test_ok2/testing/test_doctest.py

1599 lines
48 KiB
Python
Raw Blame History

This file contains ambiguous Unicode characters

This file contains Unicode characters that might be confused with other characters. If you think that this is intentional, you can safely ignore this warning. Use the Escape button to reveal them.

import inspect
import sys
import textwrap
from pathlib import Path
from typing import Callable
from typing import Optional
import pytest
from _pytest.doctest import _get_checker
from _pytest.doctest import _is_main_py
from _pytest.doctest import _is_mocked
from _pytest.doctest import _is_setup_py
from _pytest.doctest import _patch_unwrap_mock_aware
from _pytest.doctest import DoctestItem
from _pytest.doctest import DoctestModule
from _pytest.doctest import DoctestTextfile
from _pytest.pytester import Pytester
class TestDoctests:
def test_collect_testtextfile(self, pytester: Pytester):
w = pytester.maketxtfile(whatever="")
checkfile = pytester.maketxtfile(
test_something="""
alskdjalsdk
>>> i = 5
>>> i-1
4
"""
)
for x in (pytester.path, checkfile):
# print "checking that %s returns custom items" % (x,)
items, reprec = pytester.inline_genitems(x)
assert len(items) == 1
assert isinstance(items[0], DoctestItem)
assert isinstance(items[0].parent, DoctestTextfile)
# Empty file has no items.
items, reprec = pytester.inline_genitems(w)
assert len(items) == 0
def test_collect_module_empty(self, pytester: Pytester):
path = pytester.makepyfile(whatever="#")
for p in (path, pytester.path):
items, reprec = pytester.inline_genitems(p, "--doctest-modules")
assert len(items) == 0
def test_collect_module_single_modulelevel_doctest(self, pytester: Pytester):
path = pytester.makepyfile(whatever='""">>> pass"""')
for p in (path, pytester.path):
items, reprec = pytester.inline_genitems(p, "--doctest-modules")
assert len(items) == 1
assert isinstance(items[0], DoctestItem)
assert isinstance(items[0].parent, DoctestModule)
def test_collect_module_two_doctest_one_modulelevel(self, pytester: Pytester):
path = pytester.makepyfile(
whatever="""
'>>> x = None'
def my_func():
">>> magic = 42 "
"""
)
for p in (path, pytester.path):
items, reprec = pytester.inline_genitems(p, "--doctest-modules")
assert len(items) == 2
assert isinstance(items[0], DoctestItem)
assert isinstance(items[1], DoctestItem)
assert isinstance(items[0].parent, DoctestModule)
assert items[0].parent is items[1].parent
@pytest.mark.parametrize("filename", ["__init__", "whatever"])
def test_collect_module_two_doctest_no_modulelevel(
self,
pytester: Pytester,
filename: str,
) -> None:
path = pytester.makepyfile(
**{
filename: """
'# Empty'
def my_func():
">>> magic = 42 "
def useless():
'''
# This is a function
# >>> # it doesn't have any doctest
'''
def another():
'''
# This is another function
>>> import os # this one does have a doctest
'''
""",
},
)
for p in (path, pytester.path):
items, reprec = pytester.inline_genitems(p, "--doctest-modules")
assert len(items) == 2
assert isinstance(items[0], DoctestItem)
assert isinstance(items[1], DoctestItem)
assert isinstance(items[0].parent, DoctestModule)
assert items[0].parent is items[1].parent
def test_simple_doctestfile(self, pytester: Pytester):
p = pytester.maketxtfile(
test_doc="""
>>> x = 1
>>> x == 1
False
"""
)
reprec = pytester.inline_run(p)
reprec.assertoutcome(failed=1)
def test_importmode(self, pytester: Pytester):
p = pytester.makepyfile(
**{
"namespacepkg/innerpkg/__init__.py": "",
"namespacepkg/innerpkg/a.py": """
def some_func():
return 42
""",
"namespacepkg/innerpkg/b.py": """
from namespacepkg.innerpkg.a import some_func
def my_func():
'''
>>> my_func()
42
'''
return some_func()
""",
}
)
reprec = pytester.inline_run(p, "--doctest-modules", "--import-mode=importlib")
reprec.assertoutcome(passed=1)
def test_new_pattern(self, pytester: Pytester):
p = pytester.maketxtfile(
xdoc="""
>>> x = 1
>>> x == 1
False
"""
)
reprec = pytester.inline_run(p, "--doctest-glob=x*.txt")
reprec.assertoutcome(failed=1)
def test_multiple_patterns(self, pytester: Pytester):
"""Test support for multiple --doctest-glob arguments (#1255)."""
pytester.maketxtfile(
xdoc="""
>>> 1
1
"""
)
pytester.makefile(
".foo",
test="""
>>> 1
1
""",
)
pytester.maketxtfile(
test_normal="""
>>> 1
1
"""
)
expected = {"xdoc.txt", "test.foo", "test_normal.txt"}
assert {x.name for x in pytester.path.iterdir()} == expected
args = ["--doctest-glob=xdoc*.txt", "--doctest-glob=*.foo"]
result = pytester.runpytest(*args)
result.stdout.fnmatch_lines(["*test.foo *", "*xdoc.txt *", "*2 passed*"])
result = pytester.runpytest()
result.stdout.fnmatch_lines(["*test_normal.txt *", "*1 passed*"])
@pytest.mark.parametrize(
" test_string, encoding",
[("foo", "ascii"), ("öäü", "latin1"), ("öäü", "utf-8")],
)
def test_encoding(self, pytester, test_string, encoding):
"""Test support for doctest_encoding ini option."""
