conftest.py (11986:c12e4625ab56) conftest.py (12037:d28054ac6ec9)
1"""pytest configuration
2
3Extends output capture as needed by pybind11: ignore constructors, optional unordered lines.
4Adds docstring and exceptions message sanitizers: ignore Python 2 vs 3 differences.
5"""
6
7import pytest
8import textwrap
9import difflib
10import re
11import sys
12import contextlib
1"""pytest configuration
2
3Extends output capture as needed by pybind11: ignore constructors, optional unordered lines.
4Adds docstring and exceptions message sanitizers: ignore Python 2 vs 3 differences.
5"""
6
7import pytest
8import textwrap
9import difflib
10import re
11import sys
12import contextlib
13import platform
14import gc
13
14_unicode_marker = re.compile(r'u(\'[^\']*\')')
15_long_marker = re.compile(r'([0-9])L')
16_hexadecimal = re.compile(r'0x[0-9a-fA-F]+')
17
18
19def _strip_and_dedent(s):
20 """For triple-quote strings"""

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96 return Unordered(self.out)
97
98 @property
99 def stderr(self):
100 return Output(self.err)
101
102
103@pytest.fixture
15
16_unicode_marker = re.compile(r'u(\'[^\']*\')')
17_long_marker = re.compile(r'([0-9])L')
18_hexadecimal = re.compile(r'0x[0-9a-fA-F]+')
19
20
21def _strip_and_dedent(s):
22 """For triple-quote strings"""

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98 return Unordered(self.out)
99
100 @property
101 def stderr(self):
102 return Output(self.err)
103
104
105@pytest.fixture
104def capture(capfd):
105 """Extended `capfd` with context manager and custom equality operators"""
106 return Capture(capfd)
106def capture(capsys):
107 """Extended `capsys` with context manager and custom equality operators"""
108 return Capture(capsys)
107
108
109class SanitizedString(object):
110 def __init__(self, sanitizer):
111 self.sanitizer = sanitizer
112 self.string = ""
113 self.explanation = []
114

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171def suppress(exception):
172 """Suppress the desired exception"""
173 try:
174 yield
175 except exception:
176 pass
177
178
109
110
111class SanitizedString(object):
112 def __init__(self, sanitizer):
113 self.sanitizer = sanitizer
114 self.string = ""
115 self.explanation = []
116

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173def suppress(exception):
174 """Suppress the desired exception"""
175 try:
176 yield
177 except exception:
178 pass
179
180
181def gc_collect():
182 ''' Run the garbage collector twice (needed when running
183 reference counting tests with PyPy) '''
184 gc.collect()
185 gc.collect()
186
187
179def pytest_namespace():
180 """Add import suppression and test requirements to `pytest` namespace"""
181 try:
182 import numpy as np
183 except ImportError:
184 np = None
185 try:
186 import scipy
187 except ImportError:
188 scipy = None
189 try:
190 from pybind11_tests import have_eigen
191 except ImportError:
192 have_eigen = False
188def pytest_namespace():
189 """Add import suppression and test requirements to `pytest` namespace"""
190 try:
191 import numpy as np
192 except ImportError:
193 np = None
194 try:
195 import scipy
196 except ImportError:
197 scipy = None
198 try:
199 from pybind11_tests import have_eigen
200 except ImportError:
201 have_eigen = False
202 pypy = platform.python_implementation() == "PyPy"
193
194 skipif = pytest.mark.skipif
195 return {
196 'suppress': suppress,
197 'requires_numpy': skipif(not np, reason="numpy is not installed"),
198 'requires_scipy': skipif(not np, reason="scipy is not installed"),
199 'requires_eigen_and_numpy': skipif(not have_eigen or not np,
200 reason="eigen and/or numpy are not installed"),
201 'requires_eigen_and_scipy': skipif(not have_eigen or not scipy,
202 reason="eigen and/or scipy are not installed"),
203
204 skipif = pytest.mark.skipif
205 return {
206 'suppress': suppress,
207 'requires_numpy': skipif(not np, reason="numpy is not installed"),
208 'requires_scipy': skipif(not np, reason="scipy is not installed"),
209 'requires_eigen_and_numpy': skipif(not have_eigen or not np,
210 reason="eigen and/or numpy are not installed"),
211 'requires_eigen_and_scipy': skipif(not have_eigen or not scipy,
212 reason="eigen and/or scipy are not installed"),
213 'unsupported_on_pypy': skipif(pypy, reason="unsupported on PyPy"),
214 'gc_collect': gc_collect
203 }
204
205
206def _test_import_pybind11():
207 """Early diagnostic for test module initialization errors
208
209 When there is an error during initialization, the first import will report the
210 real error while all subsequent imports will report nonsense. This import test

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216
217
218def _test_import_pybind11():
219 """Early diagnostic for test module initialization errors
220
221 When there is an error during initialization, the first import will report the
222 real error while all subsequent imports will report nonsense. This import test

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