1 from __future__ import absolute_import
2 from future.utils import listitems
10 import arvados.collection as collection
11 import arvados.commands.get as arv_get
12 from . import run_test_server
14 from . import arvados_testutil as tutil
16 class ArvadosGetTestCase(run_test_server.TestCaseWithServers,
17 tutil.VersionChecker):
22 super(ArvadosGetTestCase, self).setUp()
23 self.tempdir = tempfile.mkdtemp()
24 self.col_loc, self.col_pdh, self.col_manifest = self.write_test_collection()
27 super(ArvadosGetTestCase, self).tearDown()
28 shutil.rmtree(self.tempdir)
30 def write_test_collection(self,
35 'subdir/baz.txt' : 'baz',
37 c = collection.Collection()
38 for path, data in listitems(contents):
39 with c.open(path, 'wb') as f:
43 return (c.manifest_locator(),
44 c.portable_data_hash(),
45 c.manifest_text(strip=strip_manifest))
47 def run_get(self, args):
48 self.stdout = tutil.BytesIO()
49 self.stderr = tutil.StringIO()
50 return arv_get.main(args, self.stdout, self.stderr)
52 def test_version_argument(self):
53 with tutil.redirected_streams(
54 stdout=tutil.StringIO, stderr=tutil.StringIO) as (out, err):
55 with self.assertRaises(SystemExit):
56 self.run_get(['--version'])
57 self.assertVersionOutput(out, err)
59 def test_get_single_file(self):
60 # Get the file using the collection's locator
61 r = self.run_get(["{}/subdir/baz.txt".format(self.col_loc), '-'])
62 self.assertEqual(0, r)
63 self.assertEqual(b'baz', self.stdout.getvalue())
65 r = self.run_get(["{}/subdir/baz.txt".format(self.col_pdh), '-'])
66 self.assertEqual(0, r)
67 self.assertEqual(b'baz', self.stdout.getvalue())
69 def test_get_multiple_files(self):
70 # Download the entire collection to the temp directory
71 r = self.run_get(["{}/".format(self.col_loc), self.tempdir])
72 self.assertEqual(0, r)
73 with open(os.path.join(self.tempdir, "foo.txt"), "r") as f:
74 self.assertEqual("foo", f.read())
75 with open(os.path.join(self.tempdir, "bar.txt"), "r") as f:
76 self.assertEqual("bar", f.read())
77 with open(os.path.join(self.tempdir, "subdir", "baz.txt"), "r") as f:
78 self.assertEqual("baz", f.read())
80 def test_get_collection_unstripped_manifest(self):
81 dummy_token = "+Axxxxxxx"
82 # Get the collection manifest by UUID
83 r = self.run_get([self.col_loc, self.tempdir])
84 self.assertEqual(0, r)
85 m_from_collection = re.sub(r"\+A[0-9a-f@]+", dummy_token, self.col_manifest)
86 with open(os.path.join(self.tempdir, self.col_loc), "r") as f:
87 # Replace manifest tokens before comparison to avoid races
88 m_from_file = re.sub(r"\+A[0-9a-f@]+", dummy_token, f.read())
89 self.assertEqual(m_from_collection, m_from_file)
90 # Get the collection manifest by PDH
91 r = self.run_get([self.col_pdh, self.tempdir])
92 self.assertEqual(0, r)
93 with open(os.path.join(self.tempdir, self.col_pdh), "r") as f:
94 # Replace manifest tokens before comparison to avoid races
95 m_from_file = re.sub(r"\+A[0-9a-f@]+", dummy_token, f.read())
96 self.assertEqual(m_from_collection, m_from_file)
98 def test_get_collection_stripped_manifest(self):
99 col_loc, col_pdh, col_manifest = self.write_test_collection(strip_manifest=True)
100 # Get the collection manifest by UUID
101 r = self.run_get(['--strip-manifest', col_loc, self.tempdir])
102 self.assertEqual(0, r)
103 with open(os.path.join(self.tempdir, col_loc), "r") as f:
104 self.assertEqual(col_manifest, f.read())
105 # Get the collection manifest by PDH
106 r = self.run_get(['--strip-manifest', col_pdh, self.tempdir])
107 self.assertEqual(0, r)
108 with open(os.path.join(self.tempdir, col_pdh), "r") as f:
109 self.assertEqual(col_manifest, f.read())
111 def test_invalid_collection(self):
112 # Asking for an invalid collection should generate an error.
113 r = self.run_get(['this-uuid-seems-to-be-fake', self.tempdir])
114 self.assertNotEqual(0, r)
116 def test_invalid_file_request(self):
117 # Asking for an inexistant file within a collection should generate an error.
118 r = self.run_get(["{}/im-not-here.txt".format(self.col_loc), self.tempdir])
119 self.assertNotEqual(0, r)
121 def test_invalid_destination(self):
122 # Asking to place the collection's files on a non existant directory
123 # should generate an error.
124 r = self.run_get([self.col_loc, "/fake/subdir/"])
125 self.assertNotEqual(0, r)
127 def test_preexistent_destination(self):
128 # Asking to place a file with the same path as a local one should
129 # generate an error and avoid overwrites.
130 with open(os.path.join(self.tempdir, "foo.txt"), "w") as f:
131 f.write("another foo")
132 r = self.run_get(["{}/foo.txt".format(self.col_loc), self.tempdir])
133 self.assertNotEqual(0, r)
134 with open(os.path.join(self.tempdir, "foo.txt"), "r") as f:
135 self.assertEqual("another foo", f.read())