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community.general/tests/unit/plugins/module_utils/test_cmd_runner.py
Alexei Znamensky 7d72300c36
add cmd_runner_fmt.stack decorator (#8415) 
* add cmd_runner_fmt.stack decorator

* fix sanity

* fix typo

* add changelog frag
2024-06-01 22:44:50 +02:00

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Python
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# -*- coding: utf-8 -*-
# Copyright (c) 2022, Alexei Znamensky <russoz@gmail.com>
# GNU General Public License v3.0+ (see LICENSES/GPL-3.0-or-later.txt or https://www.gnu.org/licenses/gpl-3.0.txt)
# SPDX-License-Identifier: GPL-3.0-or-later
from __future__ import (absolute_import, division, print_function)
__metaclass__ = type
from sys import version_info
from functools import partial
import pytest
from ansible_collections.community.general.tests.unit.compat.mock import MagicMock, PropertyMock
from ansible_collections.community.general.plugins.module_utils.cmd_runner import CmdRunner, cmd_runner_fmt
TC_FORMATS = dict(
simple_boolean__true=(partial(cmd_runner_fmt.as_bool, "--superflag"), True, ["--superflag"], None),
simple_boolean__false=(partial(cmd_runner_fmt.as_bool, "--superflag"), False, [], None),
simple_boolean__none=(partial(cmd_runner_fmt.as_bool, "--superflag"), None, [], None),
simple_boolean_both__true=(partial(cmd_runner_fmt.as_bool, "--superflag", "--falseflag"), True, ["--superflag"], None),
simple_boolean_both__false=(partial(cmd_runner_fmt.as_bool, "--superflag", "--falseflag"), False, ["--falseflag"], None),
simple_boolean_both__none=(partial(cmd_runner_fmt.as_bool, "--superflag", "--falseflag"), None, ["--falseflag"], None),
simple_boolean_both__none_ig=(partial(cmd_runner_fmt.as_bool, "--superflag", "--falseflag", True), None, [], None),
simple_boolean_not__true=(partial(cmd_runner_fmt.as_bool_not, "--superflag"), True, [], None),
simple_boolean_not__false=(partial(cmd_runner_fmt.as_bool_not, "--superflag"), False, ["--superflag"], None),
simple_boolean_not__none=(partial(cmd_runner_fmt.as_bool_not, "--superflag"), None, ["--superflag"], None),
simple_optval__str=(partial(cmd_runner_fmt.as_optval, "-t"), "potatoes", ["-tpotatoes"], None),
simple_optval__int=(partial(cmd_runner_fmt.as_optval, "-t"), 42, ["-t42"], None),
simple_opt_val__str=(partial(cmd_runner_fmt.as_opt_val, "-t"), "potatoes", ["-t", "potatoes"], None),
simple_opt_val__int=(partial(cmd_runner_fmt.as_opt_val, "-t"), 42, ["-t", "42"], None),
simple_opt_eq_val__str=(partial(cmd_runner_fmt.as_opt_eq_val, "--food"), "potatoes", ["--food=potatoes"], None),
simple_opt_eq_val__int=(partial(cmd_runner_fmt.as_opt_eq_val, "--answer"), 42, ["--answer=42"], None),
simple_list_potato=(cmd_runner_fmt.as_list, "literal_potato", ["literal_potato"], None),
simple_list_42=(cmd_runner_fmt.as_list, 42, ["42"], None),
simple_list_min_len_ok=(partial(cmd_runner_fmt.as_list, min_len=1), 42, ["42"], None),
simple_list_min_len_fail=(partial(cmd_runner_fmt.as_list, min_len=10), 42, None, ValueError),
simple_list_max_len_ok=(partial(cmd_runner_fmt.as_list, max_len=1), 42, ["42"], None),
simple_list_max_len_fail=(partial(cmd_runner_fmt.as_list, max_len=2), [42, 42, 42], None, ValueError),
simple_map=(partial(cmd_runner_fmt.as_map, {'a': 1, 'b': 2, 'c': 3}), 'b', ["2"], None),
simple_default_type__list=(partial(cmd_runner_fmt.as_default_type, "list"), [1, 2, 3, 5, 8], ["--1", "--2", "--3", "--5", "--8"], None),
