779 lines
		
	
	
		
			25 KiB
		
	
	
	
		
			Python
		
	
	
	
			
		
		
	
	
			779 lines
		
	
	
		
			25 KiB
		
	
	
	
		
			Python
		
	
	
	
| import os
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| import warnings
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| from typing import List
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| from typing import Optional
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| from typing import Tuple
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| 
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| import pytest
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| from _pytest.fixtures import FixtureRequest
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| from _pytest.pytester import Pytester
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| 
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| WARNINGS_SUMMARY_HEADER = "warnings summary"
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| 
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| 
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| @pytest.fixture
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| def pyfile_with_warnings(pytester: Pytester, request: FixtureRequest) -> str:
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|     """Create a test file which calls a function in a module which generates warnings."""
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|     pytester.syspathinsert()
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|     test_name = request.function.__name__
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|     module_name = test_name.lstrip("test_") + "_module"
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|     test_file = pytester.makepyfile(
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|         """
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|         import {module_name}
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|         def test_func():
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|             assert {module_name}.foo() == 1
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|         """.format(
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|             module_name=module_name
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|         ),
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|         **{
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|             module_name: """
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|             import warnings
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|             def foo():
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|                 warnings.warn(UserWarning("user warning"))
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|                 warnings.warn(RuntimeWarning("runtime warning"))
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|                 return 1
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|             """,
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|         },
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|     )
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|     return str(test_file)
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| 
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| 
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| @pytest.mark.filterwarnings("default::UserWarning", "default::RuntimeWarning")
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| def test_normal_flow(pytester: Pytester, pyfile_with_warnings) -> None:
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|     """Check that the warnings section is displayed."""
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|     result = pytester.runpytest(pyfile_with_warnings)
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|     result.stdout.fnmatch_lines(
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|         [
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|             "*== %s ==*" % WARNINGS_SUMMARY_HEADER,
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|             "test_normal_flow.py::test_func",
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|             "*normal_flow_module.py:3: UserWarning: user warning",
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|             '*  warnings.warn(UserWarning("user warning"))',
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|             "*normal_flow_module.py:4: RuntimeWarning: runtime warning",
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|             '*  warnings.warn(RuntimeWarning("runtime warning"))',
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|             "* 1 passed, 2 warnings*",
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|         ]
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|     )
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| 
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| 
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| @pytest.mark.filterwarnings("always::UserWarning")
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| def test_setup_teardown_warnings(pytester: Pytester) -> None:
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|     pytester.makepyfile(
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|         """
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|         import warnings
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|         import pytest
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| 
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|         @pytest.fixture
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|         def fix():
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|             warnings.warn(UserWarning("warning during setup"))
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|             yield
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|             warnings.warn(UserWarning("warning during teardown"))
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| 
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|         def test_func(fix):
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|             pass
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|     """
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|     )
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|     result = pytester.runpytest()
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|     result.stdout.fnmatch_lines(
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|         [
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|             "*== %s ==*" % WARNINGS_SUMMARY_HEADER,
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|             "*test_setup_teardown_warnings.py:6: UserWarning: warning during setup",
