poetry/tests/mixology/version_solver/test_unsolvable.py

159 lines
5.4 KiB
Python

from __future__ import annotations
from typing import TYPE_CHECKING
import pytest
from poetry.factory import Factory
from poetry.puzzle.provider import IncompatibleConstraintsError
from tests.mixology.helpers import add_to_repo
from tests.mixology.helpers import check_solver_result
if TYPE_CHECKING:
from poetry.core.packages.project_package import ProjectPackage
from poetry.repositories import Repository
from tests.mixology.version_solver.conftest import Provider
from tests.types import FixtureDirGetter
def test_no_version_matching_constraint(
root: ProjectPackage, provider: Provider, repo: Repository
) -> None:
root.add_dependency(Factory.create_dependency("foo", "^1.0"))
add_to_repo(repo, "foo", "2.0.0")
add_to_repo(repo, "foo", "2.1.3")
check_solver_result(
root,
provider,
error=(
"Because myapp depends on foo (^1.0) "
"which doesn't match any versions, version solving failed."
),
)
def test_no_version_that_matches_combined_constraints(
root: ProjectPackage, provider: Provider, repo: Repository
) -> None:
root.add_dependency(Factory.create_dependency("foo", "1.0.0"))
root.add_dependency(Factory.create_dependency("bar", "1.0.0"))
add_to_repo(repo, "foo", "1.0.0", deps={"shared": ">=2.0.0 <3.0.0"})
add_to_repo(repo, "bar", "1.0.0", deps={"shared": ">=2.9.0 <4.0.0"})
add_to_repo(repo, "shared", "2.5.0")
add_to_repo(repo, "shared", "3.5.0")
error = """\
Because foo (1.0.0) depends on shared (>=2.0.0 <3.0.0)
and no versions of shared match >=2.9.0,<3.0.0,\
foo (1.0.0) requires shared (>=2.0.0,<2.9.0).
And because bar (1.0.0) depends on shared (>=2.9.0 <4.0.0),\
bar (1.0.0) is incompatible with foo (1.0.0).
So, because myapp depends on both foo (1.0.0) and bar (1.0.0), version solving failed.\
"""
check_solver_result(root, provider, error=error)
def test_disjoint_constraints(
root: ProjectPackage, provider: Provider, repo: Repository
) -> None:
root.add_dependency(Factory.create_dependency("foo", "1.0.0"))
root.add_dependency(Factory.create_dependency("bar", "1.0.0"))
add_to_repo(repo, "foo", "1.0.0", deps={"shared": "<=2.0.0"})
add_to_repo(repo, "bar", "1.0.0", deps={"shared": ">3.0.0"})
add_to_repo(repo, "shared", "2.0.0")
add_to_repo(repo, "shared", "4.0.0")
error = """\
Because bar (1.0.0) depends on shared (>3.0.0)
and foo (1.0.0) depends on shared (<=2.0.0),\
bar (1.0.0) is incompatible with foo (1.0.0).
So, because myapp depends on both foo (1.0.0) and bar (1.0.0), version solving failed.\
"""
check_solver_result(root, provider, error=error)
check_solver_result(root, provider, error=error)
def test_disjoint_root_constraints(
root: ProjectPackage, provider: Provider, repo: Repository
) -> None:
root.add_dependency(Factory.create_dependency("foo", "1.0.0"))
root.add_dependency(Factory.create_dependency("foo", "2.0.0"))
add_to_repo(repo, "foo", "1.0.0")
add_to_repo(repo, "foo", "2.0.0")
error = """\
Incompatible constraints in requirements of myapp (0.0.0):
foo (==1.0.0)
foo (==2.0.0)"""
with pytest.raises(IncompatibleConstraintsError) as e:
check_solver_result(root, provider, error=error)
assert str(e.value) == error
def test_disjoint_root_constraints_path_dependencies(
root: ProjectPackage,
provider: Provider,
repo: Repository,
fixture_dir: FixtureDirGetter,
) -> None:
provider.set_package_python_versions("^3.7")
project_dir = fixture_dir("with_conditional_path_deps")
dependency1 = Factory.create_dependency("demo", {"path": project_dir / "demo_one"})
root.add_dependency(dependency1)
dependency2 = Factory.create_dependency("demo", {"path": project_dir / "demo_two"})
root.add_dependency(dependency2)
error = f"""\
Incompatible constraints in requirements of myapp (0.0.0):
demo @ {project_dir.as_uri()}/demo_two (1.2.3)
demo @ {project_dir.as_uri()}/demo_one (1.2.3)"""
with pytest.raises(IncompatibleConstraintsError) as e:
check_solver_result(root, provider, error=error)
assert str(e.value) == error
def test_no_valid_solution(
root: ProjectPackage, provider: Provider, repo: Repository
) -> None:
root.add_dependency(Factory.create_dependency("a", "*"))
root.add_dependency(Factory.create_dependency("b", "*"))
add_to_repo(repo, "a", "1.0.0", deps={"b": "1.0.0"})
add_to_repo(repo, "a", "2.0.0", deps={"b": "2.0.0"})
add_to_repo(repo, "b", "1.0.0", deps={"a": "2.0.0"})
add_to_repo(repo, "b", "2.0.0", deps={"a": "1.0.0"})
error = """\
Because no versions of b match <1.0.0 || >1.0.0,<2.0.0 || >2.0.0
and b (1.0.0) depends on a (2.0.0), b (!=2.0.0) requires a (2.0.0).
And because a (2.0.0) depends on b (2.0.0), b is forbidden.
Because b (2.0.0) depends on a (1.0.0) which depends on b (1.0.0), b is forbidden.
Thus, b is forbidden.
So, because myapp depends on b (*), version solving failed."""
check_solver_result(root, provider, error=error, tries=2)
def test_package_with_the_same_name_gives_clear_error_message(
root: ProjectPackage, provider: Provider, repo: Repository
) -> None:
pkg_name = "a"
root.add_dependency(Factory.create_dependency(pkg_name, "*"))
add_to_repo(repo, pkg_name, "1.0.0", deps={pkg_name: "1.0.0"})
error = f"Package '{pkg_name}' is listed as a dependency of itself."
check_solver_result(root, provider, error=error)