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import pytest
from marshmallow.exceptions import ValidationError
class TestValidationError:
def test_stores_message_in_list(self):
err = ValidationError("foo")
assert err.messages == ["foo"]
def test_can_pass_list_of_messages(self):
err = ValidationError(["foo", "bar"])
assert err.messages == ["foo", "bar"]
def test_stores_dictionaries(self):
messages = {"user": {"email": ["email is invalid"]}}
err = ValidationError(messages)
assert err.messages == messages
def test_can_store_field_name(self):
err = ValidationError("invalid email", field_name="email")
assert err.field_name == "email"
def test_str(self):
err = ValidationError("invalid email")
assert str(err) == "invalid email"
err2 = ValidationError("invalid email", "email")
assert str(err2) == "invalid email"
def test_stores_dictionaries_in_messages_dict(self):
messages = {"user": {"email": ["email is invalid"]}}
err = ValidationError(messages)
assert err.messages_dict == messages
def test_messages_dict_type_error_on_badval(self):
err = ValidationError("foo")
with pytest.raises(TypeError) as excinfo:
err.messages_dict # noqa: B018
assert "cannot access 'messages_dict' when 'messages' is of type list" in str(
excinfo.value
)
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