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|             '*warnings.warn(UserWarning("warning during setup"))',
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|             "*test_setup_teardown_warnings.py:8: UserWarning: warning during teardown",
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|             '*warnings.warn(UserWarning("warning during teardown"))',
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|             "* 1 passed, 2 warnings*",
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|         ]
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|     )
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| 
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| 
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| @pytest.mark.parametrize("method", ["cmdline", "ini"])
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| def test_as_errors(pytester: Pytester, pyfile_with_warnings, method) -> None:
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|     args = ("-W", "error") if method == "cmdline" else ()
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|     if method == "ini":
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|         pytester.makeini(
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|             """
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|             [pytest]
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|             filterwarnings=error
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|             """
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|         )
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|     # Use a subprocess, since changing logging level affects other threads
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|     # (xdist).
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|     result = pytester.runpytest_subprocess(*args, pyfile_with_warnings)
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|     result.stdout.fnmatch_lines(
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|         [
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|             "E       UserWarning: user warning",
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|             "as_errors_module.py:3: UserWarning",
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|             "* 1 failed in *",
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|         ]
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|     )
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| 
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| 
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| @pytest.mark.parametrize("method", ["cmdline", "ini"])
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| def test_ignore(pytester: Pytester, pyfile_with_warnings, method) -> None:
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|     args = ("-W", "ignore") if method == "cmdline" else ()
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|     if method == "ini":
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|         pytester.makeini(
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|             """
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|         [pytest]
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|         filterwarnings= ignore
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|         """
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|         )
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| 
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|     result = pytester.runpytest(*args, pyfile_with_warnings)
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|     result.stdout.fnmatch_lines(["* 1 passed in *"])
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|     assert WARNINGS_SUMMARY_HEADER not in result.stdout.str()
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| 
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| 
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| @pytest.mark.filterwarnings("always::UserWarning")
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| def test_unicode(pytester: Pytester) -> None:
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|     pytester.makepyfile(
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|         """
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|         import warnings
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|         import pytest
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| 
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| 
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|         @pytest.fixture
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|         def fix():
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|             warnings.warn("测试")
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|             yield
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| 
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|         def test_func(fix):
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|             pass
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|         """
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|     )
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|     result = pytester.runpytest()
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|     result.stdout.fnmatch_lines(
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|         [
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|             "*== %s ==*" % WARNINGS_SUMMARY_HEADER,
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|             "*test_unicode.py:7: UserWarning: \u6d4b\u8bd5*",
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|             "* 1 passed, 1 warning*",
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|         ]
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|     )
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| 
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| 
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| def test_works_with_filterwarnings(pytester: Pytester) -> None:
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|     """Ensure our warnings capture does not mess with pre-installed filters (#2430)."""
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|     pytester.makepyfile(
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|         """
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|         import warnings
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| 
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|         class MyWarning(Warning):
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|             pass
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| 
