cloud-foundation-fabric/tests/examples/conftest.py

76 lines
2.5 KiB
Python

# Copyright 2023 Google LLC
#
# Licensed under the Apache License, Version 2.0 (the "License");
# you may not use this file except in compliance with the License.
# You may obtain a copy of the License at
#
# http://www.apache.org/licenses/LICENSE-2.0
#
# Unless required by applicable law or agreed to in writing, software
# distributed under the License is distributed on an "AS IS" BASIS,
# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
# See the License for the specific language governing permissions and
# limitations under the License.
"""Pytest configuration for testing code examples."""
import collections
import re
from pathlib import Path
import marko
FABRIC_ROOT = Path(__file__).parents[2]
FILE_TEST_RE = re.compile(r'# tftest-file +id=([\w_.-]+) +path=([\S]+)')
Example = collections.namedtuple('Example', 'name code module files')
File = collections.namedtuple('File', 'path content')
def pytest_generate_tests(metafunc):
"""Find all README.md files and collect code examples tagged for testing."""
if 'example' in metafunc.fixturenames:
readmes = FABRIC_ROOT.glob('**/README.md')
examples = []
ids = []
for readme in readmes:
module = readme.parent
doc = marko.parse(readme.read_text())
index = 0
files = collections.defaultdict(dict)
# first pass: collect all examples tagged with tftest-file
last_header = None
for child in doc.children:
if isinstance(child, marko.block.FencedCode):
code = child.children[0].children
match = FILE_TEST_RE.search(code)
if match:
name, path = match.groups()
files[last_header][name] = File(path, code)
elif isinstance(child, marko.block.Heading):
last_header = child.children[0].children
# second pass: collect all examples tagged with tftest
last_header = None
index = 0
for child in doc.children:
if isinstance(child, marko.block.FencedCode):
index += 1
code = child.children[0].children
if 'tftest skip' in code:
continue
if child.lang == 'hcl':
path = module.relative_to(FABRIC_ROOT)
name = f'{path}:{last_header}'
if index > 1:
name += f' {index}'
ids.append(name)
examples.append(Example(name, code, path, files[last_header]))
elif isinstance(child, marko.block.Heading):
last_header = child.children[0].children
index = 0
metafunc.parametrize('example', examples, ids=ids)