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Started reworking module_utils/basic unit tests (v2)

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pull/11093/head
James Cammarata 9 years ago
parent f1ab1c48f4
commit 339a02c384
2 changed files with 227 additions and 287 deletions
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4
lib/ansible/module_utils/basic.py
Unescape Escape View File

@ -930,7 +930,7 @@ class AnsibleModule(object):
for check in spec:
count = self._count_terms(check)
if count > 1:
self.fail_json(msg="parameters are mutually exclusive: %s" % check)
self.fail_json(msg="parameters are mutually exclusive: %s" % (check,))
def _check_required_one_of(self, spec):
if spec is None:
@ -948,7 +948,7 @@ class AnsibleModule(object):
non_zero = [ c for c in counts if c > 0 ]
if len(non_zero) > 0:
if 0 in counts:
self.fail_json(msg="parameters are required together: %s" % check)
self.fail_json(msg="parameters are required together: %s" % (check,))
def _check_required_arguments(self):
''' ensure all required arguments are present '''

510
test/units/module_utils/test_basic.py
Unescape Escape View File

@ -1,3 +1,4 @@
# -*- coding: utf-8 -*-
# (c) 2012-2014, Michael DeHaan <michael.dehaan@gmail.com>
#
# This file is part of Ansible
@ -16,301 +17,167 @@
# along with Ansible. If not, see <http://www.gnu.org/licenses/>.
# Make coding more python3-ish
#from __future__ import (absolute_import, division, print_function)
from __future__ import (absolute_import, division)
__metaclass__ = type
import os
import tempfile
import __builtin__
from nose.tools import timed
from ansible.compat.tests import unittest
from ansible.compat.tests.mock import patch, MagicMock
from ansible.errors import *
from ansible.executor.module_common import modify_module
from ansible.module_utils.basic import heuristic_log_sanitize
from ansible.utils.hashing import checksum as utils_checksum
TEST_MODULE_DATA = """
from ansible.module_utils.basic import *
def get_module():
return AnsibleModule(
argument_spec = dict(),
supports_check_mode = True,
no_log = True,
)
get_module()
"""
class TestModuleUtilsBasic(unittest.TestCase):
def cleanup_temp_file(self, fd, path):
try:
os.close(fd)
os.remove(path)
except:
pass
def cleanup_temp_dir(self, path):
try:
os.rmdir(path)
except:
pass
def setUp(self):
# create a temporary file for the test module
# we're about to generate
self.tmp_fd, self.tmp_path = tempfile.mkstemp()
os.write(self.tmp_fd, TEST_MODULE_DATA)
# template the module code and eval it
module_data, module_style, shebang = modify_module(self.tmp_path, {})
d = {}
exec(module_data, d, d)
self.module = d['get_module']()
# module_utils/basic.py screws with CWD, let's save it and reset
self.cwd = os.getcwd()
pass
def tearDown(self):
self.cleanup_temp_file(self.tmp_fd, self.tmp_path)
# Reset CWD back to what it was before basic.py changed it
os.chdir(self.cwd)
#################################################################################
# run_command() tests
# test run_command with a string command
def test_run_command_string(self):
(rc, out, err) = self.module.run_command("/bin/echo -n 'foo bar'")
self.assertEqual(rc, 0)
self.assertEqual(out, 'foo bar')
(rc, out, err) = self.module.run_command("/bin/echo -n 'foo bar'", use_unsafe_shell=True)
self.assertEqual(rc, 0)
self.assertEqual(out, 'foo bar')
# test run_command with an array of args (with both use_unsafe_shell=True|False)
def test_run_command_args(self):
(rc, out, err) = self.module.run_command(['/bin/echo', '-n', "foo bar"])
self.assertEqual(rc, 0)
self.assertEqual(out, 'foo bar')