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|         warnings.filterwarnings("error", category=MyWarning)
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| 
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|         class TestWarnings(object):
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|             def test_my_warning(self):
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|                 try:
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|                     warnings.warn(MyWarning("warn!"))
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|                     assert False
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|                 except MyWarning:
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|                     assert True
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|     """
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|     )
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|     result = pytester.runpytest()
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|     result.stdout.fnmatch_lines(["*== 1 passed in *"])
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| 
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| 
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| @pytest.mark.parametrize("default_config", ["ini", "cmdline"])
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| def test_filterwarnings_mark(pytester: Pytester, default_config) -> None:
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|     """Test ``filterwarnings`` mark works and takes precedence over command
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|     line and ini options."""
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|     if default_config == "ini":
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|         pytester.makeini(
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|             """
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|             [pytest]
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|             filterwarnings = always::RuntimeWarning
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|         """
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|         )
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|     pytester.makepyfile(
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|         """
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|         import warnings
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|         import pytest
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| 
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|         @pytest.mark.filterwarnings('ignore::RuntimeWarning')
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|         def test_ignore_runtime_warning():
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|             warnings.warn(RuntimeWarning())
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| 
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|         @pytest.mark.filterwarnings('error')
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|         def test_warning_error():
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|             warnings.warn(RuntimeWarning())
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| 
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|         def test_show_warning():
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|             warnings.warn(RuntimeWarning())
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|     """
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|     )
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|     result = pytester.runpytest(
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|         "-W always::RuntimeWarning" if default_config == "cmdline" else ""
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|     )
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|     result.stdout.fnmatch_lines(["*= 1 failed, 2 passed, 1 warning in *"])
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| 
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| 
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| def test_non_string_warning_argument(pytester: Pytester) -> None:
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|     """Non-str argument passed to warning breaks pytest (#2956)"""
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|     pytester.makepyfile(
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|         """\
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|         import warnings
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|         import pytest
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| 
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|         def test():
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|             warnings.warn(UserWarning(1, 'foo'))
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|         """
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|     )
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|     result = pytester.runpytest("-W", "always::UserWarning")
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|     result.stdout.fnmatch_lines(["*= 1 passed, 1 warning in *"])
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| 
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| 
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| def test_filterwarnings_mark_registration(pytester: Pytester) -> None:
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|     """Ensure filterwarnings mark is registered"""
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|     pytester.makepyfile(
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|         """
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|         import pytest
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| 
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|         @pytest.mark.filterwarnings('error')
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|         def test_func():
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|             pass
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|     """
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|     )
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|     result = pytester.runpytest("--strict-markers")
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|     assert result.ret == 0
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| 
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| 
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| @pytest.mark.filterwarnings("always::UserWarning")
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| def test_warning_captured_hook(pytester: Pytester) -> None:
