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from __future__ import annotations
from typing import TYPE_CHECKING
import pytest
from pipdeptree._models import PackageDAG
from pipdeptree._validate import conflicting_deps, cyclic_deps, render_conflicts_text, render_cycles_text, validate
if TYPE_CHECKING:
from collections.abc import Callable, Iterator
from unittest.mock import Mock
from tests.our_types import MockGraph
@pytest.mark.parametrize(
("mpkgs", "expected_keys", "expected_output"),
[
pytest.param(
{
("a", "1.0.1"): [("b", [(">=", "2.0.0")])],
("b", "2.3.0"): [("a", [(">=", "1.0.1")])],
("c", "4.5.0"): [("d", [("==", "2.0")])],
("d", "2.0"): [],
},
[["a", "b", "a"], ["b", "a", "b"]],
["* b => a => b", "* a => b => a"],
id="depth-of-2",
),
pytest.param(
{
("a", "1.0.1"): [("b", [(">=", "2.0.0")]), ("e", [("==", "2.0")])],
("b", "2.3.0"): [("c", [(">=", "4.5.0")])],
("c", "4.5.0"): [("d", [("==", "1.0.1")])],
("d", "1.0.0"): [("a", [("==", "1.0.1")]), ("e", [("==", "2.0")])],
("e", "2.0"): [],
},
[
["b", "c", "d", "a", "b"],
["c", "d", "a", "b", "c"],
["d", "a", "b", "c", "d"],
["a", "b", "c", "d", "a"],
],
[
"* b => c => d => a => b",
"* c => d => a => b => c",
"* d => a => b => c => d",
"* a => b => c => d => a",
],
id="depth-greater-than-2",
),
pytest.param(
{("a", "1.0.1"): [("b", [(">=", "2.0.0")])], ("b", "2.0.0"): []},
[],
[],
id="no-cycle",
),
pytest.param(
{
("a", "1.0.1"): [("b", [(">=", "2.0.0")])],
},
[],
[],
id="dependency-not-installed",
),
pytest.param({("a", "1.0.1"): []}, [], [], id="no-dependencies"),
],
)
def test_cyclic_deps(
capsys: pytest.CaptureFixture[str],
mpkgs: MockGraph,
expected_keys: list[list[str]],
expected_output: list[str],
mock_pkgs: Callable[[MockGraph], Iterator[Mock]],
) -> None:
tree = PackageDAG.from_pkgs(list(mock_pkgs(mpkgs)))
result = cyclic_deps(tree)
result_keys = [[dep.key for dep in deps] for deps in result]
assert sorted(expected_keys) == sorted(result_keys)
render_cycles_text(result)
captured = capsys.readouterr()
assert "\n".join(expected_output).strip() == captured.err.strip()
@pytest.mark.parametrize(
("mpkgs", "expected_keys", "expected_output"),
[
(
{("a", "1.0.1"): [("b", [(">=", "2.3.0")])], ("b", "1.9.1"): []},
{"a": ["b"]},
[
"* a==1.0.1",
" - b [required: >=2.3.0, installed: 1.9.1]",
],
),
(
{("a", "1.0.1"): [("c", [(">=", "9.4.1")])], ("b", "2.3.0"): [("c", [(">=", "7.0")])], ("c", "8.0.1"): []},
{"a": ["c"]},
[
"* a==1.0.1",
" - c [required: >=9.4.1, installed: 8.0.1]",
],
),
(
{("a", "1.0.1"): [("c", [(">=", "9.4.1")])], ("b", "2.3.0"): [("c", [(">=", "9.4.0")])]},
{"a": ["c"], "b": ["c"]},
[
"* a==1.0.1",
" - c [required: >=9.4.1, installed: ?]",
"* b==2.3.0",
" - c [required: >=9.4.0, installed: ?]",
],
),
(
{("a", "1.0.1"): [("c", [(">=", "9.4.1")])], ("b", "2.3.0"): [("c", [(">=", "7.0")])], ("c", "9.4.1"): []},
{},
[],
),
],
)
def test_conflicting_deps(
capsys: pytest.CaptureFixture[str],
mpkgs: MockGraph,
expected_keys: dict[str, list[str]],
expected_output: list[str],
mock_pkgs: Callable[[MockGraph], Iterator[Mock]],
) -> None:
tree = PackageDAG.from_pkgs(list(mock_pkgs(mpkgs)))
result = conflicting_deps(tree)
result_keys = {k.key: [v.key for v in vs] for k, vs in result.items()}
assert expected_keys == result_keys
render_conflicts_text(result)
captured = capsys.readouterr()
assert "\n".join(expected_output).strip() == captured.err.strip()
@pytest.mark.parametrize(
("mpkgs", "expected_output"),
[
(
{("a", "1.0.1"): [("b", [(">=", "2.3.0")])], ("b", "1.9.1"): []},
[
"Warning!!! Possibly conflicting dependencies found:",
"* a==1.0.1",
" - b [required: >=2.3.0, installed: 1.9.1]",
"------------------------------------------------------------------------",
],
),
(
{
("a", "1.0.1"): [("b", [(">=", "2.0.0")])],
("b", "2.3.0"): [("a", [(">=", "1.0.1")])],
("c", "4.5.0"): [],
},
[
"Warning!!! Cyclic dependencies found:",
"* b => a => b",
"* a => b => a",
"------------------------------------------------------------------------",
],
),
],
)
def test_validate(
capsys: pytest.CaptureFixture[str],
mock_pkgs: Callable[[MockGraph], Iterator[Mock]],
mpkgs: MockGraph,
expected_output: list[str],
) -> None:
tree = PackageDAG.from_pkgs(list(mock_pkgs(mpkgs)))
validate(tree)
out, err = capsys.readouterr()
assert len(out) == 0
assert "\n".join(expected_output).strip() == err.strip()
|
