import datetime
from mock import MagicMock
from unittest import TestCase
from django.core.exceptions import FieldError
from django.db.models import Q, Avg
from django_mock_queries.constants import *
from django_mock_queries.exceptions import ModelNotSpecified, ArgumentNotSupported
from django_mock_queries.query import MockSet, MockModel, create_model
from django_mock_queries.mocks import mocked_relations
from tests.mock_models import Car, CarVariation, Sedan, Manufacturer
class TestQuery(TestCase):
def setUp(self):
self.mock_set = MockSet()
def tearDown(self):
self.mock_set.clear()
def test_query_counts_items_in_set(self):
items = [1, 2, 3]
assert MockSet(*items).count() == len(items)
def test_query_adds_items_to_set(self):
items = [1, 2, 3]
self.mock_set.add(*items)
assert list(self.mock_set) == items
def test_query_removes_items_from_set(self):
item_1 = MockModel(foo=1)
item_2 = MockModel(foo=2)
self.mock_set.add(item_1, item_2)
self.mock_set.remove(foo=1)
items = list(self.mock_set)
assert item_1 not in items
assert item_2 in items
def test_query_filters_items_by_attributes(self):
item_1 = MockModel(foo=1, bar='a')
item_2 = MockModel(foo=1, bar='b')
item_3 = MockModel(foo=2, bar='b')
self.mock_set.add(item_1, item_2, item_3)
results = list(self.mock_set.filter(foo=1, bar='b'))
assert item_1 not in results
assert item_2 in results
assert item_3 not in results
def test_query_filters_items_by_boolean_attributes(self):
item_1 = MockModel(foo=True, bar=True)
item_2 = MockModel(foo=True, bar=False)
item_3 = MockModel(foo=False, bar=False)
self.mock_set.add(item_1, item_2, item_3)
results = list(self.mock_set.filter(foo=True, bar=False))
assert item_1 not in results
assert item_2 in results
assert item_3 not in results
def test_query_filters_items_by_q_object_or(self):
item_1 = MockModel(mock_name='#1', foo=1)
item_2 = MockModel(mock_name='#2', foo=2)
item_3 = MockModel(mock_name='#3', foo=3)
self.mock_set.add(item_1, item_2, item_3)
results = list(self.mock_set.filter(Q(foo=1) | Q(foo=2)))
assert item_1 in results
assert item_2 in results
assert item_3 not in results
def test_query_filters_items_by_q_object_and(self):
item_1 = MockModel(mock_name='#1', foo=1, bar='a')
item_2 = MockModel(mock_name='#2', foo=1, bar='b')
item_3 = MockModel(mock_name='#3', foo=3, bar='b')
self.mock_set.add(item_1, item_2, item_3)
results = list(self.mock_set.filter(Q(foo=1) & Q(bar='b')))
assert item_1 not in results
assert item_2 in results
assert item_3 not in results
def test_query_filters_items_by_q_object_with_negation(self):
item_1 = MockModel(mock_name='#1', foo=1, bar='a')
item_2 = MockModel(mock_name='#2', foo=1, bar='b')
item_3 = MockModel(mock_name='#3', foo=3, bar='b')
self.mock_set.add(item_1, item_2, item_3)
results = list(self.mock_set.filter(~Q(foo=1) | Q(bar='a')))
assert item_1 in results
assert item_2 not in results
assert item_3 in results
def test_query_filters_items_by_q_object_and_with_one_empty(self):
item_3 = MockModel(mock_name='#1', foo=3, bar='b')
self.mock_set.add(item_3)
results = list(self.mock_set.filter(Q(bar='b', foo=1)))
assert item_3 not in results
def test_query_filters_items_by_unsupported_object(self):
bogus_filter = 'This is not a filter.'
with self.assertRaises(ArgumentNotSupported):
self.mock_set.filter(bogus_filter)
def test_query_filters_model_objects(self):
item_1 = Car(speed=1)
item_2 = Sedan(speed=2)
item_3 = Car(speed=3)
item_2.sedan = item_2
self.mock_set.add(item_1, item_2, item_3)
results = list(self.mock_set.filter(speed=3))
assert results == [item_3]
def test_query_filters_related_model_objects(self):
item_1 = Car(make=Manufacturer(name='apple'))
item_2 = Car(make=Manufacturer(name='banana'))
item_3 = Car(make=Manufacturer(name='cherry'))
self.mock_set.add(item_1, item_2, item_3)
results = list(self.mock_set.filter(make__name='cherry'))
assert results == [item_3]
def test_query_filters_model_objects_by_subclass(self):
item_1 = Car(speed=1)
item_2 = Sedan(speed=2)
item_3 = Car(speed=3)
item_2.sedan = item_2
self.mock_set.add(item_1, item_2, item_3)
results = list(self.mock_set.filter(sedan__isnull=False))
assert results == [item_2]
def test_query_filters_model_objects_by_pk(self):
item_1 = Car(speed=1, id=101)
item_2 = Car(speed=2, id=102)
self.mock_set.add(item_1, item_2)
results = list(self.mock_set.filter(pk=102))
assert results == [item_2]
def test_query_convert_to_pks(self):
car1 = Car(id=101)
car2 = Car(id=102)
car3 = Car(id=103)
old_cars = MockSet(car1, car2)
all_cars = MockSet(car1, car2, car3)
matches = all_cars.filter(pk__in=old_cars)
self.assertEqual(list(old_cars), list(matches))
def test_query_convert_values_list_to_pks(self):
car1 = Car(id=101)
car2 = Car(id=102)
car3 = Car(id=103)
old_cars = MockSet(car1, car2)
old_car_pks = old_cars.values_list("pk", flat=True)
all_cars = MockSet(car1, car2, car3)
matches = all_cars.filter(pk__in=old_car_pks)
