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-rw-r--r--cloudinit/cmd/query.py43
-rw-r--r--cloudinit/cmd/tests/test_query.py397
2 files changed, 272 insertions, 168 deletions
diff --git a/cloudinit/cmd/query.py b/cloudinit/cmd/query.py
index 0fb48ebd..03b77c17 100644
--- a/cloudinit/cmd/query.py
+++ b/cloudinit/cmd/query.py
@@ -1,6 +1,17 @@
# This file is part of cloud-init. See LICENSE file for license information.
-"""Query standardized instance metadata from the command line."""
+"""Query standardized instance metadata provided to machine, returning a JSON
+structure.
+
+Some instance-data values may be binary on some platforms, such as userdata and
+vendordata. Attempt to decompress and decode UTF-8 any binary values.
+
+Any binary values in the instance metadata will be base64-encoded and prefixed
+with "ci-b64:" in the output. userdata and, where applicable, vendordata may
+be provided to the machine gzip-compressed (and therefore as binary data).
+query will attempt to decompress these to a string before emitting the JSON
+output; if this fails, they are treated as binary.
+"""
import argparse
from errno import EACCES
@@ -30,7 +41,7 @@ def get_parser(parser=None):
"""
if not parser:
parser = argparse.ArgumentParser(
- prog=NAME, description='Query cloud-init instance data')
+ prog=NAME, description=__doc__)
parser.add_argument(
'-d', '--debug', action='store_true', default=False,
help='Add verbose messages during template render')
@@ -52,8 +63,10 @@ def get_parser(parser=None):
' /var/lib/cloud/instance/vendor-data.txt'))
parser.add_argument(
'varname', type=str, nargs='?',
- help=('A dot-delimited instance data variable to query from'
- ' instance-data query. For example: v2.local_hostname'))
+ help=('A dot-delimited specific variable to query from'
+ ' instance-data. For example: v1.local_hostname. If the'
+ ' value is not JSON serializable, it will be base64-encoded and'
+ ' will contain the prefix "ci-b64:". '))
parser.add_argument(
'-a', '--all', action='store_true', default=False, dest='dump_all',
help='Dump all available instance-data')
@@ -65,6 +78,24 @@ def get_parser(parser=None):
return parser
+def load_userdata(ud_file_path):
+ """Attempt to return a string of user-data from ud_file_path
+
+ Attempt to decode or decompress if needed.
+ If unable to decode the content, raw bytes will be returned.
+
+ @returns: String of uncompressed userdata if possible, otherwise bytes.
+ """
+ try:
+ return util.load_file(ud_file_path)
+ except UnicodeDecodeError:
+ encoded_data = util.load_file(ud_file_path, decode=False)
+ try:
+ return util.decomp_gzip(encoded_data, quiet=False)
+ except util.DecompressionError:
+ return encoded_data
+
+
def handle_args(name, args):
"""Handle calls to 'cloud-init query' as a subcommand."""
paths = None
@@ -121,8 +152,8 @@ def handle_args(name, args):
instance_data['vendordata'] = (
'<%s> file:%s' % (REDACT_SENSITIVE_VALUE, vendor_data_fn))
else:
- instance_data['userdata'] = util.load_file(user_data_fn)
- instance_data['vendordata'] = util.load_file(vendor_data_fn)
+ instance_data['userdata'] = load_userdata(user_data_fn)
+ instance_data['vendordata'] = load_userdata(vendor_data_fn)
if args.format:
payload = '## template: jinja\n{fmt}'.format(fmt=args.format)
rendered_payload = render_jinja_payload(
diff --git a/cloudinit/cmd/tests/test_query.py b/cloudinit/cmd/tests/test_query.py
