1 from __future__ import absolute_import
2 from future.utils import listitems
8 import arvados.collection as collection
9 import arvados.commands.get as arv_get
10 from . import run_test_server
12 from . import arvados_testutil as tutil
14 class ArvadosGetTestCase(run_test_server.TestCaseWithServers,
15 tutil.VersionChecker):
20 super(ArvadosGetTestCase, self).setUp()
21 self.tempdir = tempfile.mkdtemp()
22 self.col_loc, self.col_pdh, self.col_manifest = self.write_test_collection()
25 super(ArvadosGetTestCase, self).tearDown()
26 shutil.rmtree(self.tempdir)
28 def write_test_collection(self,
32 'subdir/baz.txt' : 'baz',
34 c = collection.Collection()
35 for path, data in listitems(contents):
36 with c.open(path, 'wb') as f:
39 return (c.manifest_locator(), c.portable_data_hash(), c.manifest_text())
41 def run_get(self, args):
42 self.stdout = tutil.BytesIO()
43 self.stderr = tutil.StringIO()
44 return arv_get.main(args, self.stdout, self.stderr)
46 def test_version_argument(self):
47 with tutil.redirected_streams(
48 stdout=tutil.StringIO, stderr=tutil.StringIO) as (out, err):
49 with self.assertRaises(SystemExit):
50 self.run_get(['--version'])
51 self.assertVersionOutput(out, err)
53 def test_get_single_file(self):
54 # Get the file using the collection's locator
55 r = self.run_get(["{}/subdir/baz.txt".format(self.col_loc), '-'])
56 self.assertEqual(0, r)
57 self.assertEqual(b'baz', self.stdout.getvalue())
59 r = self.run_get(["{}/subdir/baz.txt".format(self.col_pdh), '-'])
60 self.assertEqual(0, r)
61 self.assertEqual(b'baz', self.stdout.getvalue())
63 def test_get_multiple_files(self):
64 # Download the entire collection to the temp directory
65 r = self.run_get(["{}/".format(self.col_loc), self.tempdir])
66 self.assertEqual(0, r)
67 with open("{}/foo.txt".format(self.tempdir), "r") as f:
68 self.assertEqual("foo", f.read())
69 with open("{}/bar.txt".format(self.tempdir), "r") as f:
70 self.assertEqual("bar", f.read())
71 with open("{}/subdir/baz.txt".format(self.tempdir), "r") as f:
72 self.assertEqual("baz", f.read())
74 def test_get_collection_manifest(self):
75 # Get the collection manifest
76 r = self.run_get([self.col_loc, self.tempdir])
77 self.assertEqual(0, r)
78 with open("{}/{}".format(self.tempdir, self.col_loc), "r") as f:
79 self.assertEqual(self.col_manifest, f.read())
81 def test_invalid_collection(self):
82 # Asking for an invalid collection should generate an error.
83 r = self.run_get(['this-uuid-seems-to-be-fake', self.tempdir])
84 self.assertNotEqual(0, r)
86 def test_invalid_file_request(self):
87 # Asking for an inexistant file within a collection should generate an error.
88 r = self.run_get(["{}/im-not-here.txt".format(self.col_loc), self.tempdir])
89 self.assertNotEqual(0, r)
91 def test_invalid_destination(self):
92 # Asking to place the collection's files on a non existant directory
93 # should generate an error.
94 r = self.run_get([self.col_loc, "/fake/subdir/"])
95 self.assertNotEqual(0, r)
97 def test_preexistent_destination(self):
98 # Asking to place a file with the same path as a local one should
99 # generate an error and avoid overwrites.
100 with open("{}/foo.txt".format(self.tempdir), "w") as f:
101 f.write("another foo")
102 r = self.run_get(["{}/foo.txt".format(self.col_loc), self.tempdir])
103 self.assertNotEqual(0, r)
104 with open("{}/foo.txt".format(self.tempdir), "r") as f:
105 self.assertEqual("another foo", f.read())