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Deprecate undocumented predicates from the
utils
module (#56)
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Original file line number | Diff line number | Diff line change |
---|---|---|
@@ -0,0 +1,69 @@ | ||
import unittest | ||
import warnings | ||
from types import MappingProxyType | ||
from unittest import mock | ||
|
||
from itemadapter.adapter import AttrsAdapter | ||
from itemadapter.utils import get_field_meta_from_class | ||
|
||
from tests import ( | ||
AttrsItem, | ||
DataClassItem, | ||
PydanticModel, | ||
ScrapyItem, | ||
ScrapySubclassedItem, | ||
mocked_import, | ||
) | ||
|
||
|
||
class AttrsTestCase(unittest.TestCase): | ||
def test_false(self): | ||
self.assertFalse(AttrsAdapter.is_item(int)) | ||
self.assertFalse(AttrsAdapter.is_item(sum)) | ||
self.assertFalse(AttrsAdapter.is_item(1234)) | ||
self.assertFalse(AttrsAdapter.is_item(object())) | ||
self.assertFalse(AttrsAdapter.is_item(ScrapyItem())) | ||
self.assertFalse(AttrsAdapter.is_item(DataClassItem())) | ||
self.assertFalse(AttrsAdapter.is_item(PydanticModel())) | ||
self.assertFalse(AttrsAdapter.is_item(ScrapySubclassedItem())) | ||
self.assertFalse(AttrsAdapter.is_item("a string")) | ||
self.assertFalse(AttrsAdapter.is_item(b"some bytes")) | ||
self.assertFalse(AttrsAdapter.is_item({"a": "dict"})) | ||
self.assertFalse(AttrsAdapter.is_item(["a", "list"])) | ||
self.assertFalse(AttrsAdapter.is_item(("a", "tuple"))) | ||
self.assertFalse(AttrsAdapter.is_item({"a", "set"})) | ||
self.assertFalse(AttrsAdapter.is_item(AttrsItem)) | ||
|
||
@unittest.skipIf(not AttrsItem, "attrs module is not available") | ||
@mock.patch("builtins.__import__", mocked_import) | ||
def test_module_not_available(self): | ||
self.assertFalse(AttrsAdapter.is_item(AttrsItem(name="asdf", value=1234))) | ||
with self.assertRaises(TypeError, msg="AttrsItem is not a valid item class"): | ||
get_field_meta_from_class(AttrsItem, "name") | ||
|
||
@unittest.skipIf(not AttrsItem, "attrs module is not available") | ||
def test_true(self): | ||
self.assertTrue(AttrsAdapter.is_item(AttrsItem())) | ||
self.assertTrue(AttrsAdapter.is_item(AttrsItem(name="asdf", value=1234))) | ||
# field metadata | ||
self.assertEqual( | ||
get_field_meta_from_class(AttrsItem, "name"), MappingProxyType({"serializer": str}) | ||
) | ||
self.assertEqual( | ||
get_field_meta_from_class(AttrsItem, "value"), MappingProxyType({"serializer": int}) | ||
) | ||
with self.assertRaises(KeyError, msg="AttrsItem does not support field: non_existent"): | ||
get_field_meta_from_class(AttrsItem, "non_existent") | ||
|
||
def test_deprecated_is_instance(self): | ||
from itemadapter.utils import is_attrs_instance | ||
|
||
with warnings.catch_warnings(record=True) as caught: | ||
is_attrs_instance(1) | ||
self.assertEqual(len(caught), 1) | ||
self.assertTrue(issubclass(caught[0].category, DeprecationWarning)) | ||
self.assertEqual( | ||
"itemadapter.utils.is_attrs_instance is deprecated" | ||
" and it will be removed in a future version", | ||
str(caught[0].message), | ||
) |
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Original file line number | Diff line number | Diff line change |
---|---|---|
@@ -0,0 +1,70 @@ | ||
import unittest | ||
import warnings | ||
from types import MappingProxyType | ||
from unittest import mock | ||
|
||
from itemadapter.adapter import DataclassAdapter | ||
from itemadapter.utils import get_field_meta_from_class | ||
|
||
from tests import ( | ||
AttrsItem, | ||
DataClassItem, | ||
PydanticModel, | ||
ScrapyItem, | ||
ScrapySubclassedItem, | ||
mocked_import, | ||
) | ||
|
||
|
||
class DataclassTestCase(unittest.TestCase): | ||
def test_false(self): | ||
self.assertFalse(DataclassAdapter.is_item(int)) | ||
self.assertFalse(DataclassAdapter.is_item(sum)) | ||
self.assertFalse(DataclassAdapter.is_item(1234)) | ||
self.assertFalse(DataclassAdapter.is_item(object())) | ||
self.assertFalse(DataclassAdapter.is_item(ScrapyItem())) | ||
self.assertFalse(DataclassAdapter.is_item(AttrsItem())) | ||
self.assertFalse(DataclassAdapter.is_item(PydanticModel())) | ||
self.assertFalse(DataclassAdapter.is_item(ScrapySubclassedItem())) | ||
self.assertFalse(DataclassAdapter.is_item("a string")) | ||
self.assertFalse(DataclassAdapter.is_item(b"some bytes")) | ||
self.assertFalse(DataclassAdapter.is_item({"a": "dict"})) | ||
self.assertFalse(DataclassAdapter.is_item(["a", "list"])) | ||
self.assertFalse(DataclassAdapter.is_item(("a", "tuple"))) | ||
self.assertFalse(DataclassAdapter.is_item({"a", "set"})) | ||
self.assertFalse(DataclassAdapter.is_item(DataClassItem)) | ||
|
||
@unittest.skipIf(not DataClassItem, "dataclasses module is not available") | ||
@mock.patch("builtins.__import__", mocked_import) | ||
def test_module_not_available(self): | ||
self.assertFalse(DataclassAdapter.is_item(DataClassItem(name="asdf", value=1234))) | ||
with self.assertRaises(TypeError, msg="DataClassItem is not a valid item class"): | ||
get_field_meta_from_class(DataClassItem, "name") | ||
|
||
@unittest.skipIf(not DataClassItem, "dataclasses module is not available") | ||
def test_true(self): | ||
self.assertTrue(DataclassAdapter.is_item(DataClassItem())) | ||
self.assertTrue(DataclassAdapter.is_item(DataClassItem(name="asdf", value=1234))) | ||
# field metadata | ||
self.assertEqual( | ||
get_field_meta_from_class(DataClassItem, "name"), MappingProxyType({"serializer": str}) | ||
) | ||
self.assertEqual( | ||
get_field_meta_from_class(DataClassItem, "value"), | ||
MappingProxyType({"serializer": int}), | ||
) | ||
with self.assertRaises(KeyError, msg="DataClassItem does not support field: non_existent"): | ||
get_field_meta_from_class(DataClassItem, "non_existent") | ||
|
||
def test_deprecated_is_instance(self): | ||
from itemadapter.utils import is_dataclass_instance | ||
|
||
with warnings.catch_warnings(record=True) as caught: | ||
is_dataclass_instance(1) | ||
self.assertEqual(len(caught), 1) | ||
self.assertTrue(issubclass(caught[0].category, DeprecationWarning)) | ||
self.assertEqual( | ||
"itemadapter.utils.is_dataclass_instance is deprecated" | ||
" and it will be removed in a future version", | ||
str(caught[0].message), | ||
) |
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