index cb15b2d2..421031aa 100644
--- a/cloudinit/cmd/tests/test_query.py
+++ b/cloudinit/cmd/tests/test_query.py
@@ -1,195 +1,265 @@
# This file is part of cloud-init. See LICENSE file for license information.
import errno
-from io import StringIO
+import gzip
+from io import BytesIO
+import json
from textwrap import dedent
-import os
+
+import pytest
from collections import namedtuple
from cloudinit.cmd import query
from cloudinit.helpers import Paths
from cloudinit.sources import (
REDACT_SENSITIVE_VALUE, INSTANCE_JSON_FILE, INSTANCE_JSON_SENSITIVE_FILE)
-from cloudinit.tests.helpers import CiTestCase, mock
-from cloudinit.util import ensure_dir, write_file
+from cloudinit.tests.helpers import mock
+
+from cloudinit.util import b64e, write_file
+
+def _gzip_data(data):
+ with BytesIO() as iobuf:
+ with gzip.GzipFile(mode="wb", fileobj=iobuf) as gzfp:
+ gzfp.write(data)
+ return iobuf.getvalue()
-class TestQuery(CiTestCase):
- with_logs = True
+@mock.patch("cloudinit.cmd.query.addLogHandlerCLI", lambda *args: "")
+class TestQuery:
args = namedtuple(
'queryargs',
('debug dump_all format instance_data list_keys user_data vendor_data'
' varname'))
- def setUp(self):
- super(TestQuery, self).setUp()
- self.tmp = self.tmp_dir()
- self.instance_data = self.tmp_path('instance-data', dir=self.tmp)
+ def _setup_paths(self, tmpdir, ud_val=None, vd_val=None):
+ """Write userdata and vendordata into a tmpdir.
- def test_handle_args_error_on_missing_param(self):
+ Return:
+ 4-tuple : (paths, run_dir_path, userdata_path, vendordata_path)
+ """
+ if ud_val:
+ user_data = tmpdir.join('user-data')
+ write_file(user_data.strpath, ud_val)
+ else:
+ user_data = None
+ if vd_val:
+ vendor_data = tmpdir.join('vendor-data')
+ write_file(vendor_data.strpath, vd_val)
+ else:
+ vendor_data = None
+ run_dir = tmpdir.join('run_dir')
+ run_dir.ensure_dir()
+ return (
+ Paths({'run_dir': run_dir.strpath}),
+ run_dir,
+ user_data,
+ vendor_data
+ )
+
+ def test_handle_args_error_on_missing_param(self, caplog, capsys):
"""Error when missing required parameters and print usage."""
args = self.args(
debug=False, dump_all=False, format=None, instance_data=None,
list_keys=False, user_data=None, vendor_data=None, varname=None)
- with mock.patch('sys.stderr', new_callable=StringIO) as m_stderr:
- with mock.patch('sys.stdout', new_callable=StringIO) as m_stdout:
- self.assertEqual(1, query.handle_args('anyname', args))
+ with mock.patch(
+ "cloudinit.cmd.query.addLogHandlerCLI", return_value=""
+ ) as m_cli_log:
+ assert 1 == query.handle_args('anyname', args)
expected_error = (
- 'ERROR: Expected one of the options: --all, --format, --list-keys'
+ 'Expected one of the options: --all, --format, --list-keys'
' or varname\n')
- self.assertIn(expected_error, self.logs.getvalue())
- self.assertIn('usage: query', m_stdout.getvalue())
- self.assertIn(expected_error, m_stderr.getvalue())
+ assert expected_error in caplog.text
+ out, _err = capsys.readouterr()
+ assert 'usage: query' in out
+ assert 1 == m_cli_log.call_count
- def test_handle_args_error_on_missing_instance_data(self):
+ def test_handle_args_error_on_missing_instance_data(self, caplog, tmpdir):
"""When instance_data file path does not exist, log an error."""