(rc, out, err) = self.module.run_command(['/bin/echo', '-n', "foo bar"], use_unsafe_shell=True)
self.assertEqual(rc, 0)
self.assertEqual(out, 'foo bar')
# test run_command with leading environment variables
#@raises(SystemExit)
def test_run_command_string_with_env_variables(self):
self.assertRaises(SystemExit, self.module.run_command, 'FOO=bar /bin/echo -n "foo bar"')
#@raises(SystemExit)
def test_run_command_args_with_env_variables(self):
self.assertRaises(SystemExit, self.module.run_command, ['FOO=bar', '/bin/echo', '-n', 'foo bar'])
def test_run_command_string_unsafe_with_env_variables(self):
(rc, out, err) = self.module.run_command('FOO=bar /bin/echo -n "foo bar"', use_unsafe_shell=True)
self.assertEqual(rc, 0)
self.assertEqual(out, 'foo bar')
# test run_command with a command pipe (with both use_unsafe_shell=True|False)
def test_run_command_string_unsafe_with_pipe(self):
(rc, out, err) = self.module.run_command('echo "foo bar" | cat', use_unsafe_shell=True)
self.assertEqual(rc, 0)
self.assertEqual(out, 'foo bar\n')
# test run_command with a shell redirect in (with both use_unsafe_shell=True|False)
def test_run_command_string_unsafe_with_redirect_in(self):
(rc, out, err) = self.module.run_command('cat << EOF\nfoo bar\nEOF', use_unsafe_shell=True)
self.assertEqual(rc, 0)
self.assertEqual(out, 'foo bar\n')
# test run_command with a shell redirect out (with both use_unsafe_shell=True|False)
def test_run_command_string_unsafe_with_redirect_out(self):
tmp_fd, tmp_path = tempfile.mkstemp()
try:
(rc, out, err) = self.module.run_command('echo "foo bar" > %s' % tmp_path, use_unsafe_shell=True)
self.assertEqual(rc, 0)
self.assertTrue(os.path.exists(tmp_path))
checksum = utils_checksum(tmp_path)
self.assertEqual(checksum, 'd53a205a336e07cf9eac45471b3870f9489288ec')
except:
raise
finally:
self.cleanup_temp_file(tmp_fd, tmp_path)
# test run_command with a double shell redirect out (append) (with both use_unsafe_shell=True|False)
def test_run_command_string_unsafe_with_double_redirect_out(self):
tmp_fd, tmp_path = tempfile.mkstemp()
try:
(rc, out, err) = self.module.run_command('echo "foo bar" >> %s' % tmp_path, use_unsafe_shell=True)
self.assertEqual(rc, 0)
self.assertTrue(os.path.exists(tmp_path))
checksum = utils_checksum(tmp_path)
self.assertEqual(checksum, 'd53a205a336e07cf9eac45471b3870f9489288ec')
except:
raise
finally:
self.cleanup_temp_file(tmp_fd, tmp_path)
# test run_command with data
def test_run_command_string_with_data(self):
(rc, out, err) = self.module.run_command('cat', data='foo bar')
self.assertEqual(rc, 0)
self.assertEqual(out, 'foo bar\n')
# test run_command with binary data
def test_run_command_string_with_binary_data(self):
(rc, out, err) = self.module.run_command('cat', data='\x41\x42\x43\x44', binary_data=True)
self.assertEqual(rc, 0)
self.assertEqual(out, 'ABCD')
# test run_command with a cwd set
def test_run_command_string_with_cwd(self):
tmp_path = tempfile.mkdtemp()
try:
(rc, out, err) = self.module.run_command('pwd', cwd=tmp_path)
self.assertEqual(rc, 0)
self.assertTrue(os.path.exists(tmp_path))
self.assertEqual(out.strip(), os.path.realpath(tmp_path))
except:
raise
finally:
self.cleanup_temp_dir(tmp_path)
class TestModuleUtilsBasicHelpers(unittest.TestCase):
''' Test some implementation details of AnsibleModule
Some pieces of AnsibleModule are implementation details but they have
potential cornercases that we need to check. Go ahead and test at
this level that the functions are behaving even though their API may
change and we'd have to rewrite these tests so that we know that we
need to check for those problems in any rewrite.