pytester.makeini(
"""
[pytest]
doctest_encoding={}
""".format(
encoding
)
)
doctest = """
>>> "{}"
{}
""".format(
test_string, repr(test_string)
)
fn = pytester.path / "test_encoding.txt"
fn.write_text(doctest, encoding=encoding)
result = pytester.runpytest()
result.stdout.fnmatch_lines(["*1 passed*"])
def test_doctest_unexpected_exception(self, pytester: Pytester):
pytester.maketxtfile(
"""
>>> i = 0
>>> 0 / i
2
"""
)
result = pytester.runpytest("--doctest-modules")
result.stdout.fnmatch_lines(
[
"test_doctest_unexpected_exception.txt F *",
"",
"*= FAILURES =*",
"*_ [[]doctest[]] test_doctest_unexpected_exception.txt _*",
"001 >>> i = 0",
"002 >>> 0 / i",
"UNEXPECTED EXCEPTION: ZeroDivisionError*",
"Traceback (most recent call last):",
' File "*/doctest.py", line *, in __run',
" *",
*(
(" *^^^^*",)
if (3, 11, 0, "beta", 4) > sys.version_info >= (3, 11)
else ()
),
' File "<doctest test_doctest_unexpected_exception.txt[1]>", line 1, in <module>',
"ZeroDivisionError: division by zero",
"*/test_doctest_unexpected_exception.txt:2: UnexpectedException",
],
consecutive=True,
)
def test_doctest_outcomes(self, pytester: Pytester):
pytester.maketxtfile(
test_skip="""
>>> 1
1
>>> import pytest
>>> pytest.skip("")
>>> 2
3
""",
test_xfail="""
>>> import pytest
>>> pytest.xfail("xfail_reason")
>>> foo
bar
""",
test_importorskip="""
>>> import pytest
>>> pytest.importorskip("doesnotexist")
>>> foo
bar
""",
)
result = pytester.runpytest("--doctest-modules")
result.stdout.fnmatch_lines(
[
"collected 3 items",
"",
"test_importorskip.txt s *",
"test_skip.txt s *",
"test_xfail.txt x *",
"",
"*= 2 skipped, 1 xfailed in *",
]
)
def test_docstring_partial_context_around_error(self, pytester: Pytester):
"""Test that we show some context before the actual line of a failing
doctest.
"""
pytester.makepyfile(
'''
def foo():
"""
text-line-1
text-line-2
text-line-3
text-line-4
text-line-5
text-line-6
text-line-7
text-line-8
text-line-9
text-line-10
text-line-11
>>> 1 + 1
3
text-line-after
"""
'''
)
result = pytester.runpytest("--doctest-modules")
result.stdout.fnmatch_lines(
[
"*docstring_partial_context_around_error*",
"005*text-line-3",
"006*text-line-4",
"013*text-line-11",
"014*>>> 1 + 1",
"Expected:",
" 3",
"Got:",
" 2",
]
)
# lines below should be trimmed out
result.stdout.no_fnmatch_line("*text-line-2*")
result.stdout.no_fnmatch_line("*text-line-after*")
def test_docstring_full_context_around_error(self, pytester: Pytester):
"""Test that we show the whole context before the actual line of a failing
doctest, provided that the context is up to 10 lines long.