- absent_fn = self.tmp_path('absent', dir=self.tmp)
+ absent_fn = tmpdir.join('absent')
args = self.args(
- debug=False, dump_all=True, format=None, instance_data=absent_fn,
+ debug=False, dump_all=True, format=None,
+ instance_data=absent_fn.strpath,
list_keys=False, user_data='ud', vendor_data='vd', varname=None)
- with mock.patch('sys.stderr', new_callable=StringIO) as m_stderr:
- self.assertEqual(1, query.handle_args('anyname', args))
- self.assertIn(
- 'ERROR: Missing instance-data file: %s' % absent_fn,
- self.logs.getvalue())
- self.assertIn(
- 'ERROR: Missing instance-data file: %s' % absent_fn,
- m_stderr.getvalue())
+ assert 1 == query.handle_args('anyname', args)
- def test_handle_args_error_when_no_read_permission_instance_data(self):
+ msg = 'Missing instance-data file: %s' % absent_fn
+ assert msg in caplog.text
+
+ def test_handle_args_error_when_no_read_permission_instance_data(
+ self, caplog, tmpdir
+ ):
"""When instance_data file is unreadable, log an error."""
- noread_fn = self.tmp_path('unreadable', dir=self.tmp)
- write_file(noread_fn, 'thou shall not pass')
+ noread_fn = tmpdir.join('unreadable')
+ noread_fn.write('thou shall not pass')
args = self.args(
- debug=False, dump_all=True, format=None, instance_data=noread_fn,
+ debug=False, dump_all=True, format=None,
+ instance_data=noread_fn.strpath,
list_keys=False, user_data='ud', vendor_data='vd', varname=None)
- with mock.patch('sys.stderr', new_callable=StringIO) as m_stderr:
- with mock.patch('cloudinit.cmd.query.util.load_file') as m_load:
- m_load.side_effect = OSError(errno.EACCES, 'Not allowed')
- self.assertEqual(1, query.handle_args('anyname', args))
- self.assertIn(
- "ERROR: No read permission on '%s'. Try sudo" % noread_fn,
- self.logs.getvalue())
- self.assertIn(
- "ERROR: No read permission on '%s'. Try sudo" % noread_fn,
- m_stderr.getvalue())
+ with mock.patch('cloudinit.cmd.query.util.load_file') as m_load:
+ m_load.side_effect = OSError(errno.EACCES, 'Not allowed')
+ assert 1 == query.handle_args('anyname', args)
+ msg = "No read permission on '%s'. Try sudo" % noread_fn
+ assert msg in caplog.text
- def test_handle_args_defaults_instance_data(self):
+ def test_handle_args_defaults_instance_data(self, caplog, tmpdir):
"""When no instance_data argument, default to configured run_dir."""
args = self.args(
debug=False, dump_all=True, format=None, instance_data=None,
list_keys=False, user_data=None, vendor_data=None, varname=None)
- run_dir = self.tmp_path('run_dir', dir=self.tmp)
- ensure_dir(run_dir)
- paths = Paths({'run_dir': run_dir})
- self.add_patch('cloudinit.cmd.query.read_cfg_paths', 'm_paths')
- self.m_paths.return_value = paths
- with mock.patch('sys.stderr', new_callable=StringIO) as m_stderr:
- self.assertEqual(1, query.handle_args('anyname', args))
- json_file = os.path.join(run_dir, INSTANCE_JSON_FILE)
- self.assertIn(
- 'ERROR: Missing instance-data file: %s' % json_file,
- self.logs.getvalue())
- self.assertIn(
- 'ERROR: Missing instance-data file: %s' % json_file,
- m_stderr.getvalue())
+ paths, run_dir, _, _ = self._setup_paths(tmpdir)
+ with mock.patch('cloudinit.cmd.query.read_cfg_paths') as m_paths:
+ m_paths.return_value = paths
+ assert 1 == query.handle_args('anyname', args)
+ json_file = run_dir.join(INSTANCE_JSON_FILE)
+ msg = 'Missing instance-data file: %s' % json_file.strpath
+ assert msg in caplog.text
- def test_handle_args_root_fallsback_to_instance_data(self):
+ def test_handle_args_root_fallsback_to_instance_data(self, caplog, tmpdir):
"""When no instance_data argument, root falls back to redacted json."""