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|     pytester.makeconftest(
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|         """
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|         def pytest_configure(config):
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|             config.issue_config_time_warning(UserWarning("config warning"), stacklevel=2)
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|     """
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|     )
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|     pytester.makepyfile(
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|         """
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|         import pytest, warnings
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| 
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|         warnings.warn(UserWarning("collect warning"))
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| 
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|         @pytest.fixture
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|         def fix():
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|             warnings.warn(UserWarning("setup warning"))
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|             yield 1
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|             warnings.warn(UserWarning("teardown warning"))
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| 
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|         def test_func(fix):
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|             warnings.warn(UserWarning("call warning"))
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|             assert fix == 1
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|         """
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|     )
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| 
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|     collected = []
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| 
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|     class WarningCollector:
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|         def pytest_warning_recorded(self, warning_message, when, nodeid, location):
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|             collected.append((str(warning_message.message), when, nodeid, location))
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| 
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|     result = pytester.runpytest(plugins=[WarningCollector()])
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|     result.stdout.fnmatch_lines(["*1 passed*"])
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| 
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|     expected = [
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|         ("config warning", "config", ""),
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|         ("collect warning", "collect", ""),
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|         ("setup warning", "runtest", "test_warning_captured_hook.py::test_func"),
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|         ("call warning", "runtest", "test_warning_captured_hook.py::test_func"),
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|         ("teardown warning", "runtest", "test_warning_captured_hook.py::test_func"),
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|     ]
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|     for index in range(len(expected)):
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|         collected_result = collected[index]
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|         expected_result = expected[index]
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| 
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|         assert collected_result[0] == expected_result[0], str(collected)
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|         assert collected_result[1] == expected_result[1], str(collected)
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|         assert collected_result[2] == expected_result[2], str(collected)
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| 
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|         # NOTE: collected_result[3] is location, which differs based on the platform you are on
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|         #       thus, the best we can do here is assert the types of the paremeters match what we expect
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|         #       and not try and preload it in the expected array
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|         if collected_result[3] is not None:
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|             assert type(collected_result[3][0]) is str, str(collected)
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|             assert type(collected_result[3][1]) is int, str(collected)
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|             assert type(collected_result[3][2]) is str, str(collected)
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|         else:
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|             assert collected_result[3] is None, str(collected)
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| 
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| 
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| @pytest.mark.filterwarnings("always::UserWarning")
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| def test_collection_warnings(pytester: Pytester) -> None:
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|     """Check that we also capture warnings issued during test collection (#3251)."""
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|     pytester.makepyfile(
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|         """
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|         import warnings
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| 
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|         warnings.warn(UserWarning("collection warning"))
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| 
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|         def test_foo():
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|             pass
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|     """
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|     )
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|     result = pytester.runpytest()
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|     result.stdout.fnmatch_lines(
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|         [
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|             "*== %s ==*" % WARNINGS_SUMMARY_HEADER,
