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',
52 c = collection.Collection()
53 for path, data in listitems(contents):
54 with c.open(path, 'wb') as f:
58 return (c.manifest_locator(),
59 c.portable_data_hash(),
60 c.manifest_text(strip=strip_manifest))
62 def run_get(self, args):
63 self.stdout.seek(0, 0)
64 self.stdout.truncate(0)
65 self.stderr.seek(0, 0)
66 self.stderr.truncate(0)
67 return arv_get.main(args, self.stdout, self.stderr)
69 def test_version_argument(self):
70 with tutil.redirected_streams(
71 stdout=tutil.StringIO, stderr=tutil.StringIO) as (out, err):
72 with self.assertRaises(SystemExit):
73 self.run_get(['--version'])
74 self.assertVersionOutput(out, err)
76 def test_get_single_file(self):
77 # Get the file using the collection's locator
78 r = self.run_get(["{}/subdir/baz.txt".format(self.col_loc), '-'])
79 self.assertEqual(0, r)
80 self.assertEqual(b'baz', self.stdout.getvalue())
82 r = self.run_get(["{}/subdir/baz.txt".format(self.col_pdh), '-'])
83 self.assertEqual(0, r)
84 self.assertEqual(b'baz', self.stdout.getvalue())
86 def test_get_block(self):
87 # Get raw data using a block locator
88 blk = re.search(' (acbd18\S+\+A\S+) ', self.col_manifest).group(1)
89 r = self.run_get([blk, '-'])
90 self.assertEqual(0, r)
91 self.assertEqual(b'foo', self.stdout.getvalue())
93 def test_get_multiple_files(self):
94 # Download the entire collection to the temp directory
95 r = self.run_get(["{}/".format(self.col_loc), self.tempdir])
96 self.assertEqual(0, r)
97 with open(os.path.join(self.tempdir, "foo.txt"), "r") as f:
98 self.assertEqual("foo", f.read())
99 with open(os.path.join(self.tempdir, "bar.txt"), "r") as f:
100 self.assertEqual("bar", f.read())
101 with open(os.path.join(self.tempdir, "subdir", "baz.txt"), "r") as f:
102 self.assertEqual("baz", f.read())
104 def test_get_collection_unstripped_manifest(self):
105 dummy_token = "+Axxxxxxx"
106 # Get the collection manifest by UUID
107 r = self.run_get([self.col_loc, self.tempdir])
108 self.assertEqual(0, r)
109 m_from_collection = re.sub(r"\+A[0-9a-f@]+", dummy_token, self.col_manifest)
110 with open(os.path.join(self.tempdir, self.col_loc), "r") as f:
111 # Replace manifest tokens before comparison to avoid races
112 m_from_file = re.sub(r"\+A[0-9a-f@]+", dummy_token, f.read())
113 self.assertEqual(m_from_collection, m_from_file)
114 # Get the collection manifest by PDH
115 r = self.run_get([self.col_pdh, self.tempdir])
116 self.assertEqual(0, r)
117 with open(os.path.join(self.tempdir, self.col_pdh), "r") as f:
118 # Replace manifest tokens before comparison to avoid races
119 m_from_file = re.sub(r"\+A[0-9a-f@]+", dummy_token, f.read())
120 self.assertEqual(m_from_collection, m_from_file)
122 def test_get_collection_stripped_manifest(self):
123 col_loc, col_pdh, col_manifest = self.write_test_collection(
125 # Get the collection manifest by UUID
126 r = self.run_get(['--strip-manifest', col_loc, self.tempdir])
127 self.assertEqual(0, r)
128 with open(os.path.join(self.tempdir, col_loc), "r") as f:
129 self.assertEqual(col_manifest, f.read())
130 # Get the collection manifest by PDH
131 r = self.run_get(['--strip-manifest', col_pdh, self.tempdir])
132 self.assertEqual(0, r)
133 with open(os.path.join(self.tempdir, col_pdh), "r") as f:
134 self.assertEqual(col_manifest, f.read())
136 def test_invalid_collection(self):
137 # Asking for an invalid collection should generate an error.
138 r = self.run_get(['this-uuid-seems-to-be-fake', self.tempdir])
139 self.assertNotEqual(0, r)
141 def test_invalid_file_request(self):
142 # Asking for an inexistant file within a collection should generate an error.
143 r = self.run_get(["{}/im-not-here.txt".format(self.col_loc), self.tempdir])
144 self.assertNotEqual(0, r)
146 def test_invalid_destination(self):
147 # Asking to place the collection's files on a non existant directory
148 # should generate an error.
149 r = self.run_get([self.col_loc, "/fake/subdir/"])
150 self.assertNotEqual(0, r)
152 def test_preexistent_destination(self):
153 # Asking to place a file with the same path as a local one should
154 # generate an error and avoid overwrites.
155 with open(os.path.join(self.tempdir, "foo.txt"), "w") as f:
156 f.write("another foo")
157 r = self.run_get(["{}/foo.txt".format(self.col_loc), self.tempdir])
158 self.assertNotEqual(0, r)
159 with open(os.path.join(self.tempdir, "foo.txt"), "r") as f:
160 self.assertEqual("another foo", f.read())
162 def test_no_progress_when_stderr_not_a_tty(self):
163 # Create a collection with a big file (>64MB) to force the progress
165 c = collection.Collection()
166 with c.open('bigfile.txt', 'wb') as f:
168 f.write("x" * 1024 * 1024)
170 tmpdir = self.make_tmpdir()
171 # Simulate a TTY stderr
172 stderr = mock.MagicMock()
173 stdout = tutil.BytesIO()
175 # Confirm that progress is written to stderr when is a tty
176 stderr.isatty.return_value = True
177 r = arv_get.main(['{}/bigfile.txt'.format(c.manifest_locator()),
178 '{}/bigfile.txt'.format(tmpdir)],
180 self.assertEqual(0, r)
181 self.assertEqual(b'', stdout.getvalue())
182 self.assertTrue(stderr.write.called)
184 # Clean up and reset stderr mock
185 os.remove('{}/bigfile.txt'.format(tmpdir))
186 stderr = mock.MagicMock()
187 stdout = tutil.BytesIO()
189 # Confirm that progress is not written to stderr when isn't a tty
190 stderr.isatty.return_value = False
191 r = arv_get.main(['{}/bigfile.txt'.format(c.manifest_locator()),
192 '{}/bigfile.txt'.format(tmpdir)],
194 self.assertEqual(0, r)
195 self.assertEqual(b'', stdout.getvalue())
196 self.assertFalse(stderr.write.called)
198 request_id_regex = r'INFO: X-Request-Id: req-[a-z0-9]{20}\n'
200 def test_request_id_logging_on(self):
201 r = self.run_get(["-v", "{}/".format(self.col_loc), self.tempdir])
202 self.assertEqual(0, r)
203 self.assertRegex(self.stderr.getvalue(), self.request_id_regex)
205 def test_request_id_logging_off(self):
206 r = self.run_get(["{}/".format(self.col_loc), self.tempdir])
207 self.assertEqual(0, r)
208 self.assertNotRegex(self.stderr.getvalue(), self.request_id_regex)