self.assertEqual(list(old_cars), list(matches))
def test_query_filters_model_objects_by_bad_field(self):
item_1 = Car(speed=1)
item_2 = Sedan(speed=2)
item_3 = Car(speed=3)
item_2.sedan = item_2
self.mock_set.add(item_1, item_2, item_3)
with self.assertRaisesRegexp(
FieldError,
r"Cannot resolve keyword 'bad_field' into field\. "
r"Choices are 'id', 'make', 'make_id', 'model', 'passengers', 'sedan', 'speed', 'variations'\."):
self.mock_set.filter(bad_field='bogus')
def test_query_exclude(self):
item_1 = MockModel(foo=1, bar='a')
item_2 = MockModel(foo=1, bar='b')
item_3 = MockModel(foo=2, bar='b')
self.mock_set.add(item_1, item_2, item_3)
results = list(self.mock_set.exclude(foo=1, bar='b'))
assert item_1 in results, results
assert item_2 not in results, results
assert item_3 in results, results
def test_query_clears_all_items_from_set(self):
self.mock_set.add(1, 2, 3)
self.mock_set.clear()
assert list(self.mock_set) == []
def test_query_exists_returns_true_when_items_above_zero_otherwise_false(self):
assert self.mock_set.exists() is False
self.mock_set.add(1)
assert self.mock_set.exists() is True
def test_query_indexing_set_returns_nth_item(self):
items = [1, 2, 3]
self.mock_set.add(*items)
assert self.mock_set[1] == items[1]
def test_query_aggregate_performs_sum_on_queryset_field(self):
items = [
MockModel(foo=5),
MockModel(foo=10),
MockModel(foo=15),
MockModel(foo=None)
]
self.mock_set.add(*items)
expr = MagicMock(function=AGGREGATES_SUM, source_expressions=[MockModel(name='foo')])
result = self.mock_set.aggregate(expr)
assert result['foo__sum'] == sum([x.foo for x in items if x.foo is not None])
def test_query_aggregate_on_related_field(self):
with mocked_relations(Manufacturer):
cars = [Car(speed=1), Car(speed=2), Car(speed=3)]
make = Manufacturer()
make.car_set = MockSet(*cars)
self.mock_set.add(make)
result = self.mock_set.aggregate(Avg('car__speed'))
assert result['car__speed__avg'] == sum([c.speed for c in cars]) / len(cars)
def test_query_aggregate_performs_count_on_queryset_field(self):
items = [
MockModel(foo=5),
MockModel(foo=10),
MockModel(foo=15),
MockModel(foo=None)
]
self.mock_set.add(*items)
expr = MagicMock(function=AGGREGATES_COUNT, source_expressions=[MockModel(name='foo')])
result = self.mock_set.aggregate(expr)
assert result['foo__count'] == len([x.foo for x in items if x.foo is not None])
def test_query_aggregate_performs_max_on_queryset_field(self):
items = [
MockModel(foo=5),
MockModel(foo=10),
MockModel(foo=15),
MockModel(foo=None)
]
self.mock_set.add(*items)
expr = MagicMock(function=AGGREGATES_MAX, source_expressions=[MockModel(name='foo')])
result = self.mock_set.aggregate(expr)
assert result['foo__max'] == max([x.foo for x in items if x.foo is not None])
def test_query_aggregate_performs_min_on_queryset_field(self):
items = [
MockModel(foo=5),
MockModel(foo=10),
MockModel(foo=15),
MockModel(foo=None)
]
self.mock_set.add(*items)
expr = MagicMock(function=AGGREGATES_MIN, source_expressions=[MockModel(name='foo')])
result = self.mock_set.aggregate(expr)
assert result['foo__min'] == min([x.foo for x in items if x.foo is not None])
def test_query_aggregate_performs_avg_on_queryset_field(self):
items = [
MockModel(foo=5),
MockModel(foo=10),
MockModel(foo=15),
MockModel(foo=None)
]
self.mock_set.add(*items)
expr = MagicMock(function=AGGREGATES_AVG, source_expressions=[MockModel(name='foo')])
result = self.mock_set.aggregate(expr)
assert result['foo__avg'] == sum(
[x.foo for x in items if x.foo is not None]
) / len(
[x.foo for x in items if x.foo is not None]
)
def test_query_aggregate_with_none_only_field_values_performs_correct_aggregation(self):
items = [
MockModel(foo=None),
MockModel(foo=None),
MockModel(foo=None),
MockModel(foo=None)
]
self.mock_set.add(*items)
expr_sum = MagicMock(function=AGGREGATES_SUM, source_expressions=[MockModel(name='foo')])
expr_max = MagicMock(function=AGGREGATES_MAX, source_expressions=[MockModel(name='foo')])
expr_min = MagicMock(function=AGGREGATES_MIN, source_expressions=[MockModel(name='foo')])
expr_count = MagicMock(function=AGGREGATES_COUNT, source_expressions=[MockModel(name='foo')])
expr_avg = MagicMock(function=AGGREGATES_AVG, source_expressions=[MockModel(name='foo')])
result_sum = self.mock_set.aggregate(expr_sum)
result_max = self.mock_set.aggregate(expr_max)
result_min = self.mock_set.aggregate(expr_min)
result_count = self.mock_set.aggregate(expr_count)
result_avg = self.mock_set.aggregate(expr_avg)
assert result_sum['foo__sum'] is None
assert result_max['foo__max'] is None
assert result_min['foo__min'] is None
assert result_count['foo__count'] == 0
assert result_avg['foo__avg'] is None
def test_query_aggregate_multiple_params_aggregation(self):
items = [
MockModel(foo=5),
MockModel(foo=10),
MockModel(foo=15),
MockModel(foo=None)
]
self.mock_set.add(*items)
