def testOneOfEveryNExportVersionsZero(self):
# Zero is a special case since it gets rolled into the first interval.
# Test that here.
paths = [gc.Path("/foo", 0), gc.Path("/foo", 4), gc.Path("/foo", 5)]
one_of = gc.one_of_every_n_export_versions(3)
self.assertEquals(
one_of(paths),
[gc.Path("/foo", 0), gc.Path("/foo", 5)])
def testNegation(self):
paths = [
gc.Path("/foo", 4),
gc.Path("/foo", 5),
gc.Path("/foo", 6),
gc.Path("/foo", 9)
]
mod = gc.negation(gc.mod_export_version(2))
self.assertEquals(mod(paths), [gc.Path("/foo", 5), gc.Path("/foo", 9)])
mod = gc.negation(gc.mod_export_version(3))
self.assertEquals(mod(paths), [gc.Path("/foo", 4), gc.Path("/foo", 5)])
def testModExportVersion(self):
paths = [
gc.Path("/foo", 4),
gc.Path("/foo", 5),
gc.Path("/foo", 6),
gc.Path("/foo", 9)
]
mod = gc.mod_export_version(2)
self.assertEquals(mod(paths), [gc.Path("/foo", 4), gc.Path("/foo", 6)])
mod = gc.mod_export_version(3)
self.assertEquals(mod(paths), [gc.Path("/foo", 6), gc.Path("/foo", 9)])
def testPathsWithParse(self):
base_dir = os.path.join(test.get_temp_dir(), "paths_parse")
self.assertFalse(gfile.Exists(base_dir))
for p in xrange(3):
gfile.MakeDirs(os.path.join(base_dir, "%d" % p))
# add a base_directory to ignore
gfile.MakeDirs(os.path.join(base_dir, "ignore"))
# create a simple parser that pulls the export_version from the directory.
def parser(path):
match = re.match(r"^" + base_dir + r"/(\d+)$", path.path)
if not match:
return None
return path._replace(export_version=int(match.group(1)))
self.assertEquals(gc.get_paths(base_dir, parser=parser), [
gc.Path(os.path.join(base_dir, "0"), 0),
gc.Path(os.path.join(base_dir, "1"), 1),
gc.Path(os.path.join(base_dir, "2"), 2)
])
def testUnion(self):
paths = []
for i in xrange(10):
paths.append(gc.Path("/foo", i))
f = gc.union(gc.largest_export_versions(3), gc.mod_export_version(3))
self.assertEquals(f(paths), [
gc.Path("/foo", 0),
gc.Path("/foo", 3),
gc.Path("/foo", 6),
gc.Path("/foo", 7),
gc.Path("/foo", 8),
gc.Path("/foo", 9)
])
def testOneOfEveryNExportVersions(self):
paths = [
gc.Path("/foo", 0),
gc.Path("/foo", 1),
gc.Path("/foo", 3),
gc.Path("/foo", 5),
gc.Path("/foo", 6),
gc.Path("/foo", 7),
gc.Path("/foo", 8),
gc.Path("/foo", 33)
]
one_of = gc.one_of_every_n_export_versions(3)
self.assertEquals(one_of(paths), [
gc.Path("/foo", 3),
gc.Path("/foo", 6),
gc.Path("/foo", 8),
gc.Path("/foo", 33)
])
def testLargestExportVersionsDoesNotDeleteZeroFolder(self):
paths = [gc.Path("/foo", 0), gc.Path("/foo", 3)]
newest = gc.largest_export_versions(2)
n = newest(paths)
self.assertEquals(n, [gc.Path("/foo", 0), gc.Path("/foo", 3)])
def testLargestExportVersions(self):
paths = [gc.Path("/foo", 8), gc.Path("/foo", 9), gc.Path("/foo", 10)]
newest = gc.largest_export_versions(2)
n = newest(paths)
self.assertEquals(n, [gc.Path("/foo", 9), gc.Path("/foo", 10)])