Files
neotest-python/neotest_python/pytest.py
2022-07-23 15:02:35 +01:00

100 lines
4.1 KiB
Python

from io import StringIO
from pathlib import Path
from typing import TYPE_CHECKING, Callable, Dict, List, Optional
from .base import NeotestAdapter, NeotestError, NeotestResult, NeotestResultStatus
if TYPE_CHECKING:
from _pytest.config import Config
from _pytest.reports import TestReport
class PytestNeotestAdapter(NeotestAdapter):
def get_short_output(self, config: "Config", report: "TestReport") -> Optional[str]:
from _pytest.terminal import TerminalReporter
buffer = StringIO()
# Hack to get pytest to write ANSI codes
setattr(buffer, "isatty", lambda: True)
reporter = TerminalReporter(config, buffer)
# Taked from `_pytest.terminal.TerminalReporter
msg = reporter._getfailureheadline(report)
if report.outcome == NeotestResultStatus.FAILED:
reporter.write_sep("_", msg, red=True, bold=True)
elif report.outcome == NeotestResultStatus.SKIPPED:
reporter.write_sep("_", msg, cyan=True, bold=True)
else:
reporter.write_sep("_", msg, green=True, bold=True)
reporter._outrep_summary(report)
reporter.print_teardown_sections(report)
buffer.seek(0)
return buffer.read()
def run(
self, args: List[str], stream: Callable[[str, NeotestResult], None]
) -> Dict[str, NeotestResult]:
results: Dict[str, NeotestResult] = {}
pytest_config: "Config"
from _pytest._code.code import ExceptionChainRepr
class NeotestResultCollector:
@staticmethod
def pytest_cmdline_main(config: "Config"):
nonlocal pytest_config
pytest_config = config
@staticmethod
def pytest_runtest_logreport(report: "TestReport"):
if report.when != "call" and not (
report.outcome == "skipped" and report.when == "setup"
):
return
file_path, *name_path = report.nodeid.split("::")
abs_path = str(Path(pytest_config.rootpath, file_path))
test_name, *namespaces = reversed(name_path)
valid_test_name, *params = test_name.split("[") # ]
errors: List[NeotestError] = []
short = self.get_short_output(pytest_config, report)
if report.outcome == "failed":
exc_repr = report.longrepr
# Test fails due to condition outside of test e.g. xfail
if isinstance(exc_repr, str):
errors.append({"message": exc_repr, "line": None})
# Test failed internally
elif isinstance(exc_repr, ExceptionChainRepr):
reprtraceback = exc_repr.reprtraceback
error_message = exc_repr.reprcrash.message # type: ignore
error_line = None
for repr in reversed(reprtraceback.reprentries):
if (
hasattr(repr, "reprfileloc")
and repr.reprfileloc.path == file_path
):
error_line = repr.reprfileloc.lineno - 1
errors.append({"message": error_message, "line": error_line})
else:
# TODO: Figure out how these are returned and how to represent
raise Exception(
"Unhandled error type, please report to neotest-python repo"
)
pos_id = "::".join([abs_path, *namespaces, valid_test_name])
result = self.update_result(
results.get(pos_id),
{
"short": short,
"status": NeotestResultStatus(report.outcome),
"errors": errors,
},
)
if not params:
stream(pos_id, result)
results[pos_id] = result
import pytest
pytest.main(args=args, plugins=[NeotestResultCollector])
return results