django1/tests/postgres_tests/fields.py

50 lines
1.5 KiB
Python

"""
Indirection layer for PostgreSQL-specific fields, so the tests don't fail when
run with a backend other than PostgreSQL.
"""
import enum
from django.db import models
try:
from django.contrib.postgres.fields import (
ArrayField, BigIntegerRangeField, CICharField, CIEmailField,
CITextField, DateRangeField, DateTimeRangeField, DecimalRangeField,
HStoreField, IntegerRangeField, JSONField,
)
from django.contrib.postgres.search import SearchVectorField
except ImportError:
class DummyArrayField(models.Field):
def __init__(self, base_field, size=None, **kwargs):
super().__init__(**kwargs)
def deconstruct(self):
name, path, args, kwargs = super().deconstruct()
kwargs.update({
'base_field': '',
'size': 1,
})
return name, path, args, kwargs
class DummyJSONField(models.Field):
def __init__(self, encoder=None, **kwargs):
super().__init__(**kwargs)
ArrayField = DummyArrayField
BigIntegerRangeField = models.Field
CICharField = models.Field
CIEmailField = models.Field
CITextField = models.Field
DateRangeField = models.Field
DateTimeRangeField = models.Field
DecimalRangeField = models.Field
HStoreField = models.Field
IntegerRangeField = models.Field
JSONField = DummyJSONField
SearchVectorField = models.Field
class EnumField(models.CharField):
def get_prep_value(self, value):
return value.value if isinstance(value, enum.Enum) else value