# -*- coding: utf-8 -*- # (c) 2012-2014, Michael DeHaan # (c) 2016 Toshio Kuratomi # Copyright: Ansible Project # GNU General Public License v3.0+ (see COPYING or https://www.gnu.org/licenses/gpl-3.0.txt) from __future__ import absolute_import, division, print_function __metaclass__ = type import json import os import pytest from units.compat.mock import MagicMock, patch from ansible.module_utils import basic from ansible.module_utils.six import string_types, integer_types from ansible.module_utils.six.moves import builtins from units.mock.procenv import ModuleTestCase, swap_stdin_and_argv MOCK_VALIDATOR_FAIL = MagicMock(side_effect=TypeError("bad conversion")) # Data is argspec, argument, expected VALID_SPECS = ( # Simple type=int ({'arg': {'type': 'int'}}, {'arg': 42}, 42), # Simple type=int with a large value (will be of type long under Python 2) ({'arg': {'type': 'int'}}, {'arg': 18765432109876543210}, 18765432109876543210), # Simple type=list, elements=int ({'arg': {'type': 'list', 'elements': 'int'}}, {'arg': [42, 32]}, [42, 32]), # Type=int with conversion from string ({'arg': {'type': 'int'}}, {'arg': '42'}, 42), # Type=list elements=int with conversion from string ({'arg': {'type': 'list', 'elements': 'int'}}, {'arg': ['42', '32']}, [42, 32]), # Simple type=float ({'arg': {'type': 'float'}}, {'arg': 42.0}, 42.0), # Simple type=list, elements=float ({'arg': {'type': 'list', 'elements': 'float'}}, {'arg': [42.1, 32.2]}, [42.1, 32.2]), # Type=float conversion from int ({'arg': {'type': 'float'}}, {'arg': 42}, 42.0), # type=list, elements=float conversion from int ({'arg': {'type': 'list', 'elements': 'float'}}, {'arg': [42, 32]}, [42.0, 32.0]), # Type=float conversion from string ({'arg': {'type': 'float'}}, {'arg': '42.0'}, 42.0), # type=list, elements=float conversion from string ({'arg': {'type': 'list', 'elements': 'float'}}, {'arg': ['42.1', '32.2']}, [42.1, 32.2]), # Type=float conversion from string without decimal point ({'arg': {'type': 'float'}}, {'arg': '42'}, 42.0), # Type=list elements=float conversion from string without decimal point ({'arg': {'type': 'list', 'elements': 'float'}}, {'arg': ['42', '32.2']}, [42.0, 32.2]), # Simple type=bool ({'arg': {'type': 'bool'}}, {'arg': True}, True), # Simple type=list elements=bool ({'arg': {'type': 'list', 'elements': 'bool'}}, {'arg': [True, 'true', 1, 'yes', False, 'false', 'no', 0]}, [True, True, True, True, False, False, False, False]), # Type=int with conversion from string ({'arg': {'type': 'bool'}}, {'arg': 'yes'}, True), # Type=str converts to string ({'arg': {'type': 'str'}}, {'arg': 42}, '42'), # Type=list elements=str simple converts to string ({'arg': {'type': 'list', 'elements': 'str'}}, {'arg': ['42', '32']}, ['42', '32']), # Type is implicit, converts to string ({'arg': {'type': 'str'}}, {'arg': 42}, '42'), # Type=list elements=str implicit converts to string ({'arg': {'type': 'list', 'elements': 'str'}}, {'arg': [42, 32]}, ['42', '32']), # parameter is required ({'arg': {'required': True}}, {'arg': 42}, '42'), ) INVALID_SPECS = ( # Type is int; unable to convert this string ({'arg': {'type': 'int'}}, {'arg': "bad"}, "invalid literal for int() with base 10: 'bad'"), # Type is list elements is int; unable to convert this string ({'arg': {'type': 'list', 'elements': 'int'}}, {'arg': [1, "bad"]}, "invalid literal for int() with base 10: 'bad'"), # Type is int; unable to convert float ({'arg': {'type': 'int'}}, {'arg': 42.1}, "'float'> cannot be converted to an int"), # Type is list, elements is int; unable to convert float ({'arg': {'type': 'list', 'elements': 'int'}}, {'arg': [42.1, 32, 2]}, "'float'> cannot be converted to an int"), # type is a callable that fails to convert ({'arg': {'type': MOCK_VALIDATOR_FAIL}}, {'arg': "bad"}, "bad conversion"), # type