mirror of
https://github.com/django/django.git
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407 lines
15 KiB
Python
407 lines
15 KiB
Python
from datetime import datetime
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from decimal import Decimal
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from django import forms
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from django.conf import settings
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from django.contrib.admin import helpers
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from django.contrib.admin.utils import (
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NestedObjects, display_for_field, display_for_value, flatten,
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flatten_fieldsets, label_for_field, lookup_field, quote,
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)
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from django.db import DEFAULT_DB_ALIAS, models
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from django.test import SimpleTestCase, TestCase, override_settings
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from django.utils.formats import localize
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from django.utils.safestring import mark_safe
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from .models import (
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Article, Car, Count, Event, EventGuide, Location, Site, Vehicle,
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)
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class NestedObjectsTests(TestCase):
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"""
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Tests for ``NestedObject`` utility collection.
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"""
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def setUp(self):
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self.n = NestedObjects(using=DEFAULT_DB_ALIAS)
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self.objs = [Count.objects.create(num=i) for i in range(5)]
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def _check(self, target):
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self.assertEqual(self.n.nested(lambda obj: obj.num), target)
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def _connect(self, i, j):
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self.objs[i].parent = self.objs[j]
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self.objs[i].save()
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def _collect(self, *indices):
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self.n.collect([self.objs[i] for i in indices])
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def test_unrelated_roots(self):
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self._connect(2, 1)
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self._collect(0)
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self._collect(1)
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self._check([0, 1, [2]])
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def test_siblings(self):
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self._connect(1, 0)
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self._connect(2, 0)
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self._collect(0)
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self._check([0, [1, 2]])
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def test_non_added_parent(self):
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self._connect(0, 1)
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self._collect(0)
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self._check([0])
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def test_cyclic(self):
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self._connect(0, 2)
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self._connect(1, 0)
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self._connect(2, 1)
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self._collect(0)
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self._check([0, [1, [2]]])
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def test_queries(self):
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self._connect(1, 0)
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self._connect(2, 0)
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# 1 query to fetch all children of 0 (1 and 2)
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# 1 query to fetch all children of 1 and 2 (none)
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# Should not require additional queries to populate the nested graph.
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self.assertNumQueries(2, self._collect, 0)
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def test_on_delete_do_nothing(self):
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"""
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The nested collector doesn't query for DO_NOTHING objects.
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"""
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n = NestedObjects(using=DEFAULT_DB_ALIAS)
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objs = [Event.objects.create()]
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EventGuide.objects.create(event=objs[0])
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with self.assertNumQueries(2):
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# One for Location, one for Guest, and no query for EventGuide
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n.collect(objs)
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def test_relation_on_abstract(self):
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"""
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NestedObjects.collect() doesn't trip (AttributeError) on the special
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notation for relations on abstract models (related_name that contains
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%(app_label)s and/or %(class)s) (#21846).
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"""
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n = NestedObjects(using=DEFAULT_DB_ALIAS)
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Car.objects.create()
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n.collect([Vehicle.objects.first()])
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class UtilsTests(SimpleTestCase):
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empty_value = '-empty-'
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def test_values_from_lookup_field(self):
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"""
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Regression test for #12654: lookup_field
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"""
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SITE_NAME = 'example.com'
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TITLE_TEXT = 'Some title'
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CREATED_DATE = datetime.min
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ADMIN_METHOD = 'admin method'
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SIMPLE_FUNCTION = 'function'
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INSTANCE_ATTRIBUTE = 'attr'
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class MockModelAdmin:
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def get_admin_value(self, obj):
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return ADMIN_METHOD
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def simple_function(obj):
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return SIMPLE_FUNCTION
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site_obj = Site(domain=SITE_NAME)
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article = Article(
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site=site_obj,
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title=TITLE_TEXT,
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created=CREATED_DATE,
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)
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article.non_field = INSTANCE_ATTRIBUTE
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verifications = (
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('site', SITE_NAME),
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('created', localize(CREATED_DATE)),
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('title', TITLE_TEXT),
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('get_admin_value', ADMIN_METHOD),
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(simple_function, SIMPLE_FUNCTION),
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('test_from_model', article.test_from_model()),
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('non_field', INSTANCE_ATTRIBUTE)
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)
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mock_admin = MockModelAdmin()
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for name, value in verifications:
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field, attr, resolved_value = lookup_field(name, article, mock_admin)
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if field is not None:
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resolved_value = display_for_field(resolved_value, field, self.empty_value)
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self.assertEqual(value, resolved_value)
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def test_null_display_for_field(self):
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"""
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Regression test for #12550: display_for_field should handle None
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value.
