pytest/testing/test_config.py

2540 lines
83 KiB
Python

# mypy: allow-untyped-defs
from __future__ import annotations
from collections.abc import Sequence
import dataclasses
import importlib.metadata
import os
from pathlib import Path
import platform
import re
import sys
import textwrap
from typing import Any
import _pytest._code
from _pytest.config import _get_plugin_specs_as_list
from _pytest.config import _iter_rewritable_modules
from _pytest.config import _strtobool
from _pytest.config import Config
from _pytest.config import ConftestImportFailure
from _pytest.config import ExitCode
from _pytest.config import parse_warning_filter
from _pytest.config.argparsing import get_ini_default_for_type
from _pytest.config.argparsing import Parser
from _pytest.config.exceptions import UsageError
from _pytest.config.findpaths import determine_setup
from _pytest.config.findpaths import get_common_ancestor
from _pytest.config.findpaths import locate_config
from _pytest.monkeypatch import MonkeyPatch
from _pytest.pathlib import absolutepath
from _pytest.pytester import Pytester
import pytest
class TestParseIni:
@pytest.mark.parametrize(
"section, filename", [("pytest", "pytest.ini"), ("tool:pytest", "setup.cfg")]
)
def test_getcfg_and_config(
self,
pytester: Pytester,
tmp_path: Path,
section: str,
filename: str,
monkeypatch: MonkeyPatch,
) -> None:
sub = tmp_path / "sub"
sub.mkdir()
monkeypatch.chdir(sub)
(tmp_path / filename).write_text(
textwrap.dedent(
f"""\
[{section}]
name = value
"""
),
encoding="utf-8",
)
_, _, cfg = locate_config(Path.cwd(), [sub])
assert cfg["name"] == "value"
config = pytester.parseconfigure(str(sub))
assert config.inicfg["name"] == "value"
def test_setupcfg_uses_toolpytest_with_pytest(self, pytester: Pytester) -> None:
p1 = pytester.makepyfile("def test(): pass")
pytester.makefile(
".cfg",
setup=f"""
[tool:pytest]
testpaths={p1.name}
[pytest]
testpaths=ignored
""",
)
result = pytester.runpytest()
result.stdout.fnmatch_lines(["configfile: setup.cfg", "* 1 passed in *"])
assert result.ret == 0
def test_append_parse_args(
self, pytester: Pytester, tmp_path: Path, monkeypatch: MonkeyPatch
) -> None:
monkeypatch.setenv("PYTEST_ADDOPTS", '--color no -rs --tb="short"')
tmp_path.joinpath("pytest.ini").write_text(
textwrap.dedent(
"""\
[pytest]
addopts = --verbose
"""
),
encoding="utf-8",
)
config = pytester.parseconfig(tmp_path)
assert config.option.color == "no"
assert config.option.reportchars == "s"
assert config.option.tbstyle == "short"
assert config.option.verbose
def test_tox_ini_wrong_version(self, pytester: Pytester) -> None:
pytester.makefile(
".ini",
tox="""
[pytest]
minversion=999.0
""",
)
result = pytester.runpytest()
assert result.ret != 0
result.stderr.fnmatch_lines(
["*tox.ini: 'minversion' requires pytest-999.0, actual pytest-*"]
)
@pytest.mark.parametrize(
"section, name",
[
("tool:pytest", "setup.cfg"),
("pytest", "tox.ini"),
("pytest", "pytest.ini"),
("pytest", ".pytest.ini"),
],
)
def test_ini_names(self, pytester: Pytester, name, section) -> None:
pytester.path.joinpath(name).write_text(
textwrap.dedent(
f"""
[{section}]
minversion = 3.36
"""
),
encoding="utf-8",
)
config = pytester.parseconfig()
assert config.getini("minversion") == "3.36"
def test_pyproject_toml(self, pytester: Pytester) -> None:
pyproject_toml = pytester.makepyprojecttoml(
"""
[tool.pytest.ini_options]
minversion = "1.0"
"""
)
config = pytester.parseconfig()
assert config.inipath == pyproject_toml
assert config.getini("minversion") == "1.0"
def test_empty_pyproject_toml(self, pytester: Pytester) -> None:
"""An empty pyproject.toml is considered as config if no other option is found."""
pyproject_toml = pytester.makepyprojecttoml("")
config = pytester.parseconfig()
assert config.inipath == pyproject_toml
def test_empty_pyproject_toml_found_many(self, pytester: Pytester) -> None:
"""
In case we find multiple pyproject.toml files in our search, without a [tool.pytest.ini_options]
table and without finding other candidates, the closest to where we started wins.
"""
pytester.makefile(
".toml",
**{
"pyproject": "",
"foo/pyproject": "",
"foo/bar/pyproject": "",
},
)
config = pytester.parseconfig(pytester.path / "foo/bar")
assert config.inipath == pytester.path / "foo/bar/pyproject.toml"
def test_pytest_ini_trumps_pyproject_toml(self, pytester: Pytester) -> None:
"""A pytest.ini always take precedence over a pyproject.toml file."""
pytester.makepyprojecttoml("[tool.pytest.ini_options]")
pytest_ini = pytester.makefile(".ini", pytest="")
config = pytester.parseconfig()
assert config.inipath == pytest_ini
def test_toxini_before_lower_pytestini(self, pytester: Pytester) -> None:
sub = pytester.mkdir("sub")
sub.joinpath("tox.ini").write_text(
textwrap.dedent(
"""
[pytest]
minversion = 2.0
"""
),
encoding="utf-8",
)
pytester.path.joinpath("pytest.ini").write_text(
textwrap.dedent(
"""
[pytest]
minversion = 1.5
"""
),
encoding="utf-8",
)
config = pytester.parseconfigure(sub)
assert config.getini("minversion") == "2.0"
def test_ini_parse_error(self, pytester: Pytester) -> None:
pytester.path.joinpath("pytest.ini").write_text(
"addopts = -x", encoding="utf-8"
)
result = pytester.runpytest()
assert result.ret != 0
result.stderr.fnmatch_lines("ERROR: *pytest.ini:1: no section header defined")
def test_toml_parse_error(self, pytester: Pytester) -> None:
pytester.makepyprojecttoml(
"""
\\"
"""
)
result = pytester.runpytest()
assert result.ret != 0
result.stderr.fnmatch_lines("ERROR: *pyproject.toml: Invalid statement*")
def test_confcutdir_default_without_configfile(self, pytester: Pytester) -> None:
# If --confcutdir is not specified, and there is no configfile, default
# to the rootpath.
sub = pytester.mkdir("sub")
os.chdir(sub)
config = pytester.parseconfigure()
assert config.pluginmanager._confcutdir == sub
def test_confcutdir_default_with_configfile(self, pytester: Pytester) -> None:
# If --confcutdir is not specified, and there is a configfile, default
# to the configfile's directory.
pytester.makeini("[pytest]")
sub = pytester.mkdir("sub")
os.chdir(sub)
config = pytester.parseconfigure()
assert config.pluginmanager._confcutdir == pytester.path
@pytest.mark.xfail(reason="probably not needed")
def test_confcutdir(self, pytester: Pytester) -> None:
sub = pytester.mkdir("sub")
os.chdir(sub)
pytester.makeini(
"""
[pytest]
addopts = --qwe
"""
)
result = pytester.inline_run("--confcutdir=.")