expr_sum = MagicMock(function=AGGREGATES_SUM, source_expressions=[MockModel(name='foo')])
expr_max = MagicMock(function=AGGREGATES_MAX, source_expressions=[MockModel(name='foo')])
expr_min = MagicMock(function=AGGREGATES_MIN, source_expressions=[MockModel(name='foo')])
expr_count = MagicMock(function=AGGREGATES_COUNT, source_expressions=[MockModel(name='foo')])
expr_avg = MagicMock(function=AGGREGATES_AVG, source_expressions=[MockModel(name='foo')])
result = self.mock_set.aggregate(expr_sum, expr_max, expr_min, expr_count, expr_avg,
sum=expr_sum, max=expr_max, min=expr_min, count=expr_count, avg=expr_avg)
assert result['foo__sum'] == sum([x.foo for x in items if x.foo is not None])
assert result['foo__max'] == max([x.foo for x in items if x.foo is not None])
assert result['foo__min'] == min([x.foo for x in items if x.foo is not None])
assert result['foo__count'] == len([x.foo for x in items if x.foo is not None])
assert result['foo__avg'] == sum(
[x.foo for x in items if x.foo is not None]
) / len(
[x.foo for x in items if x.foo is not None]
)
assert result['sum'] == sum([x.foo for x in items if x.foo is not None])
assert result['max'] == max([x.foo for x in items if x.foo is not None])
assert result['min'] == min([x.foo for x in items if x.foo is not None])
assert result['count'] == len([x.foo for x in items if x.foo is not None])
assert result['avg'] == sum(
[x.foo for x in items if x.foo is not None]
) / len(
[x.foo for x in items if x.foo is not None]
)
def test_query_aggregate_multiple_params_with_none_only_field_values_aggregation_with_none(self):
items = [
MockModel(foo=None),
MockModel(foo=None),
MockModel(foo=None),
MockModel(foo=None)
]
self.mock_set.add(*items)
expr_sum = MagicMock(function=AGGREGATES_SUM, source_expressions=[MockModel(name='foo')])
expr_max = MagicMock(function=AGGREGATES_MAX, source_expressions=[MockModel(name='foo')])
expr_min = MagicMock(function=AGGREGATES_MIN, source_expressions=[MockModel(name='foo')])
expr_count = MagicMock(function=AGGREGATES_COUNT, source_expressions=[MockModel(name='foo')])
expr_avg = MagicMock(function=AGGREGATES_AVG, source_expressions=[MockModel(name='foo')])
result = self.mock_set.aggregate(expr_sum, expr_max, expr_min, expr_count, expr_avg,
sum=expr_sum, max=expr_max, min=expr_min, count=expr_count, avg=expr_avg)
assert result['foo__sum'] is None
assert result['foo__max'] is None
assert result['foo__min'] is None
assert result['foo__count'] == 0
assert result['foo__avg'] is None
assert result['sum'] is None
assert result['max'] is None
assert result['min'] is None
assert result['count'] == 0
assert result['avg'] is None
def test_query_aggregate_with_no_params_returns_empty_dict(self):
assert self.mock_set.aggregate() == {}
def test_query_aggregate_multiple_params_expression_distinction(self):
expr_sum = MagicMock(function=AGGREGATES_SUM, source_expressions=[MockModel(name='foo')])
expr_max = MagicMock(function=AGGREGATES_MAX, source_expressions=[MockModel(name='foo')])
expr_min = MagicMock(function=AGGREGATES_MIN, source_expressions=[MockModel(name='foo')])
expr_count = MagicMock(function=AGGREGATES_COUNT, source_expressions=[MockModel(name='foo')])
expr_avg = MagicMock(function=AGGREGATES_AVG, source_expressions=[MockModel(name='foo')])
result = self.mock_set.aggregate(expr_sum, expr_max, expr_min, expr_count, expr_avg,
expr_sum, expr_max, expr_min, expr_count, expr_avg,
a=expr_max, b=expr_max, c=expr_min, d=expr_min,
e=expr_sum, f=expr_sum, g=expr_avg, h=expr_avg,
i=expr_count, j=expr_count)
assert len(result) == 15
def test_query_first_none(self):
first = self.mock_set.first()
assert first is None, first
def test_query_first(self):
item_1 = MockModel(foo=1)
item_2 = MockModel(foo=2)
item_3 = MockModel(foo=3)
self.mock_set.add(item_3, item_1, item_2)
first = self.mock_set.first()
assert first == item_3, first
def test_query_last_none(self):
last = self.mock_set.last()
assert last is None, last
def test_query_last(self):
item_1 = MockModel(foo=1)
item_2 = MockModel(foo=2)
item_3 = MockModel(foo=3)
self.mock_set.add(item_3, item_1, item_2)
last = self.mock_set.last()
assert last == item_2, last
def test_query_latest_returns_the_last_element_from_ordered_set_using_fields_args(self):
item_1 = MockModel(foo=1)
item_2 = MockModel(foo=2)
item_3 = MockModel(foo=3)
self.mock_set.add(item_3, item_1, item_2)
latest = self.mock_set.latest('foo')
assert latest == item_3
def test_query_latest_returns_the_last_element_from_ordered_set_using_field_name_kwarg(self):
item_1 = MockModel(foo=1)
item_2 = MockModel(foo=2)
item_3 = MockModel(foo=3)
self.mock_set.add(item_3, item_1, item_2)
latest = self.mock_set.latest(field_name='foo')
assert latest == item_3
def test_query_latest_returns_the_last_element_from_ordered_set_using_meta_get_latest_by(self):
item_1 = MagicMock(foo=1)
item_2 = MagicMock(foo=2)
item_3 = MagicMock(foo=3)
objects = MockSet(item_3, item_1, item_2, model=MockModel())
