1 files changed, 218 insertions, 0 deletions
diff --git a/tests/forms/tests/models.py b/tests/forms/tests/models.py
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+++ b/tests/forms/tests/models.py
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+# -*- coding: utf-8 -*-
+from __future__ import absolute_import, unicode_literals
+
+import datetime
+
+from django.core.files.uploadedfile import SimpleUploadedFile
+from django.db import models
+from django.forms import Form, ModelForm, FileField, ModelChoiceField
+from django.forms.models import ModelFormMetaclass
+from django.test import TestCase
+from django.utils import six
+
+from ..models import (ChoiceOptionModel, ChoiceFieldModel, FileModel, Group,
+    BoundaryModel, Defaults, OptionalMultiChoiceModel)
+
+
+class ChoiceFieldForm(ModelForm):
+    class Meta:
+        model = ChoiceFieldModel
+
+
+class OptionalMultiChoiceModelForm(ModelForm):
+    class Meta:
+        model = OptionalMultiChoiceModel
+
+
+class FileForm(Form):
+    file1 = FileField()
+
+
+class TestTicket12510(TestCase):
+    ''' It is not necessary to generate choices for ModelChoiceField (regression test for #12510). '''
+    def setUp(self):
+        self.groups = [Group.objects.create(name=name) for name in 'abc']
+
+    def test_choices_not_fetched_when_not_rendering(self):
+        # only one query is required to pull the model from DB
+        with self.assertNumQueries(1):
+            field = ModelChoiceField(Group.objects.order_by('-name'))
+            self.assertEqual('a', field.clean(self.groups[0].pk).name)
+
+
+class TestTicket14567(TestCase):
+    """
+    Check that the return values of ModelMultipleChoiceFields are QuerySets
+    """
+    def test_empty_queryset_return(self):
+        "If a model's ManyToManyField has blank=True and is saved with no data, a queryset is returned."
+        form = OptionalMultiChoiceModelForm({'multi_choice_optional': '', 'multi_choice': ['1']})
+        self.assertTrue(form.is_valid())
+        # Check that the empty value is a QuerySet
+        self.assertTrue(isinstance(form.cleaned_data['multi_choice_optional'], models.query.QuerySet))
+        # While we're at it, test whether a QuerySet is returned if there *is* a value.
+        self.assertTrue(isinstance(form.cleaned_data['multi_choice'], models.query.QuerySet))
+
+
+class ModelFormCallableModelDefault(TestCase):
+    def test_no_empty_option(self):
+        "If a model's ForeignKey has blank=False and a default, no empty option is created (Refs #10792)."
+        option = ChoiceOptionModel.objects.create(name='default')
+
+        choices = list(ChoiceFieldForm().fields['choice'].choices)
+        self.assertEqual(len(choices), 1)
+        self.assertEqual(choices[0], (option.pk, six.text_type(option)))
+
+    def test_callable_initial_value(self):
+        "The initial value for a callable default returning a queryset is the pk (refs #13769)"
+        obj1 = ChoiceOptionModel.objects.create(id=1, name='default')
+        obj2 = ChoiceOptionModel.objects.create(id=2, name='option 2')
+        obj3 = ChoiceOptionModel.objects.create(id=3, name='option 3')
+        self.assertHTMLEqual(ChoiceFieldForm().as_p(), """<p><label for="id_choice">Choice:</label> <select name="choice" id="id_choice">
+<option value="1" selected="selected">ChoiceOption 1</option>
+<option value="2">ChoiceOption 2</option>
+<option value="3">ChoiceOption 3</option>
+</select><input type="hidden" name="initial-choice" value="1" id="initial-id_choice" /></p>
+<p><label for="id_choice_int">Choice int:</label> <select name="choice_int" id="id_choice_int">
+<option value="1" selected="selected">ChoiceOption 1</option>
+<option value="2">ChoiceOption 2</option>
