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# The standard library importlib.metadata returns duplicate entrypoints
# for all python versions up to and including 3.11
# https://github.com/python/importlib_metadata/issues/410#issuecomment-1304258228
# see PR https://github.com/asdf-format/asdf/pull/1260
# see issue https://github.com/asdf-format/asdf/issues/1254
import importlib_metadata as metadata
import pytest
from asdf import entry_points
from asdf._version import version as asdf_package_version
from asdf.exceptions import AsdfWarning
from asdf.extension import ExtensionProxy
from asdf.resource import ResourceMappingProxy
@pytest.fixture
def mock_entry_points():
return []
@pytest.fixture(autouse=True)
def monkeypatch_entry_points(monkeypatch, mock_entry_points):
def _entry_points(*, group):
for candidate_group, name, func_name in mock_entry_points:
if candidate_group == group:
point = metadata.EntryPoint(name=name, group="asdf.tests.test_entry_points", value=func_name)
vars(point).update(dist=metadata.distribution("asdf"))
yield point
monkeypatch.setattr(entry_points, "entry_points", _entry_points)
def resource_mappings_entry_point_successful():
return [
{"http://somewhere.org/schemas/foo-1.0.0": b"foo"},
{"http://somewhere.org/schemas/bar-1.0.0": b"bar"},
]
def resource_mappings_entry_point_failing():
raise Exception("NOPE")
def resource_mappings_entry_point_bad_element():
return [
{"http://somewhere.org/schemas/baz-1.0.0": b"baz"},
object(),
{"http://somewhere.org/schemas/foz-1.0.0": b"foz"},
]
def test_get_resource_mappings(mock_entry_points):
mock_entry_points.append(
(
"asdf.resource_mappings",
"successful",
"asdf.tests.test_entry_points:resource_mappings_entry_point_successful",
)
)
mappings = entry_points.get_resource_mappings()
assert len(mappings) == 2
for m in mappings:
assert isinstance(m, ResourceMappingProxy)
assert m.package_name == "asdf"
assert m.package_version == asdf_package_version
mock_entry_points.clear()
mock_entry_points.append(
("asdf.resource_mappings", "failing", "asdf.tests.test_entry_points:resource_mappings_entry_point_failing")
)
with pytest.warns(AsdfWarning, match=r"Exception: NOPE"):
mappings = entry_points.get_resource_mappings()
assert len(mappings) == 0
mock_entry_points.clear()
mock_entry_points.append(
(
"asdf.resource_mappings",
"bad_element",
"asdf.tests.test_entry_points:resource_mappings_entry_point_bad_element",
)
)
with pytest.warns(AsdfWarning, match=r"TypeError: Resource mapping must implement the Mapping interface"):
mappings = entry_points.get_resource_mappings()
assert len(mappings) == 2
class MinimumExtension:
def __init__(self, extension_uri):
self._extension_uri = extension_uri
@property
def extension_uri(self):
return self._extension_uri
def extensions_entry_point_successful():
return [
MinimumExtension("http://somewhere.org/extensions/foo-1.0"),
MinimumExtension("http://somewhere.org/extensions/bar-1.0"),
]
def extensions_entry_point_failing():
raise Exception("NOPE")
def extensions_entry_point_bad_element():
return [
MinimumExtension("http://somewhere.org/extensions/baz-1.0"),
object(),
MinimumExtension("http://somewhere.org/extensions/foz-1.0"),
]
class LegacyExtension:
types = []
tag_mapping = []
url_mapping = []
class FauxLegacyExtension:
pass
def test_get_extensions(mock_entry_points):
mock_entry_points.append(
("asdf.extensions", "successful", "asdf.tests.test_entry_points:extensions_entry_point_successful")
)
extensions = entry_points.get_extensions()
assert len(extensions) == 2
for e in extensions:
assert isinstance(e, ExtensionProxy)
assert e.package_name == "asdf"
assert e.package_version == asdf_package_version
mock_entry_points.clear()
mock_entry_points.append(
("asdf.extensions", "failing", "asdf.tests.test_entry_points:extensions_entry_point_failing")
)
with pytest.warns(AsdfWarning, match=r"Exception: NOPE"):
extensions = entry_points.get_extensions()
assert len(extensions) == 0
mock_entry_points.clear()
mock_entry_points.append(
("asdf.extensions", "bad_element", "asdf.tests.test_entry_points:extensions_entry_point_bad_element")
)
with pytest.warns(
AsdfWarning, match=r"TypeError: Extension must implement the Extension or AsdfExtension interface"
):
extensions = entry_points.get_extensions()
assert len(extensions) == 2
mock_entry_points.clear()
mock_entry_points.append(("asdf_extensions", "legacy", "asdf.tests.test_entry_points:LegacyExtension"))
extensions = entry_points.get_extensions()
assert len(extensions) == 1
for e in extensions:
assert isinstance(e, ExtensionProxy)
assert e.package_name == "asdf"
assert e.package_version == asdf_package_version
assert e.legacy is True
mock_entry_points.clear()
mock_entry_points.append(("asdf_extensions", "failing", "asdf.tests.test_entry_points:FauxLegacyExtension"))
with pytest.warns(AsdfWarning, match=r"TypeError"):
extensions = entry_points.get_extensions()
assert len(extensions) == 0
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