151 lines
4.5 KiB
Python
151 lines
4.5 KiB
Python
from pathlib import Path
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from typing import cast
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from typing import List
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from typing import Type
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import pytest
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from _pytest import nodes
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from _pytest.compat import legacy_path
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from _pytest.pytester import Pytester
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from _pytest.warning_types import PytestWarning
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@pytest.mark.parametrize(
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("nodeid", "expected"),
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(
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("", [""]),
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("a", ["", "a"]),
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("aa/b", ["", "aa", "aa/b"]),
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("a/b/c", ["", "a", "a/b", "a/b/c"]),
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("a/bbb/c::D", ["", "a", "a/bbb", "a/bbb/c", "a/bbb/c::D"]),
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("a/b/c::D::eee", ["", "a", "a/b", "a/b/c", "a/b/c::D", "a/b/c::D::eee"]),
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("::xx", ["", "::xx"]),
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# / only considered until first ::
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("a/b/c::D/d::e", ["", "a", "a/b", "a/b/c", "a/b/c::D/d", "a/b/c::D/d::e"]),
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# : alone is not a separator.
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("a/b::D:e:f::g", ["", "a", "a/b", "a/b::D:e:f", "a/b::D:e:f::g"]),
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# / not considered if a part of a test name
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("a/b::c/d::e[/test]", ["", "a", "a/b", "a/b::c/d", "a/b::c/d::e[/test]"]),
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),
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)
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def test_iterparentnodeids(nodeid: str, expected: List[str]) -> None:
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result = list(nodes.iterparentnodeids(nodeid))
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assert result == expected
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def test_node_from_parent_disallowed_arguments() -> None:
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with pytest.raises(TypeError, match="session is"):
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nodes.Node.from_parent(None, session=None) # type: ignore[arg-type]
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with pytest.raises(TypeError, match="config is"):
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nodes.Node.from_parent(None, config=None) # type: ignore[arg-type]
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def test_subclassing_both_item_and_collector_deprecated(
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request, tmp_path: Path
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) -> None:
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"""
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Verifies we warn on diamond inheritance
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as well as correctly managing legacy inheritance ctors with missing args
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as found in plugins
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"""
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with pytest.warns(
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PytestWarning,
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match=(
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"(?m)SoWrong is an Item subclass and should not be a collector, however its bases File are collectors.\n"
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"Please split the Collectors and the Item into separate node types.\n.*"
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),
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):
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class SoWrong(nodes.File, nodes.Item):
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def __init__(self, fspath, parent):
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"""Legacy ctor with legacy call # don't wana see"""
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super().__init__(fspath, parent)
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with pytest.warns(
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PytestWarning, match=".*SoWrong.* not using a cooperative constructor.*"
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):
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SoWrong.from_parent(
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request.session, fspath=legacy_path(tmp_path / "broken.txt")
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)
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@pytest.mark.parametrize(
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"warn_type, msg", [(DeprecationWarning, "deprecated"), (PytestWarning, "pytest")]
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)
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def test_node_warn_is_no_longer_only_pytest_warnings(
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pytester: Pytester, warn_type: Type[Warning], msg: str
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) -> None:
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items = pytester.getitems(
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"""
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def test():
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pass
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"""
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)
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with pytest.warns(warn_type, match=msg):
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items[0].warn(warn_type(msg))
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def test_node_warning_enforces_warning_types(pytester: Pytester) -> None:
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items = pytester.getitems(
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"""
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def test():
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pass
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"""
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)
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with pytest.raises(
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ValueError, match="warning must be an instance of Warning or subclass"
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):
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items[0].warn(Exception("ok")) # type: ignore[arg-type]
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def test__check_initialpaths_for_relpath() -> None:
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"""Ensure that it handles dirs, and does not always use dirname."""
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cwd = Path.cwd()
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class FakeSession1:
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_initialpaths = frozenset({cwd})
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session = cast(pytest.Session, FakeSession1)
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assert nodes._check_initialpaths_for_relpath(session, cwd) == ""
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sub = cwd / "file"
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class FakeSession2:
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_initialpaths = frozenset({cwd})
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session = cast(pytest.Session, FakeSession2)
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assert nodes._check_initialpaths_for_relpath(session, sub) == "file"
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outside = Path("/outside-this-does-not-exist")
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assert nodes._check_initialpaths_for_relpath(session, outside) is None
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def test_failure_with_changed_cwd(pytester: Pytester) -> None:
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"""
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Test failure lines should use absolute paths if cwd has changed since
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invocation, so the path is correct (#6428).
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"""
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p = pytester.makepyfile(
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"""
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import os
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import pytest
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@pytest.fixture
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def private_dir():
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out_dir = 'ddd'
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os.mkdir(out_dir)
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old_dir = os.getcwd()
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os.chdir(out_dir)
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yield out_dir
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os.chdir(old_dir)
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def test_show_wrong_path(private_dir):
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assert False
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"""
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)
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result = pytester.runpytest()
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result.stdout.fnmatch_lines([str(p) + ":*: AssertionError", "*1 failed in *"])
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