args = self.args(
debug=False, dump_all=True, format=None, instance_data=None,
list_keys=False, user_data=None, vendor_data=None, varname=None)
- run_dir = self.tmp_path('run_dir', dir=self.tmp)
- ensure_dir(run_dir)
- paths = Paths({'run_dir': run_dir})
- self.add_patch('cloudinit.cmd.query.read_cfg_paths', 'm_paths')
- self.m_paths.return_value = paths
- with mock.patch('sys.stderr', new_callable=StringIO) as m_stderr:
+ paths, run_dir, _, _ = self._setup_paths(tmpdir)
+ with mock.patch('cloudinit.cmd.query.read_cfg_paths') as m_paths:
+ m_paths.return_value = paths
with mock.patch('os.getuid') as m_getuid:
m_getuid.return_value = 0
- self.assertEqual(1, query.handle_args('anyname', args))
- json_file = os.path.join(run_dir, INSTANCE_JSON_FILE)
- sensitive_file = os.path.join(run_dir, INSTANCE_JSON_SENSITIVE_FILE)
- self.assertIn(
- 'WARNING: Missing root-readable %s. Using redacted %s instead.' % (
- sensitive_file, json_file),
- m_stderr.getvalue())
+ assert 1 == query.handle_args('anyname', args)
+ json_file = run_dir.join(INSTANCE_JSON_FILE)
+ sensitive_file = run_dir.join(INSTANCE_JSON_SENSITIVE_FILE)
+ msg = (
+ 'Missing root-readable %s. Using redacted %s instead.' %
+ (
+ sensitive_file.strpath, json_file.strpath
+ )
+ )
+ assert msg in caplog.text
- def test_handle_args_root_uses_instance_sensitive_data(self):
- """When no instance_data argument, root uses semsitive json."""
- user_data = self.tmp_path('user-data', dir=self.tmp)
- vendor_data = self.tmp_path('vendor-data', dir=self.tmp)
- write_file(user_data, 'ud')
- write_file(vendor_data, 'vd')
- run_dir = self.tmp_path('run_dir', dir=self.tmp)
- sensitive_file = os.path.join(run_dir, INSTANCE_JSON_SENSITIVE_FILE)
- write_file(sensitive_file, '{"my-var": "it worked"}')
- ensure_dir(run_dir)
- paths = Paths({'run_dir': run_dir})
- self.add_patch('cloudinit.cmd.query.read_cfg_paths', 'm_paths')
- self.m_paths.return_value = paths
+ @pytest.mark.parametrize(
+ 'ud_src,ud_expected,vd_src,vd_expected',
+ (
+ ('hi mom', 'hi mom', 'hi pops', 'hi pops'),
+ ('ud'.encode('utf-8'), 'ud', 'vd'.encode('utf-8'), 'vd'),
+ (_gzip_data(b'ud'), 'ud', _gzip_data(b'vd'), 'vd'),
+ (_gzip_data('ud'.encode('utf-8')), 'ud', _gzip_data(b'vd'), 'vd'),
+ (_gzip_data(b'ud') + b'invalid', 'ci-b64:',
+ _gzip_data(b'vd') + b'invalid', 'ci-b64:'),
+ # non-utf-8 encodable content
+ ('hi mom'.encode('utf-16'), 'ci-b64://5oAGkAIABtAG8AbQA=',
+ 'hi pops'.encode('utf-16'), 'ci-b64://5oAGkAIABwAG8AcABzAA=='),
+ )
+ )
+ def test_handle_args_root_processes_user_data(
+ self, ud_src, ud_expected, vd_src, vd_expected, capsys, tmpdir
+ ):
+ """Support reading multiple user-data file content types"""
+ paths, run_dir, user_data, vendor_data = self._setup_paths(
+ tmpdir, ud_val=ud_src, vd_val=vd_src
+ )
+ sensitive_file = run_dir.join(INSTANCE_JSON_SENSITIVE_FILE)
+ sensitive_file.write('{"my-var": "it worked"}')
args = self.args(
debug=False, dump_all=True, format=None, instance_data=None,
- list_keys=False, user_data=vendor_data, vendor_data=vendor_data,
- varname=None)
- with mock.patch('sys.stdout', new_callable=StringIO) as m_stdout:
+ list_keys=False, user_data=user_data.strpath,
