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# -*- coding: utf-8 -*-
from unittest.mock import Mock
from django.test import RequestFactory, TestCase
from factory import Iterator
from django_extensions.admin.filter import NotNullFieldListFilter, NullFieldListFilter
from .testapp.factories import SecretFactory
from .testapp.models import Secret
class BaseFieldFilter(TestCase):
"""Base class for filter test cases."""
@classmethod
def setUpClass(cls):
SecretFactory.create_batch(5, text=Iterator([None, None, "foo", "bar", None]))
cls.request = RequestFactory().get("/admin/testapp/secret")
cls.field = Secret._meta.get_field("text")
cls.field_path = "text"
cls.qs = Secret.objects.all()
@classmethod
def tearDownClass(cls):
Secret.objects.all().delete()
class NullFieldListFilterTests(BaseFieldFilter):
"""Tests for NullFieldListFilter."""
def test_should_not_filter_qs_if_all_lookup_selected(self):
params = {}
filter_spec = NullFieldListFilter(
self.field, self.request, params, Secret, Mock(), self.field_path
)
result = filter_spec.queryset(self.request, self.qs)
self.assertCountEqual(self.qs, result)
def test_should_return_objects_with_empty_text_if_yes_lookup_selected(self):
expected_result = Secret.objects.filter(text__isnull=True)
params = {"text__isnull": "1"}
filter_spec = NullFieldListFilter(
self.field, self.request, params, Secret, Mock(), self.field_path
)
result = filter_spec.queryset(self.request, self.qs)
self.assertCountEqual(expected_result, result)
def test_should_return_objects_with_not_empty_text_value_if_no_lookup_selected(
self,
):
expected_result = Secret.objects.filter(text__isnull=False)
params = {"text__isnull": "0"}
filter_spec = NullFieldListFilter(
self.field, self.request, params, Secret, Mock(), self.field_path
)
result = filter_spec.queryset(self.request, self.qs)
self.assertCountEqual(expected_result, result)
def test_choices(self):
expected_result = [
{"selected": True, "query_string": "?", "display": "All"},
{"selected": False, "query_string": "?active__isnull=1", "display": "Yes"},
{"selected": False, "query_string": "?active__isnull=0", "display": "No"},
]
m_cl = Mock()
m_cl.get_query_string.side_effect = [
"?",
"?active__isnull=1",
"?active__isnull=0",
]
filter_spec = NullFieldListFilter(
self.field, self.request, {}, Secret, Mock(), self.field_path
)
result = filter_spec.choices(m_cl)
self.assertEqual(list(result), expected_result)
class NotNullFieldListFilterTests(BaseFieldFilter):
"""Tests for NotNullFieldListFilter."""
def test_should_not_filter_qs_if_all_lookup_selected(self):
params = {}
filter_spec = NotNullFieldListFilter(
self.field, self.request, params, Secret, Mock(), self.field_path
)
result = filter_spec.queryset(self.request, self.qs)
self.assertCountEqual(self.qs, result)
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