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|             "  *collection_warnings.py:3: UserWarning: collection warning",
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|             '    warnings.warn(UserWarning("collection warning"))',
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|             "* 1 passed, 1 warning*",
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|         ]
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|     )
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| 
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| 
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| @pytest.mark.filterwarnings("always::UserWarning")
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| def test_mark_regex_escape(pytester: Pytester) -> None:
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|     """@pytest.mark.filterwarnings should not try to escape regex characters (#3936)"""
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|     pytester.makepyfile(
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|         r"""
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|         import pytest, warnings
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| 
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|         @pytest.mark.filterwarnings(r"ignore:some \(warning\)")
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|         def test_foo():
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|             warnings.warn(UserWarning("some (warning)"))
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|     """
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|     )
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|     result = pytester.runpytest()
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|     assert WARNINGS_SUMMARY_HEADER not in result.stdout.str()
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| 
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| 
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| @pytest.mark.filterwarnings("default::pytest.PytestWarning")
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| @pytest.mark.parametrize("ignore_pytest_warnings", ["no", "ini", "cmdline"])
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| def test_hide_pytest_internal_warnings(
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|     pytester: Pytester, ignore_pytest_warnings
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| ) -> None:
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|     """Make sure we can ignore internal pytest warnings using a warnings filter."""
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|     pytester.makepyfile(
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|         """
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|         import pytest
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|         import warnings
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| 
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|         warnings.warn(pytest.PytestWarning("some internal warning"))
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| 
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|         def test_bar():
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|             pass
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|     """
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|     )
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|     if ignore_pytest_warnings == "ini":
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|         pytester.makeini(
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|             """
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|             [pytest]
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|             filterwarnings = ignore::pytest.PytestWarning
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|         """
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|         )
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|     args = (
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|         ["-W", "ignore::pytest.PytestWarning"]
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|         if ignore_pytest_warnings == "cmdline"
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|         else []
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|     )
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|     result = pytester.runpytest(*args)
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|     if ignore_pytest_warnings != "no":
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|         assert WARNINGS_SUMMARY_HEADER not in result.stdout.str()
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|     else:
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|         result.stdout.fnmatch_lines(
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|             [
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|                 "*== %s ==*" % WARNINGS_SUMMARY_HEADER,
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|                 "*test_hide_pytest_internal_warnings.py:4: PytestWarning: some internal warning",
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|                 "* 1 passed, 1 warning *",
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|             ]
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|         )
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| 
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| 
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| @pytest.mark.parametrize("ignore_on_cmdline", [True, False])
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| def test_option_precedence_cmdline_over_ini(
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|     pytester: Pytester, ignore_on_cmdline
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| ) -> None:
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|     """Filters defined in the command-line should take precedence over filters in ini files (#3946)."""
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|     pytester.makeini(
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|         """
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|         [pytest]
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|         filterwarnings = error::UserWarning
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|     """
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|     )
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|     pytester.makepyfile(
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|         """
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|         import warnings
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|         def test():