+ vendor_data=vendor_data.strpath, varname=None)
+ with mock.patch('cloudinit.cmd.query.read_cfg_paths') as m_paths:
+ m_paths.return_value = paths
with mock.patch('os.getuid') as m_getuid:
m_getuid.return_value = 0
- self.assertEqual(0, query.handle_args('anyname', args))
- self.assertEqual(
- '{\n "my_var": "it worked",\n "userdata": "vd",\n '
- '"vendordata": "vd"\n}\n', m_stdout.getvalue())
+ assert 0 == query.handle_args('anyname', args)
+ out, _err = capsys.readouterr()
+ cmd_output = json.loads(out)
+ assert "it worked" == cmd_output['my_var']
+ if ud_expected == "ci-b64:":
+ ud_expected = "ci-b64:{}".format(b64e(ud_src))
+ if vd_expected == "ci-b64:":
+ vd_expected = "ci-b64:{}".format(b64e(vd_src))
+ assert ud_expected == cmd_output['userdata']
+ assert vd_expected == cmd_output['vendordata']
- def test_handle_args_dumps_all_instance_data(self):
+ def test_handle_args_root_uses_instance_sensitive_data(
+ self, capsys, tmpdir
+ ):
+ """When no instance_data argument, root uses sensitive json."""
+ paths, run_dir, user_data, vendor_data = self._setup_paths(
+ tmpdir, ud_val='ud', vd_val='vd'
+ )
+ sensitive_file = run_dir.join(INSTANCE_JSON_SENSITIVE_FILE)
+ sensitive_file.write('{"my-var": "it worked"}')
+ args = self.args(
+ debug=False, dump_all=True, format=None, instance_data=None,
+ list_keys=False, user_data=user_data.strpath,
+ vendor_data=vendor_data.strpath, varname=None)
+ with mock.patch('cloudinit.cmd.query.read_cfg_paths') as m_paths:
+ m_paths.return_value = paths
+ with mock.patch('os.getuid') as m_getuid:
+ m_getuid.return_value = 0
+ assert 0 == query.handle_args('anyname', args)
+ expected = (
+ '{\n "my_var": "it worked",\n "userdata": "ud",\n '
+ '"vendordata": "vd"\n}\n'
+ )
+ out, _err = capsys.readouterr()
+ assert expected == out
+
+ def test_handle_args_dumps_all_instance_data(self, capsys, tmpdir):
"""When --all is specified query will dump all instance data vars."""
- write_file(self.instance_data, '{"my-var": "it worked"}')
+ instance_data = tmpdir.join('instance-data')
+ instance_data.write('{"my-var": "it worked"}')
args = self.args(
debug=False, dump_all=True, format=None,
- instance_data=self.instance_data, list_keys=False,
+ instance_data=instance_data.strpath, list_keys=False,
user_data='ud', vendor_data='vd', varname=None)
- with mock.patch('sys.stdout', new_callable=StringIO) as m_stdout:
- with mock.patch('os.getuid') as m_getuid:
- m_getuid.return_value = 100
- self.assertEqual(0, query.handle_args('anyname', args))
- self.assertEqual(
+ with mock.patch('os.getuid') as m_getuid:
+ m_getuid.return_value = 100
+ assert 0 == query.handle_args('anyname', args)
+ expected = (
'{\n "my_var": "it worked",\n "userdata": "<%s> file:ud",\n'
' "vendordata": "<%s> file:vd"\n}\n' % (
- REDACT_SENSITIVE_VALUE, REDACT_SENSITIVE_VALUE),
- m_stdout.getvalue())
+ REDACT_SENSITIVE_VALUE, REDACT_SENSITIVE_VALUE
+ )
+ )
+ out, _err = capsys.readouterr()
+ assert expected == out
- def test_handle_args_returns_top_level_varname(self):
+ def test_handle_args_returns_top_level_varname(self, capsys, tmpdir):
"""When the argument varname is passed, report its value."""