+<option value="3">ChoiceOption 3</option>
+</select><input type="hidden" name="initial-choice_int" value="1" id="initial-id_choice_int" /></p>
+<p><label for="id_multi_choice">Multi choice:</label> <select multiple="multiple" name="multi_choice" id="id_multi_choice">
+<option value="1" selected="selected">ChoiceOption 1</option>
+<option value="2">ChoiceOption 2</option>
+<option value="3">ChoiceOption 3</option>
+</select><input type="hidden" name="initial-multi_choice" value="1" id="initial-id_multi_choice_0" /> <span class="helptext"> Hold down "Control", or "Command" on a Mac, to select more than one.</span></p>
+<p><label for="id_multi_choice_int">Multi choice int:</label> <select multiple="multiple" name="multi_choice_int" id="id_multi_choice_int">
+<option value="1" selected="selected">ChoiceOption 1</option>
+<option value="2">ChoiceOption 2</option>
+<option value="3">ChoiceOption 3</option>
+</select><input type="hidden" name="initial-multi_choice_int" value="1" id="initial-id_multi_choice_int_0" /> <span class="helptext"> Hold down "Control", or "Command" on a Mac, to select more than one.</span></p>""")
+
+    def test_initial_instance_value(self):
+        "Initial instances for model fields may also be instances (refs #7287)"
+        obj1 = ChoiceOptionModel.objects.create(id=1, name='default')
+        obj2 = ChoiceOptionModel.objects.create(id=2, name='option 2')
+        obj3 = ChoiceOptionModel.objects.create(id=3, name='option 3')
+        self.assertHTMLEqual(ChoiceFieldForm(initial={
+                'choice': obj2,
+                'choice_int': obj2,
+                'multi_choice': [obj2,obj3],
+                'multi_choice_int': ChoiceOptionModel.objects.exclude(name="default"),
+            }).as_p(), """<p><label for="id_choice">Choice:</label> <select name="choice" id="id_choice">
+<option value="1">ChoiceOption 1</option>
+<option value="2" selected="selected">ChoiceOption 2</option>
+<option value="3">ChoiceOption 3</option>
+</select><input type="hidden" name="initial-choice" value="2" id="initial-id_choice" /></p>
+<p><label for="id_choice_int">Choice int:</label> <select name="choice_int" id="id_choice_int">
+<option value="1">ChoiceOption 1</option>
+<option value="2" selected="selected">ChoiceOption 2</option>
+<option value="3">ChoiceOption 3</option>
+</select><input type="hidden" name="initial-choice_int" value="2" id="initial-id_choice_int" /></p>
+<p><label for="id_multi_choice">Multi choice:</label> <select multiple="multiple" name="multi_choice" id="id_multi_choice">
+<option value="1">ChoiceOption 1</option>
+<option value="2" selected="selected">ChoiceOption 2</option>
+<option value="3" selected="selected">ChoiceOption 3</option>
+</select><input type="hidden" name="initial-multi_choice" value="2" id="initial-id_multi_choice_0" />
+<input type="hidden" name="initial-multi_choice" value="3" id="initial-id_multi_choice_1" /> <span class="helptext"> Hold down "Control", or "Command" on a Mac, to select more than one.</span></p>
+<p><label for="id_multi_choice_int">Multi choice int:</label> <select multiple="multiple" name="multi_choice_int" id="id_multi_choice_int">
+<option value="1">ChoiceOption 1</option>
+<option value="2" selected="selected">ChoiceOption 2</option>
+<option value="3" selected="selected">ChoiceOption 3</option>
+</select><input type="hidden" name="initial-multi_choice_int" value="2" id="initial-id_multi_choice_int_0" />
+<input type="hidden" name="initial-multi_choice_int" value="3" id="initial-id_multi_choice_int_1" /> <span class="helptext"> Hold down "Control", or "Command" on a Mac, to select more than one.</span></p>""")
+
+
+class FormsModelTestCase(TestCase):
+    def test_unicode_filename(self):