assert result.ret == 0
@pytest.mark.parametrize(
"ini_file_text, invalid_keys, warning_output, exception_text",
[
pytest.param(
"""
[pytest]
unknown_ini = value1
another_unknown_ini = value2
""",
["unknown_ini", "another_unknown_ini"],
[
"=*= warnings summary =*=",
"*PytestConfigWarning:*Unknown config option: another_unknown_ini",
"*PytestConfigWarning:*Unknown config option: unknown_ini",
],
"Unknown config option: another_unknown_ini",
id="2-unknowns",
),
pytest.param(
"""
[pytest]
unknown_ini = value1
minversion = 5.0.0
""",
["unknown_ini"],
[
"=*= warnings summary =*=",
"*PytestConfigWarning:*Unknown config option: unknown_ini",
],
"Unknown config option: unknown_ini",
id="1-unknown",
),
pytest.param(
"""
[some_other_header]
unknown_ini = value1
[pytest]
minversion = 5.0.0
""",
[],
[],
"",
id="unknown-in-other-header",
),
pytest.param(
"""
[pytest]
minversion = 5.0.0
""",
[],
[],
"",
id="no-unknowns",
),
pytest.param(
"""
[pytest]
conftest_ini_key = 1
""",
[],
[],
"",
id="1-known",
),
],
)
@pytest.mark.filterwarnings("default")
def test_invalid_config_options(
self,
pytester: Pytester,
ini_file_text,
invalid_keys,
warning_output,
exception_text,
) -> None:
pytester.makeconftest(
"""
def pytest_addoption(parser):
parser.addini("conftest_ini_key", "")
"""
)
pytester.makepyfile("def test(): pass")
pytester.makeini(ini_file_text)
config = pytester.parseconfig()
assert sorted(config._get_unknown_ini_keys()) == sorted(invalid_keys)
result = pytester.runpytest()
result.stdout.fnmatch_lines(warning_output)
result = pytester.runpytest("--strict-config")
if exception_text:
result.stderr.fnmatch_lines("ERROR: " + exception_text)
assert result.ret == pytest.ExitCode.USAGE_ERROR
else:
result.stderr.no_fnmatch_line(exception_text)
assert result.ret == pytest.ExitCode.OK
@pytest.mark.filterwarnings("default")
def test_silence_unknown_key_warning(self, pytester: Pytester) -> None:
"""Unknown config key warnings can be silenced using filterwarnings (#7620)"""
pytester.makeini(
"""
[pytest]
filterwarnings =
ignore:Unknown config option:pytest.PytestConfigWarning
foobar=1
"""
)
result = pytester.runpytest()
result.stdout.no_fnmatch_line("*PytestConfigWarning*")
@pytest.mark.filterwarnings("default::pytest.PytestConfigWarning")
def test_disable_warnings_plugin_disables_config_warnings(
self, pytester: Pytester
) -> None:
"""Disabling 'warnings' plugin also disables config time warnings"""
pytester.makeconftest(
"""
import pytest
def pytest_configure(config):
config.issue_config_time_warning(
pytest.PytestConfigWarning("custom config warning"),
stacklevel=2,
)
"""
)
result = pytester.runpytest("-pno:warnings")
result.stdout.no_fnmatch_line("*PytestConfigWarning*")
@pytest.mark.parametrize(
"ini_file_text, plugin_version, exception_text",
[
pytest.param(
"""
[pytest]
required_plugins = a z
""",
"1.5",
"Missing required plugins: a, z",
id="2-missing",
),
pytest.param(
"""
[pytest]
required_plugins = a z myplugin
""",
"1.5",
"Missing required plugins: a, z",
id="2-missing-1-ok",
),
pytest.param(
"""
[pytest]
required_plugins = myplugin
""",
"1.5",
None,
id="1-ok",
),
pytest.param(
"""
[pytest]
required_plugins = myplugin==1.5
""",
"1.5",
None,
id="1-ok-pin-exact",
),
pytest.param(
"""
[pytest]
required_plugins = myplugin>1.0,<2.0
""",
"1.5",
None,
id="1-ok-pin-loose",
),
pytest.param(
"""
[pytest]
required_plugins = myplugin
""",
"1.5a1",
None,
id="1-ok-prerelease",
),
pytest.param(
"""
[pytest]
required_plugins = myplugin==1.6
""",
"1.5",
"Missing required plugins: myplugin==1.6",
id="missing-version",
),
pytest.param(
"""
[pytest]
required_plugins = myplugin==1.6 other==1.0
""",
"1.5",
"Missing required plugins: myplugin==1.6, other==1.0",
id="missing-versions",
),
pytest.param(
"""
[some_other_header]
required_plugins = won't be triggered
[pytest]
""",
"1.5",
None,
id="invalid-header",
),
],
)
def test_missing_required_plugins(
self,
pytester: Pytester,
monkeypatch: MonkeyPatch,
ini_file_text: str,
plugin_version: str,
exception_text: str,
) -> None:
"""Check 'required_plugins' option with various settings.
This test installs a mock "myplugin-1.5" which is used in the parametrized test cases.
"""
@dataclasses.dataclass
class DummyEntryPoint:
name: str
module: str
group: str = "pytest11"
def load(self):
__import__(self.module)
return sys.modules[self.module]
entry_points = [
DummyEntryPoint("myplugin1", "myplugin1_module"),
]
@dataclasses.dataclass
class DummyDist:
entry_points: object
files: object = ()
version: str = plugin_version
@property
def metadata(self):
return {"name": "myplugin"}
def my_dists():
return [DummyDist(entry_points)]
pytester.makepyfile(myplugin1_module="# my plugin module")
pytester.syspathinsert()
monkeypatch.setattr(importlib.metadata, "distributions", my_dists)
monkeypatch.delenv("PYTEST_DISABLE_PLUGIN_AUTOLOAD", raising=False)
pytester.makeini(ini_file_text)
if exception_text:
with pytest.raises(pytest.UsageError, match=exception_text):
pytester.parseconfig()
else:
pytester.parseconfig()
def test_early_config_cmdline(
self, pytester: Pytester, monkeypatch: MonkeyPatch
) -> None:
"""early_config contains options registered by third-party plugins.
This is a regression involving pytest-cov (and possibly others) introduced in #7700.
"""
pytester.makepyfile(
myplugin="""
def pytest_addoption(parser):
parser.addoption('--foo', default=None, dest='foo')
def pytest_load_initial_conftests(early_config, parser, args):
assert early_config.known_args_namespace.foo == "1"
"""
)
monkeypatch.setenv("PYTEST_PLUGINS", "myplugin")
pytester.syspathinsert()
result = pytester.runpytest("--foo=1")
result.stdout.fnmatch_lines("* no tests ran in *")
def test_args_source_args(self, pytester: Pytester):
config = pytester.parseconfig("--", "test_filename.py")
assert config.args_source == Config.ArgsSource.ARGS
def test_args_source_invocation_dir(self, pytester: Pytester):
config = pytester.parseconfig()
assert config.args_source == Config.ArgsSource.INVOCATION_DIR
def test_args_source_testpaths(self, pytester: Pytester):
pytester.makeini(
"""
[pytest]
testpaths=*
"""
)
config = pytester.parseconfig()
assert config.args_source == Config.ArgsSource.TESTPATHS
class TestConfigCmdlineParsing:
def test_parsing_again_fails(self, pytester: Pytester) -> None:
config = pytester.parseconfig()
pytest.raises(AssertionError, lambda: config.parse([]))
def test_explicitly_specified_config_file_is_loaded(
self, pytester: Pytester
) -> None:
pytester.makeconftest(
"""
def pytest_addoption(parser):
parser.addini("custom", "")
"""
)
pytester.makeini(
"""
[pytest]
custom = 0
"""
)
pytester.makefile(
".ini",
custom="""
[pytest]
custom = 1
""",
)
config = pytester.parseconfig("-c", "custom.ini")
assert config.getini("custom") == "1"
config = pytester.parseconfig("--config-file", "custom.ini")
assert config.getini("custom") == "1"
pytester.makefile(
".cfg",
custom_tool_pytest_section="""
[tool:pytest]
custom = 1
""",
)
config = pytester.parseconfig("-c", "custom_tool_pytest_section.cfg")
assert config.getini("custom") == "1"
config = pytester.parseconfig("--config-file", "custom_tool_pytest_section.cfg")
assert config.getini("custom") == "1"
pytester.makefile(
".toml",
custom="""
[tool.pytest.ini_options]
custom = 1
value = [
] # this is here on purpose, as it makes this an invalid '.ini' file
""",
)
config = pytester.parseconfig("-c", "custom.toml")
assert config.getini("custom") == "1"
config = pytester.parseconfig("--config-file", "custom.toml")
assert config.getini("custom") == "1"
def test_absolute_win32_path(self, pytester: Pytester) -> None:
temp_ini_file = pytester.makefile(
".ini",
custom="""
[pytest]
addopts = --version
""",
)
from os.path import normpath
temp_ini_file_norm = normpath(str(temp_ini_file))
ret = pytest.main(["-c", temp_ini_file_norm])
assert ret == ExitCode.OK
ret = pytest.main(["--config-file", temp_ini_file_norm])
assert ret == ExitCode.OK
class TestConfigAPI:
def test_config_trace(self, pytester: Pytester) -> None:
config = pytester.parseconfig()
values: list[str] = []
config.trace.root.setwriter(values.append)
config.trace("hello")
assert len(values) == 1
assert values[0] == "hello [config]\n"
def test_config_getoption_declared_option_name(self, pytester: Pytester) -> None:
pytester.makeconftest(
"""
def pytest_addoption(parser):
parser.addoption("--hello", "-X", dest="hello")
"""
)
config = pytester.parseconfig("--hello=this")
for x in ("hello", "--hello", "-X"):
assert config.getoption(x) == "this"
pytest.raises(ValueError, config.getoption, "qweqwe")
config_novalue = pytester.parseconfig()
assert config_novalue.getoption("hello") is None
assert config_novalue.getoption("hello", default=1) is None
assert config_novalue.getoption("hello", default=1, skip=True) == 1
def test_config_getoption_undeclared_option_name(self, pytester: Pytester) -> None:
config = pytester.parseconfig()
with pytest.raises(ValueError):
config.getoption("x")
assert config.getoption("x", default=1) == 1
assert config.getoption("x", default=1, skip=True) == 1
def test_config_getoption_unicode(self, pytester: Pytester) -> None:
pytester.makeconftest(
"""