- write_file(self.instance_data, '{"my-var": "it worked"}')
+ instance_data = tmpdir.join('instance-data')
+ instance_data.write('{"my-var": "it worked"}')
args = self.args(
debug=False, dump_all=True, format=None,
- instance_data=self.instance_data, list_keys=False,
+ instance_data=instance_data.strpath, list_keys=False,
user_data='ud', vendor_data='vd', varname='my_var')
- with mock.patch('sys.stdout', new_callable=StringIO) as m_stdout:
- with mock.patch('os.getuid') as m_getuid:
- m_getuid.return_value = 100
- self.assertEqual(0, query.handle_args('anyname', args))
- self.assertEqual('it worked\n', m_stdout.getvalue())
+ with mock.patch('os.getuid') as m_getuid:
+ m_getuid.return_value = 100
+ assert 0 == query.handle_args('anyname', args)
+ out, _err = capsys.readouterr()
+ assert 'it worked\n' == out
- def test_handle_args_returns_nested_varname(self):
+ def test_handle_args_returns_nested_varname(self, capsys, tmpdir):
"""If user_data file is a jinja template render instance-data vars."""
- write_file(self.instance_data,
- '{"v1": {"key-2": "value-2"}, "my-var": "it worked"}')
+ instance_data = tmpdir.join('instance-data')
+ instance_data.write(
+ '{"v1": {"key-2": "value-2"}, "my-var": "it worked"}'
+ )
args = self.args(
debug=False, dump_all=False, format=None,
- instance_data=self.instance_data, user_data='ud', vendor_data='vd',
- list_keys=False, varname='v1.key_2')
- with mock.patch('sys.stdout', new_callable=StringIO) as m_stdout:
- with mock.patch('os.getuid') as m_getuid:
- m_getuid.return_value = 100
- self.assertEqual(0, query.handle_args('anyname', args))
- self.assertEqual('value-2\n', m_stdout.getvalue())
+ instance_data=instance_data.strpath, user_data='ud',
+ vendor_data='vd', list_keys=False, varname='v1.key_2')
+ with mock.patch('os.getuid') as m_getuid:
+ m_getuid.return_value = 100
+ assert 0 == query.handle_args('anyname', args)
+ out, _err = capsys.readouterr()
+ assert 'value-2\n' == out
- def test_handle_args_returns_standardized_vars_to_top_level_aliases(self):
+ def test_handle_args_returns_standardized_vars_to_top_level_aliases(
+ self, capsys, tmpdir
+ ):
"""Any standardized vars under v# are promoted as top-level aliases."""
- write_file(
- self.instance_data,
+ instance_data = tmpdir.join('instance-data')
+ instance_data.write(
'{"v1": {"v1_1": "val1.1"}, "v2": {"v2_2": "val2.2"},'
' "top": "gun"}')
expected = dedent("""\
@@ -209,65 +279,68 @@ class TestQuery(CiTestCase):
""")
args = self.args(
debug=False, dump_all=True, format=None,
- instance_data=self.instance_data, user_data='ud', vendor_data='vd',
- list_keys=False, varname=None)
- with mock.patch('sys.stdout', new_callable=StringIO) as m_stdout:
- with mock.patch('os.getuid') as m_getuid:
- m_getuid.return_value = 100
- self.assertEqual(0, query.handle_args('anyname', args))
- self.assertEqual(expected, m_stdout.getvalue())
+ instance_data=instance_data.strpath, user_data='ud',
+ vendor_data='vd', list_keys=False, varname=None)
+ with mock.patch('os.getuid') as m_getuid:
+ m_getuid.return_value = 100
+ assert 0 == query.handle_args('anyname', args)
+ out, _err = capsys.readouterr()
+ assert expected == out
- def test_handle_args_list_keys_sorts_top_level_keys_when_no_varname(self):
+ def test_handle_args_list_keys_sorts_top_level_keys_when_no_varname(
+ self, capsys, tmpdir
+ ):
"""Sort all top-level keys when only --list-keys provided."""