"""
pytester.makepyfile(
'''
def foo():
"""
text-line-1
text-line-2
>>> 1 + 1
3
"""
'''
)
result = pytester.runpytest("--doctest-modules")
result.stdout.fnmatch_lines(
[
"*docstring_full_context_around_error*",
"003*text-line-1",
"004*text-line-2",
"006*>>> 1 + 1",
"Expected:",
" 3",
"Got:",
" 2",
]
)
def test_doctest_linedata_missing(self, pytester: Pytester):
pytester.path.joinpath("hello.py").write_text(
textwrap.dedent(
"""\
class Fun(object):
@property
def test(self):
'''
>>> a = 1
>>> 1/0
'''
"""
)
)
result = pytester.runpytest("--doctest-modules")
result.stdout.fnmatch_lines(
["*hello*", "006*>>> 1/0*", "*UNEXPECTED*ZeroDivision*", "*1 failed*"]
)
def test_doctest_linedata_on_property(self, pytester: Pytester):
pytester.makepyfile(
"""
class Sample(object):
@property
def some_property(self):
'''
>>> Sample().some_property
'another thing'
'''
return 'something'
"""
)
result = pytester.runpytest("--doctest-modules")
result.stdout.fnmatch_lines(
[
"*= FAILURES =*",
"*_ [[]doctest[]] test_doctest_linedata_on_property.Sample.some_property _*",
"004 ",
"005 >>> Sample().some_property",
"Expected:",
" 'another thing'",
"Got:",
" 'something'",
"",
"*/test_doctest_linedata_on_property.py:5: DocTestFailure",
"*= 1 failed in *",
]
)
def test_doctest_no_linedata_on_overriden_property(self, pytester: Pytester):
pytester.makepyfile(
"""
class Sample(object):
@property
def some_property(self):
'''
>>> Sample().some_property
'another thing'
'''
return 'something'
some_property = property(some_property.__get__, None, None, some_property.__doc__)
"""
)
result = pytester.runpytest("--doctest-modules")
result.stdout.fnmatch_lines(
[
"*= FAILURES =*",
"*_ [[]doctest[]] test_doctest_no_linedata_on_overriden_property.Sample.some_property _*",
"EXAMPLE LOCATION UNKNOWN, not showing all tests of that example",
"[?][?][?] >>> Sample().some_property",
"Expected:",
" 'another thing'",
"Got:",
" 'something'",
"",
"*/test_doctest_no_linedata_on_overriden_property.py:None: DocTestFailure",
"*= 1 failed in *",
]
)
def test_doctest_unex_importerror_only_txt(self, pytester: Pytester):
pytester.maketxtfile(
"""
>>> import asdalsdkjaslkdjasd
>>>
"""
)
result = pytester.runpytest()
# doctest is never executed because of error during hello.py collection
result.stdout.fnmatch_lines(
[
"*>>> import asdals*",
"*UNEXPECTED*ModuleNotFoundError*",
"ModuleNotFoundError: No module named *asdal*",
]
)
def test_doctest_unex_importerror_with_module(self, pytester: Pytester):
pytester.path.joinpath("hello.py").write_text(
textwrap.dedent(
"""\
import asdalsdkjaslkdjasd
"""
)
)
pytester.maketxtfile(
"""
>>> import hello
>>>
"""
)
result = pytester.runpytest("--doctest-modules")
# doctest is never executed because of error during hello.py collection
result.stdout.fnmatch_lines(
[
"*ERROR collecting hello.py*",
"*ModuleNotFoundError: No module named *asdals*",
"*Interrupted: 1 error during collection*",
]
)
def test_doctestmodule(self, pytester: Pytester):
p = pytester.makepyfile(
"""
'''
>>> x = 1
>>> x == 1
False
'''
"""
)
reprec = pytester.inline_run(p, "--doctest-modules")
reprec.assertoutcome(failed=1)
def test_doctestmodule_external_and_issue116(self, pytester: Pytester):
p = pytester.mkpydir("hello")
p.joinpath("__init__.py").write_text(
textwrap.dedent(
"""\
def somefunc():
'''
>>> i = 0
>>> i + 1
2
'''
"""
)
)
result = pytester.runpytest(p, "--doctest-modules")
result.stdout.fnmatch_lines(
[
"003 *>>> i = 0",
"004 *>>> i + 1",
"*Expected:",
"* 2",
"*Got:",
"* 1",
"*:4: DocTestFailure",
]
)
def test_txtfile_failing(self, pytester: Pytester):
p = pytester.maketxtfile(
"""
>>> i = 0
>>> i + 1
2
"""
)
result = pytester.runpytest(p, "-s")
result.stdout.fnmatch_lines(
[
"001 >>> i = 0",
"002 >>> i + 1",
"Expected:",
" 2",
"Got:",
" 1",
"*test_txtfile_failing.txt:2: DocTestFailure",
]
)
def test_txtfile_with_fixtures(self, pytester: Pytester):
p = pytester.maketxtfile(
"""
>>> p = getfixture('tmp_path')
>>> p.is_dir()
True
"""
)
reprec = pytester.inline_run(p)
reprec.assertoutcome(passed=1)
def test_txtfile_with_usefixtures_in_ini(self, pytester: Pytester):
pytester.makeini(
"""
[pytest]
usefixtures = myfixture
"""
)
pytester.makeconftest(
"""
import pytest
@pytest.fixture
def myfixture(monkeypatch):
monkeypatch.setenv("HELLO", "WORLD")
"""
)
p = pytester.maketxtfile(
"""
>>> import os
>>> os.environ["HELLO"]
'WORLD'
"""
)
reprec = pytester.inline_run(p)
reprec.assertoutcome(passed=1)