objects.model._meta.get_latest_by = 'foo'
latest = objects.latest()
assert latest == item_3
def test_query_latest_raises_error_when_both_fields_args_and_field_name_kwarg_supplied(self):
item_1 = MockModel(foo=1, bar='a')
item_2 = MockModel(foo=2, bar='b')
item_3 = MockModel(foo=3, bar='c')
self.mock_set.add(item_3, item_1, item_2)
self.assertRaises(ValueError, self.mock_set.latest, 'foo', field_name='bar')
def test_query_latest_raises_error_when_no_fields_supplied(self):
item_1 = MagicMock(foo=1)
item_2 = MagicMock(foo=2)
item_3 = MagicMock(foo=3)
objects = MockSet(item_3, item_1, item_2, model=MockModel())
self.assertRaises(ValueError, objects.latest)
def test_query_latest_raises_error_exist_when_empty_set(self):
self.mock_set.clear()
self.assertRaises(ObjectDoesNotExist, self.mock_set.latest, 'foo')
def test_query_earliest_returns_the_first_element_from_ordered_set(self):
item_1 = MockModel(foo=1)
item_2 = MockModel(foo=2)
item_3 = MockModel(foo=3)
self.mock_set.add(item_3, item_1, item_2)
latest = self.mock_set.earliest('foo')
assert latest == item_1
def test_query_earliest_raises_error_exist_when_empty_set(self):
self.mock_set.clear()
self.assertRaises(ObjectDoesNotExist, self.mock_set.earliest, 'foo')
def test_query_order_by(self):
item_1 = MockModel(foo=1, bar='a', mock_name='item_1')
item_2 = MockModel(foo=1, bar='c', mock_name='item_2')
item_3 = MockModel(foo=2, bar='b', mock_name='item_3')
self.mock_set.add(item_1, item_3, item_2)
results = list(self.mock_set.order_by('foo', 'bar'))
assert results == [item_1, item_2, item_3], results
def test_query_order_by_descending(self):
item_1 = MockModel(foo=1, bar='c', mock_name='item_1')
item_2 = MockModel(foo=1, bar='a', mock_name='item_2')
item_3 = MockModel(foo=2, bar='b', mock_name='item_3')
self.mock_set.add(item_2, item_3, item_1)
results = list(self.mock_set.order_by('foo', '-bar'))
assert results == [item_1, item_2, item_3], results
def test_query_distinct(self):
item_1 = MockModel(foo=1, mock_name='item_1')
item_2 = MockModel(foo=2, mock_name='item_2')
item_3 = MockModel(foo=3, mock_name='item_3')
self.mock_set.add(item_2, item_3, item_1, item_3)
results = list(self.mock_set.distinct().order_by('foo'))
assert results == [item_1, item_2, item_3], results
def test_query_distinct_django_model(self):
item_1 = Car(speed=1)
item_2 = Car(speed=2)
item_3 = Car(speed=3)
self.mock_set.add(item_2, item_3, item_1, item_3)
results = list(self.mock_set.distinct().order_by('speed'))
assert results == [item_1, item_2, item_3], results
def test_query_distinct_values(self):
item_1 = MockModel(foo=1, mock_name='item_1')
item_2 = MockModel(foo=2, mock_name='item_2')
item_3 = MockModel(foo=3, mock_name='item_3')
self.mock_set.add(item_2, item_3, item_1, item_3)
results = list(self.mock_set.values('foo').distinct().order_by('foo'))
expected = [
{'foo': item_1.foo},
{'foo': item_2.foo},
{'foo': item_3.foo},
]
assert results == expected, results
def test_query_distinct_with_fields(self):
item_1 = MockModel(foo=1, bar='c', foo_bar='x', mock_name='item_1')
item_2 = MockModel(foo=2, bar='a', foo_bar='y', mock_name='item_2')
item_3 = MockModel(foo=1, bar='c', foo_bar='z', mock_name='item_3')
self.mock_set.add(item_2, item_3, item_1, item_3)
results = list(self.mock_set.order_by('foo', 'bar', 'foo_bar').distinct('foo', 'bar'))
assert results == [item_1, item_2], results
def test_query_distinct_django_model_with_fields(self):
item_1 = Car(speed=1, model='a')
item_2 = Car(speed=2, model='b')
item_3 = Car(speed=1, model='c')
self.mock_set.add(item_2, item_3, item_1, item_3)
results = list(self.mock_set.order_by('speed', 'model').distinct('speed'))
assert results == [item_1, item_2], results
def test_query_implements_iterator_on_items(self):
items = [1, 2, 3]
assert [x for x in MockSet(*items)] == items
def test_query_creates_new_model_and_adds_to_set(self):
qs = MockSet(model=create_model('foo', 'bar', 'none'))
attrs = dict(foo=1, bar='a')
obj = qs.create(**attrs)
assert obj in [x for x in qs]
assert hasattr(obj, 'foo') and obj.foo == 1
assert hasattr(obj, 'bar') and obj.bar == 'a'
assert hasattr(obj, 'none') and obj.none is None
def test_query_create_raises_model_not_specified_when_mockset_model_is_none(self):
qs = MockSet()
attrs = dict(foo=1, bar='a')
self.assertRaises(ModelNotSpecified, qs.create, **attrs)
def test_query_create_raises_value_error_when_kwarg_key_is_not_in_concrete_fields(self):
qs = MockSet(
model=create_model('first', 'second', 'third')
)
attrs = dict(first=1, second=2, third=3, fourth=4)
with self.assertRaises(FieldError):
qs.create(**attrs)
def test_query_update_returns_number_of_affected_rows(self):
objects = [MockModel(foo=1), MockModel(foo=1), MockModel(foo=2)]
qs = MockSet(*objects, model=create_model('foo', 'bar'))
count = qs.filter(foo=1).update(bar=2)
assert count == len(objects) - 1, count