simple_default_type__bool_true=(partial(cmd_runner_fmt.as_default_type, "bool", "what"), True, ["--what"], None),
simple_default_type__bool_false=(partial(cmd_runner_fmt.as_default_type, "bool", "what"), False, [], None),
simple_default_type__potato=(partial(cmd_runner_fmt.as_default_type, "any-other-type", "potato"), "42", ["--potato", "42"], None),
simple_fixed_true=(partial(cmd_runner_fmt.as_fixed, ["--always-here", "--forever"]), True, ["--always-here", "--forever"], None),
simple_fixed_false=(partial(cmd_runner_fmt.as_fixed, ["--always-here", "--forever"]), False, ["--always-here", "--forever"], None),
simple_fixed_none=(partial(cmd_runner_fmt.as_fixed, ["--always-here", "--forever"]), None, ["--always-here", "--forever"], None),
simple_fixed_str=(partial(cmd_runner_fmt.as_fixed, ["--always-here", "--forever"]), "something", ["--always-here", "--forever"], None),
stack_optval__str=(partial(cmd_runner_fmt.stack(cmd_runner_fmt.as_optval), "-t"), ["potatoes", "bananas"], ["-tpotatoes", "-tbananas"], None),
stack_opt_val__str=(partial(cmd_runner_fmt.stack(cmd_runner_fmt.as_opt_val), "-t"), ["potatoes", "bananas"], ["-t", "potatoes", "-t", "bananas"], None),
stack_opt_eq_val__int=(partial(cmd_runner_fmt.stack(cmd_runner_fmt.as_opt_eq_val), "--answer"), [42, 17], ["--answer=42", "--answer=17"], None),
)
if tuple(version_info) >= (3, 1):
from collections import OrderedDict
# needs OrderedDict to provide a consistent key order
TC_FORMATS["simple_default_type__dict"] = ( # type: ignore
partial(cmd_runner_fmt.as_default_type, "dict"),
OrderedDict((('a', 1), ('b', 2))),
["--a=1", "--b=2"],
None
)
TC_FORMATS_IDS = sorted(TC_FORMATS.keys())
@pytest.mark.parametrize('func, value, expected, exception',
(TC_FORMATS[tc] for tc in TC_FORMATS_IDS),
ids=TC_FORMATS_IDS)
def test_arg_format(func, value, expected, exception):
fmt_func = func()
try:
actual = fmt_func(value)
print("formatted string = {0}".format(actual))
assert actual == expected, "actual = {0}".format(actual)
except Exception as e:
if exception is None:
raise
assert isinstance(e, exception)
TC_RUNNER = dict(
# SAMPLE: This shows all possible elements of a test case. It does not actually run.
#
# testcase_name=(
# # input
# dict(
# args_bundle = dict(
# param1=dict(
# type="int",
# value=11,
# fmt_func=cmd_runner_fmt.as_opt_eq_val,
# fmt_arg="--answer",
# ),
# param2=dict(
# fmt_func=cmd_runner_fmt.as_bool,
# fmt_arg="--bb-here",
# )
# ),
# runner_init_args = dict(
# command="testing",
# default_args_order=(),
# check_rc=False,
# force_lang="C",
# path_prefix=None,
# environ_update=None,
# ),
# runner_ctx_args = dict(
# args_order=['aa', 'bb'],
# output_process=None,
# ignore_value_none=True,
# ),
# ),
# # command execution
# dict(
# runner_ctx_run_args = dict(bb=True),
# rc = 0,
# out = "",
# err = "",
# ),
# # expected
# dict(
# results=(),
# run_info=dict(
# cmd=['/mock/bin/testing', '--answer=11', '--bb-here'],
# environ_update={'LANGUAGE': 'C', 'LC_ALL': 'C'},
# ),
# exc=None,
# ),
# ),
#
aa_bb=(
dict(
args_bundle=dict(
aa=dict(type="int", value=11, fmt_func=cmd_runner_fmt.as_opt_eq_val, fmt_arg="--answer"),
bb=dict(fmt_func=cmd_runner_fmt.as_bool, fmt_arg="--bb-here"),
),
runner_init_args=dict(),
runner_ctx_args=dict(args_order=['aa', 'bb']),
),
dict(runner_ctx_run_args=dict(bb=True), rc=0, out="", err=""),
dict(
run_info=dict(
cmd=['/mock/bin/testing', '--answer=11', '--bb-here'],