+        # FileModel with unicode filename and data #########################
+        f = FileForm(data={}, files={'file1': SimpleUploadedFile('我隻氣墊船裝滿晒鱔.txt', 'मेरी मँडराने वाली नाव सर्पमीनों से भरी ह'.encode('utf-8'))}, auto_id=False)
+        self.assertTrue(f.is_valid())
+        self.assertTrue('file1' in f.cleaned_data)
+        m = FileModel.objects.create(file=f.cleaned_data['file1'])
+        self.assertEqual(m.file.name, 'tests/\u6211\u96bb\u6c23\u588a\u8239\u88dd\u6eff\u6652\u9c54.txt')
+        m.delete()
+
+    def test_boundary_conditions(self):
+        # Boundary conditions on a PostitiveIntegerField #########################
+        class BoundaryForm(ModelForm):
+            class Meta:
+                model = BoundaryModel
+
+        f = BoundaryForm({'positive_integer': 100})
+        self.assertTrue(f.is_valid())
+        f = BoundaryForm({'positive_integer': 0})
+        self.assertTrue(f.is_valid())
+        f = BoundaryForm({'positive_integer': -100})
+        self.assertFalse(f.is_valid())
+
+    def test_formfield_initial(self):
+        # Formfield initial values ########
+        # If the model has default values for some fields, they are used as the formfield
+        # initial values.
+        class DefaultsForm(ModelForm):
+            class Meta:
+                model = Defaults
+
+        self.assertEqual(DefaultsForm().fields['name'].initial, 'class default value')
+        self.assertEqual(DefaultsForm().fields['def_date'].initial, datetime.date(1980, 1, 1))
+        self.assertEqual(DefaultsForm().fields['value'].initial, 42)
+        r1 = DefaultsForm()['callable_default'].as_widget()
+        r2 = DefaultsForm()['callable_default'].as_widget()
+        self.assertNotEqual(r1, r2)
+
+        # In a ModelForm that is passed an instance, the initial values come from the
+        # instance's values, not the model's defaults.
+        foo_instance = Defaults(name='instance value', def_date=datetime.date(1969, 4, 4), value=12)
+        instance_form = DefaultsForm(instance=foo_instance)
+        self.assertEqual(instance_form.initial['name'], 'instance value')
+        self.assertEqual(instance_form.initial['def_date'], datetime.date(1969, 4, 4))
+        self.assertEqual(instance_form.initial['value'], 12)
+
+        from django.forms import CharField
+
+        class ExcludingForm(ModelForm):
+            name = CharField(max_length=255)
+
+            class Meta:
+                model = Defaults
+                exclude = ['name', 'callable_default']
+
+        f = ExcludingForm({'name': 'Hello', 'value': 99, 'def_date': datetime.date(1999, 3, 2)})
+        self.assertTrue(f.is_valid())
+        self.assertEqual(f.cleaned_data['name'], 'Hello')
+        obj = f.save()
+        self.assertEqual(obj.name, 'class default value')
+        self.assertEqual(obj.value, 99)
+        self.assertEqual(obj.def_date, datetime.date(1999, 3, 2))
+
+class RelatedModelFormTests(TestCase):
+    def test_invalid_loading_order(self):
+        """
+        Test for issue 10405
+        """
+        class A(models.Model):
+            ref = models.ForeignKey("B")
+
+        class Meta:
+            model=A
+
+        self.assertRaises(ValueError, ModelFormMetaclass, str('Form'), (ModelForm,), {'Meta': Meta})
+
+        class B(models.Model):
+            pass
+
+    def test_valid_loading_order(self):
+        """
+        Test for issue 10405
+        """
+        class A(models.Model):
+            ref = models.ForeignKey("B")
+
+        class B(models.Model):
+            pass
+
+        class Meta:
+            model=A
+
+        self.assertTrue(issubclass(ModelFormMetaclass(str('Form'), (ModelForm,), {'Meta': Meta}), ModelForm))