def test_query_update_with_multiple_values(self):
objects = [MockModel(foo=1), MockModel(foo=2), MockModel(foo=3)]
qs = MockSet(*objects, model=create_model('foo', 'bar'))
set_foo, set_bar = 4, 5
qs.update(foo=set_foo, bar=set_bar)
for x in qs:
assert x.foo == set_foo, x.foo
assert x.bar == set_bar, x.bar
def test_query_update_does_not_allow_related_model_fields(self):
objects = [MockModel(foo=MockModel(bar=1)), MockModel(foo=MockModel(bar=2))]
qs = MockSet(*objects, model=create_model('foo'))
target = dict(foo__bar=2)
with self.assertRaises(FieldError) as cm:
qs.update(**target)
assert 'Cannot update model field \'{}\''.format(next(iter(target))) in str(cm.exception)
def test_query_delete_all_entries(self):
item_1 = MockModel(foo=1, bar='a', mock_name='item_1')
item_2 = MockModel(foo=1, bar='b', mock_name='item_2')
self.mock_set.add(item_1, item_2)
self.mock_set.delete()
assert len(self.mock_set) == 0, len(self.mock_set)
def test_query_delete_entries_propagated_from_nested_qs(self):
item_1 = MockModel(foo=1, bar='a', mock_name='item_1')
item_2 = MockModel(foo=1, bar='b', mock_name='item_2')
self.mock_set.add(item_1, item_2)
self.mock_set.filter(bar='b').delete()
assert len(self.mock_set) == 1, len(self.mock_set)
assert item_1 in self.mock_set
assert item_2 not in self.mock_set
def test_query_gets_unique_match_by_attrs_from_set(self):
item_1 = MockModel(foo=1)
item_2 = MockModel(foo=2)
item_3 = MockModel(foo=3)
self.mock_set.add(item_1, item_2, item_3)
result = self.mock_set.get(foo=2)
assert item_2 == result
def test_query_get_raises_does_not_exist_when_no_match(self):
item_1 = MockModel(foo=1)
item_2 = MockModel(foo=2)
item_3 = MockModel(foo=3)
self.mock_set.add(item_1, item_2, item_3)
self.assertRaises(ObjectDoesNotExist, self.mock_set.get, foo=4)
def test_query_get_raises_specific_exception(self):
item_1 = Car(model='battle')
item_2 = Car(model='pious')
item_3 = Car(model='hummus')
self.mock_set = MockSet(item_1, item_2, item_3, model=Car)
self.assertRaises(Car.DoesNotExist, self.mock_set.get, model='clowncar')
def test_query_filter_keeps_class(self):
item_1 = Car(model='battle')
item_2 = Car(model='pious')
item_3 = Car(model='hummus')
self.mock_set = MockSet(item_1, item_2, item_3, model=Car)
filtered = self.mock_set.filter(model__endswith='s')
self.assertRaises(Car.DoesNotExist, filtered.get, model='clowncar')
def test_query_get_raises_does_multiple_objects_returned_when_more_than_one_match(self):
item_1 = MockModel(foo=1)
item_2 = MockModel(foo=1)
item_3 = MockModel(foo=2)
self.mock_set.add(item_1, item_2, item_3)
self.assertRaises(MultipleObjectsReturned, self.mock_set.get, foo=1)
def test_query_get_or_create_gets_existing_unique_match(self):
item_1 = MockModel(foo=1)
item_2 = MockModel(foo=2)
item_3 = MockModel(foo=3)
self.mock_set.add(item_1, item_2, item_3)
obj, created = self.mock_set.get_or_create(foo=2)
assert obj == item_2
assert created is False
def test_query_get_or_create_raises_does_multiple_objects_returned_when_more_than_one_match(self):
item_1 = MockModel(foo=1)
item_2 = MockModel(foo=1)
item_3 = MockModel(foo=2)
self.mock_set.add(item_1, item_2, item_3)
self.assertRaises(MultipleObjectsReturned, self.mock_set.get_or_create, foo=1)
def test_query_get_or_create_creates_new_model_when_no_match(self):
item_1 = MockModel(foo=1)
item_2 = MockModel(foo=2)
item_3 = MockModel(foo=3)
qs = MockSet(model=create_model('foo'))
qs.add(item_1, item_2, item_3)
obj, created = qs.get_or_create(foo=4)
assert hasattr(obj, 'foo') and obj.foo == 4
assert created is True
def test_query_get_or_create_gets_existing_unique_match_with_defaults(self):
qs = MockSet(
model=create_model('first', 'second', 'third')
)
item_1 = MockModel(first=1)
item_2 = MockModel(second=2)
item_3 = MockModel(third=3)
qs.add(item_1, item_2, item_3)
obj, created = qs.get_or_create(defaults={'first': 3, 'third': 1}, second=2)
assert hasattr(obj, 'second') and obj.second == 2
assert created is False
def test_query_get_or_create_raises_does_multiple_objects_returned_when_more_than_one_match_with_defaults(self):
qs = MockSet(
model=create_model('first', 'second', 'third')
)
item_1 = MockModel(first=1)
item_2 = MockModel(first=1)
item_3 = MockModel(third=3)
qs.add(item_1, item_2, item_3)
qs.add(item_1, item_2, item_3)
with self.assertRaises(MultipleObjectsReturned):
qs.get_or_create(first=1, defaults={'second': 2})
def test_query_get_or_create_creates_new_model_when_no_match_with_defaults(self):
qs = MockSet(
model=create_model('first', 'second', 'third')
)
item_1 = MockModel(first=1)
item_2 = MockModel(second=2)
item_3 = MockModel(third=3)
qs.add(item_1, item_2, item_3)
obj, created = qs.get_or_create(defaults={'first': 3}, second=1)
assert hasattr(obj, 'first') and obj.first == 3
assert hasattr(obj, 'second') and obj.second == 1
assert hasattr(obj, 'third') and obj.third is None
assert created is True