In the future we might want to restructure higher level code to be
friendlier to unittests so that we can test at the level that the public
is interacting with the APIs.
'''
MANY_RECORDS = 7000
URL_SECRET = 'http://username:pas:word@foo.com/data'
SSH_SECRET = 'username:pas:word@foo.com/data'
def cleanup_temp_file(self, fd, path):
try:
os.close(fd)
os.remove(path)
except:
pass
def test_module_utils_basic_imports(self):
realimport = __builtin__.__import__
def _mock_import(name, *args, **kwargs):
if name == 'json':
raise ImportError()
realimport(name, *args, **kwargs)
with patch.object(__builtin__, '__import__', _mock_import, create=True) as m:
m('ansible.module_utils.basic')
__builtin__.__import__('ansible.module_utils.basic')
def test_module_utils_basic_get_platform(self):
with patch('platform.system', return_value='foo'):
from ansible.module_utils.basic import get_platform
self.assertEqual(get_platform(), 'foo')
def test_module_utils_basic_get_distribution(self):
from ansible.module_utils.basic import get_distribution
with patch('platform.system', return_value='Foo'):
self.assertEqual(get_distribution(), None)
with patch('platform.system', return_value='Linux'):
with patch('platform.linux_distribution', return_value=("foo", "1", "One")):
self.assertEqual(get_distribution(), "Foo")
with patch('os.path.isfile', return_value=True):
def _dist(distname='', version='', id='', supported_dists=(), full_distribution_name=1):
if supported_dists != ():
return ("AmazonFooBar", "", "")
else:
return ("", "", "")
with patch('platform.linux_distribution', side_effect=_dist):
self.assertEqual(get_distribution(), "Amazon")
def _dist(distname='', version='', id='', supported_dists=(), full_distribution_name=1):
if supported_dists != ():
return ("Bar", "2", "Two")
else:
return ("", "", "")
with patch('platform.linux_distribution', side_effect=_dist):
self.assertEqual(get_distribution(), "OtherLinux")
with patch('platform.linux_distribution', side_effect=Exception("boo")):
with patch('platform.dist', return_value=("bar", "2", "Two")):
self.assertEqual(get_distribution(), "Bar")
def test_module_utils_basic_get_distribution_version(self):
from ansible.module_utils.basic import get_distribution_version
with patch('platform.system', return_value='Foo'):
self.assertEqual(get_distribution_version(), None)
with patch('platform.system', return_value='Linux'):
with patch('platform.linux_distribution', return_value=("foo", "1", "One")):
self.assertEqual(get_distribution_version(), "1")
with patch('os.path.isfile', return_value=True):
def _dist(distname='', version='', id='', supported_dists=(), full_distribution_name=1):
if supported_dists != ():
return ("AmazonFooBar", "2", "")
else:
return ("", "", "")
with patch('platform.linux_distribution', side_effect=_dist):
self.assertEqual(get_distribution_version(), "2")
with patch('platform.linux_distribution', side_effect=Exception("boo")):
with patch('platform.dist', return_value=("bar", "3", "Three")):
self.assertEqual(get_distribution_version(), "3")
def test_module_utils_basic_load_platform_subclass(self):
class LinuxTest:
pass
def cleanup_temp_dir(self, path):
try:
os.rmdir(path)
except:
pass
def _gen_data(self, records, per_rec, top_level, secret_text):
hostvars = {'hostvars': {}}
for i in range(1, records, 1):
host_facts = {'host%s' % i:
{'pstack':
{'running': '875.1',
'symlinked': '880.0',
'tars': [],
'versions': ['885.0']},
}}
if per_rec:
host_facts['host%s' % i]['secret'] = secret_text
hostvars['hostvars'].update(host_facts)
if top_level:
hostvars['secret'] = secret_text
return hostvars
def setUp(self):