def test_doctestmodule_with_fixtures(self, pytester: Pytester):
p = pytester.makepyfile(
"""
'''
>>> p = getfixture('tmp_path')
>>> p.is_dir()
True
'''
"""
)
reprec = pytester.inline_run(p, "--doctest-modules")
reprec.assertoutcome(passed=1)
def test_doctestmodule_three_tests(self, pytester: Pytester):
p = pytester.makepyfile(
"""
'''
>>> p = getfixture('tmp_path')
>>> p.is_dir()
True
'''
def my_func():
'''
>>> magic = 42
>>> magic - 42
0
'''
def useless():
pass
def another():
'''
>>> import os
>>> os is os
True
'''
"""
)
reprec = pytester.inline_run(p, "--doctest-modules")
reprec.assertoutcome(passed=3)
def test_doctestmodule_two_tests_one_fail(self, pytester: Pytester):
p = pytester.makepyfile(
"""
class MyClass(object):
def bad_meth(self):
'''
>>> magic = 42
>>> magic
0
'''
def nice_meth(self):
'''
>>> magic = 42
>>> magic - 42
0
'''
"""
)
reprec = pytester.inline_run(p, "--doctest-modules")
reprec.assertoutcome(failed=1, passed=1)
def test_ignored_whitespace(self, pytester: Pytester):
pytester.makeini(
"""
[pytest]
doctest_optionflags = ELLIPSIS NORMALIZE_WHITESPACE
"""
)
p = pytester.makepyfile(
"""
class MyClass(object):
'''
>>> a = "foo "
>>> print(a)
foo
'''
pass
"""
)
reprec = pytester.inline_run(p, "--doctest-modules")
reprec.assertoutcome(passed=1)
def test_non_ignored_whitespace(self, pytester: Pytester):
pytester.makeini(
"""
[pytest]
doctest_optionflags = ELLIPSIS
"""
)
p = pytester.makepyfile(
"""
class MyClass(object):
'''
>>> a = "foo "
>>> print(a)
foo
'''
pass
"""
)
reprec = pytester.inline_run(p, "--doctest-modules")
reprec.assertoutcome(failed=1, passed=0)
def test_ignored_whitespace_glob(self, pytester: Pytester):
pytester.makeini(
"""
[pytest]
doctest_optionflags = ELLIPSIS NORMALIZE_WHITESPACE
"""
)
p = pytester.maketxtfile(
xdoc="""
>>> a = "foo "
>>> print(a)
foo
"""
)
reprec = pytester.inline_run(p, "--doctest-glob=x*.txt")
reprec.assertoutcome(passed=1)
def test_non_ignored_whitespace_glob(self, pytester: Pytester):
pytester.makeini(
"""
[pytest]
doctest_optionflags = ELLIPSIS
"""
)
p = pytester.maketxtfile(
xdoc="""
>>> a = "foo "
>>> print(a)
foo
"""
)
reprec = pytester.inline_run(p, "--doctest-glob=x*.txt")
reprec.assertoutcome(failed=1, passed=0)
def test_contains_unicode(self, pytester: Pytester):
"""Fix internal error with docstrings containing non-ascii characters."""
pytester.makepyfile(
'''\
def foo():
"""
>>> name = 'с' # not letter 'c' but instead Cyrillic 's'.
'anything'
"""
'''
)
result = pytester.runpytest("--doctest-modules")
result.stdout.fnmatch_lines(["Got nothing", "* 1 failed in*"])
def test_ignore_import_errors_on_doctest(self, pytester: Pytester):
p = pytester.makepyfile(
"""
import asdf
def add_one(x):
'''
>>> add_one(1)
2
'''
return x + 1
"""
)
reprec = pytester.inline_run(
p, "--doctest-modules", "--doctest-ignore-import-errors"
)
reprec.assertoutcome(skipped=1, failed=1, passed=0)
def test_junit_report_for_doctest(self, pytester: Pytester):
"""#713: Fix --junit-xml option when used with --doctest-modules."""
p = pytester.makepyfile(
"""
def foo():
'''
>>> 1 + 1
3
'''
pass
"""
)
reprec = pytester.inline_run(p, "--doctest-modules", "--junit-xml=junit.xml")
reprec.assertoutcome(failed=1)
def test_unicode_doctest(self, pytester: Pytester):
"""
Test case for issue 2434: DecodeError on Python 2 when doctest contains non-ascii
characters.
"""
p = pytester.maketxtfile(
test_unicode_doctest="""
.. doctest::
>>> print("Hi\\n\\nByé")
Hi
...
Byé
>>> 1 / 0 # Byé
1
"""
)
result = pytester.runpytest(p)
result.stdout.fnmatch_lines(
["*UNEXPECTED EXCEPTION: ZeroDivisionError*", "*1 failed*"]
)
def test_unicode_doctest_module(self, pytester: Pytester):
"""
Test case for issue 2434: DecodeError on Python 2 when doctest docstring
contains non-ascii characters.
"""
p = pytester.makepyfile(
test_unicode_doctest_module="""
def fix_bad_unicode(text):
'''
>>> print(fix_bad_unicode('único'))
único
'''
return "único"
"""
)
result = pytester.runpytest(p, "--doctest-modules")
result.stdout.fnmatch_lines(["* 1 passed *"])
def test_print_unicode_value(self, pytester: Pytester):
"""
Test case for issue 3583: Printing Unicode in doctest under Python 2.7
doesn't work
"""
p = pytester.maketxtfile(
test_print_unicode_value=r"""
Here is a doctest::
>>> print('\xE5\xE9\xEE\xF8\xFC')
åéîøü
"""
)
result = pytester.runpytest(p)
result.stdout.fnmatch_lines(["* 1 passed *"])
def test_reportinfo(self, pytester: Pytester):
"""Make sure that DoctestItem.reportinfo() returns lineno."""