def test_query_get_or_create_raises_model_not_specified_with_defaults_when_mockset_model_is_none(self):
qs = MockSet()
item_1 = MockModel(first=1)
item_2 = MockModel(second=2)
item_3 = MockModel(third=3)
qs.add(item_1, item_2, item_3)
with self.assertRaises(ModelNotSpecified):
qs.get_or_create(defaults={'first': 3, 'third': 2}, second=1)
def test_query_update_or_create_gets_existing_unique_match(self):
item_1 = MockModel(foo=1)
item_2 = MockModel(foo=2)
item_3 = MockModel(foo=3)
self.mock_set.add(item_1, item_2, item_3)
obj, created = self.mock_set.update_or_create(foo=2)
assert obj == item_2
assert created is False
def test_query_update_or_create_raises_does_multiple_objects_returned_when_more_than_one_match(self):
item_1 = MockModel(foo=1)
item_2 = MockModel(foo=1)
item_3 = MockModel(foo=2)
self.mock_set.add(item_1, item_2, item_3)
self.assertRaises(MultipleObjectsReturned, self.mock_set.update_or_create, foo=1)
def test_query_update_or_create_creates_new_model_when_no_match(self):
item_1 = MockModel(foo=1)
item_2 = MockModel(foo=2)
item_3 = MockModel(foo=3)
qs = MockSet(model=create_model('foo'))
qs.add(item_1, item_2, item_3)
obj, created = qs.update_or_create(foo=4)
assert hasattr(obj, 'foo') and obj.foo == 4
assert created is True
def test_query_update_or_create_gets_existing_unique_match_with_defaults(self):
qs = MockSet(
model=create_model('first', 'second', 'third')
)
item_1 = MockModel(first=1)
item_2 = MockModel(second=2)
item_3 = MockModel(third=3)
qs.add(item_1, item_2, item_3)
obj, created = qs.update_or_create(defaults={'first': 3, 'third': 1}, second=2)
assert hasattr(obj, 'second') and obj.second == 2
assert created is False
def test_query_update_or_create_raises_does_multiple_objects_returned_when_more_than_one_match_with_defaults(self):
qs = MockSet(
model=create_model('first', 'second', 'third')
)
item_1 = MockModel(first=1)
item_2 = MockModel(first=1)
item_3 = MockModel(third=3)
qs.add(item_1, item_2, item_3)
qs.add(item_1, item_2, item_3)
with self.assertRaises(MultipleObjectsReturned):
qs.update_or_create(first=1, defaults={'second': 2})
def test_query_update_or_create_creates_new_model_when_no_match_with_defaults(self):
qs = MockSet(
model=create_model('first', 'second', 'third')
)
item_1 = MockModel(first=1)
item_2 = MockModel(second=2)
item_3 = MockModel(third=3)
qs.add(item_1, item_2, item_3)
obj, created = qs.update_or_create(defaults={'first': 3}, second=1)
assert hasattr(obj, 'first') and obj.first == 3
assert hasattr(obj, 'second') and obj.second == 1
assert hasattr(obj, 'third') and obj.third is None
assert created is True
def test_query_update_or_create_updates_match_with_defaults(self):
qs = MockSet(
model=create_model('first', 'second', 'third')
)
item_1 = MockModel(first=1)
item_2 = MockModel(second=2)
item_3 = MockModel(third=3)
qs.add(item_1, item_2, item_3)
obj, created = qs.update_or_create(defaults={'first': 3, 'third': 1}, second=2)
assert hasattr(obj, 'first') and obj.first == 3
assert hasattr(obj, 'second') and obj.second == 2
assert hasattr(obj, 'third') and obj.third == 1
assert created is False
def test_query_update_or_create_raises_model_not_specified_with_defaults_when_mockset_model_is_none(self):
qs = MockSet()
item_1 = MockModel(first=1)
item_2 = MockModel(second=2)
item_3 = MockModel(third=3)
qs.add(item_1, item_2, item_3)
with self.assertRaises(ModelNotSpecified):
qs.update_or_create(defaults={'first': 3, 'third': 2}, second=1)
def test_query_return_self_methods_accept_any_parameters_and_return_instance(self):
qs = MockSet(MockModel(foo=1), MockModel(foo=2))
assert qs == qs.all()
assert qs == qs.only('f1')
assert qs == qs.defer('f2', 'f3')
assert qs == qs.using('default')
assert qs == qs.select_related('t1', 't2')
assert qs == qs.prefetch_related('t3', 't4')
assert qs == qs.select_for_update()
def test_query_values_list_raises_type_error_when_kwargs_other_than_flat_specified(self):
qs = MockSet(MockModel(foo=1), MockModel(foo=2))
self.assertRaises(TypeError, qs.values_list, arg='value')
def test_query_values_list_raises_type_error_when_flat_specified_with_multiple_fields(self):
qs = MockSet(MockModel(foo=1, bar=1), MockModel(foo=2, bar=2))
self.assertRaises(TypeError, qs.values_list, 'foo', 'bar', flat=True)
def test_query_values_list_raises_attribute_error_when_field_is_not_in_meta_concrete_fields(self):
qs = MockSet(MockModel(foo=1), MockModel(foo=2))
self.assertRaises(FieldError, qs.values_list, 'bar')
def test_query_values_list(self):
item_1 = MockModel(foo=1, bar=3)
item_2 = MockModel(foo=2, bar=4)
qs = MockSet(item_1, item_2)
results_flat = qs.values_list('foo', flat=True)
results_single_fields = qs.values_list('foo')
results_with_fields = qs.values_list('foo', 'bar')
assert results_flat[0] == 1
assert results_flat[1] == 2
assert results_single_fields[0] == (1,)
assert results_single_fields[1] == (2,)