def pytest_addoption(parser):
parser.addoption('--hello', type=str)
"""
)
config = pytester.parseconfig("--hello=this")
assert config.getoption("hello") == "this"
def test_config_getvalueorskip(self, pytester: Pytester) -> None:
config = pytester.parseconfig()
pytest.raises(pytest.skip.Exception, config.getvalueorskip, "hello")
verbose = config.getvalueorskip("verbose")
assert verbose == config.option.verbose
def test_config_getvalueorskip_None(self, pytester: Pytester) -> None:
pytester.makeconftest(
"""
def pytest_addoption(parser):
parser.addoption("--hello")
"""
)
config = pytester.parseconfig()
with pytest.raises(pytest.skip.Exception):
config.getvalueorskip("hello")
def test_getconftest_pathlist(self, pytester: Pytester, tmp_path: Path) -> None:
somepath = tmp_path.joinpath("x", "y", "z")
p = tmp_path.joinpath("conftest.py")
p.write_text(f"mylist = {['.', str(somepath)]}", encoding="utf-8")
config = pytester.parseconfigure(p)
assert config._getconftest_pathlist("notexist", path=tmp_path) is None
assert config._getconftest_pathlist("mylist", path=tmp_path) == [
tmp_path,
somepath,
]
@pytest.mark.parametrize("maybe_type", ["not passed", "None", '"string"'])
def test_addini(self, pytester: Pytester, maybe_type: str) -> None:
if maybe_type == "not passed":
type_string = ""
else:
type_string = f", {maybe_type}"
pytester.makeconftest(
f"""
def pytest_addoption(parser):
parser.addini("myname", "my new ini value"{type_string})
"""
)
pytester.makeini(
"""
[pytest]
myname=hello
"""
)
config = pytester.parseconfig()
val = config.getini("myname")
assert val == "hello"
pytest.raises(ValueError, config.getini, "other")
@pytest.mark.parametrize("config_type", ["ini", "pyproject"])
def test_addini_paths(self, pytester: Pytester, config_type: str) -> None:
pytester.makeconftest(
"""
def pytest_addoption(parser):
parser.addini("paths", "my new ini value", type="paths")
parser.addini("abc", "abc value")
"""
)
if config_type == "ini":
inipath = pytester.makeini(
"""
[pytest]
paths=hello world/sub.py
"""
)
elif config_type == "pyproject":
inipath = pytester.makepyprojecttoml(
"""
[tool.pytest.ini_options]
paths=["hello", "world/sub.py"]
"""
)
config = pytester.parseconfig()
values = config.getini("paths")
assert len(values) == 2
assert values[0] == inipath.parent.joinpath("hello")
assert values[1] == inipath.parent.joinpath("world/sub.py")
pytest.raises(ValueError, config.getini, "other")
def make_conftest_for_args(self, pytester: Pytester) -> None:
pytester.makeconftest(
"""
def pytest_addoption(parser):
parser.addini("args", "new args", type="args")
parser.addini("a2", "", "args", default="1 2 3".split())
"""
)
def test_addini_args_ini_files(self, pytester: Pytester) -> None:
self.make_conftest_for_args(pytester)
pytester.makeini(
"""
[pytest]
args=123 "123 hello" "this"
"""
)
self.check_config_args(pytester)
def test_addini_args_pyproject_toml(self, pytester: Pytester) -> None:
self.make_conftest_for_args(pytester)
pytester.makepyprojecttoml(
"""
[tool.pytest.ini_options]
args = ["123", "123 hello", "this"]
"""
)
self.check_config_args(pytester)
def check_config_args(self, pytester: Pytester) -> None:
config = pytester.parseconfig()
values = config.getini("args")
assert values == ["123", "123 hello", "this"]
values = config.getini("a2")
assert values == list("123")
def make_conftest_for_linelist(self, pytester: Pytester) -> None:
pytester.makeconftest(
"""
def pytest_addoption(parser):
parser.addini("xy", "", type="linelist")
parser.addini("a2", "", "linelist")
"""
)
def test_addini_linelist_ini_files(self, pytester: Pytester) -> None:
self.make_conftest_for_linelist(pytester)
pytester.makeini(
"""
[pytest]
xy= 123 345
second line
"""
)
self.check_config_linelist(pytester)
def test_addini_linelist_pprojecttoml(self, pytester: Pytester) -> None:
self.make_conftest_for_linelist(pytester)
pytester.makepyprojecttoml(
"""
[tool.pytest.ini_options]
xy = ["123 345", "second line"]
"""
)
self.check_config_linelist(pytester)
def check_config_linelist(self, pytester: Pytester) -> None:
config = pytester.parseconfig()
values = config.getini("xy")
assert len(values) == 2
assert values == ["123 345", "second line"]
values = config.getini("a2")
assert values == []
@pytest.mark.parametrize(
"str_val, bool_val", [("True", True), ("no", False), ("no-ini", True)]
)
def test_addini_bool(
self, pytester: Pytester, str_val: str, bool_val: bool
) -> None:
pytester.makeconftest(
"""
def pytest_addoption(parser):
parser.addini("strip", "", type="bool", default=True)
"""
)
if str_val != "no-ini":
pytester.makeini(
f"""
[pytest]
strip={str_val}
"""
)
config = pytester.parseconfig()
assert config.getini("strip") is bool_val
@pytest.mark.parametrize("str_val, int_val", [("10", 10), ("no-ini", 2)])
def test_addini_int(self, pytester: Pytester, str_val: str, int_val: bool) -> None:
pytester.makeconftest(
"""
def pytest_addoption(parser):
parser.addini("ini_param", "", type="int", default=2)
"""
)
if str_val != "no-ini":
pytester.makeini(
f"""
[pytest]
ini_param={str_val}
"""
)
config = pytester.parseconfig()
assert config.getini("ini_param") == int_val
def test_addini_int_invalid(self, pytester: Pytester) -> None:
pytester.makeconftest(
"""
def pytest_addoption(parser):
parser.addini("ini_param", "", type="int", default=2)
"""
)
pytester.makepyprojecttoml(
"""
[tool.pytest.ini_options]
ini_param=["foo"]
"""
)
config = pytester.parseconfig()
with pytest.raises(
TypeError, match="Expected an int string for option ini_param"
):
_ = config.getini("ini_param")
@pytest.mark.parametrize("str_val, float_val", [("10.5", 10.5), ("no-ini", 2.2)])
def test_addini_float(
self, pytester: Pytester, str_val: str, float_val: bool
) -> None:
pytester.makeconftest(
"""
def pytest_addoption(parser):
parser.addini("ini_param", "", type="float", default=2.2)
"""
)
if str_val != "no-ini":
pytester.makeini(
f"""
[pytest]
ini_param={str_val}
"""
)
config = pytester.parseconfig()
assert config.getini("ini_param") == float_val
def test_addini_float_invalid(self, pytester: Pytester) -> None:
pytester.makeconftest(
"""
def pytest_addoption(parser):
parser.addini("ini_param", "", type="float", default=2.2)
"""
)
pytester.makepyprojecttoml(
"""
[tool.pytest.ini_options]
ini_param=["foo"]
"""
)
config = pytester.parseconfig()
with pytest.raises(
TypeError, match="Expected a float string for option ini_param"
):
_ = config.getini("ini_param")
def test_addinivalue_line_existing(self, pytester: Pytester) -> None:
pytester.makeconftest(
"""
def pytest_addoption(parser):
parser.addini("xy", "", type="linelist")
"""
)
pytester.makeini(
"""
[pytest]
xy= 123
"""
)
config = pytester.parseconfig()
values = config.getini("xy")
assert len(values) == 1
assert values == ["123"]
config.addinivalue_line("xy", "456")
values = config.getini("xy")
assert len(values) == 2
assert values == ["123", "456"]
def test_addinivalue_line_new(self, pytester: Pytester) -> None:
pytester.makeconftest(
"""
def pytest_addoption(parser):
parser.addini("xy", "", type="linelist")
"""
)
config = pytester.parseconfig()
assert not config.getini("xy")
config.addinivalue_line("xy", "456")
values = config.getini("xy")
assert len(values) == 1
assert values == ["456"]
config.addinivalue_line("xy", "123")
values = config.getini("xy")
assert len(values) == 2
assert values == ["456", "123"]
def test_addini_default_values(self, pytester: Pytester) -> None:
"""Tests the default values for configuration based on
config type
"""
pytester.makeconftest(
"""
def pytest_addoption(parser):
parser.addini("linelist1", "", type="linelist")
parser.addini("paths1", "", type="paths")
parser.addini("pathlist1", "", type="pathlist")
parser.addini("args1", "", type="args")
parser.addini("bool1", "", type="bool")
parser.addini("string1", "", type="string")
parser.addini("none_1", "", type="linelist", default=None)
parser.addini("none_2", "", default=None)
parser.addini("no_type", "")
"""
)
config = pytester.parseconfig()
# default for linelist, paths, pathlist and args is []
value = config.getini("linelist1")
assert value == []
value = config.getini("paths1")
assert value == []
value = config.getini("pathlist1")
assert value == []
value = config.getini("args1")
assert value == []
# default for bool is False
value = config.getini("bool1")
assert value is False
# default for string is ""
value = config.getini("string1")
assert value == ""
# should return None if None is explicitly set as default value
# irrespective of the type argument
value = config.getini("none_1")
assert value is None
value = config.getini("none_2")
assert value is None
# in case no type is provided and no default set
# treat it as string and default value will be ""
value = config.getini("no_type")
assert value == ""
@pytest.mark.parametrize(
"type, expected",
[
pytest.param(None, "", id="None"),
pytest.param("string", "", id="string"),
pytest.param("paths", [], id="paths"),
pytest.param("pathlist", [], id="pathlist"),
pytest.param("args", [], id="args"),
pytest.param("linelist", [], id="linelist"),
pytest.param("bool", False, id="bool"),
],
)
def test_get_ini_default_for_type(self, type: Any, expected: Any) -> None:
assert get_ini_default_for_type(type) == expected
def test_confcutdir_check_isdir(self, pytester: Pytester) -> None:
"""Give an error if --confcutdir is not a valid directory (#2078)"""
exp_match = r"^--confcutdir must be a directory, given: "
with pytest.raises(pytest.UsageError, match=exp_match):
pytester.parseconfig("--confcutdir", pytester.path.joinpath("file"))
with pytest.raises(pytest.UsageError, match=exp_match):
pytester.parseconfig("--confcutdir", pytester.path.joinpath("nonexistent"))
p = pytester.mkdir("dir")
config = pytester.parseconfig("--confcutdir", p)
assert config.getoption("confcutdir") == str(p)
@pytest.mark.parametrize(
"names, expected",
[
# dist-info based distributions root are files as will be put in PYTHONPATH
(["bar.py"], ["bar"]),
(["foo/bar.py"], ["bar"]),
(["foo/bar.pyc"], []),
(["foo/__init__.py"], ["foo"]),
(["bar/__init__.py", "xz.py"], ["bar", "xz"]),
(["setup.py"], []),
# egg based distributions root contain the files from the dist root
(["src/bar/__init__.py"], ["bar"]),
(["src/bar/__init__.py", "setup.py"], ["bar"]),
(["source/python/bar/__init__.py", "setup.py"], ["bar"]),
# editable installation finder modules
(["__editable___xyz_finder.py"], []),
(["bar/__init__.py", "__editable___xyz_finder.py"], ["bar"]),
],
)
def test_iter_rewritable_modules(self, names, expected) -> None:
assert list(_iter_rewritable_modules(names)) == expected
def test_add_cleanup(self, pytester: Pytester) -> None:
config = Config.fromdictargs({}, [])
config._do_configure()
report = []
class MyError(BaseException):
pass
@config.add_cleanup
def cleanup_last():
report.append("cleanup_last")
@config.add_cleanup
def raise_2():
report.append("raise_2")
raise MyError("raise_2")
@config.add_cleanup
def raise_1():
report.append("raise_1")
raise MyError("raise_1")
@config.add_cleanup
def cleanup_first():
report.append("cleanup_first")
with pytest.raises(MyError, match=r"raise_2"):
config._ensure_unconfigure()
assert report == ["cleanup_first", "raise_1", "raise_2", "cleanup_last"]
class TestConfigFromdictargs:
def test_basic_behavior(self, _sys_snapshot) -> None:
option_dict = {"verbose": 444, "foo": "bar", "capture": "no"}
args = ["a", "b"]
config = Config.fromdictargs(option_dict, args)
with pytest.raises(AssertionError):
config.parse(["should refuse to parse again"])
assert config.option.verbose == 444
assert config.option.foo == "bar"
assert config.option.capture == "no"
assert config.args == args
def test_invocation_params_args(self, _sys_snapshot) -> None:
"""Show that fromdictargs can handle args in their "orig" format"""
option_dict: dict[str, object] = {}
args = ["-vvvv", "-s", "a", "b"]
config = Config.fromdictargs(option_dict, args)
assert config.args == ["a", "b"]
assert config.invocation_params.args == tuple(args)
assert config.option.verbose == 4
assert config.option.capture == "no"
def test_inifilename(self, tmp_path: Path) -> None:
d1 = tmp_path.joinpath("foo")
d1.mkdir()
p1 = d1.joinpath("bar.ini")
p1.touch()
p1.write_text(
textwrap.dedent(
"""\
[pytest]
name = value
"""
),
encoding="utf-8",
)
inifilename = "../../foo/bar.ini"
option_dict = {"inifilename": inifilename, "capture": "no"}
cwd = tmp_path.joinpath("a/b")
cwd.mkdir(parents=True)
p2 = cwd.joinpath("pytest.ini")
p2.touch()
p2.write_text(
textwrap.dedent(
"""\
[pytest]
name = wrong-value
should_not_be_set = true
"""
),
encoding="utf-8",
)
with MonkeyPatch.context() as mp:
mp.chdir(cwd)
config = Config.fromdictargs(option_dict, ())
inipath = absolutepath(inifilename)
assert config.args == [str(cwd)]
assert config.option.inifilename == inifilename
assert config.option.capture == "no"
# this indicates this is the file used for getting configuration values
assert config.inipath == inipath
assert config.inicfg.get("name") == "value"
assert config.inicfg.get("should_not_be_set") is None
def test_options_on_small_file_do_not_blow_up(pytester: Pytester) -> None:
def runfiletest(opts: Sequence[str]) -> None:
reprec = pytester.inline_run(*opts)
passed, skipped, failed = reprec.countoutcomes()
assert failed == 2
assert skipped == passed == 0
path = str(
pytester.makepyfile(
"""
def test_f1(): assert 0
def test_f2(): assert 0
"""
)
)
runfiletest([path])
runfiletest(["-l", path])
runfiletest(["-s", path])
runfiletest(["--tb=no", path])
runfiletest(["--tb=short", path])
runfiletest(["--tb=long", path])
runfiletest(["--fulltrace", path])
runfiletest(["--traceconfig", path])
runfiletest(["-v", path])
runfiletest(["-v", "-v", path])
def test_preparse_ordering_with_setuptools(
pytester: Pytester, monkeypatch: MonkeyPatch
) -> None:
monkeypatch.delenv("PYTEST_DISABLE_PLUGIN_AUTOLOAD", raising=False)
class EntryPoint:
name = "mytestplugin"
group = "pytest11"
def load(self):
class PseudoPlugin:
x = 42
return PseudoPlugin()
class Dist:
files = ()
metadata = {"name": "foo"}
entry_points = (EntryPoint(),)
def my_dists():
return (Dist,)
monkeypatch.setattr(importlib.metadata, "distributions", my_dists)
pytester.makeconftest(
"""
pytest_plugins = "mytestplugin",
"""
)
monkeypatch.setenv("PYTEST_PLUGINS", "mytestplugin")
config = pytester.parseconfig()
plugin = config.pluginmanager.getplugin("mytestplugin")
assert plugin.x == 42
def test_setuptools_importerror_issue1479(
pytester: Pytester, monkeypatch: MonkeyPatch
) -> None:
monkeypatch.delenv("PYTEST_DISABLE_PLUGIN_AUTOLOAD", raising=False)
class DummyEntryPoint:
name = "mytestplugin"
group = "pytest11"
def load(self):
raise ImportError("Don't hide me!")
class Distribution:
version = "1.0"
files = ("foo.txt",)
metadata = {"name": "foo"}
entry_points = (DummyEntryPoint(),)
def distributions():
return (Distribution(),)
monkeypatch.setattr(importlib.metadata, "distributions", distributions)
with pytest.raises(ImportError):
pytester.parseconfig()
def test_importlib_metadata_broken_distribution(
pytester: Pytester, monkeypatch: MonkeyPatch
) -> None:
"""Integration test for broken distributions with 'files' metadata being None (#5389)"""
monkeypatch.delenv("PYTEST_DISABLE_PLUGIN_AUTOLOAD", raising=False)
class DummyEntryPoint:
name = "mytestplugin"
group = "pytest11"
def load(self):
return object()
class Distribution:
version = "1.0"
files = None
metadata = {"name": "foo"}
entry_points = (DummyEntryPoint(),)
def distributions():
return (Distribution(),)
monkeypatch.setattr(importlib.metadata, "distributions", distributions)
pytester.parseconfig()
@pytest.mark.parametrize("block_it", [True, False])
def test_plugin_preparse_prevents_setuptools_loading(
pytester: Pytester, monkeypatch: MonkeyPatch, block_it: bool
) -> None:
monkeypatch.delenv("PYTEST_DISABLE_PLUGIN_AUTOLOAD", raising=False)
plugin_module_placeholder = object()
class DummyEntryPoint:
name = "mytestplugin"
group = "pytest11"
def load(self):
return plugin_module_placeholder
class Distribution:
version = "1.0"
files = ("foo.txt",)
metadata = {"name": "foo"}
entry_points = (DummyEntryPoint(),)
def distributions():
return (Distribution(),)
monkeypatch.setattr(importlib.metadata, "distributions", distributions)
args = ("-p", "no:mytestplugin") if block_it else ()
config = pytester.parseconfig(*args)
config.pluginmanager.import_plugin("mytestplugin")
if block_it:
assert "mytestplugin" not in sys.modules
assert config.pluginmanager.get_plugin("mytestplugin") is None
else:
assert (
config.pluginmanager.get_plugin("mytestplugin") is plugin_module_placeholder
)
@pytest.mark.parametrize("disable_plugin_method", ["env_var", "flag", ""])
@pytest.mark.parametrize("enable_plugin_method", ["env_var", "flag", ""])
def test_disable_plugin_autoload(
pytester: Pytester,
monkeypatch: MonkeyPatch,
enable_plugin_method: str,
disable_plugin_method: str,
) -> None:
class DummyEntryPoint:
project_name = name = "mytestplugin"
group = "pytest11"
version = "1.0"
def load(self):
return sys.modules[self.name]
class Distribution:
metadata = {"name": "foo"}
entry_points = (DummyEntryPoint(),)
files = ()
class PseudoPlugin:
x = 42
attrs_used = []
def __getattr__(self, name):
assert name in ("__loader__", "__spec__")
self.attrs_used.append(name)
return object()
def distributions():
return (Distribution(),)
parse_args: list[str] = []
if disable_plugin_method == "env_var":
monkeypatch.setenv("PYTEST_DISABLE_PLUGIN_AUTOLOAD", "1")
elif disable_plugin_method == "flag":
monkeypatch.delenv("PYTEST_DISABLE_PLUGIN_AUTOLOAD")
parse_args.append("--disable-plugin-autoload")
else:
assert disable_plugin_method == ""
monkeypatch.delenv("PYTEST_DISABLE_PLUGIN_AUTOLOAD")
if enable_plugin_method == "env_var":
monkeypatch.setenv("PYTEST_PLUGINS", "mytestplugin")
elif enable_plugin_method == "flag":
parse_args.extend(["-p", "mytestplugin"])
else:
assert enable_plugin_method == ""
monkeypatch.setattr(importlib.metadata, "distributions", distributions)
monkeypatch.setitem(sys.modules, "mytestplugin", PseudoPlugin())
config = pytester.parseconfig(*parse_args)
has_loaded = config.pluginmanager.get_plugin("mytestplugin") is not None
# it should load if it's enabled, or we haven't disabled autoloading
assert has_loaded == (bool(enable_plugin_method) or not disable_plugin_method)