is a list, elements is callable that fails to convert ({'arg': {'type': 'list', 'elements': MOCK_VALIDATOR_FAIL}}, {'arg': [1, "bad"]}, "bad conversion"), # unknown parameter ({'arg': {'type': 'int'}}, {'other': 'bad', '_ansible_module_name': 'ansible_unittest'}, 'Unsupported parameters for (ansible_unittest) module: other Supported parameters include: arg'), # parameter is required ({'arg': {'required': True}}, {}, 'missing required arguments: arg'), ) @pytest.fixture def complex_argspec(): arg_spec = dict( foo=dict(required=True, aliases=['dup']), bar=dict(), bam=dict(), bing=dict(), bang=dict(), bong=dict(), baz=dict(fallback=(basic.env_fallback, ['BAZ'])), bar1=dict(type='bool'), bar3=dict(type='list', elements='path'), zardoz=dict(choices=['one', 'two']), zardoz2=dict(type='list', choices=['one', 'two', 'three']), ) mut_ex = (('bar', 'bam'), ('bing', 'bang', 'bong')) req_to = (('bam', 'baz'),) kwargs = dict( argument_spec=arg_spec, mutually_exclusive=mut_ex, required_together=req_to, no_log=True, add_file_common_args=True, supports_check_mode=True, ) return kwargs @pytest.fixture def options_argspec_list(): options_spec = dict( foo=dict(required=True, aliases=['dup']), bar=dict(), bar1=dict(type='list', elements='str'), bar2=dict(type='list', elements='int'), bar3=dict(type='list', elements='float'), bar4=dict(type='list', elements='path'), bam=dict(), baz=dict(fallback=(basic.env_fallback, ['BAZ'])), bam1=dict(), bam2=dict(default='test'), bam3=dict(type='bool'), bam4=dict(type='str'), ) arg_spec = dict( foobar=dict( type='list', elements='dict', options=options_spec, mutually_exclusive=[ ['bam', 'bam1'], ], required_if=[ ['foo', 'hello', ['bam']], ['foo', 'bam2', ['bam2']] ], required_one_of=[ ['bar', 'bam'] ], required_together=[ ['bam1', 'baz'] ], required_by={ 'bam4': ('bam1', 'bam3'), }, ) ) kwargs = dict( argument_spec=arg_spec, no_log=True, add_file_common_args=True, supports_check_mode=True ) return kwargs @pytest.fixture def options_argspec_dict(options_argspec_list): # should test ok, for options in dict format. kwargs = options_argspec_list kwargs['argument_spec']['foobar']['type'] = 'dict' kwargs['argument_spec']['foobar']['elements'] = None return kwargs # # Tests for one aspect of arg_spec # @pytest.mark.parametrize('argspec, expected, stdin', [(s[0], s[2], s[1]) for s in VALID_SPECS], indirect=['stdin']) def test_validator_basic_types(argspec, expected, stdin): am = basic.AnsibleModule(argspec) if 'type' in argspec['arg']: if argspec['arg']['type'] == 'int': type_ = integer_types else: type_ = getattr(builtins, argspec['arg']['type']) else: type_ = str assert isinstance(am.params['arg'], type_) assert am.params['arg'] == expected @pytest.mark.parametrize('stdin', [{'arg': 42}, {'arg': 18765432109876543210}], indirect=['stdin']) def test_validator_function(mocker, stdin): # Type is a callable MOCK_VALIDATOR_SUCCESS = mocker.MagicMock(return_value=27) argspec = {'arg': {'type': MOCK_VALIDATOR_SUCCESS}} am = basic.AnsibleModule(argspec) assert isinstance(am.params['arg'], integer_types) assert am.params['arg'] == 27 @pytest.mark.parametrize('argspec, expected, stdin', [(s[0], s[2], s[1]) for s in INVALID_SPECS], indirect=['stdin']) def test_validator_fail(stdin, capfd, argspec, expected): with pytest.raises(SystemExit): basic.AnsibleModule(argument_spec=argspec) out, err = capfd.readouterr() assert not err assert expected in json.loads(out)['msg'] assert json.loads(out)['failed'] class TestComplexArgSpecs: """Test with a more complex arg_spec""" @pytest.mark.parametrize('stdin', [{'foo': 'hello'}, {'dup': 'hello'}], indirect=['stdin']) def test_complex_required(self, stdin, complex_argspec): """Test that the complex argspec works if we give it its required param as either the canonical or aliased