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feat: add detail if get_obj_by_attr raise StopIteration (#40)

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d3vyce
2026-02-07 17:39:07 +01:00
committed by GitHub
parent d526969d0e
commit baa9711665
2 changed files with 12 additions and 4 deletions
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9
src/fastapi_toolsets/fixtures/utils.py
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@@ -29,9 +29,14 @@ def get_obj_by_attr(
The first model instance where the attribute matches the given value. The first model instance where the attribute matches the given value.
Raises: Raises:
StopIteration: If no matching object is found. StopIteration: If no matching object is found in the fixture group.
""" """
return next(obj for obj in fixtures() if getattr(obj, attr_name) == value) try:
return next(obj for obj in fixtures() if getattr(obj, attr_name) == value)
except StopIteration:
raise StopIteration(
f"No object with {attr_name}={value} found in fixture '{getattr(fixtures, '__name__', repr(fixtures))}'"
) from None
async def load_fixtures( async def load_fixtures(

7
tests/test_fixtures.py
View File

@@ -744,8 +744,11 @@ class TestGetObjByAttr:
assert user.username == "alice" assert user.username == "alice"
def test_no_match_raises_stop_iteration(self): def test_no_match_raises_stop_iteration(self):
"""Raises StopIteration when no object matches.""" """Raises StopIteration with contextual message when no object matches."""
with pytest.raises(StopIteration): with pytest.raises(
StopIteration,
match="No object with name=nonexistent found in fixture 'roles'",
):
get_obj_by_attr(self.roles, "name", "nonexistent") get_obj_by_attr(self.roles, "name", "nonexistent")
def test_no_match_on_wrong_value_type(self): def test_no_match_on_wrong_value_type(self):