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"""
Test that warn_on_failed_conversion works as expected for:
- lazy and non-lazy trees
- nested objects
- generator producing (yielding) converters
Broken out into a regtest since there is significant
test setup.
https://github.com/asdf-format/asdf/issues/1948
"""
import pytest
import asdf
test_dict_tag_uri = "asdf://somewhere.org/tags/test_dict-1.0.0"
failing_dict_tag_uri = "asdf://somewhere.org/tags/failing_dict-1.0.0"
failing_yield_dict_tag_uri = "asdf://somewhere.org/tags/failing_yield_dict-1.0.0"
class MyDict:
def __init__(self, data):
self.data = data
class FailingDict(MyDict):
pass
class FailingYieldDict(MyDict):
pass
class MyDictConverter:
tags = [test_dict_tag_uri]
types = [MyDict]
lazy = True
def to_yaml_tree(self, obj, tag, ctx):
return obj.data
def from_yaml_tree(self, node, tag, ctx):
return MyDict(node)
class FailingDictConverter:
tags = [failing_dict_tag_uri]
types = [FailingDict]
lazy = True
def to_yaml_tree(self, obj, tag, ctx):
return obj.data
def from_yaml_tree(self, node, tag, ctx):
# always make reading a failing_dict tag fail
raise Exception("FailingDict failed")
class FailingYieldDictConverter:
tags = [failing_yield_dict_tag_uri]
types = [FailingYieldDict]
lazy = True
def to_yaml_tree(self, obj, tag, ctx):
return obj.data
def from_yaml_tree(self, node, tag, ctx):
raise Exception("FailingYieldDict failed")
yield {}
class TestExtension:
extension_uri = "asdf://somewhere.org/extensions/minimum-1.0.0"
converters = [MyDictConverter(), FailingDictConverter(), FailingYieldDictConverter()]
tags = [test_dict_tag_uri, failing_dict_tag_uri, failing_yield_dict_tag_uri]
@pytest.fixture()
def enable_test_extension():
with asdf.config_context() as cfg:
cfg.add_extension(TestExtension())
yield
def test_failed_conversion_warns(enable_test_extension):
tree = {
"test_dict": MyDict({"failing_dict": FailingDict({"a": 1})}),
"failing_yield_dict": FailingYieldDict({"b": 2}),
}
asdf_str = asdf.dumps(tree)
with asdf.config_context() as cfg:
cfg.warn_on_failed_conversion = True
with (
pytest.warns(asdf.exceptions.AsdfConversionWarning, match="FailingDict failed"),
pytest.warns(asdf.exceptions.AsdfConversionWarning, match="FailingYieldDict failed"),
):
read_obj = asdf.loads(asdf_str)
test_dict = read_obj["test_dict"]
assert isinstance(test_dict, MyDict)
failing_dict = read_obj["test_dict"].data["failing_dict"]
assert isinstance(failing_dict, asdf.tagged.TaggedDict)
assert failing_dict._tag == failing_dict_tag_uri
assert failing_dict["a"] == 1
failing_yield_dict = read_obj["failing_yield_dict"]
assert isinstance(failing_yield_dict, asdf.tagged.TaggedDict)
assert failing_yield_dict._tag == failing_yield_dict_tag_uri
assert failing_yield_dict["b"] == 2
def test_lazy_failed_conversion_warns(enable_test_extension, tmp_path):
test_path = tmp_path / "test.asdf"
tree = {
"test_dict": MyDict({"failing_dict": FailingDict({"a": 1})}),
"failing_yield_dict": FailingYieldDict({"b": 2}),
}
asdf.dump(tree, test_path)
with asdf.config_context() as cfg:
cfg.warn_on_failed_conversion = True
cfg.lazy_tree = True
with asdf.open(test_path) as af:
test_dict = af["test_dict"]
assert isinstance(test_dict, MyDict)
with pytest.warns(asdf.exceptions.AsdfConversionWarning, match="FailingDict failed"):
failing_dict = af["test_dict"].data["failing_dict"]
with pytest.warns(asdf.exceptions.AsdfConversionWarning, match="FailingYieldDict failed"):
failing_yield_dict = af["failing_yield_dict"]
assert isinstance(failing_dict, asdf.tagged.TaggedDict)
assert failing_dict._tag == failing_dict_tag_uri
assert failing_dict["a"] == 1
assert isinstance(failing_yield_dict, asdf.tagged.TaggedDict)
assert failing_yield_dict._tag == failing_yield_dict_tag_uri
assert failing_yield_dict["b"] == 2
|
