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tests: cleanup and ci hardening (#2397)

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* tests: refactor and cleanup

* refactor: more consistent

* tests: vendor six

* tests: more xfails, nicer system

* tests: simplify to info

* tests: suggestions from @YannickJadoul and @bstaletic

* tests: restore some pypy tests that now pass

* tests: rename info to env

* tests: strict False/True

* tests: drop explicit strict=True again

* tests: reduce minimum PyTest to 3.1
This commit is contained in:
Henry Schreiner
2020-08-16 16:02:12 -04:00
committed by GitHub
parent 3618bea2aa
commit 4d9024ec71
26 changed files with 158 additions and 171 deletions
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77
tests/conftest.py
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@@ -5,24 +5,21 @@ Extends output capture as needed by pybind11: ignore constructors, optional unor
Adds docstring and exceptions message sanitizers: ignore Python 2 vs 3 differences.
"""
import pytest
import textwrap
import difflib
import re
import sys
import contextlib
import platform
import difflib
import gc
import re
import textwrap
import pytest
# Early diagnostic for failed imports
import pybind11_tests # noqa: F401
_unicode_marker = re.compile(r'u(\'[^\']*\')')
_long_marker = re.compile(r'([0-9])L')
_hexadecimal = re.compile(r'0x[0-9a-fA-F]+')
# test_async.py requires support for async and await
collect_ignore = []
if sys.version_info[:2] < (3, 5):
collect_ignore.append("test_async.py")
def _strip_and_dedent(s):
"""For triple-quote strings"""
@@ -192,63 +189,5 @@ def gc_collect():
def pytest_configure():
"""Add import suppression and test requirements to `pytest` namespace"""
try:
import numpy as np
except ImportError:
np = None
try:
import scipy
except ImportError:
scipy = None
try:
from pybind11_tests.eigen import have_eigen
except ImportError:
have_eigen = False
# Provide simple `six`-like aliases.
pytest.PY2 = (sys.version_info.major == 2)
pytest.CPYTHON = (platform.python_implementation() == "CPython")
pytest.PYPY = (platform.python_implementation() == "PyPy")
skipif = pytest.mark.skipif
pytest.suppress = suppress
pytest.requires_numpy = skipif(not np, reason="numpy is not installed")
pytest.requires_scipy = skipif(not np, reason="scipy is not installed")
pytest.requires_eigen_and_numpy = skipif(not have_eigen or not np,
reason="eigen and/or numpy are not installed")
pytest.requires_eigen_and_scipy = skipif(
not have_eigen or not scipy, reason="eigen and/or scipy are not installed")
pytest.unsupported_on_pypy = skipif(pytest.PYPY, reason="unsupported on PyPy")
pytest.bug_in_pypy = pytest.mark.xfail(pytest.PYPY, reason="bug in PyPy")
pytest.unsupported_on_pypy3 = skipif(pytest.PYPY and not pytest.PY2,
reason="unsupported on PyPy3")
pytest.unsupported_on_pypy_lt_6 = skipif(pytest.PYPY and sys.pypy_version_info[0] < 6,
reason="unsupported on PyPy<6")
pytest.unsupported_on_py2 = skipif(pytest.PY2,
reason="unsupported on Python 2.x")
pytest.gc_collect = gc_collect
def _test_import_pybind11():
"""Early diagnostic for test module initialization errors
When there is an error during initialization, the first import will report the
real error while all subsequent imports will report nonsense. This import test
is done early (in the pytest configuration file, before any tests) in order to
avoid the noise of having all tests fail with identical error messages.
Any possible exception is caught here and reported manually *without* the stack
trace. This further reduces noise since the trace would only show pytest internals
which are not useful for debugging pybind11 module issues.
"""
# noinspection PyBroadException
try:
import pybind11_tests # noqa: F401 imported but unused
except Exception as e:
print("Failed to import pybind11_tests from pytest:")
print(" {}: {}".format(type(e).__name__, e))
sys.exit(1)
_test_import_pybind11()