p = pytester.makepyfile(
test_reportinfo="""
def foo(x):
'''
>>> foo('a')
'b'
'''
return 'c'
"""
)
items, reprec = pytester.inline_genitems(p, "--doctest-modules")
reportinfo = items[0].reportinfo()
assert reportinfo[1] == 1
def test_valid_setup_py(self, pytester: Pytester):
"""
Test to make sure that pytest ignores valid setup.py files when ran
with --doctest-modules
"""
p = pytester.makepyfile(
setup="""
if __name__ == '__main__':
from setuptools import setup, find_packages
setup(name='sample',
version='0.0',
description='description',
packages=find_packages()
)
"""
)
result = pytester.runpytest(p, "--doctest-modules")
result.stdout.fnmatch_lines(["*collected 0 items*"])
def test_main_py_does_not_cause_import_errors(self, pytester: Pytester):
p = pytester.copy_example("doctest/main_py")
result = pytester.runpytest(p, "--doctest-modules")
result.stdout.fnmatch_lines(["*collected 2 items*", "*1 failed, 1 passed*"])
def test_invalid_setup_py(self, pytester: Pytester):
"""
Test to make sure that pytest reads setup.py files that are not used
for python packages when ran with --doctest-modules
"""
p = pytester.makepyfile(
setup="""
def test_foo():
return 'bar'
"""
)
result = pytester.runpytest(p, "--doctest-modules")
result.stdout.fnmatch_lines(["*collected 1 item*"])
class TestLiterals:
@pytest.mark.parametrize("config_mode", ["ini", "comment"])
def test_allow_unicode(self, pytester, config_mode):
"""Test that doctests which output unicode work in all python versions
tested by pytest when the ALLOW_UNICODE option is used (either in
the ini file or by an inline comment).
"""
if config_mode == "ini":
pytester.makeini(
"""
[pytest]
doctest_optionflags = ALLOW_UNICODE
"""
)
comment = ""
else:
comment = "#doctest: +ALLOW_UNICODE"
pytester.maketxtfile(
test_doc="""
>>> b'12'.decode('ascii') {comment}
'12'
""".format(
comment=comment
)
)
pytester.makepyfile(
foo="""
def foo():
'''
>>> b'12'.decode('ascii') {comment}
'12'
'''
""".format(
comment=comment
)
)
reprec = pytester.inline_run("--doctest-modules")
reprec.assertoutcome(passed=2)
@pytest.mark.parametrize("config_mode", ["ini", "comment"])
def test_allow_bytes(self, pytester, config_mode):
"""Test that doctests which output bytes work in all python versions
tested by pytest when the ALLOW_BYTES option is used (either in
the ini file or by an inline comment)(#1287).
"""
if config_mode == "ini":
pytester.makeini(
"""
[pytest]
doctest_optionflags = ALLOW_BYTES
"""
)
comment = ""
else:
comment = "#doctest: +ALLOW_BYTES"
pytester.maketxtfile(
test_doc="""
>>> b'foo' {comment}
'foo'
""".format(
comment=comment
)
)
pytester.makepyfile(
foo="""
def foo():
'''
>>> b'foo' {comment}
'foo'
'''
""".format(
comment=comment
)
)
reprec = pytester.inline_run("--doctest-modules")
reprec.assertoutcome(passed=2)
def test_unicode_string(self, pytester: Pytester):
"""Test that doctests which output unicode fail in Python 2 when
the ALLOW_UNICODE option is not used. The same test should pass
in Python 3.
"""
pytester.maketxtfile(
test_doc="""
>>> b'12'.decode('ascii')
'12'
"""
)
reprec = pytester.inline_run()
reprec.assertoutcome(passed=1)
def test_bytes_literal(self, pytester: Pytester):
"""Test that doctests which output bytes fail in Python 3 when
the ALLOW_BYTES option is not used. (#1287).
"""
pytester.maketxtfile(
test_doc="""
>>> b'foo'
'foo'
"""
)
reprec = pytester.inline_run()
reprec.assertoutcome(failed=1)
def test_number_re(self) -> None:
_number_re = _get_checker()._number_re # type: ignore
for s in [
"1.",
"+1.",
"-1.",
".1",
"+.1",
"-.1",
"0.1",
"+0.1",
"-0.1",
"1e5",
"+1e5",
"1e+5",
"+1e+5",
"1e-5",
"+1e-5",
"-1e-5",
"1.2e3",
"-1.2e-3",
]:
print(s)
m = _number_re.match(s)
assert m is not None
assert float(m.group()) == pytest.approx(float(s))
for s in ["1", "abc"]:
print(s)
assert _number_re.match(s) is None
@pytest.mark.parametrize("config_mode", ["ini", "comment"])
def test_number_precision(self, pytester, config_mode):
"""Test the NUMBER option."""
if config_mode == "ini":
pytester.makeini(
"""
[pytest]
doctest_optionflags = NUMBER
"""
)
comment = ""
else:
comment = "#doctest: +NUMBER"
pytester.maketxtfile(
test_doc="""
Scalars:
>>> import math
>>> math.pi {comment}
3.141592653589793
>>> math.pi {comment}
3.1416
>>> math.pi {comment}
3.14
>>> -math.pi {comment}
-3.14
>>> math.pi {comment}
3.
