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Add pytest-examples and make examples in docs testable
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Original file line number | Diff line number | Diff line change |
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@@ -2,3 +2,4 @@ coverage[toml] | |
pytest | ||
pytest-mock | ||
pytest-sugar | ||
pytest-examples |
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Original file line number | Diff line number | Diff line change |
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@@ -0,0 +1,123 @@ | ||
from __future__ import annotations as _annotations | ||
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import os | ||
import platform | ||
import re | ||
import subprocess | ||
import sys | ||
from datetime import datetime | ||
from pathlib import Path | ||
from tempfile import NamedTemporaryFile | ||
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import pytest | ||
from pydantic.errors import PydanticErrorCodes | ||
from pytest_examples import CodeExample, EvalExample, find_examples | ||
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INDEX_MAIN = None | ||
DOCS_ROOT = Path(__file__).parent.parent / 'docs' | ||
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def skip_docs_tests(): | ||
if sys.platform not in {'linux', 'darwin'}: | ||
return 'not in linux or macos' | ||
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if platform.python_implementation() != 'CPython': | ||
return 'not cpython' | ||
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class GroupModuleGlobals: | ||
def __init__(self) -> None: | ||
self.name = None | ||
self.module_dict: dict[str, str] = {} | ||
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def get(self, name: str | None): | ||
if name is not None and name == self.name: | ||
return self.module_dict | ||
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def set(self, name: str | None, module_dict: dict[str, str]): | ||
self.name = name | ||
if self.name is None: | ||
self.module_dict = None | ||
else: | ||
self.module_dict = module_dict | ||
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group_globals = GroupModuleGlobals() | ||
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skip_reason = skip_docs_tests() | ||
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def print_callback(print_statement: str) -> str: | ||
return re.sub(r'(https://errors.pydantic.dev)/.+?/', r'\1/2/', print_statement) | ||
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@pytest.mark.filterwarnings('ignore:(parse_obj_as|schema_json_of|schema_of) is deprecated.*:DeprecationWarning') | ||
@pytest.mark.skipif(bool(skip_reason), reason=skip_reason or 'not skipping') | ||
@pytest.mark.parametrize('example', find_examples(str(DOCS_ROOT), skip=sys.platform == 'win32'), ids=str) | ||
def test_docs_examples(example: CodeExample, eval_example: EvalExample, tmp_path: Path, mocker): # noqa: C901 | ||
global INDEX_MAIN | ||
if example.path.name == 'index.md': | ||
if INDEX_MAIN is None: | ||
INDEX_MAIN = example.source | ||
else: | ||
(tmp_path / 'index_main.py').write_text(INDEX_MAIN) | ||
sys.path.append(str(tmp_path)) | ||
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if example.path.name == 'devtools.md': | ||
pytest.skip('tested below') | ||
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eval_example.print_callback = print_callback | ||
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prefix_settings = example.prefix_settings() | ||
test_settings = prefix_settings.get('test') | ||
lint_settings = prefix_settings.get('lint') | ||
if test_settings == 'skip' and lint_settings == 'skip': | ||
pytest.skip('both test and lint skipped') | ||
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requires_settings = prefix_settings.get('requires') | ||
if requires_settings: | ||
major, minor = map(int, requires_settings.split('.')) | ||
if sys.version_info < (major, minor): | ||
pytest.skip(f'requires python {requires_settings}') | ||
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group_name = prefix_settings.get('group') | ||
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if '# ignore-above' in example.source: | ||
eval_example.set_config(ruff_ignore=['E402']) | ||
if group_name: | ||
eval_example.set_config(ruff_ignore=['F821']) | ||
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eval_example.set_config(line_length=120) | ||
if lint_settings != 'skip': | ||
if eval_example.update_examples: | ||
eval_example.format(example) | ||
else: | ||
eval_example.lint(example) | ||
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if test_settings == 'skip': | ||
return | ||
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group_name = prefix_settings.get('group') | ||
d = group_globals.get(group_name) | ||
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xfail = None | ||
if test_settings and test_settings.startswith('xfail'): | ||
xfail = test_settings[5:].lstrip(' -') | ||
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rewrite_assertions = prefix_settings.get('rewrite_assert', 'true') == 'true' | ||
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try: | ||
if test_settings == 'no-print-intercept': | ||
d2 = eval_example.run(example, module_globals=d, rewrite_assertions=rewrite_assertions) | ||
elif eval_example.update_examples: | ||
d2 = eval_example.run_print_update(example, module_globals=d, rewrite_assertions=rewrite_assertions) | ||
else: | ||
d2 = eval_example.run_print_check(example, module_globals=d, rewrite_assertions=rewrite_assertions) | ||
except BaseException as e: # run_print_check raises a BaseException | ||
if xfail: | ||
pytest.xfail(f'{xfail}, {type(e).__name__}: {e}') | ||
raise | ||
else: | ||
if xfail: | ||
pytest.fail('expected xfail') | ||
group_globals.set(group_name, d2) |