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"""
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display_value = display_for_field(None, models.CharField(), self.empty_value)
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self.assertEqual(display_value, self.empty_value)
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display_value = display_for_field(None, models.CharField(
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choices=(
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(None, "test_none"),
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)
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), self.empty_value)
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self.assertEqual(display_value, "test_none")
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display_value = display_for_field(None, models.DateField(), self.empty_value)
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self.assertEqual(display_value, self.empty_value)
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display_value = display_for_field(None, models.TimeField(), self.empty_value)
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self.assertEqual(display_value, self.empty_value)
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# Regression test for #13071: NullBooleanField has special
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# handling.
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display_value = display_for_field(None, models.NullBooleanField(), self.empty_value)
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expected = '<img src="%sadmin/img/icon-unknown.svg" alt="None">' % settings.STATIC_URL
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self.assertHTMLEqual(display_value, expected)
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display_value = display_for_field(None, models.BooleanField(null=True), self.empty_value)
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expected = '<img src="%sadmin/img/icon-unknown.svg" alt="None" />' % settings.STATIC_URL
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self.assertHTMLEqual(display_value, expected)
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display_value = display_for_field(None, models.DecimalField(), self.empty_value)
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self.assertEqual(display_value, self.empty_value)
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display_value = display_for_field(None, models.FloatField(), self.empty_value)
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self.assertEqual(display_value, self.empty_value)
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display_value = display_for_field(None, models.JSONField(), self.empty_value)
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self.assertEqual(display_value, self.empty_value)
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def test_json_display_for_field(self):
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tests = [
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({'a': {'b': 'c'}}, '{"a": {"b": "c"}}'),
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(['a', 'b'], '["a", "b"]'),
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('a', '"a"'),
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({('a', 'b'): 'c'}, "{('a', 'b'): 'c'}"), # Invalid JSON.
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]
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for value, display_value in tests:
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with self.subTest(value=value):
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self.assertEqual(
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display_for_field(value, models.JSONField(), self.empty_value),
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display_value,
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)
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def test_number_formats_display_for_field(self):
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display_value = display_for_field(12345.6789, models.FloatField(), self.empty_value)
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self.assertEqual(display_value, '12345.6789')
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display_value = display_for_field(Decimal('12345.6789'), models.DecimalField(), self.empty_value)
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self.assertEqual(display_value, '12345.6789')
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display_value = display_for_field(12345, models.IntegerField(), self.empty_value)
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self.assertEqual(display_value, '12345')
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@override_settings(USE_L10N=True, USE_THOUSAND_SEPARATOR=True)
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def test_number_formats_with_thousand_separator_display_for_field(self):
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display_value = display_for_field(12345.6789, models.FloatField(), self.empty_value)
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self.assertEqual(display_value, '12,345.6789')
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display_value = display_for_field(Decimal('12345.6789'), models.DecimalField(), self.empty_value)
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self.assertEqual(display_value, '12,345.6789')
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display_value = display_for_field(12345, models.IntegerField(), self.empty_value)
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self.assertEqual(display_value, '12,345')
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def test_list_display_for_value(self):
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display_value = display_for_value([1, 2, 3], self.empty_value)
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self.assertEqual(display_value, '1, 2, 3')
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display_value = display_for_value([1, 2, 'buckle', 'my', 'shoe'], self.empty_value)
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self.assertEqual(display_value, '1, 2, buckle, my, shoe')
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@override_settings(USE_L10N=True, USE_THOUSAND_SEPARATOR=True)
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def test_list_display_for_value_boolean(self):
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self.assertEqual(
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display_for_value(True, '', boolean=True),
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'<img src="/static/admin/img/icon-yes.svg" alt="True">'
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)
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self.assertEqual(
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display_for_value(False, '', boolean=True),
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'<img src="/static/admin/img/icon-no.svg" alt="False">'
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)
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self.assertEqual(display_for_value(True, ''), 'True')
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self.assertEqual(display_for_value(False, ''), 'False')
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def test_label_for_field(self):
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"""
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Tests for label_for_field
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"""
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self.assertEqual(
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label_for_field("title", Article),
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"title"
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)
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self.assertEqual(
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label_for_field("hist", Article),
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"History"
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)
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self.assertEqual(
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label_for_field("hist", Article, return_attr=True),
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("History", None)
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)
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self.assertEqual(
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label_for_field("__str__", Article),
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"article"
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)
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with self.assertRaisesMessage(AttributeError, "Unable to lookup 'unknown' on Article"):
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label_for_field("unknown", Article)
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def test_callable(obj):
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return "nothing"
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self.assertEqual(
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label_for_field(test_callable, Article),
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"Test callable"
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)
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self.assertEqual(
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label_for_field(test_callable, Article, return_attr=True),
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("Test callable", test_callable)
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)
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self.assertEqual(
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label_for_field("test_from_model", Article),
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"Test from model"