assert results_with_fields[0] == (1, 3)
assert results_with_fields[1] == (2, 4)
def test_query_values_list_raises_type_error_if_flat_and_named_are_true(self):
qs = MockSet(MockModel(foo=1), MockModel(foo=2))
self.assertRaises(TypeError, qs.values_list, flat=True, named=True)
def test_named_query_values_list(self):
item_1 = MockModel(foo=1, bar=3)
item_2 = MockModel(foo=2, bar=4)
qs = MockSet(item_1, item_2)
results_with_named_fields_fields = qs.values_list('foo', 'bar', named=True)
assert results_with_named_fields_fields[0].foo == 1
assert results_with_named_fields_fields[0].bar == 3
assert results_with_named_fields_fields[1].foo == 2
assert results_with_named_fields_fields[1].bar == 4
def test_query_values_list_of_nested_field(self):
with mocked_relations(Manufacturer, Car):
make = Manufacturer(name='vw')
self.mock_set.add(make)
polo = Car(make=make, model='polo', speed=240)
golf = Car(make=make, model='golf', speed=260)
polo_white = CarVariation(car=polo, color='white')
golf_white = CarVariation(car=golf, color='white')
golf_black = CarVariation(car=golf, color='black')
make.car_set = MockSet(polo, golf)
polo.variations = MockSet(polo_white)
golf.variations = MockSet(golf_white, golf_black)
data = list(self.mock_set.values_list('name', 'car__model', 'car__variations__color'))
assert (make.name, polo.model, polo_white.color) in data
assert (make.name, golf.model, golf_black.color) in data
def test_query_values_raises_attribute_error_when_field_is_not_in_meta_concrete_fields(self):
qs = MockSet(MockModel(foo=1), MockModel(foo=2))
self.assertRaises(FieldError, qs.values, 'bar')
def test_query_values(self):
item_1 = MockModel(foo=1, bar=3, foobar=5)
item_2 = MockModel(foo=2, bar=4, foobar=6)
qs = MockSet(item_1, item_2)
results_all = qs.values()
results_with_fields = qs.values('foo', 'bar')
assert results_all[0]['foo'] == 1
assert results_all[0]['bar'] == 3
assert results_all[0]['foobar'] == 5
assert results_all[1]['foo'] == 2
assert results_all[1]['bar'] == 4
assert results_all[1]['foobar'] == 6
assert results_with_fields[0]['foo'] == 1
assert results_with_fields[0]['bar'] == 3
assert results_with_fields[1]['foo'] == 2
assert results_with_fields[1]['bar'] == 4
def test_query_values_of_nested_field(self):
with mocked_relations(Manufacturer, Car):
make = Manufacturer(name='vw')
self.mock_set.add(make)
polo = Car(make=make, model='polo', speed=240)
golf = Car(make=make, model='golf', speed=260)
polo_white = CarVariation(car=polo, color='white')
golf_white = CarVariation(car=golf, color='white')
golf_black = CarVariation(car=golf, color='black')
make.car_set = MockSet(polo, golf)
polo.variations = MockSet(polo_white)
golf.variations = MockSet(golf_white, golf_black)
data = list(self.mock_set.values('car__model', 'car__variations__color', 'name'))
assert {'name': make.name, 'car__model': polo.model, 'car__variations__color': polo_white.color} in data
assert {'name': make.name, 'car__model': golf.model, 'car__variations__color': golf_white.color} in data
assert {'name': make.name, 'car__model': golf.model, 'car__variations__color': golf_black.color} in data
def test_query_length1(self):
q = MockSet(MockModel())
n = len(q)
self.assertEqual(1, n)
def test_query_length2(self):
q = MockSet(MockModel(), MockModel())
n = len(q)
self.assertEqual(2, n)
def test_query_create_model_raises_value_error_with_zero_arguments(self):
with self.assertRaises(ValueError):
create_model()
def test_query_model_repr_returns_mock_name(self):
model = MockModel(mock_name='model_name')
assert repr(model) == model.mock_name
def test_query_dates_year(self):
qs = MockSet(model=create_model('date_begin'))
item1 = MockModel(date_begin=datetime.date(2017, 1, 2))
item2 = MockModel(date_begin=datetime.date(2017, 3, 12))
item3 = MockModel(date_begin=datetime.date(2016, 3, 4))
qs.add(item1, item2, item3)
result = qs.dates('date_begin', 'year', 'ASC')
assert len(result) == 2
assert result[0] == datetime.date(2016, 1, 1)
assert result[1] == datetime.date(2017, 1, 1)
result = qs.dates('date_begin', 'year', 'DESC')
assert len(result) == 2
assert result[0] == datetime.date(2017, 1, 1)
assert result[1] == datetime.date(2016, 1, 1)
def test_query_dates_month(self):
qs = MockSet(model=create_model('date_begin'))
item1 = MockModel(date_begin=datetime.date(2017, 1, 2))
item2 = MockModel(date_begin=datetime.date(2017, 1, 19))
item3 = MockModel(date_begin=datetime.date(2017, 2, 4))
qs.add(item1, item2, item3)
result = qs.dates('date_begin', 'month', 'ASC')
assert len(result) == 2
assert result[0] == datetime.date(2017, 1, 1)
assert result[1] == datetime.date(2017, 2, 1)
result = qs.dates('date_begin', 'month', 'DESC')
assert len(result) == 2
assert result[0] == datetime.date(2017, 2, 1)
assert result[1] == datetime.date(2017, 1, 1)
def test_query_dates_day(self):
qs = MockSet(model=create_model('date_begin'))