name""" am = basic.AnsibleModule(**complex_argspec) assert isinstance(am.params['foo'], str) assert am.params['foo'] == 'hello' @pytest.mark.parametrize('stdin', [{'foo': 'hello', 'bam': 'test'}], indirect=['stdin']) def test_complex_type_fallback(self, mocker, stdin, complex_argspec): """Test that the complex argspec works if we get a required parameter via fallback""" environ = os.environ.copy() environ['BAZ'] = 'test data' mocker.patch('ansible.module_utils.basic.os.environ', environ) am = basic.AnsibleModule(**complex_argspec) assert isinstance(am.params['baz'], str) assert am.params['baz'] == 'test data' @pytest.mark.parametrize('stdin', [{'foo': 'hello', 'bar': 'bad', 'bam': 'bad2', 'bing': 'a', 'bang': 'b', 'bong': 'c'}], indirect=['stdin']) def test_fail_mutually_exclusive(self, capfd, stdin, complex_argspec): """Fail because of mutually exclusive parameters""" with pytest.raises(SystemExit): am = basic.AnsibleModule(**complex_argspec) out, err = capfd.readouterr() results = json.loads(out) assert results['failed'] assert results['msg'] == "parameters are mutually exclusive: bar|bam, bing|bang|bong" @pytest.mark.parametrize('stdin', [{'foo': 'hello', 'bam': 'bad2'}], indirect=['stdin']) def test_fail_required_together(self, capfd, stdin, complex_argspec): """Fail because only one of a required_together pair of parameters was specified""" with pytest.raises(SystemExit): am = basic.AnsibleModule(**complex_argspec) out, err = capfd.readouterr() results = json.loads(out) assert results['failed'] assert results['msg'] == "parameters are required together: bam, baz" @pytest.mark.parametrize('stdin', [{'foo': 'hello', 'bar': 'hi'}], indirect=['stdin']) def test_fail_required_together_and_default(self, capfd, stdin, complex_argspec): """Fail because one of a required_together pair of parameters has a default and the other was not specified""" complex_argspec['argument_spec']['baz'] = {'default': 42} with pytest.raises(SystemExit): am = basic.AnsibleModule(**complex_argspec) out, err = capfd.readouterr() results = json.loads(out) assert results['failed'] assert results['msg'] == "parameters are required together: bam, baz" @pytest.mark.parametrize('stdin', [{'foo': 'hello'}], indirect=['stdin']) def test_fail_required_together_and_fallback(self, capfd, mocker, stdin, complex_argspec): """Fail because one of a required_together pair of parameters has a fallback and the other was not specified""" environ = os.environ.copy() environ['BAZ'] = 'test data' mocker.patch('ansible.module_utils.basic.os.environ', environ) with pytest.raises(SystemExit): am = basic.AnsibleModule(**complex_argspec) out, err = capfd.readouterr() results = json.loads(out) assert results['failed'] assert results['msg'] == "parameters are required together: bam, baz" @pytest.mark.parametrize('stdin', [{'foo': 'hello', 'zardoz2': ['one', 'four', 'five']}], indirect=['stdin']) def test_fail_list_with_choices(self, capfd, mocker, stdin, complex_argspec): """Fail because one of the items is not in the choice""" with pytest.raises(SystemExit): basic.AnsibleModule(**complex_argspec) out, err = capfd.readouterr() results = json.loads(out) assert results['failed'] assert results['msg'] == "value of zardoz2 must be one or more of: one, two, three. Got no match for: four, five" @pytest.mark.parametrize('stdin', [{'foo': 'hello', 'zardoz2': ['one', 'three']}], indirect=['stdin']) def test_list_with_choices(self, capfd, mocker, stdin, complex_argspec): """Test choices with list""" am = basic.AnsibleModule(**complex_argspec) assert isinstance(am.params['zardoz2'], list) assert am.params['zardoz2'] == ['one', 'three'] @pytest.mark.parametrize('stdin', [{'foo': 'hello', 'bar3': ['~/test', 'test/']}], indirect=['stdin']) def test_list_with_elements_path(self, capfd, mocker, stdin, complex_argspec): """Test