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from __future__ import absolute_import
from __future__ import unicode_literals
from django import forms
from django.test import TestCase
from django_filters.filterset import FilterSet
from django_filters.filters import CharFilter
from django_filters.filters import ChoiceFilter
from .models import User
from .models import Book
from .models import STATUS_CHOICES
class FilterSetFormTests(TestCase):
def test_form_from_empty_filterset(self):
class F(FilterSet):
pass
f = F(queryset=Book.objects.all()).form
self.assertIsInstance(f, forms.Form)
def test_form(self):
class F(FilterSet):
class Meta:
model = Book
fields = ('title',)
f = F().form
self.assertIsInstance(f, forms.Form)
self.assertEqual(list(f.fields), ['title'])
def test_custom_form(self):
class MyForm(forms.Form):
pass
class F(FilterSet):
class Meta:
model = Book
form = MyForm
f = F().form
self.assertIsInstance(f, MyForm)
def test_form_prefix(self):
class F(FilterSet):
class Meta:
model = Book
fields = ('title',)
f = F().form
self.assertIsNone(f.prefix)
f = F(prefix='prefix').form
self.assertEqual(f.prefix, 'prefix')
def test_form_fields(self):
class F(FilterSet):
class Meta:
model = User
fields = ['status']
f = F().form
self.assertEqual(len(f.fields), 1)
self.assertIn('status', f.fields)
self.assertEqual(sorted(f.fields['status'].choices),
sorted(STATUS_CHOICES))
def test_form_fields_using_widget(self):
class F(FilterSet):
status = ChoiceFilter(widget=forms.RadioSelect,
choices=STATUS_CHOICES)
class Meta:
model = User
fields = ['status', 'username']
f = F().form
self.assertEqual(len(f.fields), 2)
self.assertIn('status', f.fields)
self.assertIn('username', f.fields)
self.assertEqual(sorted(f.fields['status'].choices),
sorted(STATUS_CHOICES))
self.assertIsInstance(f.fields['status'].widget, forms.RadioSelect)
def test_form_field_with_custom_label(self):
class F(FilterSet):
title = CharFilter(label="Book title")
class Meta:
model = Book
fields = ('title',)
f = F().form
self.assertEqual(f.fields['title'].label, "Book title")
self.assertEqual(f['title'].label, 'Book title')
def test_form_field_with_manual_name(self):
class F(FilterSet):
book_title = CharFilter(name='title')
class Meta:
model = Book
fields = ('book_title',)
f = F().form
self.assertEqual(f.fields['book_title'].label, None)
self.assertEqual(f['book_title'].label, 'Book title')
def test_form_field_with_manual_name_and_label(self):
class F(FilterSet):
f1 = CharFilter(name='title', label="Book title")
class Meta:
model = Book
fields = ('f1',)
f = F().form
self.assertEqual(f.fields['f1'].label, "Book title")
self.assertEqual(f['f1'].label, 'Book title')
def test_filter_with_initial(self):
class F(FilterSet):
status = ChoiceFilter(choices=STATUS_CHOICES, initial=1)
class Meta:
model = User
fields = ['status']
f = F().form
self.assertEqual(f.fields['status'].initial, 1)
def test_form_is_not_bound(self):
class F(FilterSet):
class Meta:
model = Book
fields = ('title',)
f = F().form
self.assertFalse(f.is_bound)
self.assertEqual(f.data, {})
def test_form_is_bound(self):
class F(FilterSet):
class Meta:
model = Book
fields = ('title',)
f = F({'title': 'Some book'}).form
self.assertTrue(f.is_bound)
self.assertEqual(f.data, {'title': 'Some book'})
def test_ordering(self):
class F(FilterSet):
class Meta:
model = User
fields = ['username', 'status']
order_by = ['status']
f = F().form
self.assertEqual(len(f.fields), 3)
self.assertIn('o', f.fields)
self.assertEqual(f.fields['o'].choices, [('status', 'Status')])
def test_ordering_uses_all_fields(self):
class F(FilterSet):
class Meta:
model = User
fields = ['username', 'status']
order_by = True
f = F().form
self.assertEqual(f.fields['o'].choices,
[('username', 'Username'), ('-username', 'Username (descending)'), ('status', 'Status'), ('-status', 'Status (descending)')])
def test_ordering_uses_filter_label(self):
class F(FilterSet):
username = CharFilter(label='Account')
class Meta:
model = User
fields = ['username', 'status']
order_by = True
f = F().form
self.assertEqual(f.fields['o'].choices,
[('username', 'Account'), ('-username', 'Account (descending)'), ('status', 'Status'), ('-status', 'Status (descending)')])
def test_ordering_uses_implicit_filter_name(self):
class F(FilterSet):
account = CharFilter(name='username')
class Meta:
model = User
fields = ['account', 'status']
order_by = True
f = F().form
self.assertEqual(f.fields['o'].choices,
[('username', 'Account'), ('-username', 'Account (descending)'), ('status', 'Status'), ('-status', 'Status (descending)')])
def test_ordering_with_overridden_field_name(self):
"""
Set the `order_by_field` on the queryset and ensure that the
field name is respected.
"""
class F(FilterSet):
order_by_field = 'order'
class Meta:
model = User
fields = ['username', 'status']
order_by = ['status']
f = F().form
self.assertNotIn('o', f.fields)
self.assertIn('order', f.fields)
self.assertEqual(f.fields['order'].choices, [('status', 'Status')])
def test_ordering_with_overridden_field_name_and_descending(self):
"""
Set the `order_by_field` on the queryset and ensure that the
field name is respected.
"""
class F(FilterSet):
order_by_field = 'order'
class Meta:
model = User
fields = ['username', 'status']
order_by = ['status', '-status']
f = F().form
self.assertNotIn('o', f.fields)
self.assertIn('order', f.fields)
self.assertEqual(f.fields['order'].choices, [('status', 'Status'), ('-status', 'Status (descending)')])
def test_ordering_with_overridden_field_name_and_using_all_fields(self):
class F(FilterSet):
order_by_field = 'order'
class Meta:
model = User
fields = ['username', 'status']
order_by = True
f = F().form
self.assertIn('order', f.fields)
self.assertEqual(f.fields['order'].choices,
[('username', 'Username'), ('-username', 'Username (descending)'), ('status', 'Status'), ('-status', 'Status (descending)')])
def test_ordering_with_custom_display_names(self):
class F(FilterSet):
class Meta:
model = User
fields = ['username', 'status']
order_by = [('status', 'Current status')]
f = F().form
self.assertEqual(
f.fields['o'].choices, [('status', 'Current status')])
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