>>> 3. {comment}
3.0
>>> 3. {comment}
3.
>>> 3. {comment}
3.01
>>> 3. {comment}
2.99
>>> .299 {comment}
.3
>>> .301 {comment}
.3
>>> 951. {comment}
1e3
>>> 1049. {comment}
1e3
>>> -1049. {comment}
-1e3
>>> 1e3 {comment}
1e3
>>> 1e3 {comment}
1000.
Lists:
>>> [3.1415, 0.097, 13.1, 7, 8.22222e5, 0.598e-2] {comment}
[3.14, 0.1, 13., 7, 8.22e5, 6.0e-3]
>>> [[0.333, 0.667], [0.999, 1.333]] {comment}
[[0.33, 0.667], [0.999, 1.333]]
>>> [[[0.101]]] {comment}
[[[0.1]]]
Doesn't barf on non-numbers:
>>> 'abc' {comment}
'abc'
>>> None {comment}
""".format(
comment=comment
)
)
reprec = pytester.inline_run()
reprec.assertoutcome(passed=1)
@pytest.mark.parametrize(
"expression,output",
[
# ints shouldn't match floats:
("3.0", "3"),
("3e0", "3"),
("1e3", "1000"),
("3", "3.0"),
# Rounding:
("3.1", "3.0"),
("3.1", "3.2"),
("3.1", "4.0"),
("8.22e5", "810000.0"),
# Only the actual output is rounded up, not the expected output:
("3.0", "2.98"),
("1e3", "999"),
# The current implementation doesn't understand that numbers inside
# strings shouldn't be treated as numbers:
pytest.param("'3.1416'", "'3.14'", marks=pytest.mark.xfail),
],
)
def test_number_non_matches(self, pytester, expression, output):
pytester.maketxtfile(
test_doc="""
>>> {expression} #doctest: +NUMBER
{output}
""".format(
expression=expression, output=output
)
)
reprec = pytester.inline_run()
reprec.assertoutcome(passed=0, failed=1)
def test_number_and_allow_unicode(self, pytester: Pytester):
pytester.maketxtfile(
test_doc="""
>>> from collections import namedtuple
>>> T = namedtuple('T', 'a b c')
>>> T(a=0.2330000001, b=u'str', c=b'bytes') # doctest: +ALLOW_UNICODE, +ALLOW_BYTES, +NUMBER
T(a=0.233, b=u'str', c='bytes')
"""
)
reprec = pytester.inline_run()
reprec.assertoutcome(passed=1)
class TestDoctestSkips:
"""
If all examples in a doctest are skipped due to the SKIP option, then
the tests should be SKIPPED rather than PASSED. (#957)
"""
@pytest.fixture(params=["text", "module"])
def makedoctest(self, pytester, request):
def makeit(doctest):
mode = request.param
if mode == "text":
pytester.maketxtfile(doctest)
else:
assert mode == "module"
pytester.makepyfile('"""\n%s"""' % doctest)
return makeit
def test_one_skipped(self, pytester, makedoctest):
makedoctest(
"""
>>> 1 + 1 # doctest: +SKIP
2
>>> 2 + 2
4
"""
)
reprec = pytester.inline_run("--doctest-modules")
reprec.assertoutcome(passed=1)
def test_one_skipped_failed(self, pytester, makedoctest):
makedoctest(
"""
>>> 1 + 1 # doctest: +SKIP
2
>>> 2 + 2
200
"""
)
reprec = pytester.inline_run("--doctest-modules")
reprec.assertoutcome(failed=1)
def test_all_skipped(self, pytester, makedoctest):
makedoctest(
"""
>>> 1 + 1 # doctest: +SKIP
2
>>> 2 + 2 # doctest: +SKIP
200
"""
)
reprec = pytester.inline_run("--doctest-modules")
reprec.assertoutcome(skipped=1)
def test_vacuous_all_skipped(self, pytester, makedoctest):
makedoctest("")
reprec = pytester.inline_run("--doctest-modules")
reprec.assertoutcome(passed=0, skipped=0)
def test_continue_on_failure(self, pytester: Pytester):
pytester.maketxtfile(
test_something="""
>>> i = 5
>>> def foo():
... raise ValueError('error1')
>>> foo()
>>> i
>>> i + 2
7
>>> i + 1
"""
)
result = pytester.runpytest(
"--doctest-modules", "--doctest-continue-on-failure"
)
result.assert_outcomes(passed=0, failed=1)
# The lines that contains the failure are 4, 5, and 8. The first one
# is a stack trace and the other two are mismatches.
result.stdout.fnmatch_lines(
["*4: UnexpectedException*", "*5: DocTestFailure*", "*8: DocTestFailure*"]
)
def test_skipping_wrapped_test(self, pytester):
"""
Issue 8796: INTERNALERROR raised when skipping a decorated DocTest
through pytest_collection_modifyitems.
