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from __future__ import annotations
import sys
from pathlib import Path
from typing import Any
from unittest.mock import ANY
import pytest
from pytest_mock import MockerFixture
from tox.config.set_env import SetEnv
from tox.pytest import MonkeyPatch, ToxProjectCreator
if sys.version_info >= (3, 8): # pragma: no cover (py38+)
from typing import Protocol
else: # pragma: no cover (<py38)
from typing_extensions import Protocol
def test_set_env_explicit() -> None:
set_env = SetEnv("\nA=1\nB = 2\nC= 3\nD= 4", "py", "py", Path())
set_env.update({"E": "5 ", "F": "6"}, override=False)
keys = list(set_env)
assert keys == ["E", "F", "A", "B", "C", "D"]
values = [set_env.load(k) for k in keys]
assert values == ["5 ", "6", "1", "2", "3", "4"]
for key in keys:
assert key in set_env
assert "MISS" not in set_env
def test_set_env_bad_line() -> None:
with pytest.raises(ValueError, match="A"):
SetEnv("A", "py", "py", Path())
class EvalSetEnv(Protocol):
def __call__(
self,
tox_ini: str, # noqa: U100
extra_files: dict[str, Any] | None = ..., # noqa: U100
from_cwd: Path | None = ..., # noqa: U100
) -> SetEnv:
...
@pytest.fixture()
def eval_set_env(tox_project: ToxProjectCreator) -> EvalSetEnv:
def func(tox_ini: str, extra_files: dict[str, Any] | None = None, from_cwd: Path | None = None) -> SetEnv:
prj = tox_project({"tox.ini": tox_ini, **(extra_files or {})})
result = prj.run("c", "-k", "set_env", "-e", "py", from_cwd=None if from_cwd is None else prj.path / from_cwd)
result.assert_success()
set_env: SetEnv = result.env_conf("py")["set_env"]
return set_env
return func
def test_set_env_default(eval_set_env: EvalSetEnv) -> None:
set_env = eval_set_env("")
keys = list(set_env)
assert keys == ["PYTHONHASHSEED", "PIP_DISABLE_PIP_VERSION_CHECK", "PYTHONIOENCODING"]
values = [set_env.load(k) for k in keys]
assert values == [ANY, "1", "utf-8"]
def test_set_env_self_key(eval_set_env: EvalSetEnv, monkeypatch: MonkeyPatch) -> None:
monkeypatch.setenv("a", "1")
set_env = eval_set_env("[testenv]\npackage=skip\nset_env=a={env:a:2}")
assert set_env.load("a") == "1"
def test_set_env_other_env_set(eval_set_env: EvalSetEnv, monkeypatch: MonkeyPatch) -> None:
monkeypatch.setenv("b", "1")
set_env = eval_set_env("[testenv]\npackage=skip\nset_env=a={env:b:2}")
assert set_env.load("a") == "1"
def test_set_env_other_env_default(eval_set_env: EvalSetEnv, monkeypatch: MonkeyPatch) -> None:
monkeypatch.delenv("b", raising=False)
set_env = eval_set_env("[testenv]\npackage=skip\nset_env=a={env:b:2}")
assert set_env.load("a") == "2"
def test_set_env_delayed_eval(eval_set_env: EvalSetEnv, monkeypatch: MonkeyPatch) -> None:
monkeypatch.setenv("b", "c=1")
set_env = eval_set_env("[testenv]\npackage=skip\nset_env={env:b}")
assert set_env.load("c") == "1"
def test_set_env_tty_on(eval_set_env: EvalSetEnv, mocker: MockerFixture) -> None:
mocker.patch("sys.stdout.isatty", return_value=True)
set_env = eval_set_env("[testenv]\npackage=skip\nset_env={tty:A=1:B=1}")
assert set_env.load("A") == "1"
assert "B" not in set_env
def test_set_env_tty_off(eval_set_env: EvalSetEnv, mocker: MockerFixture) -> None:
mocker.patch("sys.stdout.isatty", return_value=False)
set_env = eval_set_env("[testenv]\npackage=skip\nset_env={tty:A=1:B=1}")
assert set_env.load("B") == "1"
assert "A" not in set_env
def test_set_env_circular_use_os_environ(tox_project: ToxProjectCreator) -> None:
prj = tox_project({"tox.ini": "[testenv]\npackage=skip\nset_env=a={env:b}\n b={env:a}"})
result = prj.run("c", "-e", "py")
result.assert_success()
assert "replace failed in py.set_env with MatchRecursionError" in result.out, result.out
assert "circular chain between set env a, b" in result.out, result.out
def test_set_env_invalid_lines(eval_set_env: EvalSetEnv) -> None:
with pytest.raises(ValueError, match="a"):
eval_set_env("[testenv]\npackage=skip\nset_env=a\n b")
def test_set_env_replacer(eval_set_env: EvalSetEnv, monkeypatch: MonkeyPatch) -> None:
monkeypatch.setenv("MAGIC", "\nb=2\n")
set_env = eval_set_env("[testenv]\npackage=skip\nset_env=a=1\n {env:MAGIC}")
env = {k: set_env.load(k) for k in set_env}
assert env == {
"PIP_DISABLE_PIP_VERSION_CHECK": "1",
"a": "1",
"b": "2",
"PYTHONIOENCODING": "utf-8",
"PYTHONHASHSEED": ANY,
}
def test_set_env_honor_override(eval_set_env: EvalSetEnv) -> None:
set_env = eval_set_env("[testenv]\npackage=skip\nset_env=PIP_DISABLE_PIP_VERSION_CHECK=0")
assert set_env.load("PIP_DISABLE_PIP_VERSION_CHECK") == "0"
def test_set_env_environment_file(eval_set_env: EvalSetEnv) -> None:
env_file = """
A=1
B= 2
C = 1
# D = comment # noqa: E800
E = "1"
F =
"""
extra = {"A": {"a.txt": env_file}, "B": None, "C": None}
ini = "[testenv]\npackage=skip\nset_env=file|A{/}a.txt\nchange_dir=C"
set_env = eval_set_env(ini, extra_files=extra, from_cwd=Path("B"))
content = {k: set_env.load(k) for k in set_env}
assert content == {
"PIP_DISABLE_PIP_VERSION_CHECK": "1",
"PYTHONHASHSEED": ANY,
"A": "1",
"B": "2",
"C": "1",
"E": '"1"',
"F": "",
"PYTHONIOENCODING": "utf-8",
}
def test_set_env_environment_file_missing(tox_project: ToxProjectCreator) -> None:
project = tox_project({"tox.ini": "[testenv]\npackage=skip\nset_env=file|magic.txt"})
result = project.run("r")
result.assert_failed()
assert f"py: failed with {project.path / 'magic.txt'} does not exist for set_env" in result.out
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