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fix: error if eval()-ing repr(SchemaField) #1046

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merged 5 commits into from Nov 4, 2021
Merged

fix: error if eval()-ing repr(SchemaField) #1046

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046768d
fix: error if eval()-ing repr(SchemaField)
plamut Nov 4, 2021
f919573
Merge branch 'main' into iss-1041
tseaver Nov 4, 2021
711dc4a
Make repr(PolicyTagList) evaluable
plamut Nov 4, 2021
e735b6b
Fix SchemaField repr with policy tags
plamut Nov 4, 2021
871368b
Merge branch 'iss-1041' of github.com:plamut/python-bigquery into iss…
plamut Nov 4, 2021
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2 changes: 1 addition & 1 deletion google/cloud/bigquery/schema.py
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Expand Up @@ -268,7 +268,7 @@ def _key(self):
field_type = f"{field_type}({self.precision})"

policy_tags = (
() if self.policy_tags is None else tuple(sorted(self.policy_tags.names))
None if self.policy_tags is None else tuple(sorted(self.policy_tags.names))
)

return (
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11 changes: 10 additions & 1 deletion tests/unit/test_schema.py
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Expand Up @@ -510,9 +510,18 @@ def test___hash__not_equals(self):

def test___repr__(self):
field1 = self._make_one("field1", "STRING")
expected = "SchemaField('field1', 'STRING', 'NULLABLE', None, (), ())"
expected = "SchemaField('field1', 'STRING', 'NULLABLE', None, (), None)"
self.assertEqual(repr(field1), expected)

def test___repr__evaluable(self):
field = self._make_one("field1", "STRING", "REQUIRED", "Description")
field_repr = repr(field)
SchemaField = self._get_target_class() # needed for eval # noqa

evaled_field = eval(field_repr)

assert field == evaled_field

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For completeness, do we need a round-trip test for the case where there is a policy tuple?

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Would not hurt, I'll add it.

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Guess what, that extra test actually revealed deeper issues in the repr() of SchemaField and PolicyTagList.

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W00t!


# TODO: dedup with the same class in test_table.py.
class _SchemaBase(object):
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