# The reason for the discrepancy between 'has_loaded' and __loader__ being accessed
# appears to be the monkeypatching of importlib.metadata.distributions; where
# files being empty means that _mark_plugins_for_rewrite doesn't find the plugin.
# But enable_method==flag ends up in mark_rewrite being called and __loader__
# being accessed.
assert ("__loader__" in PseudoPlugin.attrs_used) == (
has_loaded
and not (enable_plugin_method in ("env_var", "") and not disable_plugin_method)
)
# __spec__ is accessed in AssertionRewritingHook.exec_module, which would be
# eventually called if we did a full pytest run; but it's only accessed with
# enable_plugin_method=="env_var" because that will early-load it.
# Except when autoloads aren't disabled, in which case PytestPluginManager.import_plugin
# bails out before importing it.. because it knows it'll be loaded later?
# The above seems a bit weird, but I *think* it's true.
if platform.python_implementation() != "PyPy":
assert ("__spec__" in PseudoPlugin.attrs_used) == bool(
enable_plugin_method == "env_var" and disable_plugin_method
)
# __spec__ is present when testing locally on pypy, but not in CI ????
def test_plugin_loading_order(pytester: Pytester) -> None:
"""Test order of plugin loading with `-p`."""
p1 = pytester.makepyfile(
"""
def test_terminal_plugin(request):
import myplugin
assert myplugin.terminal_plugin == [False, True]
""",
myplugin="""
terminal_plugin = []
def pytest_configure(config):
terminal_plugin.append(bool(config.pluginmanager.get_plugin("terminalreporter")))
def pytest_sessionstart(session):
config = session.config
terminal_plugin.append(bool(config.pluginmanager.get_plugin("terminalreporter")))
""",
)
pytester.syspathinsert()
result = pytester.runpytest("-p", "myplugin", str(p1))
assert result.ret == 0
def test_invalid_options_show_extra_information(pytester: Pytester) -> None:
"""Display extra information when pytest exits due to unrecognized
options in the command-line."""
pytester.makeini(
"""
[pytest]
addopts = --invalid-option
"""
)
result = pytester.runpytest()
result.stderr.fnmatch_lines(
[
"*error: unrecognized arguments: --invalid-option*",
"* inifile: {}*".format(pytester.path.joinpath("tox.ini")),
f"* rootdir: {pytester.path}*",
]
)
@pytest.mark.parametrize(
"args",
[
["dir1", "dir2", "-v"],
["dir1", "-v", "dir2"],
["dir2", "-v", "dir1"],
["-v", "dir2", "dir1"],
],
)
def test_consider_args_after_options_for_rootdir(
pytester: Pytester, args: list[str]
) -> None:
"""
Consider all arguments in the command-line for rootdir
discovery, even if they happen to occur after an option. #949
"""
# replace "dir1" and "dir2" from "args" into their real directory
root = pytester.mkdir("myroot")
d1 = root.joinpath("dir1")
d1.mkdir()
d2 = root.joinpath("dir2")
d2.mkdir()
for i, arg in enumerate(args):
if arg == "dir1":
args[i] = str(d1)
elif arg == "dir2":
args[i] = str(d2)
with MonkeyPatch.context() as mp:
mp.chdir(root)
result = pytester.runpytest(*args)
result.stdout.fnmatch_lines(["*rootdir: *myroot"])
def test_toolongargs_issue224(pytester: Pytester) -> None:
result = pytester.runpytest("-m", "hello" * 500)
assert result.ret == ExitCode.NO_TESTS_COLLECTED
def test_config_in_subdirectory_colon_command_line_issue2148(
pytester: Pytester,
) -> None:
conftest_source = """
def pytest_addoption(parser):
parser.addini('foo', 'foo')
"""
pytester.makefile(
".ini",
**{"pytest": "[pytest]\nfoo = root", "subdir/pytest": "[pytest]\nfoo = subdir"},
)
pytester.makepyfile(
**{
"conftest": conftest_source,
"subdir/conftest": conftest_source,
"subdir/test_foo": """\
def test_foo(pytestconfig):
assert pytestconfig.getini('foo') == 'subdir'
""",
}
)
result = pytester.runpytest("subdir/test_foo.py::test_foo")
assert result.ret == 0
def test_notify_exception(pytester: Pytester, capfd) -> None:
config = pytester.parseconfig()
with pytest.raises(ValueError) as excinfo:
raise ValueError(1)
config.notify_exception(excinfo, config.option)
_, err = capfd.readouterr()
assert "ValueError" in err
class A:
def pytest_internalerror(self):
return True
config.pluginmanager.register(A())
config.notify_exception(excinfo, config.option)
_, err = capfd.readouterr()
assert not err
config = pytester.parseconfig("-p", "no:terminal")
with pytest.raises(ValueError) as excinfo:
raise ValueError(1)
config.notify_exception(excinfo, config.option)
_, err = capfd.readouterr()
assert "ValueError" in err
def test_no_terminal_discovery_error(pytester: Pytester) -> None:
pytester.makepyfile("raise TypeError('oops!')")
result = pytester.runpytest("-p", "no:terminal", "--collect-only")
assert result.ret == ExitCode.INTERRUPTED
def test_load_initial_conftest_last_ordering(_config_for_test):
pm = _config_for_test.pluginmanager
class My:
def pytest_load_initial_conftests(self):
pass
m = My()
pm.register(m)
hc = pm.hook.pytest_load_initial_conftests
hookimpls = [
(
hookimpl.function.__module__,
"wrapper" if (hookimpl.wrapper or hookimpl.hookwrapper) else "nonwrapper",
)
for hookimpl in hc.get_hookimpls()
]
assert hookimpls == [
("_pytest.config", "nonwrapper"),
(m.__module__, "nonwrapper"),
("_pytest.legacypath", "nonwrapper"),
("_pytest.capture", "wrapper"),
("_pytest.warnings", "wrapper"),
]
def test_get_plugin_specs_as_list() -> None:
def exp_match(val: object) -> str:
return (
f"Plugins may be specified as a sequence or a ','-separated string "
f"of plugin names. Got: {re.escape(repr(val))}"
)
with pytest.raises(pytest.UsageError, match=exp_match({"foo"})):
_get_plugin_specs_as_list({"foo"}) # type: ignore[arg-type]
with pytest.raises(pytest.UsageError, match=exp_match({})):
_get_plugin_specs_as_list(dict()) # type: ignore[arg-type]
assert _get_plugin_specs_as_list(None) == []
assert _get_plugin_specs_as_list("") == []
assert _get_plugin_specs_as_list("foo") == ["foo"]
assert _get_plugin_specs_as_list("foo,bar") == ["foo", "bar"]
assert _get_plugin_specs_as_list(["foo", "bar"]) == ["foo", "bar"]
assert _get_plugin_specs_as_list(("foo", "bar")) == ["foo", "bar"]
def test_collect_pytest_prefix_bug_integration(pytester: Pytester) -> None:
"""Integration test for issue #3775"""
p = pytester.copy_example("config/collect_pytest_prefix")
result = pytester.runpytest(p)
result.stdout.fnmatch_lines(["* 1 passed *"])
def test_collect_pytest_prefix_bug(pytestconfig):
"""Ensure we collect only actual functions from conftest files (#3775)"""
class Dummy:
class pytest_something:
pass
pm = pytestconfig.pluginmanager
assert pm.parse_hookimpl_opts(Dummy(), "pytest_something") is None
class TestRootdir:
def test_simple_noini(self, tmp_path: Path, monkeypatch: MonkeyPatch) -> None:
assert get_common_ancestor(Path.cwd(), [tmp_path]) == tmp_path
a = tmp_path / "a"
a.mkdir()
assert get_common_ancestor(Path.cwd(), [a, tmp_path]) == tmp_path
assert get_common_ancestor(Path.cwd(), [tmp_path, a]) == tmp_path
monkeypatch.chdir(tmp_path)
assert get_common_ancestor(Path.cwd(), []) == tmp_path
no_path = tmp_path / "does-not-exist"
assert get_common_ancestor(Path.cwd(), [no_path]) == tmp_path
assert get_common_ancestor(Path.cwd(), [no_path / "a"]) == tmp_path
@pytest.mark.parametrize(
"name, contents",
[
pytest.param("pytest.ini", "[pytest]\nx=10", id="pytest.ini"),
pytest.param(
"pyproject.toml", "[tool.pytest.ini_options]\nx=10", id="pyproject.toml"
),
pytest.param("tox.ini", "[pytest]\nx=10", id="tox.ini"),
pytest.param("setup.cfg", "[tool:pytest]\nx=10", id="setup.cfg"),
],
)
def test_with_ini(self, tmp_path: Path, name: str, contents: str) -> None:
inipath = tmp_path / name
inipath.write_text(contents, encoding="utf-8")
a = tmp_path / "a"
a.mkdir()
b = a / "b"
b.mkdir()
for args in ([str(tmp_path)], [str(a)], [str(b)]):
rootpath, parsed_inipath, _ = determine_setup(
inifile=None,
args=args,
rootdir_cmd_arg=None,
invocation_dir=Path.cwd(),
)
assert rootpath == tmp_path
assert parsed_inipath == inipath
rootpath, parsed_inipath, ini_config = determine_setup(
inifile=None,
args=[str(b), str(a)],
rootdir_cmd_arg=None,
invocation_dir=Path.cwd(),
)
assert rootpath == tmp_path
assert parsed_inipath == inipath
assert ini_config == {"x": "10"}
@pytest.mark.parametrize("name", ["setup.cfg", "tox.ini"])
def test_pytestini_overrides_empty_other(self, tmp_path: Path, name: str) -> None:
inipath = tmp_path / "pytest.ini"