"""
pytester.makeconftest(
"""
import pytest
from _pytest.doctest import DoctestItem
def pytest_collection_modifyitems(config, items):
skip_marker = pytest.mark.skip()
for item in items:
if isinstance(item, DoctestItem):
item.add_marker(skip_marker)
"""
)
pytester.makepyfile(
"""
from contextlib import contextmanager
@contextmanager
def my_config_context():
'''
>>> import os
'''
"""
)
result = pytester.runpytest("--doctest-modules")
assert "INTERNALERROR" not in result.stdout.str()
result.assert_outcomes(skipped=1)
class TestDoctestAutoUseFixtures:
SCOPES = ["module", "session", "class", "function"]
def test_doctest_module_session_fixture(self, pytester: Pytester):
"""Test that session fixtures are initialized for doctest modules (#768)."""
# session fixture which changes some global data, which will
# be accessed by doctests in a module
pytester.makeconftest(
"""
import pytest
import sys
@pytest.fixture(autouse=True, scope='session')
def myfixture():
assert not hasattr(sys, 'pytest_session_data')
sys.pytest_session_data = 1
yield
del sys.pytest_session_data
"""
)
pytester.makepyfile(
foo="""
import sys
def foo():
'''
>>> assert sys.pytest_session_data == 1
'''
def bar():
'''
>>> assert sys.pytest_session_data == 1
'''
"""
)
result = pytester.runpytest("--doctest-modules")
result.stdout.fnmatch_lines(["*2 passed*"])
@pytest.mark.parametrize("scope", SCOPES)
@pytest.mark.parametrize("enable_doctest", [True, False])
def test_fixture_scopes(self, pytester, scope, enable_doctest):
"""Test that auto-use fixtures work properly with doctest modules.
See #1057 and #1100.
"""
pytester.makeconftest(
"""
import pytest
@pytest.fixture(autouse=True, scope="{scope}")
def auto(request):
return 99
""".format(
scope=scope
)
)
pytester.makepyfile(
test_1='''
def test_foo():
"""
>>> getfixture('auto') + 1
100
"""
def test_bar():
assert 1
'''
)
params = ("--doctest-modules",) if enable_doctest else ()
passes = 3 if enable_doctest else 2
result = pytester.runpytest(*params)
result.stdout.fnmatch_lines(["*=== %d passed in *" % passes])
@pytest.mark.parametrize("scope", SCOPES)
@pytest.mark.parametrize("autouse", [True, False])
@pytest.mark.parametrize("use_fixture_in_doctest", [True, False])
def test_fixture_module_doctest_scopes(
self, pytester, scope, autouse, use_fixture_in_doctest
):
"""Test that auto-use fixtures work properly with doctest files.
See #1057 and #1100.
"""
pytester.makeconftest(
"""
import pytest
@pytest.fixture(autouse={autouse}, scope="{scope}")
def auto(request):
return 99
""".format(
scope=scope, autouse=autouse
)
)
if use_fixture_in_doctest:
pytester.maketxtfile(
test_doc="""
>>> getfixture('auto')
99
"""
)
else:
pytester.maketxtfile(
test_doc="""
>>> 1 + 1
2
"""
)
result = pytester.runpytest("--doctest-modules")
result.stdout.no_fnmatch_line("*FAILURES*")
result.stdout.fnmatch_lines(["*=== 1 passed in *"])
@pytest.mark.parametrize("scope", SCOPES)
def test_auto_use_request_attributes(self, pytester, scope):
"""Check that all attributes of a request in an autouse fixture
behave as expected when requested for a doctest item.
"""
pytester.makeconftest(
"""
import pytest
@pytest.fixture(autouse=True, scope="{scope}")
def auto(request):
if "{scope}" == 'module':
assert request.module is None
if "{scope}" == 'class':
assert request.cls is None
if "{scope}" == 'function':
assert request.function is None
return 99
""".format(
scope=scope
)
)
pytester.maketxtfile(
test_doc="""
>>> 1 + 1
2
"""
)
result = pytester.runpytest("--doctest-modules")
str(result.stdout.no_fnmatch_line("*FAILURES*"))
result.stdout.fnmatch_lines(["*=== 1 passed in *"])
class TestDoctestNamespaceFixture:
SCOPES = ["module", "session", "class", "function"]
@pytest.mark.parametrize("scope", SCOPES)
def test_namespace_doctestfile(self, pytester, scope):
"""
Check that inserting something into the namespace works in a
simple text file doctest
"""
pytester.makeconftest(
"""
import pytest
import contextlib
@pytest.fixture(autouse=True, scope="{scope}")
def add_contextlib(doctest_namespace):
doctest_namespace['cl'] = contextlib
""".format(
scope=scope
)
)
p = pytester.maketxtfile(
"""
>>> print(cl.__name__)
contextlib
"""
)
reprec = pytester.inline_run(p)
reprec.assertoutcome(passed=1)
@pytest.mark.parametrize("scope", SCOPES)
def test_namespace_pyfile(self, pytester, scope):
"""
