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ansible/test/units/parsing/yaml/test_dumper.py

139 lines
4.3 KiB
Python

# coding: utf-8
# This file is part of Ansible
#
# Ansible is free software: you can redistribute it and/or modify
# it under the terms of the GNU General Public License as published by
# the Free Software Foundation, either version 3 of the License, or
# (at your option) any later version.
#
# Ansible is distributed in the hope that it will be useful,
# but WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
# GNU General Public License for more details.
#
# You should have received a copy of the GNU General Public License
# along with Ansible. If not, see <http://www.gnu.org/licenses/>.
from __future__ import annotations
import io
import pytest
import typing as t
import unittest
import pytest_mock
import yaml
from ansible.module_utils._internal._datatag import Tripwire
from ansible.module_utils._internal._datatag._tags import Deprecated
from ansible.parsing import vault
from ansible._internal._datatag._tags import VaultedValue, TrustedAsTemplate
from ansible.parsing.yaml.loader import AnsibleLoader
from ansible.parsing.yaml.dumper import AnsibleDumper
from ansible.plugins.filter.core import to_yaml, to_nice_yaml
from ansible._internal._templating._jinja_bits import _DEFAULT_UNDEF
from ansible._internal._templating._jinja_common import MarkerError
from ...mock.custom_types import CustomMapping, CustomSequence
from units.mock.yaml_helper import YamlTestUtils
from units.mock.vault_helper import TextVaultSecret
class TestAnsibleDumper(unittest.TestCase, YamlTestUtils):
def setUp(self):
self.vault_password = "hunter42"
vault_secret = TextVaultSecret(self.vault_password)
self.vault_secrets = [('vault_secret', vault_secret)]
self.good_vault = vault.VaultLib(self.vault_secrets)
self.vault = self.good_vault
self.stream = self._build_stream()
self.dumper = AnsibleDumper
def _build_stream(self, yaml_text=None):
text = yaml_text or u''
stream = io.StringIO(text)
return stream
def _loader(self, stream):
return AnsibleLoader(stream)
def test_bytes(self):
b_text = u'tréma'.encode('utf-8')
unsafe_object = TrustedAsTemplate().tag(b_text)
yaml_out = self._dump_string(unsafe_object, dumper=self.dumper)
stream = self._build_stream(yaml_out)
data_from_yaml = yaml.load(stream, Loader=AnsibleLoader)
result = b_text
self.assertEqual(result, data_from_yaml)
def test_unicode(self):
u_text = u'nöel'
unsafe_object = TrustedAsTemplate().tag(u_text)
yaml_out = self._dump_string(unsafe_object, dumper=self.dumper)
stream = self._build_stream(yaml_out)
data_from_yaml = yaml.load(stream, Loader=AnsibleLoader)
self.assertEqual(u_text, data_from_yaml)
def test_undefined(self):
with pytest.raises(MarkerError):
self._dump_string(_DEFAULT_UNDEF, dumper=self.dumper)
@pytest.mark.parametrize("filter_impl, expected_output", [
(to_yaml, "!vault |-\n ciphertext\n"),
(to_nice_yaml, "!vault |-\n ciphertext\n"),
])
def test_vaulted_value_dump(
filter_impl: t.Callable,
expected_output: str,
mocker: pytest_mock.MockerFixture
) -> None:
"""Validate that strings tagged VaultedValue are represented properly."""
value = VaultedValue(ciphertext="ciphertext").tag("secret plaintext")
from ansible.utils.display import Display
_deprecated_spy = mocker.spy(Display(), 'deprecated')
res = filter_impl(value)
assert res == expected_output
_test_tag = Deprecated(msg="test")
@pytest.mark.parametrize("value, expected", (
(CustomMapping(dict(a=1)), "a: 1"),
(CustomSequence([1]), "- 1"),
(_test_tag.tag(dict(a=1)), "a: 1"),
(_test_tag.tag([1]), "- 1"),
(_test_tag.tag(1), "1"),
(_test_tag.tag("Ansible"), "Ansible"),
))
def test_dump(value: t.Any, expected: str) -> None:
"""Verify supported types can be dumped."""
result = yaml.dump(value, Dumper=AnsibleDumper).strip()
assert result == expected
def test_dump_tripwire() -> None:
"""Verify dumping a tripwire trips it."""
class Tripped(Exception):
pass
class CustomTripwire(Tripwire):
def trip(self) -> t.NoReturn:
raise Tripped()
with pytest.raises(Tripped):
yaml.dump(CustomTripwire(), Dumper=AnsibleDumper)