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|             warnings.warn(UserWarning('hello'))
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|     """
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|     )
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|     args = ["-W", "ignore"] if ignore_on_cmdline else []
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|     result = pytester.runpytest(*args)
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|     if ignore_on_cmdline:
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|         result.stdout.fnmatch_lines(["* 1 passed in*"])
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|     else:
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|         result.stdout.fnmatch_lines(["* 1 failed in*"])
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| 
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| 
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| def test_option_precedence_mark(pytester: Pytester) -> None:
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|     """Filters defined by marks should always take precedence (#3946)."""
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|     pytester.makeini(
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|         """
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|         [pytest]
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|         filterwarnings = ignore
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|     """
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|     )
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|     pytester.makepyfile(
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|         """
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|         import pytest, warnings
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|         @pytest.mark.filterwarnings('error')
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|         def test():
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|             warnings.warn(UserWarning('hello'))
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|     """
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|     )
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|     result = pytester.runpytest("-W", "ignore")
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|     result.stdout.fnmatch_lines(["* 1 failed in*"])
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| 
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| 
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| class TestDeprecationWarningsByDefault:
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|     """
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|     Note: all pytest runs are executed in a subprocess so we don't inherit warning filters
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|     from pytest's own test suite
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|     """
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| 
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|     def create_file(self, pytester: Pytester, mark="") -> None:
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|         pytester.makepyfile(
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|             """
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|             import pytest, warnings
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| 
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|             warnings.warn(DeprecationWarning("collection"))
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| 
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|             {mark}
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|             def test_foo():
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|                 warnings.warn(PendingDeprecationWarning("test run"))
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|         """.format(
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|                 mark=mark
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|             )
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|         )
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| 
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|     @pytest.mark.parametrize("customize_filters", [True, False])
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|     def test_shown_by_default(self, pytester: Pytester, customize_filters) -> None:
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|         """Show deprecation warnings by default, even if user has customized the warnings filters (#4013)."""
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|         self.create_file(pytester)
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|         if customize_filters:
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|             pytester.makeini(
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|                 """
 | |
|                 [pytest]
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|                 filterwarnings =
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|                     once::UserWarning
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|             """
 | |
|             )
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|         result = pytester.runpytest_subprocess()
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|         result.stdout.fnmatch_lines(
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|             [
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|                 "*== %s ==*" % WARNINGS_SUMMARY_HEADER,
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|                 "*test_shown_by_default.py:3: DeprecationWarning: collection",
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|                 "*test_shown_by_default.py:7: PendingDeprecationWarning: test run",
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|                 "* 1 passed, 2 warnings*",
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|             ]
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|         )
 | |
| 
 | |
|     def test_hidden_by_ini(self, pytester: Pytester) -> None:
 | |
|         self.create_file(pytester)
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|         pytester.makeini(
 | |
|             """
 | |
|             [pytest]
 | |
|             filterwarnings =
 | |
|                 ignore::DeprecationWarning
 | |
|                 ignore::PendingDeprecationWarning
 | |
|         """
 | |
|         )
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|         result = pytester.runpytest_subprocess()
 | |
|         assert WARNINGS_SUMMARY_HEADER not in result.stdout.str()
 | |
| 
