1 # Copyright (C) The Arvados Authors. All rights reserved.
3 # SPDX-License-Identifier: Apache-2.0
5 from __future__ import absolute_import
6 from future.utils import listitems
16 import arvados.collection as collection
17 import arvados.commands.get as arv_get
18 from . import run_test_server
20 from . import arvados_testutil as tutil
21 from .arvados_testutil import ArvadosBaseTestCase
23 class ArvadosGetTestCase(run_test_server.TestCaseWithServers,
30 super(ArvadosGetTestCase, self).setUp()
31 self.tempdir = tempfile.mkdtemp()
32 self.col_loc, self.col_pdh, self.col_manifest = self.write_test_collection()
34 self.stdout = tutil.BytesIO()
35 self.stderr = tutil.StringIO()
36 self.loggingHandler = logging.StreamHandler(self.stderr)
37 self.loggingHandler.setFormatter(logging.Formatter('%(levelname)s: %(message)s'))
38 logging.getLogger().addHandler(self.loggingHandler)
41 logging.getLogger().removeHandler(self.loggingHandler)
42 super(ArvadosGetTestCase, self).tearDown()
43 shutil.rmtree(self.tempdir)
45 def write_test_collection(self,
50 'subdir/baz.txt' : 'baz',
53 c = collection.Collection(api_client=api)
54 for path, data in listitems(contents):
55 with c.open(path, 'wb') as f:
59 api.close_connections()
61 return (c.manifest_locator(),
62 c.portable_data_hash(),
63 c.manifest_text(strip=strip_manifest))
65 def run_get(self, args):
66 self.stdout.seek(0, 0)
67 self.stdout.truncate(0)
68 self.stderr.seek(0, 0)
69 self.stderr.truncate(0)
70 return arv_get.main(args, self.stdout, self.stderr)
72 def test_version_argument(self):
73 with tutil.redirected_streams(
74 stdout=tutil.StringIO, stderr=tutil.StringIO) as (out, err):
75 with self.assertRaises(SystemExit):
76 self.run_get(['--version'])
77 self.assertVersionOutput(out, err)
79 def test_get_single_file(self):
80 # Get the file using the collection's locator
81 r = self.run_get(["{}/subdir/baz.txt".format(self.col_loc), '-'])
82 self.assertEqual(0, r)
83 self.assertEqual(b'baz', self.stdout.getvalue())
85 r = self.run_get(["{}/subdir/baz.txt".format(self.col_pdh), '-'])
86 self.assertEqual(0, r)
87 self.assertEqual(b'baz', self.stdout.getvalue())
89 def test_get_block(self):
90 # Get raw data using a block locator
91 blk = re.search(r' (acbd18\S+\+A\S+) ', self.col_manifest).group(1)
92 r = self.run_get([blk, '-'])
93 self.assertEqual(0, r)
94 self.assertEqual(b'foo', self.stdout.getvalue())
96 def test_get_multiple_files(self):
97 # Download the entire collection to the temp directory
98 r = self.run_get(["{}/".format(self.col_loc), self.tempdir])
99 self.assertEqual(0, r)
100 with open(os.path.join(self.tempdir, "foo.txt"), "r") as f:
101 self.assertEqual("foo", f.read())
102 with open(os.path.join(self.tempdir, "bar.txt"), "r") as f:
103 self.assertEqual("bar", f.read())
104 with open(os.path.join(self.tempdir, "subdir", "baz.txt"), "r") as f:
105 self.assertEqual("baz", f.read())
107 def test_get_collection_unstripped_manifest(self):
108 dummy_token = "+Axxxxxxx"
109 # Get the collection manifest by UUID
110 r = self.run_get([self.col_loc, self.tempdir])
111 self.assertEqual(0, r)
112 m_from_collection = re.sub(r"\+A[0-9a-f@]+", dummy_token, self.col_manifest)
113 with open(os.path.join(self.tempdir, self.col_loc), "r") as f:
114 # Replace manifest tokens before comparison to avoid races
115 m_from_file = re.sub(r"\+A[0-9a-f@]+", dummy_token, f.read())
116 self.assertEqual(m_from_collection, m_from_file)
117 # Get the collection manifest by PDH
118 r = self.run_get([self.col_pdh, self.tempdir])
119 self.assertEqual(0, r)
120 with open(os.path.join(self.tempdir, self.col_pdh), "r") as f:
121 # Replace manifest tokens before comparison to avoid races
122 m_from_file = re.sub(r"\+A[0-9a-f@]+", dummy_token, f.read())
123 self.assertEqual(m_from_collection, m_from_file)
125 def test_get_collection_stripped_manifest(self):
126 col_loc, col_pdh, col_manifest = self.write_test_collection(
128 # Get the collection manifest by UUID
129 r = self.run_get(['--strip-manifest', col_loc, self.tempdir])
130 self.assertEqual(0, r)
131 with open(os.path.join(self.tempdir, col_loc), "r") as f:
132 self.assertEqual(col_manifest, f.read())
133 # Get the collection manifest by PDH
134 r = self.run_get(['--strip-manifest', col_pdh, self.tempdir])
135 self.assertEqual(0, r)
136 with open(os.path.join(self.tempdir, col_pdh), "r") as f:
137 self.assertEqual(col_manifest, f.read())
139 def test_invalid_collection(self):
140 # Asking for an invalid collection should generate an error.