environ_update={'LANGUAGE': 'C', 'LC_ALL': 'C'},
args_order=('aa', 'bb'),
),
),
),
aa_bb_default_order=(
dict(
args_bundle=dict(
aa=dict(type="int", value=11, fmt_func=cmd_runner_fmt.as_opt_eq_val, fmt_arg="--answer"),
bb=dict(fmt_func=cmd_runner_fmt.as_bool, fmt_arg="--bb-here"),
),
runner_init_args=dict(default_args_order=['bb', 'aa']),
runner_ctx_args=dict(),
),
dict(runner_ctx_run_args=dict(bb=True), rc=0, out="", err=""),
dict(
run_info=dict(
cmd=['/mock/bin/testing', '--bb-here', '--answer=11'],
environ_update={'LANGUAGE': 'C', 'LC_ALL': 'C'},
args_order=('bb', 'aa'),
),
),
),
aa_bb_default_order_args_order=(
dict(
args_bundle=dict(
aa=dict(type="int", value=11, fmt_func=cmd_runner_fmt.as_opt_eq_val, fmt_arg="--answer"),
bb=dict(fmt_func=cmd_runner_fmt.as_bool, fmt_arg="--bb-here"),
),
runner_init_args=dict(default_args_order=['bb', 'aa']),
runner_ctx_args=dict(args_order=['aa', 'bb']),
),
dict(runner_ctx_run_args=dict(bb=True), rc=0, out="", err=""),
dict(
run_info=dict(
cmd=['/mock/bin/testing', '--answer=11', '--bb-here'],
environ_update={'LANGUAGE': 'C', 'LC_ALL': 'C'},
args_order=('aa', 'bb'),
),
),
),
aa_bb_dup_in_args_order=(
dict(
args_bundle=dict(
aa=dict(type="int", value=11, fmt_func=cmd_runner_fmt.as_opt_eq_val, fmt_arg="--answer"),
bb=dict(fmt_func=cmd_runner_fmt.as_bool, fmt_arg="--bb-here"),
),
runner_init_args=dict(),
runner_ctx_args=dict(args_order=['aa', 'bb', 'aa']),
),
dict(runner_ctx_run_args=dict(bb=True), rc=0, out="", err=""),
dict(
run_info=dict(
cmd=['/mock/bin/testing', '--answer=11', '--bb-here', '--answer=11'],
),
),
),
aa_bb_process_output=(
dict(
args_bundle=dict(
aa=dict(type="int", value=11, fmt_func=cmd_runner_fmt.as_opt_eq_val, fmt_arg="--answer"),
bb=dict(fmt_func=cmd_runner_fmt.as_bool, fmt_arg="--bb-here"),
),
runner_init_args=dict(default_args_order=['bb', 'aa']),
runner_ctx_args=dict(
args_order=['aa', 'bb'],
output_process=lambda rc, out, err: '-/-'.join([str(rc), out, err])
),
),
dict(runner_ctx_run_args=dict(bb=True), rc=0, out="ni", err="nu"),
dict(
run_info=dict(
cmd=['/mock/bin/testing', '--answer=11', '--bb-here'],
),
results="0-/-ni-/-nu"
),
),
aa_bb_ignore_none_with_none=(
dict(
args_bundle=dict(
aa=dict(type="int", value=49, fmt_func=cmd_runner_fmt.as_opt_eq_val, fmt_arg="--answer"),
bb=dict(fmt_func=cmd_runner_fmt.as_bool, fmt_arg="--bb-here"),
),
runner_init_args=dict(default_args_order=['bb', 'aa']),
runner_ctx_args=dict(
args_order=['aa', 'bb'],
ignore_value_none=True, # default
),
),
dict(runner_ctx_run_args=dict(bb=None), rc=0, out="ni", err="nu"),
dict(
run_info=dict(
cmd=['/mock/bin/testing', '--answer=49'],
),
),
),
aa_bb_ignore_not_none_with_none=(
dict(
args_bundle=dict(
aa=dict(type="int", value=49, fmt_func=cmd_runner_fmt.as_opt_eq_val, fmt_arg="--answer"),
bb=dict(fmt_func=cmd_runner_fmt.as_bool, fmt_arg="--bb-here"),
),
runner_init_args=dict(default_args_order=['bb', 'aa']),
runner_ctx_args=dict(
args_order=['aa', 'bb'],
ignore_value_none=False,
),
),
dict(runner_ctx_run_args=dict(aa=None, bb=True), rc=0, out="ni", err="nu"),
dict(
run_info=dict(
cmd=['/mock/bin/testing', '--answer=None', '--bb-here'],
),
),
),
aa_bb_fixed=(
dict(
args_bundle=dict(
aa=dict(type="int", value=11, fmt_func=cmd_runner_fmt.as_opt_eq_val, fmt_arg="--answer"),
bb=dict(fmt_func=cmd_runner_fmt.as_fixed, fmt_arg=["fixed", "args"]),
),
runner_init_args=dict(),
runner_ctx_args=dict(args_order=['aa', 'bb']),
),
