QueueSimple.__init__()'
path = self.tempdir + '/aaa/bbb/ccc'
granularity = 30
qs = QueueSimple(path, granularity=granularity)
assert qs.path == path
assert qs.granularity == granularity
def test02_add_data(self):
'QueueSimple._add_data()'
data = 'f0o'
qs = QueueSimple(self.qdir)
_subdirName, _fullFnOrig = qs._add_data(data)
subdirs = os.listdir(self.qdir)
assert len(subdirs) == 1
assert _subdirName == subdirs[0]
subdir = self.qdir + '/' + subdirs[0]
files = os.listdir(subdir)
assert len(files) == 1
fn = subdir + '/' + files[0]
assert _fullFnOrig == fn
assert open(fn, 'r').read() == data
def test03_add_path(self):
'QueueSimple._add_path()'
data = 'abc'
qs = QueueSimple(self.qdir)
_dir = 'elems'
elems_dir = self.qdir + '/' + _dir
os.mkdir(elems_dir)
_tmpName = self.tempdir + '/elem.tmp'
open(_tmpName, 'w').write(data)
assert len(os.listdir(self.tempdir)) == 2
newName = qs._add_path(_tmpName, _dir)
assert len(os.listdir(elems_dir)) == 1
assert len(os.listdir(self.tempdir)) == 1
assert open(self.qdir + '/' + newName).read() == data
def test04_add(self):
'QueueSimple.add()'
data = 'foo bar'
qs = QueueSimple(self.qdir)
elem = qs.add(data)
assert open(self.qdir + '/' + elem).read() == data
def test05_add_path(self):
'QueueSimple.add_path()'
qs = QueueSimple(self.qdir)
data = 'foo0oo'
path = self.tempdir + '/foo.bar'
open(path, 'w').write(data)
elem = qs.add_path(path)
assert open(self.qdir + '/' + elem).read() == data
self.assertFalse(os.path.exists(path))
def test06_lock_unlock(self):
'QueueSimple.lock()'
qs = QueueSimple(self.qdir)
data = 'foo'
elem_name = 'foo.bar'
elem_full_path = self.qdir + '/' + elem_name
open(elem_full_path, 'w').write(data)
self.assertEqual(qs.lock(elem_name), 1)
self.assertTrue(os.path.exists(elem_full_path + LOCKED_SUFFIX))
qs.unlock(elem_name)
def test07_get(self):
'QueueSimple.get()'
data = 'foo'.encode()
qs = QueueSimple(self.qdir)
elem = qs.add(data)
qs.lock(elem)
self.assertEqual(qs.get(elem), data)
def test08_count(self):
'QueueSimple.count()'
qs = QueueSimple(self.qdir)
# add "normal" element
qs.add('foo')
# simply add a file (fake element) into the elements directory
fake_elem = os.listdir(self.qdir)[0] + '/' + 'foo.bar'
open(self.qdir + '/' + fake_elem, 'w').write('')
self.assertEqual(qs.count(), 1)
def test09_remove(self):
'QueueSimple.remove()'
qs = QueueSimple(self.qdir, granularity=1)
for _ in range(5):
qs.add('foo')
assert qs.count() == 5
for elem in qs:
qs.lock(elem)
qs.remove(elem)
self.assertEqual(qs.count(), 0)
def test10_purge_oneDirOneElement(self):
'QueueSimple.purge() one directory & element'
qs = QueueSimple(self.qdir)
qs.add('foo')
self.assertEqual(qs.count(), 1)
elem = qs.first()
qs.lock(elem)
elem_path_lock = self.qdir + '/' + elem + LOCKED_SUFFIX
self.assertTrue(os.path.exists(elem_path_lock) is True)
time.sleep(2)
qs.purge(maxlock=1)
self.assertTrue(os.path.exists(elem_path_lock) is False)
self.assertEqual(qs.count(), 1)
self.assertEqual(len(os.listdir(self.qdir)), 1)
def test11_purge_multDirMultElement(self):
'QueueSimple.purge() multiple directories & elements'
qs = QueueSimple(self.qdir, granularity=1)
qs.add('foo')
assert qs.count() == 1
time.sleep(2)
qs.add('bar')
assert qs.count() == 2
assert len(os.listdir(self.qdir)) == 2
qs.purge()
assert qs.count() == 2
elem = qs.first()
qs.lock(elem)
qs.remove(elem)
assert qs.count() == 1
qs.purge()
assert len(os.listdir(self.qdir)) == 1
time.sleep(2)
qs.add('baz')
assert len(os.listdir(self.qdir)) == 2
for elem in qs:
qs.lock(elem)
elem1 = qs.first()
lock_path1 = self.qdir + '/' + elem1 + LOCKED_SUFFIX
assert os.path.exists(lock_path1) is True
os.utime(lock_path1, (time.time() - 25, time.time() - 25))
qs.purge(maxlock=10)
assert os.path.exists(lock_path1) is False
elem2 = qs.next()
lock_path2 = self.qdir + '/' + elem2 + LOCKED_SUFFIX
assert os.path.exists(lock_path2) is True
def main():
testcases = [TestQueueSimple]
for tc in testcases:
unittest.TextTestRunner(verbosity=2).\
run(unittest.TestLoader().loadTestsFromTestCase(tc))
if __name__ == "__main__":
main()
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