self.many_url = repr(self._gen_data(self.MANY_RECORDS, True, True,
self.URL_SECRET))
self.many_ssh = repr(self._gen_data(self.MANY_RECORDS, True, True,
self.SSH_SECRET))
self.one_url = repr(self._gen_data(self.MANY_RECORDS, False, True,
self.URL_SECRET))
self.one_ssh = repr(self._gen_data(self.MANY_RECORDS, False, True,
self.SSH_SECRET))
self.zero_secrets = repr(self._gen_data(self.MANY_RECORDS, False,
False, ''))
self.few_url = repr(self._gen_data(2, True, True, self.URL_SECRET))
self.few_ssh = repr(self._gen_data(2, True, True, self.SSH_SECRET))
# create a temporary file for the test module
# we're about to generate
self.tmp_fd, self.tmp_path = tempfile.mkstemp()
os.write(self.tmp_fd, TEST_MODULE_DATA)
# template the module code and eval it
module_data, module_style, shebang = modify_module(self.tmp_path, {})
d = {}
exec(module_data, d, d)
self.module = d['get_module']()
# module_utils/basic.py screws with CWD, let's save it and reset
self.cwd = os.getcwd()
def tearDown(self):
self.cleanup_temp_file(self.tmp_fd, self.tmp_path)
# Reset CWD back to what it was before basic.py changed it
os.chdir(self.cwd)
#################################################################################
#
# Speed tests
#
# Previously, we used regexes which had some pathologically slow cases for
# parameters with large amounts of data with many ':' but no '@'. The
# present function gets slower when there are many replacements so we may
# want to explore regexes in the future (for the speed when substituting
# or flexibility). These speed tests will hopefully tell us if we're
# introducing code that has cases that are simply too slow.
#
# Some regex notes:
# * re.sub() is faster than re.match() + str.join().
# * We may be able to detect a large number of '@' symbols and then use
# a regex else use the present function.
#@timed(5)
#def test_log_sanitize_speed_many_url(self):
# heuristic_log_sanitize(self.many_url)
#@timed(5)
#def test_log_sanitize_speed_many_ssh(self):
# heuristic_log_sanitize(self.many_ssh)
#@timed(5)
#def test_log_sanitize_speed_one_url(self):
# heuristic_log_sanitize(self.one_url)
#@timed(5)
#def test_log_sanitize_speed_one_ssh(self):
# heuristic_log_sanitize(self.one_ssh)
#@timed(5)
#def test_log_sanitize_speed_zero_secrets(self):
# heuristic_log_sanitize(self.zero_secrets)
#
# Test that the password obfuscation sanitizes somewhat cleanly.
#
def test_log_sanitize_correctness(self):
url_data = repr(self._gen_data(3, True, True, self.URL_SECRET))
ssh_data = repr(self._gen_data(3, True, True, self.SSH_SECRET))
class Foo(LinuxTest):
platform = "Linux"
distribution = None
class Bar(LinuxTest):
platform = "Linux"
distribution = "Bar"
from ansible.module_utils.basic import load_platform_subclass
# match just the platform class, not a specific distribution
with patch('ansible.module_utils.basic.get_platform', return_value="Linux"):
with patch('ansible.module_utils.basic.get_distribution', return_value=None):
self.assertIs(type(load_platform_subclass(LinuxTest)), Foo)
# match both the distribution and platform class
with patch('ansible.module_utils.basic.get_platform', return_value="Linux"):
with patch('ansible.module_utils.basic.get_distribution', return_value="Bar"):
self.assertIs(type(load_platform_subclass(LinuxTest)), Bar)
# if neither match, the fallback should be the top-level class
with patch('ansible.module_utils.basic.get_platform', return_value="Foo"):
with patch('ansible.module_utils.basic.get_distribution', return_value=None):
self.assertIs(type(load_platform_subclass(LinuxTest)), LinuxTest)