choices with list""" am = basic.AnsibleModule(**complex_argspec) assert isinstance(am.params['bar3'], list) assert am.params['bar3'][0].startswith('/') assert am.params['bar3'][1] == 'test/' class TestComplexOptions: """Test arg spec options""" # (Parameters, expected value of module.params['foobar']) OPTIONS_PARAMS_LIST = ( ({'foobar': [{"foo": "hello", "bam": "good"}, {"foo": "test", "bar": "good"}]}, [{'foo': 'hello', 'bam': 'good', 'bam2': 'test', 'bar': None, 'baz': None, 'bam1': None, 'bam3': None, 'bam4': None, 'bar1': None, 'bar2': None, 'bar3': None, 'bar4': None}, {'foo': 'test', 'bam': None, 'bam2': 'test', 'bar': 'good', 'baz': None, 'bam1': None, 'bam3': None, 'bam4': None, 'bar1': None, 'bar2': None, 'bar3': None, 'bar4': None}] ), # Alias for required param ({'foobar': [{"dup": "test", "bar": "good"}]}, [{'foo': 'test', 'dup': 'test', 'bam': None, 'bam2': 'test', 'bar': 'good', 'baz': None, 'bam1': None, 'bam3': None, 'bam4': None, 'bar1': None, 'bar2': None, 'bar3': None, 'bar4': None}] ), # Required_if utilizing default value of the requirement ({'foobar': [{"foo": "bam2", "bar": "required_one_of"}]}, [{'bam': None, 'bam1': None, 'bam2': 'test', 'bam3': None, 'bam4': None, 'bar': 'required_one_of', 'baz': None, 'foo': 'bam2', 'bar1': None, 'bar2': None, 'bar3': None, 'bar4': None}] ), # Check that a bool option is converted ({"foobar": [{"foo": "required", "bam": "good", "bam3": "yes"}]}, [{'bam': 'good', 'bam1': None, 'bam2': 'test', 'bam3': True, 'bam4': None, 'bar': None, 'baz': None, 'foo': 'required', 'bar1': None, 'bar2': None, 'bar3': None, 'bar4': None}] ), # Check required_by options ({"foobar": [{"foo": "required", "bar": "good", "baz": "good", "bam4": "required_by", "bam1": "ok", "bam3": "yes"}]}, [{'bar': 'good', 'baz': 'good', 'bam1': 'ok', 'bam2': 'test', 'bam3': True, 'bam4': 'required_by', 'bam': None, 'foo': 'required', 'bar1': None, 'bar2': None, 'bar3': None, 'bar4': None}] ), # Check for elements in sub-options ({"foobar": [{"foo": "good", "bam": "required_one_of", "bar1": [1, "good", "yes"], "bar2": ['1', 1], "bar3":['1.3', 1.3, 1]}]}, [{'foo': 'good', 'bam1': None, 'bam2': 'test', 'bam3': None, 'bam4': None, 'bar': None, 'baz': None, 'bam': 'required_one_of', 'bar1': ["1", "good", "yes"], 'bar2': [1, 1], 'bar3': [1.3, 1.3, 1.0], 'bar4': None}] ), ) # (Parameters, expected value of module.params['foobar']) OPTIONS_PARAMS_DICT = ( ({'foobar': {"foo": "hello", "bam": "good"}}, {'foo': 'hello', 'bam': 'good', 'bam2': 'test', 'bar': None, 'baz': None, 'bam1': None, 'bam3': None, 'bam4': None, 'bar1': None, 'bar2': None, 'bar3': None, 'bar4': None} ), # Alias for required param ({'foobar': {"dup": "test", "bar": "good"}}, {'foo': 'test', 'dup': 'test', 'bam': None, 'bam2': 'test', 'bar': 'good', 'baz': None, 'bam1': None, 'bam3': None, 'bam4': None, 'bar1': None, 'bar2': None, 'bar3': None, 'bar4': None} ), # Required_if utilizing default value of the requirement ({'foobar': {"foo": "bam2", "bar": "required_one_of"}}, {'bam': None, 'bam1': None, 'bam2': 'test', 'bam3': None, 'bam4': None, 'bar': 'required_one_of', 'baz': None, 'foo': 'bam2', 'bar1': None, 'bar2': None, 'bar3': None, 'bar4': None} ), # Check that a bool option is converted ({"foobar": {"foo": "required", "bam": "good", "bam3": "yes"}}, {'bam': 'good', 'bam1': None, 'bam2': 'test', 'bam3': True, 'bam4': None, 'bar': None, 'baz': None, 'foo': 'required', 'bar1': None, 'bar2': None, 'bar3': None, 'bar4': None} ), # Check required_by options ({"foobar": {"foo": "required", "bar": "good", "baz": "good", "bam4": "required_by", "bam1": "ok", "bam3": "yes"}}, {'bar': 'good', 'baz': 'good', 'bam1': 'ok', 'bam2': 'test', 'bam3': True, 'bam4': 'required_by', 'bam': None, 'foo': 'required', 