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)
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self.assertEqual(
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label_for_field("test_from_model", Article, return_attr=True),
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("Test from model", Article.test_from_model)
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)
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self.assertEqual(
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label_for_field("test_from_model_with_override", Article),
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"not What you Expect"
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)
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self.assertEqual(
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label_for_field(lambda x: "nothing", Article),
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"--"
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)
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self.assertEqual(label_for_field('site_id', Article), 'Site id')
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class MockModelAdmin:
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def test_from_model(self, obj):
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return "nothing"
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test_from_model.short_description = "not Really the Model"
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self.assertEqual(
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label_for_field("test_from_model", Article, model_admin=MockModelAdmin),
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"not Really the Model"
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)
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self.assertEqual(
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label_for_field("test_from_model", Article, model_admin=MockModelAdmin, return_attr=True),
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("not Really the Model", MockModelAdmin.test_from_model)
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)
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def test_label_for_field_form_argument(self):
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class ArticleForm(forms.ModelForm):
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extra_form_field = forms.BooleanField()
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class Meta:
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fields = '__all__'
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model = Article
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self.assertEqual(
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label_for_field('extra_form_field', Article, form=ArticleForm()),
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'Extra form field'
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)
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msg = "Unable to lookup 'nonexistent' on Article or ArticleForm"
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with self.assertRaisesMessage(AttributeError, msg):
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label_for_field('nonexistent', Article, form=ArticleForm()),
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def test_label_for_property(self):
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# NOTE: cannot use @property decorator, because of
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# AttributeError: 'property' object has no attribute 'short_description'
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class MockModelAdmin:
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def my_property(self):
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return "this if from property"
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my_property.short_description = 'property short description'
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test_from_property = property(my_property)
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self.assertEqual(
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label_for_field("test_from_property", Article, model_admin=MockModelAdmin),
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'property short description'
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)
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def test_related_name(self):
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"""
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Regression test for #13963
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"""
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self.assertEqual(
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label_for_field('location', Event, return_attr=True),
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('location', None),
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)
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self.assertEqual(
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label_for_field('event', Location, return_attr=True),
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('awesome event', None),
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)
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self.assertEqual(
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label_for_field('guest', Event, return_attr=True),
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('awesome guest', None),
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)
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def test_safestring_in_field_label(self):
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# safestring should not be escaped
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class MyForm(forms.Form):
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text = forms.CharField(label=mark_safe('<i>text</i>'))
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cb = forms.BooleanField(label=mark_safe('<i>cb</i>'))
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form = MyForm()
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self.assertHTMLEqual(helpers.AdminField(form, 'text', is_first=False).label_tag(),
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'<label for="id_text" class="required inline"><i>text</i>:</label>')
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self.assertHTMLEqual(helpers.AdminField(form, 'cb', is_first=False).label_tag(),
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'<label for="id_cb" class="vCheckboxLabel required inline"><i>cb</i></label>')
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# normal strings needs to be escaped
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class MyForm(forms.Form):
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text = forms.CharField(label='&text')
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cb = forms.BooleanField(label='&cb')
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form = MyForm()
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self.assertHTMLEqual(helpers.AdminField(form, 'text', is_first=False).label_tag(),
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'<label for="id_text" class="required inline">&text:</label>')
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self.assertHTMLEqual(helpers.AdminField(form, 'cb', is_first=False).label_tag(),
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'<label for="id_cb" class="vCheckboxLabel required inline">&cb</label>')
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def test_flatten(self):
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flat_all = ['url', 'title', 'content', 'sites']
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inputs = (
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((), []),
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(('url', 'title', ('content', 'sites')), flat_all),
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(('url', 'title', 'content', 'sites'), flat_all),
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((('url', 'title'), ('content', 'sites')), flat_all)
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)
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for orig, expected in inputs:
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self.assertEqual(flatten(orig), expected)
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def test_flatten_fieldsets(self):
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"""
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Regression test for #18051
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"""
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fieldsets = (
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(None, {
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'fields': ('url', 'title', ('content', 'sites'))
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}),
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)
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self.assertEqual(flatten_fieldsets(fieldsets), ['url', 'title', 'content', 'sites'])
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fieldsets = (
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(None, {
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'fields': ('url', 'title', ['content', 'sites'])
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}),
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)
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self.assertEqual(flatten_fieldsets(fieldsets), ['url', 'title', 'content', 'sites'])
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def test_quote(self):
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self.assertEqual(quote('something\nor\nother'), 'something_0Aor_0Aother')
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