- write_file(
- self.instance_data,
+ instance_data = tmpdir.join('instance-data')
+ instance_data.write(
'{"v1": {"v1_1": "val1.1"}, "v2": {"v2_2": "val2.2"},'
' "top": "gun"}')
expected = 'top\nuserdata\nv1\nv1_1\nv2\nv2_2\nvendordata\n'
args = self.args(
debug=False, dump_all=False, format=None,
- instance_data=self.instance_data, list_keys=True, user_data='ud',
- vendor_data='vd', varname=None)
- with mock.patch('sys.stdout', new_callable=StringIO) as m_stdout:
- with mock.patch('os.getuid') as m_getuid:
- m_getuid.return_value = 100
- self.assertEqual(0, query.handle_args('anyname', args))
- self.assertEqual(expected, m_stdout.getvalue())
+ instance_data=instance_data.strpath, list_keys=True,
+ user_data='ud', vendor_data='vd', varname=None)
+ with mock.patch('os.getuid') as m_getuid:
+ m_getuid.return_value = 100
+ assert 0 == query.handle_args('anyname', args)
+ out, _err = capsys.readouterr()
+ assert expected == out
- def test_handle_args_list_keys_sorts_nested_keys_when_varname(self):
+ def test_handle_args_list_keys_sorts_nested_keys_when_varname(
+ self, capsys, tmpdir
+ ):
"""Sort all nested keys of varname object when --list-keys provided."""
- write_file(
- self.instance_data,
+ instance_data = tmpdir.join('instance-data')
+ instance_data.write(
'{"v1": {"v1_1": "val1.1", "v1_2": "val1.2"}, "v2":' +
' {"v2_2": "val2.2"}, "top": "gun"}')
expected = 'v1_1\nv1_2\n'
args = self.args(
debug=False, dump_all=False, format=None,
- instance_data=self.instance_data, list_keys=True,
+ instance_data=instance_data.strpath, list_keys=True,
user_data='ud', vendor_data='vd', varname='v1')
- with mock.patch('sys.stdout', new_callable=StringIO) as m_stdout:
- with mock.patch('os.getuid') as m_getuid:
- m_getuid.return_value = 100
- self.assertEqual(0, query.handle_args('anyname', args))
- self.assertEqual(expected, m_stdout.getvalue())
+ with mock.patch('os.getuid') as m_getuid:
+ m_getuid.return_value = 100
+ assert 0 == query.handle_args('anyname', args)
+ out, _err = capsys.readouterr()
+ assert expected == out
- def test_handle_args_list_keys_errors_when_varname_is_not_a_dict(self):
+ def test_handle_args_list_keys_errors_when_varname_is_not_a_dict(
+ self, caplog, tmpdir
+ ):
"""Raise an error when --list-keys and varname specify a non-list."""
- write_file(
- self.instance_data,
+ instance_data = tmpdir.join('instance-data')
+ instance_data.write(
'{"v1": {"v1_1": "val1.1", "v1_2": "val1.2"}, "v2": ' +
'{"v2_2": "val2.2"}, "top": "gun"}')
- expected_error = "ERROR: --list-keys provided but 'top' is not a dict"
+ expected_error = "--list-keys provided but 'top' is not a dict"
args = self.args(
debug=False, dump_all=False, format=None,
- instance_data=self.instance_data, list_keys=True, user_data='ud',
- vendor_data='vd', varname='top')
- with mock.patch('sys.stderr', new_callable=StringIO) as m_stderr:
- with mock.patch('sys.stdout', new_callable=StringIO) as m_stdout:
- with mock.patch('os.getuid') as m_getuid:
- m_getuid.return_value = 100
- self.assertEqual(1, query.handle_args('anyname', args))
- self.assertEqual('', m_stdout.getvalue())
- self.assertIn(expected_error, m_stderr.getvalue())
+ instance_data=instance_data.strpath, list_keys=True,
+ user_data='ud', vendor_data='vd', varname='top')
+ with mock.patch('os.getuid') as m_getuid:
+ m_getuid.return_value = 100
+ assert 1 == query.handle_args('anyname', args)
+ assert expected_error in caplog.text
# vi: ts=4 expandtab