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from __future__ import annotations
from argparse import Namespace
from pathlib import Path
import pytest
from tox.tox_env.python.pip.req_file import PythonDeps
@pytest.mark.parametrize("legacy_flag", ["-r", "-c"])
def test_legacy_requirement_file(tmp_path: Path, legacy_flag: str) -> None:
python_deps = PythonDeps(f"{legacy_flag}a.txt", tmp_path)
(tmp_path / "a.txt").write_text("b")
assert python_deps.as_root_args == [legacy_flag, "a.txt"]
assert vars(python_deps.options) == {}
assert [str(i) for i in python_deps.requirements] == ["b" if legacy_flag == "-r" else "-c b"]
def test_deps_with_hash(tmp_path: Path) -> None:
"""deps with --hash should raise an exception."""
python_deps = PythonDeps(
raw="foo==1 --hash sha256:97a702083b0d906517b79672d8501eee470d60ae55df0fa9d4cfba56c7f65a82",
root=tmp_path,
)
with pytest.raises(ValueError, match="Cannot use --hash in deps list"):
_ = python_deps.requirements
def test_deps_with_requirements_with_hash(tmp_path: Path) -> None:
"""deps can point to a requirements file that has --hash."""
exp_hash = "sha256:97a702083b0d906517b79672d8501eee470d60ae55df0fa9d4cfba56c7f65a82"
requirements = tmp_path / "requirements.txt"
requirements.write_text(f"foo==1 --hash {exp_hash}")
python_deps = PythonDeps(raw="-r requirements.txt", root=tmp_path)
assert len(python_deps.requirements) == 1
parsed_req = python_deps.requirements[0]
assert str(parsed_req.requirement) == "foo==1"
assert parsed_req.options == {"hash": [exp_hash]}
assert parsed_req.from_file == str(requirements)
def test_deps_with_no_deps(tmp_path: Path) -> None:
(tmp_path / "r.txt").write_text("urrlib3")
python_deps = PythonDeps(raw="-rr.txt\n--no-deps", root=tmp_path)
assert len(python_deps.requirements) == 1
parsed_req = python_deps.requirements[0]
assert str(parsed_req.requirement) == "urrlib3"
assert python_deps.options.no_deps is True
assert python_deps.as_root_args == ["-r", "r.txt", "--no-deps"]
def test_req_with_no_deps(tmp_path: Path) -> None:
(tmp_path / "r.txt").write_text("--no-deps")
python_deps = PythonDeps(raw="-rr.txt", root=tmp_path)
with pytest.raises(ValueError, match="unrecognized arguments: --no-deps"):
python_deps.requirements
def test_opt_only_req_file(tmp_path: Path) -> None:
(tmp_path / "r.txt").write_text("--use-feature fast-deps")
python_deps = PythonDeps(raw="-rr.txt", root=tmp_path)
assert not python_deps.requirements
assert python_deps.options == Namespace(features_enabled=["fast-deps"])
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