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|     def test_hidden_by_mark(self, pytester: Pytester) -> None:
 | |
|         """Should hide the deprecation warning from the function, but the warning during collection should
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|         be displayed normally.
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|         """
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|         self.create_file(
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|             pytester,
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|             mark='@pytest.mark.filterwarnings("ignore::PendingDeprecationWarning")',
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|         )
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|         result = pytester.runpytest_subprocess()
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|         result.stdout.fnmatch_lines(
 | |
|             [
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|                 "*== %s ==*" % WARNINGS_SUMMARY_HEADER,
 | |
|                 "*test_hidden_by_mark.py:3: DeprecationWarning: collection",
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|                 "* 1 passed, 1 warning*",
 | |
|             ]
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|         )
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| 
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|     def test_hidden_by_cmdline(self, pytester: Pytester) -> None:
 | |
|         self.create_file(pytester)
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|         result = pytester.runpytest_subprocess(
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|             "-W",
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|             "ignore::DeprecationWarning",
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|             "-W",
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|             "ignore::PendingDeprecationWarning",
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|         )
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|         assert WARNINGS_SUMMARY_HEADER not in result.stdout.str()
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| 
 | |
|     def test_hidden_by_system(self, pytester: Pytester, monkeypatch) -> None:
 | |
|         self.create_file(pytester)
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|         monkeypatch.setenv("PYTHONWARNINGS", "once::UserWarning")
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|         result = pytester.runpytest_subprocess()
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|         assert WARNINGS_SUMMARY_HEADER not in result.stdout.str()
 | |
| 
 | |
| 
 | |
| @pytest.mark.parametrize("change_default", [None, "ini", "cmdline"])
 | |
| @pytest.mark.skip(
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|     reason="This test should be enabled again before pytest 7.0 is released"
 | |
| )
 | |
| def test_deprecation_warning_as_error(pytester: Pytester, change_default) -> None:
 | |
|     """This ensures that PytestDeprecationWarnings raised by pytest are turned into errors.
 | |
| 
 | |
|     This test should be enabled as part of each major release, and skipped again afterwards
 | |
|     to ensure our deprecations are turning into warnings as expected.
 | |
|     """
 | |
|     pytester.makepyfile(
 | |
|         """
 | |
|         import warnings, pytest
 | |
|         def test():
 | |
|             warnings.warn(pytest.PytestDeprecationWarning("some warning"))
 | |
|     """
 | |
|     )
 | |
|     if change_default == "ini":
 | |
|         pytester.makeini(
 | |
|             """
 | |
|             [pytest]
 | |
|             filterwarnings =
 | |
|                 ignore::pytest.PytestDeprecationWarning
 | |
|         """
 | |
|         )
 | |
| 
 | |
|     args = (
 | |
|         ("-Wignore::pytest.PytestDeprecationWarning",)
 | |
|         if change_default == "cmdline"
 | |
|         else ()
 | |
|     )
 | |
|     result = pytester.runpytest(*args)
 | |
|     if change_default is None:
 | |
|         result.stdout.fnmatch_lines(["* 1 failed in *"])
 | |
|     else:
 | |
|         assert change_default in ("ini", "cmdline")
 | |
|         result.stdout.fnmatch_lines(["* 1 passed in *"])
 | |
| 
 | |
| 
 | |
| class TestAssertionWarnings:
 | |
|     @staticmethod
 | |
|     def assert_result_warns(result, msg) -> None:
 | |
|         result.stdout.fnmatch_lines(["*PytestAssertRewriteWarning: %s*" % msg])
 | |
| 
 | |
|     def test_tuple_warning(self, pytester: Pytester) -> None:
 | |
|         pytester.makepyfile(
 | |
|             """\
 | |
|             def test_foo():
 | |
|                 assert (1,2)
 | |
|             """
 | |
|         )
 | |
|         result = pytester.runpytest()
 | |
|         self.assert_result_warns(
 | |
|             result, "assertion is always true, perhaps remove parentheses?"
 | |
|         )
 | |
| 
 | |
| 
 | |
| def test_warnings_checker_twice() -> None:
 | |
|     """Issue #4617"""
 | |
|     expectation = pytest.warns(UserWarning)
 | |
|     with expectation:
 | |
|         warnings.warn("Message A", UserWarning)
 | |
|     with expectation:
 | |
|         warnings.warn("Message B", UserWarning)
 | |
| 
 | |
| 
 | |
| @pytest.mark.filterwarnings("always::UserWarning")
 | |
| def test_group_warnings_by_message(pytester: Pytester) -> None:
 | |
|     pytester.copy_example("warnings/test_group_warnings_by_message.py")
 | |
|     result = pytester.runpytest()
 | |
|     result.stdout.fnmatch_lines(
 | |
|         [
 | |
|             "*== %s ==*" % WARNINGS_SUMMARY_HEADER,
 | |
|             "test_group_warnings_by_message.py::test_foo[[]0[]]",
 | |
|             "test_group_warnings_by_message.py::test_foo[[]1[]]",
 | |
|             "test_group_warnings_by_message.py::test_foo[[]2[]]",
 | |
|             "test_group_warnings_by_message.py::test_foo[[]3[]]",
 | |
|             "test_group_warnings_by_message.py::test_foo[[]4[]]",
 | |
|             "test_group_warnings_by_message.py::test_foo_1",
 | |
|             "  */test_group_warnings_by_message.py:*: UserWarning: foo",
 | |
|             "    warnings.warn(UserWarning(msg))",
 | |
|             "",
 | |
|             "test_group_warnings_by_message.py::test_bar[[]0[]]",
 | |
|             "test_group_warnings_by_message.py::test_bar[[]1[]]",
 | |
|             "test_group_warnings_by_message.py::test_bar[[]2[]]",
 | |
|             "test_group_warnings_by_message.py::test_bar[[]3[]]",
 | |
|             "test_group_warnings_by_message.py::test_bar[[]4[]]",
 | |
|             "  */test_group_warnings_by_message.py:*: UserWarning: bar",
 | |
|             "    warnings.warn(UserWarning(msg))",
 | |
|             "",
 | |
|             "-- Docs: *",
 | |
|             "*= 11 passed, 11 warnings *",
 | |