'bar1': None, 'bar3': None, 'bar2': None, 'bar4': None} ), # Check for elements in sub-options ({"foobar": {"foo": "good", "bam": "required_one_of", "bar1": [1, "good", "yes"], "bar2": ['1', 1], "bar3": ['1.3', 1.3, 1]}}, {'foo': 'good', 'bam1': None, 'bam2': 'test', 'bam3': None, 'bam4': None, 'bar': None, 'baz': None, 'bam': 'required_one_of', 'bar1': ["1", "good", "yes"], 'bar2': [1, 1], 'bar3': [1.3, 1.3, 1.0], 'bar4': None} ), ) # (Parameters, failure message) FAILING_PARAMS_LIST = ( # Missing required option ({'foobar': [{}]}, 'missing required arguments: foo found in foobar'), # Invalid option ({'foobar': [{"foo": "hello", "bam": "good", "invalid": "bad"}]}, 'module: invalid found in foobar. Supported parameters include'), # Mutually exclusive options found ({'foobar': [{"foo": "test", "bam": "bad", "bam1": "bad", "baz": "req_to"}]}, 'parameters are mutually exclusive: bam|bam1 found in foobar'), # required_if fails ({'foobar': [{"foo": "hello", "bar": "bad"}]}, 'foo is hello but all of the following are missing: bam found in foobar'), # Missing required_one_of option ({'foobar': [{"foo": "test"}]}, 'one of the following is required: bar, bam found in foobar'), # Missing required_together option ({'foobar': [{"foo": "test", "bar": "required_one_of", "bam1": "bad"}]}, 'parameters are required together: bam1, baz found in foobar'), # Missing required_by options ({'foobar': [{"foo": "test", "bar": "required_one_of", "bam4": "required_by"}]}, "missing parameter(s) required by 'bam4': bam1, bam3"), ) # (Parameters, failure message) FAILING_PARAMS_DICT = ( # Missing required option ({'foobar': {}}, 'missing required arguments: foo found in foobar'), # Invalid option ({'foobar': {"foo": "hello", "bam": "good", "invalid": "bad"}}, 'module: invalid found in foobar. Supported parameters include'), # Mutually exclusive options found ({'foobar': {"foo": "test", "bam": "bad", "bam1": "bad", "baz": "req_to"}}, 'parameters are mutually exclusive: bam|bam1 found in foobar'), # required_if fails ({'foobar': {"foo": "hello", "bar": "bad"}}, 'foo is hello but all of the following are missing: bam found in foobar'), # Missing required_one_of option ({'foobar': {"foo": "test"}}, 'one of the following is required: bar, bam found in foobar'), # Missing required_together option ({'foobar': {"foo": "test", "bar": "required_one_of", "bam1": "bad"}}, 'parameters are required together: bam1, baz found in foobar'), # Missing required_by options ({'foobar': {"foo": "test", "bar": "required_one_of", "bam4": "required_by"}}, "missing parameter(s) required by 'bam4': bam1, bam3"), ) @pytest.mark.parametrize('stdin, expected', OPTIONS_PARAMS_DICT, indirect=['stdin']) def test_options_type_dict(self, stdin, options_argspec_dict, expected): """Test that a basic creation with required and required_if works""" # should test ok, tests basic foo requirement and required_if am = basic.AnsibleModule(**options_argspec_dict) assert isinstance(am.params['foobar'], dict) assert am.params['foobar'] == expected @pytest.mark.parametrize('stdin, expected', OPTIONS_PARAMS_LIST, indirect=['stdin']) def test_options_type_list(self, stdin, options_argspec_list, expected): """Test that a basic creation with required and required_if works""" # should test ok, tests basic foo requirement and required_if am = basic.AnsibleModule(**options_argspec_list) assert isinstance(am.params['foobar'], list) assert am.params['foobar'] == expected @pytest.mark.parametrize('stdin, expected', FAILING_PARAMS_DICT, indirect=['stdin']) def test_fail_validate_options_dict(self, capfd, stdin, options_argspec_dict, expected): """Fail because one of a required_together pair of parameters has a default and the other was not specified""" with pytest.raises(SystemExit): am = basic.AnsibleModule(**options_argspec_dict) out, err = capfd.readouterr() results = json.loads(out) assert results['failed'] assert expected in results['msg'] @pytest.mark.parametrize('stdin, expected', FAILING_PARAMS_LIST, indirect=['stdin']) def test_fail_validate_options_list(self, capfd, stdin, options_argspec_list, expected): """Fail because one of a required_together pair of parameters has a default and the other was not specified""" with pytest.raises(SystemExit): am = basic.AnsibleModule(**options_argspec_list) out, err = capfd.readouterr() results = json.loads(out) assert results['failed'] assert expected in results['msg'] @pytest.mark.parametrize('stdin', [{'foobar': {'foo': 'required', 'bam1': 'test', 'bar': 'case'}}], indirect=['stdin']) def test_fallback_in_option(self, mocker, stdin, options_argspec_dict): """Test that the complex argspec works if we get a required parameter via fallback""" environ = os.environ.copy() environ['BAZ'] = 'test data' mocker.patch('ansible.module_utils.basic.os.environ', environ) am = basic.AnsibleModule(**options_argspec_dict) assert isinstance(am.params['foobar']['baz'], str) assert am.params['foobar']['baz'] == 'test data' @pytest.mark.parametrize('stdin', [{'foobar': {'foo': 'required', 'bam1': 'test', 'baz': 'data', 'bar': 'case', 'bar4': '~/test'}}], indirect=['stdin']) def test_elements_path_in_option(self, mocker, stdin, options_argspec_dict): """Test that the complex argspec works with elements path type""" am = basic.AnsibleModule(**options_argspec_dict) assert isinstance(am.params['foobar']['bar4'][0], str) assert am.params['foobar']['bar4'][0].startswith('/') @pytest.mark.parametrize('stdin,spec,expected', [ ({}, {'one': {'type': 'dict', 'apply_defaults': True, 'options': {'two': {'default': True, 'type': 'bool'}}}}, {'two': True}), ({}, {'one': {'type': 'dict', 'options': {'two': {'default': True, 'type': 'bool'}}}}, None), ], indirect=['stdin']) def test_subspec_not_required_defaults(self, stdin, spec, expected): # Check that top level not required, processed subspec defaults am = basic.AnsibleModule(spec) assert am.params['one'] == expected class TestLoadFileCommonArguments: @pytest.mark.parametrize('stdin', [{}], indirect=['stdin']) def test_smoketest_load_file_common_args(self, am): """With no file arguments, an empty dict is returned""" am.selinux_mls_enabled = MagicMock() am.selinux_mls_enabled.return_value = True am.selinux_default_context = MagicMock() am.selinux_default_context.return_value = 'unconfined_u:object_r:default_t:s0'.split(':', 3) assert am.load_file_common_arguments(params={}) == {} @pytest.mark.parametrize('stdin', [{}], indirect=['stdin']) def test_load_file_common_args(self, am, mocker): am.selinux_mls_enabled = MagicMock() am.selinux_mls_enabled.return_value = True am.selinux_default_context = MagicMock() am.selinux_default_context.return_value = 'unconfined_u:object_r:default_t:s0'.split(':', 3) base_params = dict( path='/path/to/file', mode=0o600, owner='root', group='root', seuser='_default', serole='_default', setype='_default', selevel='_default', ) extended_params = base_params.copy() extended_params.update(dict( follow=True, foo='bar', )) final_params = base_params.copy() final_params.update(dict( path='/path/to/real_file', secontext=['unconfined_u', 'object_r', 'default_t', 's0'], attributes=None, )) # with the proper params specified, the returned dictionary should represent # only those params which have something to do with the file arguments, excluding # other params and updated as required with proper values which may have been # massaged by the method mocker.patch('os.path.islink', return_value=True) mocker.patch('os.path.realpath', return_value='/path/to/real_file') res = am.load_file_common_arguments(params=extended_params) assert res == final_params