dict(runner_ctx_run_args=dict(), rc=0, out="", err=""),
dict(
run_info=dict(
cmd=['/mock/bin/testing', '--answer=11', 'fixed', 'args'],
environ_update={'LANGUAGE': 'C', 'LC_ALL': 'C'},
args_order=('aa', 'bb'),
),
),
),
aa_bb_map=(
dict(
args_bundle=dict(
aa=dict(type="int", value=11, fmt_func=cmd_runner_fmt.as_opt_eq_val, fmt_arg="--answer"),
bb=dict(fmt_func=cmd_runner_fmt.as_map, fmt_arg={"v1": 111, "v2": 222}),
),
runner_init_args=dict(),
runner_ctx_args=dict(args_order=['aa', 'bb']),
),
dict(runner_ctx_run_args=dict(bb="v2"), rc=0, out="", err=""),
dict(
run_info=dict(
cmd=['/mock/bin/testing', '--answer=11', '222'],
environ_update={'LANGUAGE': 'C', 'LC_ALL': 'C'},
args_order=('aa', 'bb'),
),
),
),
aa_bb_map_default=(
dict(
args_bundle=dict(
aa=dict(type="int", value=11, fmt_func=cmd_runner_fmt.as_opt_eq_val, fmt_arg="--answer"),
bb=dict(fmt_func=cmd_runner_fmt.as_map, fmt_arg={"v1": 111, "v2": 222}),
),
runner_init_args=dict(),
runner_ctx_args=dict(args_order=['aa', 'bb']),
),
dict(runner_ctx_run_args=dict(bb="v123456789"), rc=0, out="", err=""),
dict(
run_info=dict(
cmd=['/mock/bin/testing', '--answer=11'],
environ_update={'LANGUAGE': 'C', 'LC_ALL': 'C'},
args_order=('aa', 'bb'),
),
),
),
)
TC_RUNNER_IDS = sorted(TC_RUNNER.keys())
@pytest.mark.parametrize('runner_input, cmd_execution, expected',
(TC_RUNNER[tc] for tc in TC_RUNNER_IDS),
ids=TC_RUNNER_IDS)
def test_runner_context(runner_input, cmd_execution, expected):
arg_spec = {}
params = {}
arg_formats = {}
for k, v in runner_input['args_bundle'].items():
try:
arg_spec[k] = {'type': v['type']}
except KeyError:
pass
try:
params[k] = v['value']
except KeyError:
pass
try:
arg_formats[k] = v['fmt_func'](v['fmt_arg'])
except KeyError:
pass
orig_results = tuple(cmd_execution[x] for x in ('rc', 'out', 'err'))
print("arg_spec={0}\nparams={1}\narg_formats={2}\n".format(
arg_spec,
params,
arg_formats,
))
module = MagicMock()
type(module).argument_spec = PropertyMock(return_value=arg_spec)
type(module).params = PropertyMock(return_value=params)
module.get_bin_path.return_value = '/mock/bin/testing'
module.run_command.return_value = orig_results
runner = CmdRunner(
module=module,
command="testing",
arg_formats=arg_formats,
**runner_input['runner_init_args']
)
def _assert_run_info(actual, expected):
reduced = dict((k, actual[k]) for k in expected.keys())
assert reduced == expected, "{0}".format(reduced)
def _assert_run(runner_input, cmd_execution, expected, ctx, results):
_assert_run_info(ctx.run_info, expected['run_info'])
assert results == expected.get('results', orig_results)
exc = expected.get("exc")
if exc:
with pytest.raises(exc):
with runner.context(**runner_input['runner_ctx_args']) as ctx:
results = ctx.run(**cmd_execution['runner_ctx_run_args'])
_assert_run(runner_input, cmd_execution, expected, ctx, results)
with pytest.raises(exc):
with runner(**runner_input['runner_ctx_args']) as ctx2:
results2 = ctx2.run(**cmd_execution['runner_ctx_run_args'])
_assert_run(runner_input, cmd_execution, expected, ctx2, results2)
else:
with runner.context(**runner_input['runner_ctx_args']) as ctx:
results = ctx.run(**cmd_execution['runner_ctx_run_args'])
_assert_run(runner_input, cmd_execution, expected, ctx, results)
with runner(**runner_input['runner_ctx_args']) as ctx2:
results2 = ctx2.run(**cmd_execution['runner_ctx_run_args'])
_assert_run(runner_input, cmd_execution, expected, ctx2, results2)
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