136 lines
5.3 KiB
Python
136 lines
5.3 KiB
Python
from pathlib import Path
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from textwrap import dedent
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import pytest
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from _pytest.config import UsageError
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from _pytest.config.findpaths import get_common_ancestor
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from _pytest.config.findpaths import get_dirs_from_args
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from _pytest.config.findpaths import load_config_dict_from_file
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class TestLoadConfigDictFromFile:
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def test_empty_pytest_ini(self, tmp_path: Path) -> None:
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"""pytest.ini files are always considered for configuration, even if empty"""
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fn = tmp_path / "pytest.ini"
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fn.write_text("", encoding="utf-8")
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assert load_config_dict_from_file(fn) == {}
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def test_pytest_ini(self, tmp_path: Path) -> None:
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"""[pytest] section in pytest.ini files is read correctly"""
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fn = tmp_path / "pytest.ini"
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fn.write_text("[pytest]\nx=1", encoding="utf-8")
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assert load_config_dict_from_file(fn) == {"x": "1"}
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def test_custom_ini(self, tmp_path: Path) -> None:
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"""[pytest] section in any .ini file is read correctly"""
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fn = tmp_path / "custom.ini"
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fn.write_text("[pytest]\nx=1", encoding="utf-8")
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assert load_config_dict_from_file(fn) == {"x": "1"}
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def test_custom_ini_without_section(self, tmp_path: Path) -> None:
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"""Custom .ini files without [pytest] section are not considered for configuration"""
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fn = tmp_path / "custom.ini"
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fn.write_text("[custom]", encoding="utf-8")
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assert load_config_dict_from_file(fn) is None
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def test_custom_cfg_file(self, tmp_path: Path) -> None:
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"""Custom .cfg files without [tool:pytest] section are not considered for configuration"""
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fn = tmp_path / "custom.cfg"
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fn.write_text("[custom]", encoding="utf-8")
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assert load_config_dict_from_file(fn) is None
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def test_valid_cfg_file(self, tmp_path: Path) -> None:
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"""Custom .cfg files with [tool:pytest] section are read correctly"""
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fn = tmp_path / "custom.cfg"
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fn.write_text("[tool:pytest]\nx=1", encoding="utf-8")
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assert load_config_dict_from_file(fn) == {"x": "1"}
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def test_unsupported_pytest_section_in_cfg_file(self, tmp_path: Path) -> None:
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""".cfg files with [pytest] section are no longer supported and should fail to alert users"""
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fn = tmp_path / "custom.cfg"
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fn.write_text("[pytest]", encoding="utf-8")
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with pytest.raises(pytest.fail.Exception):
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load_config_dict_from_file(fn)
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def test_invalid_toml_file(self, tmp_path: Path) -> None:
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"""Invalid .toml files should raise `UsageError`."""
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fn = tmp_path / "myconfig.toml"
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fn.write_text("]invalid toml[", encoding="utf-8")
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with pytest.raises(UsageError):
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load_config_dict_from_file(fn)
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def test_custom_toml_file(self, tmp_path: Path) -> None:
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""".toml files without [tool.pytest.ini_options] are not considered for configuration."""
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fn = tmp_path / "myconfig.toml"
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fn.write_text(
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dedent(
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"""
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[build_system]
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x = 1
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"""
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),
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encoding="utf-8",
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)
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assert load_config_dict_from_file(fn) is None
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def test_valid_toml_file(self, tmp_path: Path) -> None:
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""".toml files with [tool.pytest.ini_options] are read correctly, including changing
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data types to str/list for compatibility with other configuration options."""
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fn = tmp_path / "myconfig.toml"
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fn.write_text(
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dedent(
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"""
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[tool.pytest.ini_options]
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x = 1
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y = 20.0
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values = ["tests", "integration"]
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name = "foo"
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heterogeneous_array = [1, "str"]
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"""
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),
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encoding="utf-8",
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)
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assert load_config_dict_from_file(fn) == {
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"x": "1",
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"y": "20.0",
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"values": ["tests", "integration"],
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"name": "foo",
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"heterogeneous_array": [1, "str"],
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}
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class TestCommonAncestor:
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def test_has_ancestor(self, tmp_path: Path) -> None:
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fn1 = tmp_path / "foo" / "bar" / "test_1.py"
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fn1.parent.mkdir(parents=True)
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fn1.touch()
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fn2 = tmp_path / "foo" / "zaz" / "test_2.py"
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fn2.parent.mkdir(parents=True)
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fn2.touch()
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assert get_common_ancestor([fn1, fn2]) == tmp_path / "foo"
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assert get_common_ancestor([fn1.parent, fn2]) == tmp_path / "foo"
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assert get_common_ancestor([fn1.parent, fn2.parent]) == tmp_path / "foo"
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assert get_common_ancestor([fn1, fn2.parent]) == tmp_path / "foo"
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def test_single_dir(self, tmp_path: Path) -> None:
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assert get_common_ancestor([tmp_path]) == tmp_path
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def test_single_file(self, tmp_path: Path) -> None:
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fn = tmp_path / "foo.py"
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fn.touch()
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assert get_common_ancestor([fn]) == tmp_path
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def test_get_dirs_from_args(tmp_path):
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"""get_dirs_from_args() skips over non-existing directories and files"""
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fn = tmp_path / "foo.py"
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fn.touch()
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d = tmp_path / "tests"
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d.mkdir()
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option = "--foobar=/foo.txt"
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# xdist uses options in this format for its rsync feature (#7638)
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xdist_rsync_option = "popen=c:/dest"
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assert get_dirs_from_args(
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[str(fn), str(tmp_path / "does_not_exist"), str(d), option, xdist_rsync_option]
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) == [fn.parent, d]
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