def test_from_file_fails_with_missing_filepath(tmpdir):
path = os.path.join(
str(tmpdir.mkdir('invalid')),
'package.json',
)
assert not os.path.exists(path)
with pytest.raises(FileNotFoundError):
Package.from_file(path)
def load(self, contract_factory: str, package: Path, version: str = ""):
"""
Load an installed package.
"""
package_path = self.packages_dir / Path(package)
versions = list(map(lambda p: p.name, package_path.iterdir()))
if not version:
version = self.find_max_version(versions)
manifest_path = package_path / Path(version) / Path("manifest.json")
self._initialize_w3()
self.package = Package.from_file(manifest_path, self.w3)
factory = self.package.get_contract_factory(contract_factory)
factory.web3 = self.w3
return factory
def install(self, uri: str):
"""
Install packages from chain or files and put it in packages directory.
"""
self._create_ethpm_packages_dir()
self._initialize_w3()
is_file = True
for prefix in ("ipfs://", "https://", "ethpm://", "erc1319://"):
if uri.startswith(prefix):
is_file = False
break
if is_file:
package = Package.from_file(Path(uri), self.w3)
else:
package = Package.from_uri(uri, self.w3)
self._write_manifests_to_filesystem(package.name, package.version, package.manifest)
self.package = package
def test_from_file_raises_type_error_with_invalid_param_type():
with pytest.raises(TypeError):
Package.from_file(1)
def test_from_file_succeeds_with_valid_package(valid_package_from_path):
assert Package.from_file(valid_package_from_path)
def test_from_file_fails_with_invalid_package(invalid_package_from_path):
with pytest.raises(ValidationError):
Package.from_file(invalid_package_from_path)
def test_from_file_fails_with_non_json(non_json_package):
with pytest.raises(json.JSONDecodeError):
Package.from_file(non_json_package)
def test_from_file_succeeds_with_valid_manifest(valid_manifest_from_path, w3):
assert Package.from_file(valid_manifest_from_path, w3)
def test_from_file_fails_with_missing_filepath(tmpdir, w3):
path = os.path.join(str(tmpdir.mkdir("invalid")), "manifest.json")
assert not os.path.exists(path)
with pytest.raises(FileNotFoundError):
Package.from_file(Path(path), w3)
def test_from_file_fails_with_invalid_manifest(invalid_manifest_from_path, w3):
with pytest.raises(EthPMValidationError):
Package.from_file(invalid_manifest_from_path, w3)
def get_package(self, path: str) -> Package:
pkg = Package.from_file(path, self.web3)
return pkg