def test_db_0_multiple(self, graph: MockedGraphDatabase) -> None:
"""Check that resolving can resolve multiple Python packages."""
resolved = PythonGraphSolver(
dependency_parser=PackageVersionDependencyParser(),
releases_fetcher=GraphReleasesFetcher(graph=graph),
).solve(
[
PackageVersion(
name="a", version="*", index=None, develop=False),
PackageVersion(
name="b", version=">1.0.0", index=None, develop=False),
],
graceful=False,
)
assert len(resolved) == 2
assert "a" in resolved
assert set(resolved["a"]) == {
("1.0.0", "index1"),
("1.1.0", "index1"),
("1.2.0", "index2"),
}
assert "b" in resolved
assert set(resolved["b"]) == {("2.0.0", "index1"), ("3.0.0", "index2")}
def test_db_0(self, graph: MockedGraphDatabase) -> None:
"""Check that resolving can gather all versions available in the graph database."""
resolved = PythonGraphSolver(
dependency_parser=PackageVersionDependencyParser(),
releases_fetcher=GraphReleasesFetcher(graph=graph),
).solve(
[PackageVersion(name="a", version="*", index=None, develop=False)],
graceful=False,
)
assert len(resolved) == 1
assert "a" in resolved
assert set(resolved["a"]) == {
("1.0.0", "index1"),
("1.1.0", "index1"),
("1.2.0", "index2"),
}
def test_db_0_raises(self, graph: MockedGraphDatabase) -> None:
"""Check that there is raised an exception if no releases were found."""
with pytest.raises(SolverException):
PythonGraphSolver(
dependency_parser=PackageVersionDependencyParser(),
releases_fetcher=GraphReleasesFetcher(graph=graph),
).solve(
[
PackageVersion(
name="nonexisting-foo",
version="==1.0.0",
index=None,
develop=False,
)
],
graceful=False,
)