inipath.touch()
a = tmp_path / "a"
a.mkdir()
(a / name).touch()
rootpath, parsed_inipath, _ = determine_setup(
inifile=None,
args=[str(a)],
rootdir_cmd_arg=None,
invocation_dir=Path.cwd(),
)
assert rootpath == tmp_path
assert parsed_inipath == inipath
def test_setuppy_fallback(self, tmp_path: Path) -> None:
a = tmp_path / "a"
a.mkdir()
(a / "setup.cfg").touch()
(tmp_path / "setup.py").touch()
rootpath, inipath, inicfg = determine_setup(
inifile=None,
args=[str(a)],
rootdir_cmd_arg=None,
invocation_dir=Path.cwd(),
)
assert rootpath == tmp_path
assert inipath is None
assert inicfg == {}
def test_nothing(self, tmp_path: Path, monkeypatch: MonkeyPatch) -> None:
monkeypatch.chdir(tmp_path)
rootpath, inipath, inicfg = determine_setup(
inifile=None,
args=[str(tmp_path)],
rootdir_cmd_arg=None,
invocation_dir=Path.cwd(),
)
assert rootpath == tmp_path
assert inipath is None
assert inicfg == {}
@pytest.mark.parametrize(
"name, contents",
[
# pytest.param("pytest.ini", "[pytest]\nx=10", id="pytest.ini"),
pytest.param(
"pyproject.toml", "[tool.pytest.ini_options]\nx=10", id="pyproject.toml"
),
# pytest.param("tox.ini", "[pytest]\nx=10", id="tox.ini"),
# pytest.param("setup.cfg", "[tool:pytest]\nx=10", id="setup.cfg"),
],
)
def test_with_specific_inifile(
self, tmp_path: Path, name: str, contents: str
) -> None:
p = tmp_path / name
p.touch()
p.write_text(contents, encoding="utf-8")
rootpath, inipath, ini_config = determine_setup(
inifile=str(p),
args=[str(tmp_path)],
rootdir_cmd_arg=None,
invocation_dir=Path.cwd(),
)
assert rootpath == tmp_path
assert inipath == p
assert ini_config == {"x": "10"}
def test_explicit_config_file_sets_rootdir(
self, tmp_path: Path, monkeypatch: pytest.MonkeyPatch
) -> None:
tests_dir = tmp_path / "tests"
tests_dir.mkdir()
monkeypatch.chdir(tmp_path)
# No config file is explicitly given: rootdir is determined to be cwd.
rootpath, found_inipath, *_ = determine_setup(
inifile=None,
args=[str(tests_dir)],
rootdir_cmd_arg=None,
invocation_dir=Path.cwd(),
)
assert rootpath == tmp_path
assert found_inipath is None
# Config file is explicitly given: rootdir is determined to be inifile's directory.
inipath = tmp_path / "pytest.ini"
inipath.touch()
rootpath, found_inipath, *_ = determine_setup(
inifile=str(inipath),
args=[str(tests_dir)],
rootdir_cmd_arg=None,
invocation_dir=Path.cwd(),
)
assert rootpath == tmp_path
assert found_inipath == inipath
def test_with_arg_outside_cwd_without_inifile(
self, tmp_path: Path, monkeypatch: MonkeyPatch
) -> None:
monkeypatch.chdir(tmp_path)
a = tmp_path / "a"
a.mkdir()
b = tmp_path / "b"
b.mkdir()
rootpath, inifile, _ = determine_setup(
inifile=None,
args=[str(a), str(b)],
rootdir_cmd_arg=None,
invocation_dir=Path.cwd(),
)
assert rootpath == tmp_path
assert inifile is None
def test_with_arg_outside_cwd_with_inifile(self, tmp_path: Path) -> None:
a = tmp_path / "a"
a.mkdir()
b = tmp_path / "b"
b.mkdir()
inipath = a / "pytest.ini"
inipath.touch()
rootpath, parsed_inipath, _ = determine_setup(
inifile=None,
args=[str(a), str(b)],
rootdir_cmd_arg=None,
invocation_dir=Path.cwd(),
)
assert rootpath == a
assert inipath == parsed_inipath
@pytest.mark.parametrize("dirs", ([], ["does-not-exist"], ["a/does-not-exist"]))
def test_with_non_dir_arg(
self, dirs: Sequence[str], tmp_path: Path, monkeypatch: MonkeyPatch
) -> None:
monkeypatch.chdir(tmp_path)
rootpath, inipath, _ = determine_setup(
inifile=None,
args=dirs,
rootdir_cmd_arg=None,
invocation_dir=Path.cwd(),
)
assert rootpath == tmp_path
assert inipath is None
def test_with_existing_file_in_subdir(
self, tmp_path: Path, monkeypatch: MonkeyPatch
) -> None:
a = tmp_path / "a"
a.mkdir()
(a / "exists").touch()
monkeypatch.chdir(tmp_path)
rootpath, inipath, _ = determine_setup(
inifile=None,
args=["a/exist"],
rootdir_cmd_arg=None,
invocation_dir=Path.cwd(),
)
assert rootpath == tmp_path
assert inipath is None
def test_with_config_also_in_parent_directory(
self, tmp_path: Path, monkeypatch: MonkeyPatch
) -> None:
"""Regression test for #7807."""
(tmp_path / "setup.cfg").write_text("[tool:pytest]\n", "utf-8")
(tmp_path / "myproject").mkdir()
(tmp_path / "myproject" / "setup.cfg").write_text("[tool:pytest]\n", "utf-8")
(tmp_path / "myproject" / "tests").mkdir()
monkeypatch.chdir(tmp_path / "myproject")
rootpath, inipath, _ = determine_setup(
inifile=None,
args=["tests/"],
rootdir_cmd_arg=None,
invocation_dir=Path.cwd(),
)
assert rootpath == tmp_path / "myproject"
assert inipath == tmp_path / "myproject" / "setup.cfg"
class TestOverrideIniArgs:
@pytest.mark.parametrize("name", "setup.cfg tox.ini pytest.ini".split())
def test_override_ini_names(self, pytester: Pytester, name: str) -> None:
section = "[pytest]" if name != "setup.cfg" else "[tool:pytest]"
pytester.path.joinpath(name).write_text(
textwrap.dedent(
f"""
{section}
custom = 1.0"""
),
encoding="utf-8",
)
pytester.makeconftest(
"""
def pytest_addoption(parser):
parser.addini("custom", "")"""
)
pytester.makepyfile(
"""
def test_pass(pytestconfig):
ini_val = pytestconfig.getini("custom")
print('\\ncustom_option:%s\\n' % ini_val)"""
)
result = pytester.runpytest("--override-ini", "custom=2.0", "-s")
assert result.ret == 0
result.stdout.fnmatch_lines(["custom_option:2.0"])
result = pytester.runpytest(
"--override-ini", "custom=2.0", "--override-ini=custom=3.0", "-s"
)
assert result.ret == 0
result.stdout.fnmatch_lines(["custom_option:3.0"])
def test_override_ini_paths(self, pytester: Pytester) -> None:
pytester.makeconftest(
"""
def pytest_addoption(parser):
parser.addini("paths", "my new ini value", type="paths")"""
)
pytester.makeini(
"""
[pytest]
paths=blah.py"""
)
pytester.makepyfile(
r"""
def test_overridden(pytestconfig):
config_paths = pytestconfig.getini("paths")
print(config_paths)
for cpf in config_paths:
print('\nuser_path:%s' % cpf.name)
"""
)
result = pytester.runpytest(
"--override-ini", "paths=foo/bar1.py foo/bar2.py", "-s"
)
result.stdout.fnmatch_lines(["user_path:bar1.py", "user_path:bar2.py"])
def test_override_multiple_and_default(self, pytester: Pytester) -> None:
pytester.makeconftest(
"""
def pytest_addoption(parser):
addini = parser.addini
addini("custom_option_1", "", default="o1")
addini("custom_option_2", "", default="o2")
addini("custom_option_3", "", default=False, type="bool")
addini("custom_option_4", "", default=True, type="bool")"""
)
pytester.makeini(
"""
[pytest]
custom_option_1=custom_option_1
custom_option_2=custom_option_2
"""
)
pytester.makepyfile(
"""
def test_multiple_options(pytestconfig):
prefix = "custom_option"
for x in range(1, 5):
ini_value=pytestconfig.getini("%s_%d" % (prefix, x))
print('\\nini%d:%s' % (x, ini_value))
"""
)
result = pytester.runpytest(
"--override-ini",
"custom_option_1=fulldir=/tmp/user1",
"-o",
"custom_option_2=url=/tmp/user2?a=b&d=e",
"-o",
"custom_option_3=True",
"-o",
"custom_option_4=no",
"-s",
)
result.stdout.fnmatch_lines(
[
"ini1:fulldir=/tmp/user1",
"ini2:url=/tmp/user2?a=b&d=e",
"ini3:True",
"ini4:False",
]
)
def test_override_ini_usage_error_bad_style(self, pytester: Pytester) -> None:
pytester.makeini(
"""
[pytest]
xdist_strict=False
"""
)
result = pytester.runpytest("--override-ini", "xdist_strict", "True")
result.stderr.fnmatch_lines(
[
"ERROR: -o/--override-ini expects option=value style (got: 'xdist_strict').",
]
)
@pytest.mark.parametrize("with_ini", [True, False])
def test_override_ini_handled_asap(
self, pytester: Pytester, with_ini: bool
) -> None:
"""-o should be handled as soon as possible and always override what's in ini files (#2238)"""
if with_ini:
pytester.makeini(
"""
[pytest]
python_files=test_*.py
"""
)
pytester.makepyfile(
unittest_ini_handle="""
def test():
pass
"""
)
result = pytester.runpytest("--override-ini", "python_files=unittest_*.py")
result.stdout.fnmatch_lines(["*1 passed in*"])
def test_addopts_before_initini(
self, monkeypatch: MonkeyPatch, _config_for_test, _sys_snapshot
) -> None:
cache_dir = ".custom_cache"
monkeypatch.setenv("PYTEST_ADDOPTS", f"-o cache_dir={cache_dir}")
config = _config_for_test
config._preparse([], addopts=True)
assert config._override_ini == [f"cache_dir={cache_dir}"]
def test_addopts_from_env_not_concatenated(
self, monkeypatch: MonkeyPatch, _config_for_test
) -> None:
"""PYTEST_ADDOPTS should not take values from normal args (#4265)."""
