using an existing file to avoid dealing with a sleep to test file ages

This commit is contained in:
Tarek Ziadé 2009-12-10 19:29:53 +00:00
parent 1bd9b5e925
commit 6c4847fbee
1 changed files with 23 additions and 44 deletions

View File

@ -7,36 +7,26 @@ from distutils.dep_util import newer, newer_pairwise, newer_group
from distutils.errors import DistutilsFileError from distutils.errors import DistutilsFileError
from distutils.tests import support from distutils.tests import support
# XXX needs to be tuned for the various platforms
_ST_MIME_TIMER = 1
class DepUtilTestCase(support.TempdirManager, unittest.TestCase): class DepUtilTestCase(support.TempdirManager, unittest.TestCase):
def test_newer(self): def test_newer(self):
tmpdir = self.mkdtemp() tmpdir = self.mkdtemp()
target = os.path.join(tmpdir, 'target') new_file = os.path.join(tmpdir, 'new')
source = os.path.join(tmpdir, 'source') old_file = os.path.abspath(__file__)
# Raise DistutilsFileError if 'source' does not exist. # Raise DistutilsFileError if 'new_file' does not exist.
self.assertRaises(DistutilsFileError, newer, target, source) self.assertRaises(DistutilsFileError, newer, new_file, old_file)
# Return true if 'source' exists and is more recently modified than # Return true if 'new_file' exists and is more recently modified than
# 'target', or if 'source' exists and 'target' doesn't. # 'old_file', or if 'new_file' exists and 'old_file' doesn't.
self.write_file(target) self.write_file(new_file)
self.assertTrue(newer(target, source)) self.assertTrue(newer(new_file, 'I_dont_exist'))
self.write_file(source, 'xox') self.assertTrue(newer(new_file, old_file))
time.sleep(_ST_MIME_TIMER) # ensures ST_MTIME differs
self.write_file(target, 'xhx')
self.assertTrue(newer(target, source))
# Return false if both exist and 'target' is the same age or younger # Return false if both exist and 'old_file' is the same age or younger
# than 'source'. # than 'new_file'.
self.write_file(source, 'xox'); self.write_file(target, 'xhx') self.assertFalse(newer(old_file, new_file))
self.assertFalse(newer(target, source))
self.write_file(target, 'xox')
time.sleep(_ST_MIME_TIMER)
self.write_file(source, 'xhx')
self.assertFalse(newer(target, source))
def test_newer_pairwise(self): def test_newer_pairwise(self):
tmpdir = self.mkdtemp() tmpdir = self.mkdtemp()
@ -46,17 +36,14 @@ class DepUtilTestCase(support.TempdirManager, unittest.TestCase):
os.mkdir(targets) os.mkdir(targets)
one = os.path.join(sources, 'one') one = os.path.join(sources, 'one')
two = os.path.join(sources, 'two') two = os.path.join(sources, 'two')
three = os.path.join(targets, 'three') three = os.path.abspath(__file__) # I am the old file
four = os.path.join(targets, 'four') four = os.path.join(targets, 'four')
self.write_file(one) self.write_file(one)
self.write_file(three)
self.write_file(four)
time.sleep(_ST_MIME_TIMER)
self.write_file(two) self.write_file(two)
self.write_file(four)
self.assertEquals(newer_pairwise([one, two], [three, four]), self.assertEquals(newer_pairwise([one, two], [three, four]),
([two],[four])) ([one],[three]))
def test_newer_group(self): def test_newer_group(self):
tmpdir = self.mkdtemp() tmpdir = self.mkdtemp()
@ -65,32 +52,24 @@ class DepUtilTestCase(support.TempdirManager, unittest.TestCase):
one = os.path.join(sources, 'one') one = os.path.join(sources, 'one')
two = os.path.join(sources, 'two') two = os.path.join(sources, 'two')
three = os.path.join(sources, 'three') three = os.path.join(sources, 'three')
target = os.path.join(tmpdir, 'target') old_file = os.path.abspath(__file__)
# return true if 'target' is out-of-date with respect to any file # return true if 'old_file' is out-of-date with respect to any file
# listed in 'sources'. # listed in 'sources'.
self.write_file(target)
time.sleep(_ST_MIME_TIMER)
self.write_file(one) self.write_file(one)
self.write_file(two) self.write_file(two)
self.write_file(three) self.write_file(three)
self.assertTrue(newer_group([one, two, three], target)) self.assertTrue(newer_group([one, two, three], old_file))
self.assertFalse(newer_group([one, two, old_file], three))
self.write_file(one)
self.write_file(three)
self.write_file(two)
time.sleep(0.1)
self.write_file(target)
self.assertFalse(newer_group([one, two, three], target))
# missing handling # missing handling
os.remove(one) os.remove(one)
self.assertRaises(OSError, newer_group, [one, two, three], target) self.assertRaises(OSError, newer_group, [one, two, old_file], three)
self.assertFalse(newer_group([one, two, three], target, self.assertFalse(newer_group([one, two, old_file], three,
missing='ignore')) missing='ignore'))
self.assertTrue(newer_group([one, two, three], target, self.assertTrue(newer_group([one, two, old_file], three,
missing='newer')) missing='newer'))