item1 = MockModel(date_begin=datetime.date(2017, 1, 2))
item2 = MockModel(date_begin=datetime.date(2017, 2, 14))
item3 = MockModel(date_begin=datetime.date(2017, 2, 14))
qs.add(item1, item2, item3)
result = qs.dates('date_begin', 'day', 'ASC')
assert len(result) == 2
assert result[0] == datetime.date(2017, 1, 2)
assert result[1] == datetime.date(2017, 2, 14)
result = qs.dates('date_begin', 'day', 'DESC')
assert len(result) == 2
assert result[0] == datetime.date(2017, 2, 14)
assert result[1] == datetime.date(2017, 1, 2)
def test_query_datetimes_year(self):
qs = MockSet(model=create_model('date_begin'))
item1 = MockModel(date_begin=datetime.datetime(2017, 1, 2, 1, 2, 3))
item2 = MockModel(date_begin=datetime.datetime(2017, 3, 12, 4, 5, 6))
item3 = MockModel(date_begin=datetime.datetime(2016, 3, 4, 7, 8, 9))
qs.add(item1, item2, item3)
result = qs.datetimes('date_begin', 'year', 'ASC')
assert len(result) == 2
assert result[0] == datetime.datetime(2016, 1, 1, 0, 0, 0)
assert result[1] == datetime.datetime(2017, 1, 1, 0, 0, 0)
result = qs.datetimes('date_begin', 'year', 'DESC')
assert len(result) == 2
assert result[0] == datetime.datetime(2017, 1, 1, 0, 0, 0)
assert result[1] == datetime.datetime(2016, 1, 1, 0, 0, 0)
def test_query_datetimes_month(self):
qs = MockSet(model=create_model('date_begin'))
item1 = MockModel(date_begin=datetime.datetime(2017, 1, 2, 1, 2, 3))
item2 = MockModel(date_begin=datetime.datetime(2017, 1, 19, 4, 5, 6))
item3 = MockModel(date_begin=datetime.datetime(2017, 2, 4, 7, 8, 9))
qs.add(item1, item2, item3)
result = qs.datetimes('date_begin', 'month', 'ASC')
assert len(result) == 2
assert result[0] == datetime.datetime(2017, 1, 1, 0, 0, 0)
assert result[1] == datetime.datetime(2017, 2, 1, 0, 0, 0)
result = qs.datetimes('date_begin', 'month', 'DESC')
assert len(result) == 2
assert result[0] == datetime.datetime(2017, 2, 1, 0, 0, 0)
assert result[1] == datetime.datetime(2017, 1, 1, 0, 0, 0)
def test_query_datetimes_day(self):
qs = MockSet(model=create_model('date_begin'))
item1 = MockModel(date_begin=datetime.datetime(2017, 1, 2, 1, 2, 3))
item2 = MockModel(date_begin=datetime.datetime(2017, 2, 14, 4, 5, 6))
item3 = MockModel(date_begin=datetime.datetime(2017, 2, 14, 7, 8, 9))
qs.add(item1, item2, item3)
result = qs.datetimes('date_begin', 'day', 'ASC')
assert len(result) == 2
assert result[0] == datetime.datetime(2017, 1, 2, 0, 0, 0)
assert result[1] == datetime.datetime(2017, 2, 14, 0, 0, 0)
result = qs.datetimes('date_begin', 'day', 'DESC')
assert len(result) == 2
assert result[0] == datetime.datetime(2017, 2, 14, 0, 0, 0)
assert result[1] == datetime.datetime(2017, 1, 2, 0, 0, 0)
def test_query_datetimes_hour(self):
qs = MockSet(model=create_model('date_begin'))
item1 = MockModel(date_begin=datetime.datetime(2017, 1, 10, 1, 2, 3))
item2 = MockModel(date_begin=datetime.datetime(2017, 1, 10, 1, 5, 6))
item3 = MockModel(date_begin=datetime.datetime(2017, 1, 10, 2, 8, 9))
qs.add(item1, item2, item3)
result = qs.datetimes('date_begin', 'hour', 'ASC')
assert len(result) == 2
assert result[0] == datetime.datetime(2017, 1, 10, 1, 0, 0)
assert result[1] == datetime.datetime(2017, 1, 10, 2, 0, 0)
result = qs.datetimes('date_begin', 'hour', 'DESC')
assert len(result) == 2
assert result[0] == datetime.datetime(2017, 1, 10, 2, 0, 0)
assert result[1] == datetime.datetime(2017, 1, 10, 1, 0, 0)
def test_query_datetimes_minute(self):
qs = MockSet(model=create_model('date_begin'))
item1 = MockModel(date_begin=datetime.datetime(2017, 1, 10, 1, 2, 3))
item2 = MockModel(date_begin=datetime.datetime(2017, 1, 10, 1, 2, 6))
item3 = MockModel(date_begin=datetime.datetime(2017, 1, 10, 1, 3, 9))
qs.add(item1, item2, item3)
result = qs.datetimes('date_begin', 'minute', 'ASC')
assert len(result) == 2
assert result[0] == datetime.datetime(2017, 1, 10, 1, 2, 0)
assert result[1] == datetime.datetime(2017, 1, 10, 1, 3, 0)
result = qs.datetimes('date_begin', 'minute', 'DESC')
assert len(result) == 2
assert result[0] == datetime.datetime(2017, 1, 10, 1, 3, 0)
assert result[1] == datetime.datetime(2017, 1, 10, 1, 2, 0)
def test_query_datetimes_second(self):
qs = MockSet(model=create_model('date_begin'))
item1 = MockModel(date_begin=datetime.datetime(2017, 1, 10, 1, 2, 3))
item2 = MockModel(date_begin=datetime.datetime(2017, 1, 10, 1, 2, 3))
item3 = MockModel(date_begin=datetime.datetime(2017, 1, 10, 1, 2, 9))
qs.add(item1, item2, item3)
result = qs.datetimes('date_begin', 'second', 'ASC')
assert len(result) == 2
assert result[0] == datetime.datetime(2017, 1, 10, 1, 2, 3)
assert result[1] == datetime.datetime(2017, 1, 10, 1, 2, 9)
result = qs.datetimes('date_begin', 'second', 'DESC')
assert len(result) == 2
assert result[0] == datetime.datetime(2017, 1, 10, 1, 2, 9)
assert result[1] == datetime.datetime(2017, 1, 10, 1, 2, 3)
def test_empty_queryset_bool_converts_to_false(self):
qs = MockSet()
assert not bool(qs)