monkeypatch.setenv("PYTEST_ADDOPTS", "-o")
config = _config_for_test
with pytest.raises(UsageError) as excinfo:
config._preparse(["cache_dir=ignored"], addopts=True)
assert (
"error: argument -o/--override-ini: expected one argument (via PYTEST_ADDOPTS)"
in excinfo.value.args[0]
)
def test_addopts_from_ini_not_concatenated(self, pytester: Pytester) -> None:
"""`addopts` from ini should not take values from normal args (#4265)."""
pytester.makeini(
"""
[pytest]
addopts=-o
"""
)
result = pytester.runpytest("cache_dir=ignored")
result.stderr.fnmatch_lines(
[
f"{pytester._request.config._parser.optparser.prog}: error: "
f"argument -o/--override-ini: expected one argument (via addopts config)"
]
)
assert result.ret == _pytest.config.ExitCode.USAGE_ERROR
def test_override_ini_does_not_contain_paths(
self, _config_for_test, _sys_snapshot
) -> None:
"""Check that -o no longer swallows all options after it (#3103)"""
config = _config_for_test
config._preparse(["-o", "cache_dir=/cache", "/some/test/path"])
assert config._override_ini == ["cache_dir=/cache"]
def test_multiple_override_ini_options(self, pytester: Pytester) -> None:
"""Ensure a file path following a '-o' option does not generate an error (#3103)"""
pytester.makepyfile(
**{
"conftest.py": """
def pytest_addoption(parser):
parser.addini('foo', default=None, help='some option')
parser.addini('bar', default=None, help='some option')
""",
"test_foo.py": """
def test(pytestconfig):
assert pytestconfig.getini('foo') == '1'
assert pytestconfig.getini('bar') == '0'
""",
"test_bar.py": """
def test():
assert False
""",
}
)
result = pytester.runpytest("-o", "foo=1", "-o", "bar=0", "test_foo.py")
assert "ERROR:" not in result.stderr.str()
result.stdout.fnmatch_lines(["collected 1 item", "*= 1 passed in *="])
def test_override_ini_without_config_file(self, pytester: Pytester) -> None:
pytester.makepyfile(**{"src/override_ini_without_config_file.py": ""})
pytester.makepyfile(
**{
"tests/test_override_ini_without_config_file.py": (
"import override_ini_without_config_file\ndef test(): pass"
),
}
)
result = pytester.runpytest("--override-ini", "pythonpath=src")
assert result.parseoutcomes() == {"passed": 1}
def test_help_via_addopts(pytester: Pytester) -> None:
pytester.makeini(
"""
[pytest]
addopts = --unknown-option-should-allow-for-help --help
"""
)
result = pytester.runpytest()
assert result.ret == 0
result.stdout.fnmatch_lines(
[
"usage: *",
"positional arguments:",
# Displays full/default help.
"to see available markers type: pytest --markers",
]
)
def test_help_and_version_after_argument_error(pytester: Pytester) -> None:
pytester.makeconftest(
"""
def validate(arg):
raise argparse.ArgumentTypeError("argerror")
def pytest_addoption(parser):
group = parser.getgroup('cov')
group.addoption(
"--invalid-option-should-allow-for-help",
type=validate,
)
"""
)
pytester.makeini(
"""
[pytest]
addopts = --invalid-option-should-allow-for-help
"""
)
result = pytester.runpytest("--help")
result.stdout.fnmatch_lines(
[
"usage: *",
"positional arguments:",
"NOTE: displaying only minimal help due to UsageError.",
]
)
result.stderr.fnmatch_lines(
[
"ERROR: usage: *",
f"{pytester._request.config._parser.optparser.prog}: error: "
f"argument --invalid-option-should-allow-for-help: expected one argument",
]
)
# Does not display full/default help.
assert "to see available markers type: pytest --markers" not in result.stdout.lines
assert result.ret == ExitCode.USAGE_ERROR
result = pytester.runpytest("--version")
result.stdout.fnmatch_lines([f"pytest {pytest.__version__}"])
assert result.ret == ExitCode.USAGE_ERROR
def test_help_formatter_uses_py_get_terminal_width(monkeypatch: MonkeyPatch) -> None:
from _pytest.config.argparsing import DropShorterLongHelpFormatter
monkeypatch.setenv("COLUMNS", "90")
formatter = DropShorterLongHelpFormatter("prog")
assert formatter._width == 90
monkeypatch.setattr("_pytest._io.get_terminal_width", lambda: 160)
formatter = DropShorterLongHelpFormatter("prog")
assert formatter._width == 160
formatter = DropShorterLongHelpFormatter("prog", width=42)
assert formatter._width == 42
def test_config_does_not_load_blocked_plugin_from_args(pytester: Pytester) -> None:
"""This tests that pytest's config setup handles "-p no:X"."""
p = pytester.makepyfile("def test(capfd): pass")
result = pytester.runpytest(str(p), "-pno:capture")
result.stdout.fnmatch_lines(["E fixture 'capfd' not found"])
assert result.ret == ExitCode.TESTS_FAILED
result = pytester.runpytest(str(p), "-pno:capture", "-s")
result.stderr.fnmatch_lines(["*: error: unrecognized arguments: -s"])
assert result.ret == ExitCode.USAGE_ERROR
result = pytester.runpytest(str(p), "-p no:capture", "-s")
result.stderr.fnmatch_lines(["*: error: unrecognized arguments: -s"])
assert result.ret == ExitCode.USAGE_ERROR
def test_invocation_args(pytester: Pytester) -> None:
"""Ensure that Config.invocation_* arguments are correctly defined"""
class DummyPlugin:
pass
p = pytester.makepyfile("def test(): pass")
plugin = DummyPlugin()
rec = pytester.inline_run(p, "-v", plugins=[plugin])
calls = rec.getcalls("pytest_runtest_protocol")
assert len(calls) == 1
call = calls[0]
config = call.item.config
assert config.invocation_params.args == (str(p), "-v")
assert config.invocation_params.dir == pytester.path
plugins = config.invocation_params.plugins
assert len(plugins) == 2
assert plugins[0] is plugin
assert type(plugins[1]).__name__ == "Collect" # installed by pytester.inline_run()
# args cannot be None
with pytest.raises(TypeError):
Config.InvocationParams(args=None, plugins=None, dir=Path()) # type: ignore[arg-type]
@pytest.mark.parametrize(
"plugin",
[
x
for x in _pytest.config.default_plugins
if x not in _pytest.config.essential_plugins
],
)
def test_config_blocked_default_plugins(pytester: Pytester, plugin: str) -> None:
p = pytester.makepyfile("def test(): pass")
result = pytester.runpytest(str(p), f"-pno:{plugin}")
if plugin == "python":
assert result.ret == ExitCode.USAGE_ERROR
result.stderr.fnmatch_lines(
[
"ERROR: not found: */test_config_blocked_default_plugins.py",
"(no match in any of *<Dir *>*",
]
)
return
assert result.ret == ExitCode.OK
if plugin != "terminal":
result.stdout.fnmatch_lines(["* 1 passed in *"])
p = pytester.makepyfile("def test(): assert 0")
result = pytester.runpytest(str(p), f"-pno:{plugin}")
assert result.ret == ExitCode.TESTS_FAILED
if plugin != "terminal":
result.stdout.fnmatch_lines(["* 1 failed in *"])
else:
assert result.stdout.lines == []
class TestSetupCfg:
def test_pytest_setup_cfg_unsupported(self, pytester: Pytester) -> None:
pytester.makefile(
".cfg",
setup="""
[pytest]
addopts = --verbose
""",
)
with pytest.raises(pytest.fail.Exception):
pytester.runpytest()
def test_pytest_custom_cfg_unsupported(self, pytester: Pytester) -> None:
pytester.makefile(
".cfg",
custom="""
[pytest]
addopts = --verbose
""",
)
with pytest.raises(pytest.fail.Exception):
pytester.runpytest("-c", "custom.cfg")
with pytest.raises(pytest.fail.Exception):
pytester.runpytest("--config-file", "custom.cfg")
class TestPytestPluginsVariable:
def test_pytest_plugins_in_non_top_level_conftest_unsupported(
self, pytester: Pytester
) -> None:
pytester.makepyfile(
**{
"subdirectory/conftest.py": """
pytest_plugins=['capture']
