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test_ManifestTarWalker.py
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test_ManifestTarWalker.py
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import unittest
from manifest import Manifest
from manifest_tar import ManifestTarWalker
from test_utils import t_path, TEST_TARS, Manifest_from_walking_unpacked_tar
class Test_ManifestTarWalker(unittest.TestCase):
def setUp(self):
self.mtw = ManifestTarWalker(Manifest)
def must_equal(self, tar_path, expect):
self.assertEqual(self.mtw.build(t_path(tar_path)), expect)
def test_missing_raises_ValueError(self):
self.assertRaises(Exception, self.mtw.build, t_path("missing.tar"))
def test_not_a_tar(self):
self.assertRaises(Exception, self.mtw.build, t_path("not_tar"))
def test_empty_dir(self):
self.must_equal("empty.tar", {})
def test_single_file(self):
self.must_equal("single_file.tar", {"foo": {}})
def test_two_files(self):
self.must_equal("two_files.tar", {"foo": {}, "bar": {}})
def test_file_and_empty_subdir(self):
self.must_equal("file_and_empty_subdir.tar", {"file": {}, "subdir": {}})
def test_file_and_subdir(self):
self.must_equal("file_and_subdir.tar",
{"file": {}, "subdir": {"foo": {}}})
def test_file_and_subdir_at_subdir(self):
m = self.mtw.build(t_path("file_and_subdir.tar"), "./subdir/")
self.assertEqual(m, {"foo": {}})
def test_files_at_many_levels(self):
self.must_equal("files_at_many_levels.tar", {
"foo": {},
"bar": {},
"baz": {
"foo": {},
"bar": {},
"baz": {"foo": {}, "bar": {}, "baz": {}}
}
})
def test_files_at_many_levels_at_subdir(self):
m = self.mtw.build(t_path("files_at_many_levels.tar"), "./baz/")
self.assertEqual(m, {
"foo": {}, "bar": {}, "baz": { "foo": {}, "bar": {}, "baz": {} } })
def test_from_tar_against_walking_unpacked_tars(self):
for tar in TEST_TARS:
m_walk = Manifest_from_walking_unpacked_tar(tar)
m_tar = self.mtw.build(tar)
self.assertEqual(m_tar, m_walk)
class Test_ManifestTarWalker_w_attrs(unittest.TestCase):
empty_sha1 = "da39a3ee5e6b4b0d3255bfef95601890afd80709"
empty_attrs = { "mode": 0o100644, "size": 0, "sha1": empty_sha1 }
dir_attrs = { "mode": 0o040755 }
def must_equal(self, tar_path, expect, expect_attrs, attrkeys = None):
if attrkeys is None:
attrkeys = ["size", "sha1", "mode"]
m = ManifestTarWalker().build(t_path(tar_path), attrkeys = attrkeys)
self.assertEqual(m, expect)
for path, e_attrs in expect_attrs.items():
self.assertEqual(m.resolve(path).getattrs(), e_attrs)
def test_empty_dir(self):
self.must_equal("empty.tar", {}, {})
def test_single_file_attrs_none(self):
self.must_equal("single_file.tar", {"foo": {}}, {"foo": {}}, [])
def test_single_file_attrs_size(self):
self.must_equal("single_file.tar",
{"foo": {}},
{"foo": { "size": 0 }},
["size"])
def test_single_file_attrs_sha1(self):
self.must_equal("single_file.tar",
{"foo": {}},
{"foo": { "sha1": self.empty_sha1 }},
["sha1"])
def test_single_file_attrs_mode(self):
self.must_equal("single_file.tar",
{"foo": {}},
{"foo": { "mode": 0o100644 }},
["mode"])
def test_single_file(self):
self.must_equal("single_file.tar",
{"foo": {}},
{"foo": self.empty_attrs})
def test_two_files(self):
self.must_equal("two_files.tar",
{"foo": {}, "bar": {}},
{"foo": self.empty_attrs,
"bar": self.empty_attrs})
def test_file_and_empty_subdir(self):
self.must_equal("file_and_empty_subdir.tar",
{"file": {}, "subdir": {}},
{"file": self.empty_attrs,
"subdir": self.dir_attrs})
def test_file_and_subdir(self):
self.must_equal("file_and_subdir.tar",
{"file": {}, "subdir": {"foo": {}}},
{"file": self.empty_attrs,
"subdir": self.dir_attrs,
"subdir/foo": self.empty_attrs})
def test_files_at_many_levels(self):
self.must_equal("files_at_many_levels.tar",
{"foo": {}, "bar": {}, "baz":
{"foo": {}, "bar": {}, "baz":
{"foo": {}, "bar": {}, "baz": {}}}},
{"foo": self.empty_attrs,
"bar": self.empty_attrs,
"baz": self.dir_attrs,
"baz/foo": self.empty_attrs,
"baz/bar": self.empty_attrs,
"baz/baz": self.dir_attrs,
"baz/baz/foo": self.empty_attrs,
"baz/baz/bar": self.empty_attrs,
"baz/baz/baz": self.empty_attrs})
def test_files_with_contents(self):
self.must_equal("files_with_contents.tar", {
"foo": {},
"bar": {"baz": {}},
"symlink_to_bar_baz": {}
}, {
"foo": {
"mode": 0o100644,
"size": 12,
"sha1": "fc6da897c87c7b9c3b67d1d5af32085e561db793" },
"bar": self.dir_attrs,
"bar/baz": {
"mode": 0o100644,
"size": 12,
"sha1": "7508a86c26bcda1d3f298f67de33f7c48a3fe047" },
"symlink_to_bar_baz": {
"mode": 0o120777 },
})
class Test_ManifestTarWalker_w_all_attrs(unittest.TestCase):
def test_files_with_contents(self):
import tarfile
tf = tarfile.open(t_path("files_with_contents.tar"), errorlevel=1)
ti = tf.next()
expect_uid, expect_gid = ti.uid, ti.gid
tf.close()
m = ManifestTarWalker().build(t_path("files_with_contents.tar"))
self.assertEqual(m, {
"foo": {},
"bar": {"baz": {}},
"symlink_to_bar_baz": {}
})
self.assertEqual(m.resolve("foo").getattrs(), {
"size": 12,
"sha1": "fc6da897c87c7b9c3b67d1d5af32085e561db793",
"mode": 0o100644,
"uid": expect_uid,
"gid": expect_gid,
})
self.assertEqual(m.resolve("bar").getattrs(), {
"mode": 0o040755,
"uid": expect_uid,
"gid": expect_gid,
})
self.assertEqual(m.resolve("bar/baz").getattrs(), {
"size": 12,
"sha1": "7508a86c26bcda1d3f298f67de33f7c48a3fe047",
"mode": 0o100644,
"uid": expect_uid,
"gid": expect_gid,
})
self.assertEqual(m.resolve("symlink_to_bar_baz").getattrs(), {
"mode": 0o120777,
"uid": expect_uid,
"gid": expect_gid,
})
if __name__ == '__main__':
unittest.main()