59 lines
2.1 KiB
Python
59 lines
2.1 KiB
Python
from __future__ import absolute_import
|
|
|
|
from operator import attrgetter
|
|
|
|
from django.test import TestCase, skipUnlessDBFeature
|
|
|
|
from .models import Country, Restaurant, Pizzeria, State
|
|
|
|
|
|
class BulkCreateTests(TestCase):
|
|
def setUp(self):
|
|
self.data = [
|
|
Country(name="United States of America", iso_two_letter="US"),
|
|
Country(name="The Netherlands", iso_two_letter="NL"),
|
|
Country(name="Germany", iso_two_letter="DE"),
|
|
Country(name="Czech Republic", iso_two_letter="CZ")
|
|
]
|
|
|
|
def test_simple(self):
|
|
created = Country.objects.bulk_create(self.data)
|
|
self.assertEqual(len(created), 4)
|
|
self.assertQuerysetEqual(Country.objects.order_by("-name"), [
|
|
"United States of America", "The Netherlands", "Germany", "Czech Republic"
|
|
], attrgetter("name"))
|
|
|
|
created = Country.objects.bulk_create([])
|
|
self.assertEqual(created, [])
|
|
self.assertEqual(Country.objects.count(), 4)
|
|
|
|
@skipUnlessDBFeature("has_bulk_insert")
|
|
def test_efficiency(self):
|
|
with self.assertNumQueries(1):
|
|
Country.objects.bulk_create(self.data)
|
|
|
|
def test_inheritance(self):
|
|
Restaurant.objects.bulk_create([
|
|
Restaurant(name="Nicholas's")
|
|
])
|
|
self.assertQuerysetEqual(Restaurant.objects.all(), [
|
|
"Nicholas's",
|
|
], attrgetter("name"))
|
|
with self.assertRaises(ValueError):
|
|
Pizzeria.objects.bulk_create([
|
|
Pizzeria(name="The Art of Pizza")
|
|
])
|
|
self.assertQuerysetEqual(Pizzeria.objects.all(), [])
|
|
self.assertQuerysetEqual(Restaurant.objects.all(), [
|
|
"Nicholas's",
|
|
], attrgetter("name"))
|
|
|
|
def test_non_auto_increment_pk(self):
|
|
with self.assertNumQueries(1):
|
|
State.objects.bulk_create([
|
|
State(two_letter_code=s)
|
|
for s in ["IL", "NY", "CA", "ME"]
|
|
])
|
|
self.assertQuerysetEqual(State.objects.order_by("two_letter_code"), [
|
|
"CA", "IL", "ME", "NY",
|
|
], attrgetter("two_letter_code")) |