|         ],
 | |
|         consecutive=True,
 | |
|     )
 | |
| 
 | |
| 
 | |
| @pytest.mark.filterwarnings("always::UserWarning")
 | |
| def test_group_warnings_by_message_summary(pytester: Pytester) -> None:
 | |
|     pytester.copy_example("warnings/test_group_warnings_by_message_summary")
 | |
|     pytester.syspathinsert()
 | |
|     result = pytester.runpytest()
 | |
|     result.stdout.fnmatch_lines(
 | |
|         [
 | |
|             "*== %s ==*" % WARNINGS_SUMMARY_HEADER,
 | |
|             "test_1.py: 21 warnings",
 | |
|             "test_2.py: 1 warning",
 | |
|             "  */test_1.py:7: UserWarning: foo",
 | |
|             "    warnings.warn(UserWarning(msg))",
 | |
|             "",
 | |
|             "test_1.py: 20 warnings",
 | |
|             "  */test_1.py:7: UserWarning: bar",
 | |
|             "    warnings.warn(UserWarning(msg))",
 | |
|             "",
 | |
|             "-- Docs: *",
 | |
|             "*= 42 passed, 42 warnings *",
 | |
|         ],
 | |
|         consecutive=True,
 | |
|     )
 | |
| 
 | |
| 
 | |
| def test_pytest_configure_warning(pytester: Pytester, recwarn) -> None:
 | |
|     """Issue 5115."""
 | |
|     pytester.makeconftest(
 | |
|         """
 | |
|         def pytest_configure():
 | |
|             import warnings
 | |
| 
 | |
|             warnings.warn("from pytest_configure")
 | |
|         """
 | |
|     )
 | |
| 
 | |
|     result = pytester.runpytest()
 | |
|     assert result.ret == 5
 | |
|     assert "INTERNALERROR" not in result.stderr.str()
 | |
|     warning = recwarn.pop()
 | |
|     assert str(warning.message) == "from pytest_configure"
 | |
| 
 | |
| 
 | |
| class TestStackLevel:
 | |
|     @pytest.fixture
 | |
|     def capwarn(self, pytester: Pytester):
 | |
|         class CapturedWarnings:
 | |
|             captured: List[
 | |
|                 Tuple[warnings.WarningMessage, Optional[Tuple[str, int, str]]]
 | |
|             ] = []
 | |
| 
 | |
|             @classmethod
 | |
|             def pytest_warning_recorded(cls, warning_message, when, nodeid, location):
 | |
|                 cls.captured.append((warning_message, location))
 | |
| 
 | |
|         pytester.plugins = [CapturedWarnings()]
 | |
| 
 | |
|         return CapturedWarnings
 | |
| 
 | |
|     def test_issue4445_rewrite(self, pytester: Pytester, capwarn) -> None:
 | |
|         """#4445: Make sure the warning points to a reasonable location
 | |
|         See origin of _issue_warning_captured at: _pytest.assertion.rewrite.py:241
 | |
|         """
 | |
|         pytester.makepyfile(some_mod="")
 | |
|         conftest = pytester.makeconftest(
 | |
|             """
 | |
|                 import some_mod
 | |
|                 import pytest
 | |
| 
 | |
|                 pytest.register_assert_rewrite("some_mod")
 | |
|             """
 | |
|         )
 | |
|         pytester.parseconfig()
 | |
| 
 | |
|         # with stacklevel=5 the warning originates from register_assert_rewrite
 | |
|         # function in the created conftest.py
 | |
|         assert len(capwarn.captured) == 1
 | |
|         warning, location = capwarn.captured.pop()
 | |
|         file, lineno, func = location
 | |
| 
 | |
|         assert "Module already imported" in str(warning.message)
 | |
|         assert file == str(conftest)
 | |
|         assert func == "<module>"  # the above conftest.py
 | |
|         assert lineno == 4
 | |
| 
 | |
|     def test_issue4445_preparse(self, pytester: Pytester, capwarn) -> None:
 | |
|         """#4445: Make sure the warning points to a reasonable location
 | |
|         See origin of _issue_warning_captured at: _pytest.config.__init__.py:910
 | |
|         """
 | |
|         pytester.makeconftest(
 | |
|             """
 | |
|             import nothing
 | |
|             """
 | |
|         )
 | |
|         pytester.parseconfig("--help")
 | |
| 
 | |
|         # with stacklevel=2 the warning should originate from config._preparse and is
 | |
|         # thrown by an errorneous conftest.py
 | |
|         assert len(capwarn.captured) == 1
 | |
|         warning, location = capwarn.captured.pop()
 | |
|         file, _, func = location
 | |
| 
 | |
|         assert "could not load initial conftests" in str(warning.message)
 | |
|         assert f"config{os.sep}__init__.py" in file
 | |
|         assert func == "_preparse"
 | |
| 
 | |
|     @pytest.mark.filterwarnings("default")
 | |
|     def test_conftest_warning_captured(self, pytester: Pytester) -> None:
 | |
|         """Warnings raised during importing of conftest.py files is captured (#2891)."""
 | |
|         pytester.makeconftest(
 | |
|             """
 | |
|             import warnings
 | |
|             warnings.warn(UserWarning("my custom warning"))
 | |
|             """
 | |
|         )
 | |
|         result = pytester.runpytest()
 | |
|         result.stdout.fnmatch_lines(
 | |
|             ["conftest.py:2", "*UserWarning: my custom warning*"]
 | |
|         )
 | |
| 
 | |
|     def test_issue4445_import_plugin(self, pytester: Pytester, capwarn) -> None:
 | |
|         """#4445: Make sure the warning points to a reasonable location"""
 | |
|         pytester.makepyfile(
 | |
|             some_plugin="""
 | |
|             import pytest
 | |
|             pytest.skip("thing", allow_module_level=True)
 | |
|             """
 | |
|         )
 | |
|         pytester.syspathinsert()
 | |
|         pytester.parseconfig("-p", "some_plugin")
 | |
| 
 | |
|         # with stacklevel=2 the warning should originate from
 | |
|         # config.PytestPluginManager.import_plugin is thrown by a skipped plugin
 | |
| 
 | |
|         assert len(capwarn.captured) == 1
 | |
|         warning, location = capwarn.captured.pop()
 | |
|         file, _, func = location
 | |
| 
 | |
|         assert "skipped plugin 'some_plugin': thing" in str(warning.message)
 | |
|         assert f"config{os.sep}__init__.py" in file
 | |
|         assert func == "_warn_about_skipped_plugins"
 | |
| 
 | |
|     def test_issue4445_issue5928_mark_generator(self, pytester: Pytester) -> None:
 | |
|         """#4445 and #5928: Make sure the warning from an unknown mark points to
 | |
|         the test file where this mark is used.
 | |
|         """
 | |
|         testfile = pytester.makepyfile(
 | |
|             """
 | |
|             import pytest
 | |
| 
 | |
|             @pytest.mark.unknown
 | |
|             def test_it():
 | |
|                 pass
 | |
|             """
 | |
|         )
 | |
|         result = pytester.runpytest_subprocess()
 | |
|         # with stacklevel=2 the warning should originate from the above created test file
 | |
|         result.stdout.fnmatch_lines_random(
 | |
|             [
 | |
|                 f"*{testfile}:3*",
 | |
|                 "*Unknown pytest.mark.unknown*",
 | |
|             ]
 | |
|         )
 |