Check that inserting something into the namespace works in a
simple Python file docstring doctest
"""
pytester.makeconftest(
"""
import pytest
import contextlib
@pytest.fixture(autouse=True, scope="{scope}")
def add_contextlib(doctest_namespace):
doctest_namespace['cl'] = contextlib
""".format(
scope=scope
)
)
p = pytester.makepyfile(
"""
def foo():
'''
>>> print(cl.__name__)
contextlib
'''
"""
)
reprec = pytester.inline_run(p, "--doctest-modules")
reprec.assertoutcome(passed=1)
class TestDoctestReportingOption:
def _run_doctest_report(self, pytester, format):
pytester.makepyfile(
"""
def foo():
'''
>>> foo()
a b
0 1 4
1 2 4
2 3 6
'''
print(' a b\\n'
'0 1 4\\n'
'1 2 5\\n'
'2 3 6')
"""
)
return pytester.runpytest("--doctest-modules", "--doctest-report", format)
@pytest.mark.parametrize("format", ["udiff", "UDIFF", "uDiFf"])
def test_doctest_report_udiff(self, pytester, format):
result = self._run_doctest_report(pytester, format)
result.stdout.fnmatch_lines(
[" 0 1 4", " -1 2 4", " +1 2 5", " 2 3 6"]
)
def test_doctest_report_cdiff(self, pytester: Pytester):
result = self._run_doctest_report(pytester, "cdiff")
result.stdout.fnmatch_lines(
[
" a b",
" 0 1 4",
" ! 1 2 4",
" 2 3 6",
" --- 1,4 ----",
" a b",
" 0 1 4",
" ! 1 2 5",
" 2 3 6",
]
)
def test_doctest_report_ndiff(self, pytester: Pytester):
result = self._run_doctest_report(pytester, "ndiff")
result.stdout.fnmatch_lines(
[
" a b",
" 0 1 4",
" - 1 2 4",
" ? ^",
" + 1 2 5",
" ? ^",
" 2 3 6",
]
)
@pytest.mark.parametrize("format", ["none", "only_first_failure"])
def test_doctest_report_none_or_only_first_failure(self, pytester, format):
result = self._run_doctest_report(pytester, format)
result.stdout.fnmatch_lines(
[
"Expected:",
" a b",
" 0 1 4",
" 1 2 4",
" 2 3 6",
"Got:",
" a b",
" 0 1 4",
" 1 2 5",
" 2 3 6",
]
)
def test_doctest_report_invalid(self, pytester: Pytester):
result = self._run_doctest_report(pytester, "obviously_invalid_format")
result.stderr.fnmatch_lines(
[
"*error: argument --doctest-report: invalid choice: 'obviously_invalid_format' (choose from*"
]
)
@pytest.mark.parametrize("mock_module", ["mock", "unittest.mock"])
def test_doctest_mock_objects_dont_recurse_missbehaved(mock_module, pytester: Pytester):
pytest.importorskip(mock_module)
pytester.makepyfile(
"""
from {mock_module} import call
class Example(object):
'''
>>> 1 + 1
2
'''
""".format(
mock_module=mock_module
)
)
result = pytester.runpytest("--doctest-modules")
result.stdout.fnmatch_lines(["* 1 passed *"])
class Broken:
def __getattr__(self, _):
raise KeyError("This should be an AttributeError")
@pytest.mark.parametrize( # pragma: no branch (lambdas are not called)
"stop", [None, _is_mocked, lambda f: None, lambda f: False, lambda f: True]
)
def test_warning_on_unwrap_of_broken_object(
stop: Optional[Callable[[object], object]]
) -> None:
bad_instance = Broken()
assert inspect.unwrap.__module__ == "inspect"
with _patch_unwrap_mock_aware():
assert inspect.unwrap.__module__ != "inspect"
with pytest.warns(
pytest.PytestWarning, match="^Got KeyError.* when unwrapping"
):
with pytest.raises(KeyError):
inspect.unwrap(bad_instance, stop=stop) # type: ignore[arg-type]
assert inspect.unwrap.__module__ == "inspect"
def test_is_setup_py_not_named_setup_py(tmp_path: Path) -> None:
not_setup_py = tmp_path.joinpath("not_setup.py")
not_setup_py.write_text('from setuptools import setup; setup(name="foo")')
assert not _is_setup_py(not_setup_py)
@pytest.mark.parametrize("mod", ("setuptools", "distutils.core"))
def test_is_setup_py_is_a_setup_py(tmp_path: Path, mod: str) -> None:
setup_py = tmp_path.joinpath("setup.py")
setup_py.write_text(f'from {mod} import setup; setup(name="foo")', "utf-8")
assert _is_setup_py(setup_py)
@pytest.mark.parametrize("mod", ("setuptools", "distutils.core"))
def test_is_setup_py_different_encoding(tmp_path: Path, mod: str) -> None:
setup_py = tmp_path.joinpath("setup.py")
contents = (
"# -*- coding: cp1252 -*-\n"
'from {} import setup; setup(name="foo", description="")\n'.format(mod)
)
setup_py.write_bytes(contents.encode("cp1252"))
assert _is_setup_py(setup_py)
@pytest.mark.parametrize(
"name, expected", [("__main__.py", True), ("__init__.py", False)]
)
def test_is_main_py(tmp_path: Path, name: str, expected: bool) -> None:
dunder_main = tmp_path.joinpath(name)
assert _is_main_py(dunder_main) == expected