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PythonRunner: a command runner for python (#8289)
* PythonRunner: a command runner for python * add changelog frag * Update changelogs/fragments/8289-python-runner.yml Co-authored-by: Felix Fontein <felix@fontein.de> --------- Co-authored-by: Felix Fontein <felix@fontein.de>
This commit is contained in:
Alexei Znamensky
GitHub
parent
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commit
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4 changed files with 263 additions and 0 deletions
223
tests/unit/plugins/module_utils/test_python_runner.py
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tests/unit/plugins/module_utils/test_python_runner.py
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# -*- coding: utf-8 -*-
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# Copyright (c) 2024, Alexei Znamensky <russoz@gmail.com>
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# GNU General Public License v3.0+ (see LICENSES/GPL-3.0-or-later.txt or https://www.gnu.org/licenses/gpl-3.0.txt)
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# SPDX-License-Identifier: GPL-3.0-or-later
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from __future__ import (absolute_import, division, print_function)
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__metaclass__ = type
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import os
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import pytest
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from ansible_collections.community.general.tests.unit.compat.mock import MagicMock, PropertyMock
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from ansible_collections.community.general.plugins.module_utils.cmd_runner import cmd_runner_fmt
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from ansible_collections.community.general.plugins.module_utils.python_runner import PythonRunner
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TC_RUNNER = dict(
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# SAMPLE: This shows all possible elements of a test case. It does not actually run.
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#
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# testcase_name=(
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# # input
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# dict(
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# args_bundle = dict(
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# param1=dict(
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# type="int",
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# value=11,
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# fmt_func=cmd_runner_fmt.as_opt_eq_val,
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# fmt_arg="--answer",
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# ),
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# param2=dict(
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# fmt_func=cmd_runner_fmt.as_bool,
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# fmt_arg="--bb-here",
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# )
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# ),
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# runner_init_args = dict(
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# command="testing",
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# default_args_order=(),
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# check_rc=False,
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# force_lang="C",
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# path_prefix=None,
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# environ_update=None,
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# ),
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# runner_ctx_args = dict(
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# args_order=['aa', 'bb'],
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# output_process=None,
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# ignore_value_none=True,
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# ),
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# ),
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# # command execution
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# dict(
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# runner_ctx_run_args = dict(bb=True),
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# rc = 0,
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# out = "",
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# err = "",
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# ),
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# # expected
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# dict(
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# results=(),
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# run_info=dict(
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# cmd=['/mock/bin/testing', '--answer=11', '--bb-here'],
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# environ_update={'LANGUAGE': 'C', 'LC_ALL': 'C'},
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# ),
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# exc=None,
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# ),
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# ),
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#
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aa_bb=(
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dict(
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args_bundle=dict(
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aa=dict(type="int", value=11, fmt_func=cmd_runner_fmt.as_opt_eq_val, fmt_arg="--answer"),
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bb=dict(fmt_func=cmd_runner_fmt.as_bool, fmt_arg="--bb-here"),
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),
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runner_init_args=dict(command="testing"),
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runner_ctx_args=dict(args_order=['aa', 'bb']),
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),
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dict(runner_ctx_run_args=dict(bb=True), rc=0, out="", err=""),
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dict(
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run_info=dict(
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cmd=['/mock/bin/python', 'testing', '--answer=11', '--bb-here'],
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environ_update={'LANGUAGE': 'C', 'LC_ALL': 'C'},
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args_order=('aa', 'bb'),
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),
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),
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),
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aa_bb_py3=(
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dict(
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args_bundle=dict(
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aa=dict(type="int", value=11, fmt_func=cmd_runner_fmt.as_opt_eq_val, fmt_arg="--answer"),
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bb=dict(fmt_func=cmd_runner_fmt.as_bool, fmt_arg="--bb-here"),
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),
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runner_init_args=dict(command="toasting", python="python3"),
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runner_ctx_args=dict(args_order=['aa', 'bb']),
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),
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dict(runner_ctx_run_args=dict(bb=True), rc=0, out="", err=""),
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dict(
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run_info=dict(
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cmd=['/mock/bin/python3', 'toasting', '--answer=11', '--bb-here'],
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environ_update={'LANGUAGE': 'C', 'LC_ALL': 'C'},
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args_order=('aa', 'bb'),
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),
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),
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),
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aa_bb_abspath=(
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dict(
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args_bundle=dict(
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aa=dict(type="int", value=11, fmt_func=cmd_runner_fmt.as_opt_eq_val, fmt_arg="--answer"),
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bb=dict(fmt_func=cmd_runner_fmt.as_bool, fmt_arg="--bb-here"),