def test_module_utils_basic_json_dict_converters(self):
from ansible.module_utils.basic import json_dict_unicode_to_bytes, json_dict_bytes_to_unicode
test_data = dict(
item1 = u"Fóo",
item2 = [u"Bár", u"Bam"],
item3 = dict(sub1=u"Súb"),
item4 = (u"föo", u"bär", u"©"),
item5 = 42,
)
res = json_dict_unicode_to_bytes(test_data)
res2 = json_dict_bytes_to_unicode(res)
self.assertEqual(test_data, res2)
def test_module_utils_basic_heuristic_log_sanitize(self):
from ansible.module_utils.basic import heuristic_log_sanitize
URL_SECRET = 'http://username:pas:word@foo.com/data'
SSH_SECRET = 'username:pas:word@foo.com/data'
def _gen_data(records, per_rec, top_level, secret_text):
hostvars = {'hostvars': {}}
for i in range(1, records, 1):
host_facts = {'host%s' % i:
{'pstack':
{'running': '875.1',
'symlinked': '880.0',
'tars': [],
'versions': ['885.0']},
}}
if per_rec:
host_facts['host%s' % i]['secret'] = secret_text
hostvars['hostvars'].update(host_facts)
if top_level:
hostvars['secret'] = secret_text
return hostvars
url_data = repr(_gen_data(3, True, True, URL_SECRET))
ssh_data = repr(_gen_data(3, True, True, SSH_SECRET))
url_output = heuristic_log_sanitize(url_data)
ssh_output = heuristic_log_sanitize(ssh_data)
@ -349,7 +216,80 @@ class TestModuleUtilsBasicHelpers(unittest.TestCase):
# python2.6 or less's unittest
self.assertTrue(":********@foo.com/data'" in ssh_output, '%s is not present in %s' % (":********@foo.com/data'", ssh_output))
# The overzealous-ness here may lead to us changing the algorithm in
# the future. We could make it consume less of the data (with the
# possibility of leaving partial passwords exposed) and encourage
# people to use no_log instead of relying on this obfuscation.
def test_module_utils_basic_ansible_module_creation(self):
from ansible.module_utils import basic
basic.MODULE_COMPLEX_ARGS = '{}'
am = basic.AnsibleModule(
argument_spec=dict(),
)
arg_spec = dict(
foo = dict(required=True),
bar = dict(),
bam = dict(),
baz = dict(),
)
mut_ex = (('bar', 'bam'),)
req_to = (('bam', 'baz'),)
# should test ok
basic.MODULE_COMPLEX_ARGS = '{"foo":"hello"}'
am = basic.AnsibleModule(
argument_spec = arg_spec,
mutually_exclusive = mut_ex,
required_together = req_to,
no_log=True,
check_invalid_arguments=False,
add_file_common_args=True,
supports_check_mode=True,
)
# fail, because a required param was not specified
basic.MODULE_COMPLEX_ARGS = '{}'
self.assertRaises(
SystemExit,
basic.AnsibleModule,
argument_spec = arg_spec,
mutually_exclusive = mut_ex,
required_together = req_to,
no_log=True,
check_invalid_arguments=False,
add_file_common_args=True,
supports_check_mode=True,
)
# fail because of mutually exclusive parameters
basic.MODULE_COMPLEX_ARGS = '{"foo":"hello", "bar": "bad", "bam": "bad"}'
self.assertRaises(
SystemExit,
basic.AnsibleModule,
argument_spec = arg_spec,
mutually_exclusive = mut_ex,
required_together = req_to,
no_log=True,
check_invalid_arguments=False,
add_file_common_args=True,
supports_check_mode=True,
)
# fail because a param required due to another param was not specified
basic.MODULE_COMPLEX_ARGS = '{"bam":"bad"}'
self.assertRaises(
SystemExit,
basic.AnsibleModule,
argument_spec = arg_spec,
mutually_exclusive = mut_ex,
required_together = req_to,
no_log=True,
check_invalid_arguments=False,
add_file_common_args=True,
supports_check_mode=True,
)
def test_module_utils_basic_get_module_path(self):
from ansible.module_utils.basic import get_module_path
with patch('os.path.realpath', return_value='/path/to/foo/'):
self.assertEqual(get_module_path(), '/path/to/foo')

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