def test_generate_lockfile(rule_runner: RuleRunner) -> None:
artifacts = ArtifactRequirements([
ArtifactRequirement(Coordinate("org.hamcrest", "hamcrest-core", "1.3"))
])
result = rule_runner.request(
GenerateLockfileResult,
[
GenerateJvmLockfile(artifacts=artifacts,
resolve_name="test",
lockfile_dest="lock.txt")
],
)
digest_contents = rule_runner.request(DigestContents, [result.digest])
assert len(digest_contents) == 1
expected = CoursierResolvedLockfile(
entries=(CoursierLockfileEntry(
coord=Coordinate(
group="org.hamcrest",
artifact="hamcrest-core",
version="1.3",
),
file_name="org.hamcrest_hamcrest-core_1.3.jar",
direct_dependencies=Coordinates([]),
dependencies=Coordinates([]),
file_digest=FileDigest(
fingerprint=
"66fdef91e9739348df7a096aa384a5685f4e875584cce89386a7a47251c4d8e9",
serialized_bytes_length=45024,
),
), ),
metadata=JVMLockfileMetadata.new(artifacts),
)
assert CoursierResolvedLockfile.from_serialized(
digest_contents[0].content) == expected
def jvm_lockfile(self, request) -> JVMLockfileFixture:
mark = request.node.get_closest_marker("jvm_lockfile")
definition = JVMLockfileFixtureDefinition.from_kwargs(mark.kwargs)
# Load the lockfile.
lockfile_path = request.node.path.parent / definition.lockfile_rel_path
lockfile_contents = lockfile_path.read_bytes()
lockfile = CoursierResolvedLockfile.from_serialized(lockfile_contents)
# Check the lockfile's requirements against the requirements in the lockfile.
# Fail the test if the lockfile needs to be regenerated.
artifact_reqs = ArtifactRequirements([
ArtifactRequirement(coordinate)
for coordinate in definition.coordinates
])
if not lockfile.metadata:
raise ValueError(
f"Expected JVM lockfile {definition.lockfile_rel_path} to have metadata."
)
if not lockfile.metadata.is_valid_for(artifact_reqs,
LockfileContext.TOOL):
raise ValueError(
f"Lockfile fixture {definition.lockfile_rel_path} is not valid. "
"Please re-generate it using: "
f"{bin_name()} internal-generate-test-lockfile-fixtures ::")
return JVMLockfileFixture(lockfile, lockfile_contents.decode(),
artifact_reqs)