nf-core_modules/tests/test_versions_yml.py

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from pathlib import Path
import pytest
import yaml
import re
def _get_workflow_names():
"""Get all names of all workflows which have a test.yml in the tests directory.
To do so, recursively finds all test.yml files and parses their content.
"""
here = Path(__file__).parent.resolve()
pytest_workflow_files = here.glob("**/test.yml")
for f in pytest_workflow_files:
test_config = yaml.safe_load(f.read_text())
for workflow in test_config:
yield workflow["name"]
@pytest.mark.workflow(*_get_workflow_names())
def test_ensure_valid_version_yml(workflow_dir):
workflow_dir = Path(workflow_dir)
software_name = workflow_dir.name.split("_")[0].lower()
versions_yml = (workflow_dir / f"output/{software_name}/versions.yml").read_text()
assert (
"END_VERSIONS" not in versions_yml
), "END_VERSIONS detected in versions.yml. END_VERSIONS being in the text is a sign of an ill-formatted HEREDOC"
# Raises an exception if yaml is not valid
versions = yaml.safe_load(versions_yml)
try:
software_versions = versions[software_name.upper()]
except KeyError:
raise AssertionError("There is no entry `<SOFTWARE>` in versions.yml. ")
assert len(software_versions), "There must be at least one version emitted."
for tool, version in software_versions.items():
assert re.match(
r"^\d+.*", str(version)
), f"Version number for {tool} must start with a number. "