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),
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runner_init_args=dict(command="toasting", python="/crazy/local/bin/python3"),
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runner_ctx_args=dict(args_order=['aa', 'bb']),
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),
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dict(runner_ctx_run_args=dict(bb=True), rc=0, out="", err=""),
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dict(
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run_info=dict(
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cmd=['/crazy/local/bin/python3', 'toasting', '--answer=11', '--bb-here'],
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environ_update={'LANGUAGE': 'C', 'LC_ALL': 'C'},
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args_order=('aa', 'bb'),
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),
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),
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),
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aa_bb_venv=(
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dict(
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args_bundle=dict(
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aa=dict(type="int", value=11, fmt_func=cmd_runner_fmt.as_opt_eq_val, fmt_arg="--answer"),
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bb=dict(fmt_func=cmd_runner_fmt.as_bool, fmt_arg="--bb-here"),
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),
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runner_init_args=dict(command="toasting", venv="/venv"),
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runner_ctx_args=dict(args_order=['aa', 'bb']),
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),
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dict(runner_ctx_run_args=dict(bb=True), rc=0, out="", err=""),
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dict(
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run_info=dict(
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cmd=['/venv/bin/python', 'toasting', '--answer=11', '--bb-here'],
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environ_update={'LANGUAGE': 'C', 'LC_ALL': 'C', 'VIRTUAL_ENV': '/venv', 'PATH': '/venv/bin'},
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args_order=('aa', 'bb'),
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),
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),
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),
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)
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TC_RUNNER_IDS = sorted(TC_RUNNER.keys())
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@pytest.mark.parametrize('runner_input, cmd_execution, expected',
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(TC_RUNNER[tc] for tc in TC_RUNNER_IDS),
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ids=TC_RUNNER_IDS)
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def test_runner_context(runner_input, cmd_execution, expected):
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arg_spec = {}
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params = {}
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arg_formats = {}
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for k, v in runner_input['args_bundle'].items():
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try:
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arg_spec[k] = {'type': v['type']}
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except KeyError:
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pass
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try:
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params[k] = v['value']
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except KeyError:
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pass
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try:
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arg_formats[k] = v['fmt_func'](v['fmt_arg'])
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except KeyError:
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pass
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orig_results = tuple(cmd_execution[x] for x in ('rc', 'out', 'err'))
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print("arg_spec={0}\nparams={1}\narg_formats={2}\n".format(
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arg_spec,
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params,
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arg_formats,
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))
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module = MagicMock()
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type(module).argument_spec = PropertyMock(return_value=arg_spec)
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type(module).params = PropertyMock(return_value=params)
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module.get_bin_path.return_value = os.path.join(
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runner_input["runner_init_args"].get("venv", "/mock"),
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"bin",
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runner_input["runner_init_args"].get("python", "python")
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)
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module.run_command.return_value = orig_results
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runner = PythonRunner(
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module=module,
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arg_formats=arg_formats,
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**runner_input['runner_init_args']
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)
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def _extract_path(run_info):
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path = run_info.get("environ_update", {}).get("PATH")
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if path is not None:
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run_info["environ_update"] = dict((k, v)
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for k, v in run_info["environ_update"].items()
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if k != "PATH")
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return run_info, path
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def _assert_run_info_env_path(actual, expected):
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actual2 = set(actual.split(":"))
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assert expected in actual2, "Missing expected path {0} in output PATH: {1}".format(expected, actual)
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def _assert_run_info(actual, expected):
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reduced = dict((k, actual[k]) for k in expected.keys())
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reduced, act_path = _extract_path(reduced)
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expected, exp_path = _extract_path(expected)
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if exp_path is not None:
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_assert_run_info_env_path(act_path, exp_path)
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assert reduced == expected, "{0}".format(reduced)
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def _assert_run(expected, ctx, results):
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_assert_run_info(ctx.run_info, expected['run_info'])
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assert results == expected.get('results', orig_results)
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exc = expected.get("exc")
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if exc:
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with pytest.raises(exc):
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with runner.context(**runner_input['runner_ctx_args']) as ctx:
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results = ctx.run(**cmd_execution['runner_ctx_run_args'])
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_assert_run(expected, ctx, results)
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else:
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with runner.context(**runner_input['runner_ctx_args']) as ctx:
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results = ctx.run(**cmd_execution['runner_ctx_run_args'])
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_assert_run(expected, ctx, results)
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