"""
}
)
pytester.makepyfile(
"""
def test_func():
pass
"""
)
res = pytester.runpytest()
assert res.ret == 2
msg = "Defining 'pytest_plugins' in a non-top-level conftest is no longer supported"
res.stdout.fnmatch_lines([f"*{msg}*", f"*subdirectory{os.sep}conftest.py*"])
@pytest.mark.parametrize("use_pyargs", [True, False])
def test_pytest_plugins_in_non_top_level_conftest_unsupported_pyargs(
self, pytester: Pytester, use_pyargs: bool
) -> None:
"""When using --pyargs, do not emit the warning about non-top-level conftest warnings (#4039, #4044)"""
files = {
"src/pkg/__init__.py": "",
"src/pkg/conftest.py": "",
"src/pkg/test_root.py": "def test(): pass",
"src/pkg/sub/__init__.py": "",
"src/pkg/sub/conftest.py": "pytest_plugins=['capture']",
"src/pkg/sub/test_bar.py": "def test(): pass",
}
pytester.makepyfile(**files)
pytester.syspathinsert(pytester.path.joinpath("src"))
args = ("--pyargs", "pkg") if use_pyargs else ()
res = pytester.runpytest(*args)
assert res.ret == (0 if use_pyargs else 2)
msg = "Defining 'pytest_plugins' in a non-top-level conftest is no longer supported"
if use_pyargs:
assert msg not in res.stdout.str()
else:
res.stdout.fnmatch_lines([f"*{msg}*"])
def test_pytest_plugins_in_non_top_level_conftest_unsupported_no_top_level_conftest(
self, pytester: Pytester
) -> None:
subdirectory = pytester.path.joinpath("subdirectory")
subdirectory.mkdir()
pytester.makeconftest(
"""
pytest_plugins=['capture']
"""
)
pytester.path.joinpath("conftest.py").rename(
subdirectory.joinpath("conftest.py")
)
pytester.makepyfile(
"""
def test_func():
pass
"""
)
res = pytester.runpytest_subprocess()
assert res.ret == 2
msg = "Defining 'pytest_plugins' in a non-top-level conftest is no longer supported"
res.stdout.fnmatch_lines([f"*{msg}*", f"*subdirectory{os.sep}conftest.py*"])
def test_pytest_plugins_in_non_top_level_conftest_unsupported_no_false_positives(
self, pytester: Pytester
) -> None:
pytester.makepyfile(
"def test_func(): pass",
**{
"subdirectory/conftest": "pass",
"conftest": """
import warnings
warnings.filterwarnings('always', category=DeprecationWarning)
pytest_plugins=['capture']
""",
},
)
res = pytester.runpytest_subprocess()
assert res.ret == 0
msg = "Defining 'pytest_plugins' in a non-top-level conftest is no longer supported"
assert msg not in res.stdout.str()
def test_conftest_import_error_repr(tmp_path: Path) -> None:
"""`ConftestImportFailure` should use a short error message and readable
path to the failed conftest.py file."""
path = tmp_path.joinpath("foo/conftest.py")
with pytest.raises(
ConftestImportFailure,
match=re.escape(f"RuntimeError: some error (from {path})"),
):
try:
raise RuntimeError("some error")
except Exception as exc:
raise ConftestImportFailure(path, cause=exc) from exc
def test_strtobool() -> None:
assert _strtobool("YES")
assert not _strtobool("NO")
with pytest.raises(ValueError):
_strtobool("unknown")
@pytest.mark.parametrize(
"arg, escape, expected",
[
("ignore", False, ("ignore", "", Warning, "", 0)),
(
"ignore::DeprecationWarning",
False,
("ignore", "", DeprecationWarning, "", 0),
),
(
"ignore:some msg:DeprecationWarning",
False,
("ignore", "some msg", DeprecationWarning, "", 0),
),
(
"ignore::DeprecationWarning:mod",
False,
("ignore", "", DeprecationWarning, "mod", 0),
),
(
"ignore::DeprecationWarning:mod:42",
False,
("ignore", "", DeprecationWarning, "mod", 42),
),
("error:some\\msg:::", True, ("error", "some\\\\msg", Warning, "", 0)),
("error:::mod\\foo:", True, ("error", "", Warning, "mod\\\\foo\\Z", 0)),
],
)
def test_parse_warning_filter(
arg: str, escape: bool, expected: tuple[str, str, type[Warning], str, int]
) -> None:
assert parse_warning_filter(arg, escape=escape) == expected
@pytest.mark.parametrize(
"arg",
[
# Too much parts.
":" * 5,
# Invalid action.
"FOO::",
# ImportError when importing the warning class.
"::test_parse_warning_filter_failure.NonExistentClass::",
# Class is not a Warning subclass.
"::list::",
# Negative line number.
"::::-1",
# Not a line number.
"::::not-a-number",
],
)
def test_parse_warning_filter_failure(arg: str) -> None:
with pytest.raises(pytest.UsageError):
parse_warning_filter(arg, escape=True)
class TestDebugOptions:
def test_without_debug_does_not_write_log(self, pytester: Pytester) -> None:
result = pytester.runpytest()
result.stderr.no_fnmatch_line(
"*writing pytest debug information to*pytestdebug.log"
)
result.stderr.no_fnmatch_line(
"*wrote pytest debug information to*pytestdebug.log"
)
assert not [f.name for f in pytester.path.glob("**/*.log")]
def test_with_only_debug_writes_pytestdebug_log(self, pytester: Pytester) -> None:
result = pytester.runpytest("--debug")
result.stderr.fnmatch_lines(
[
"*writing pytest debug information to*pytestdebug.log",
"*wrote pytest debug information to*pytestdebug.log",
]
)
assert "pytestdebug.log" in [f.name for f in pytester.path.glob("**/*.log")]
def test_multiple_custom_debug_logs(self, pytester: Pytester) -> None:
result = pytester.runpytest("--debug", "bar.log")
result.stderr.fnmatch_lines(
[
"*writing pytest debug information to*bar.log",
"*wrote pytest debug information to*bar.log",
]
)
result = pytester.runpytest("--debug", "foo.log")
result.stderr.fnmatch_lines(
[
"*writing pytest debug information to*foo.log",
"*wrote pytest debug information to*foo.log",
]
)
assert {"bar.log", "foo.log"} == {
f.name for f in pytester.path.glob("**/*.log")
}
def test_debug_help(self, pytester: Pytester) -> None:
result = pytester.runpytest("-h")
result.stdout.fnmatch_lines(
[
"*Store internal tracing debug information in this log*",
"*file. This file is opened with 'w' and truncated as a*",
"*Default: pytestdebug.log.",
]
)
class TestVerbosity:
SOME_OUTPUT_TYPE = Config.VERBOSITY_ASSERTIONS
SOME_OUTPUT_VERBOSITY_LEVEL = 5
class VerbosityIni:
def pytest_addoption(self, parser: Parser) -> None:
Config._add_verbosity_ini(
parser, TestVerbosity.SOME_OUTPUT_TYPE, help="some help text"
)
def test_level_matches_verbose_when_not_specified(
self, pytester: Pytester, tmp_path: Path
) -> None:
tmp_path.joinpath("pytest.ini").write_text(
textwrap.dedent(
"""\
[pytest]
addopts = --verbose
"""
),
encoding="utf-8",
)
pytester.plugins = [TestVerbosity.VerbosityIni()]
config = pytester.parseconfig(tmp_path)
assert (
config.get_verbosity(TestVerbosity.SOME_OUTPUT_TYPE)
== config.option.verbose
)
def test_level_matches_verbose_when_not_known_type(
self, pytester: Pytester, tmp_path: Path
) -> None:
tmp_path.joinpath("pytest.ini").write_text(
textwrap.dedent(
"""\
[pytest]
addopts = --verbose
"""
),
encoding="utf-8",
)
pytester.plugins = [TestVerbosity.VerbosityIni()]
config = pytester.parseconfig(tmp_path)
assert config.get_verbosity("some fake verbosity type") == config.option.verbose
def test_level_matches_specified_override(
self, pytester: Pytester, tmp_path: Path
) -> None:
setting_name = f"verbosity_{TestVerbosity.SOME_OUTPUT_TYPE}"
tmp_path.joinpath("pytest.ini").write_text(
textwrap.dedent(
f"""\
[pytest]
addopts = --verbose
{setting_name} = {TestVerbosity.SOME_OUTPUT_VERBOSITY_LEVEL}
"""
),
encoding="utf-8",
)
pytester.plugins = [TestVerbosity.VerbosityIni()]
config = pytester.parseconfig(tmp_path)
assert (
config.get_verbosity(TestVerbosity.SOME_OUTPUT_TYPE)
== TestVerbosity.SOME_OUTPUT_VERBOSITY_LEVEL
)