141 r = self.run_get(['this-uuid-seems-to-be-fake', self.tempdir])
142 self.assertNotEqual(0, r)
144 def test_invalid_file_request(self):
145 # Asking for an inexistant file within a collection should generate an error.
146 r = self.run_get(["{}/im-not-here.txt".format(self.col_loc), self.tempdir])
147 self.assertNotEqual(0, r)
149 def test_invalid_destination(self):
150 # Asking to place the collection's files on a non existant directory
151 # should generate an error.
152 r = self.run_get([self.col_loc, "/fake/subdir/"])
153 self.assertNotEqual(0, r)
155 def test_preexistent_destination(self):
156 # Asking to place a file with the same path as a local one should
157 # generate an error and avoid overwrites.
158 with open(os.path.join(self.tempdir, "foo.txt"), "w") as f:
159 f.write("another foo")
160 r = self.run_get(["{}/foo.txt".format(self.col_loc), self.tempdir])
161 self.assertNotEqual(0, r)
162 with open(os.path.join(self.tempdir, "foo.txt"), "r") as f:
163 self.assertEqual("another foo", f.read())
165 def test_no_progress_when_stderr_not_a_tty(self):
166 # Create a collection with a big file (>64MB) to force the progress
168 c = collection.Collection()
169 with c.open('bigfile.txt', 'wb') as f:
171 f.write("x" * 1024 * 1024)
173 tmpdir = self.make_tmpdir()
174 # Simulate a TTY stderr
175 stderr = mock.MagicMock()
176 stdout = tutil.BytesIO()
178 # Confirm that progress is written to stderr when is a tty
179 stderr.isatty.return_value = True
180 r = arv_get.main(['{}/bigfile.txt'.format(c.manifest_locator()),
181 '{}/bigfile.txt'.format(tmpdir)],
183 self.assertEqual(0, r)
184 self.assertEqual(b'', stdout.getvalue())
185 self.assertTrue(stderr.write.called)
187 # Clean up and reset stderr mock
188 os.remove('{}/bigfile.txt'.format(tmpdir))
189 stderr = mock.MagicMock()
190 stdout = tutil.BytesIO()
192 # Confirm that progress is not written to stderr when isn't a tty
193 stderr.isatty.return_value = False
194 r = arv_get.main(['{}/bigfile.txt'.format(c.manifest_locator()),
195 '{}/bigfile.txt'.format(tmpdir)],
197 self.assertEqual(0, r)
198 self.assertEqual(b'', stdout.getvalue())
199 self.assertFalse(stderr.write.called)
201 request_id_regex = r'INFO: X-Request-Id: req-[a-z0-9]{20}\n'
203 def test_request_id_logging_on(self):
204 r = self.run_get(["-v", "{}/".format(self.col_loc), self.tempdir])
205 self.assertEqual(0, r)
206 self.assertRegex(self.stderr.getvalue(), self.request_id_regex)
208 def test_request_id_logging_off(self):
209 r = self.run_get(["{}/".format(self.col_loc), self.tempdir])
210 self.assertEqual(0, r)
211 self.assertNotRegex(self.stderr.getvalue(), self.request_id_regex)