def test_new_resolver_candidates_match_requirement(
test_cases: List[Tuple[str, str, int]], factory: Factory) -> None:
"""Candidates returned from find_candidates should satisfy the requirement"""
for spec, _, _ in test_cases:
req = factory.make_requirement_from_spec(spec, comes_from=None)
assert req is not None
candidates = factory.find_candidates(
req.name,
{req.name: [req]},
{},
Constraint.empty(),
prefers_installed=False,
)
for c in candidates:
assert isinstance(c, Candidate)
assert req.is_satisfied_by(c)
def test_new_resolver_correct_number_of_matches(test_cases: List[Tuple[str,
str,
int]],
factory: Factory) -> None:
"""Requirements should return the correct number of candidates"""
for spec, _, match_count in test_cases:
req = factory.make_requirement_from_spec(spec, comes_from=None)
assert req is not None
matches = factory.find_candidates(
req.name,
{req.name: [req]},
{},
Constraint.empty(),
prefers_installed=False,
)
assert sum(1 for _ in matches) == match_count