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4c30fa905d
This is preparation for landing the template-based widget rendering patch and goes a long way to making these tests more useful for future development. The old doctest heritage is strong here.
163 lines
5.5 KiB
Python
163 lines
5.5 KiB
Python
from datetime import datetime
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from django.forms import (
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CharField, Form, MultipleChoiceField, MultiValueField, MultiWidget,
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SelectMultiple, SplitDateTimeField, SplitDateTimeWidget, TextInput,
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ValidationError,
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)
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from django.test import SimpleTestCase
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beatles = (('J', 'John'), ('P', 'Paul'), ('G', 'George'), ('R', 'Ringo'))
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class ComplexMultiWidget(MultiWidget):
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def __init__(self, attrs=None):
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widgets = (
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TextInput(),
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SelectMultiple(choices=beatles),
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SplitDateTimeWidget(),
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)
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super(ComplexMultiWidget, self).__init__(widgets, attrs)
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def decompress(self, value):
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if value:
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data = value.split(',')
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return [
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data[0],
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list(data[1]),
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datetime.strptime(data[2], "%Y-%m-%d %H:%M:%S"),
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]
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return [None, None, None]
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def format_output(self, rendered_widgets):
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return '\n'.join(rendered_widgets)
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class ComplexField(MultiValueField):
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def __init__(self, required=True, widget=None, label=None, initial=None):
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fields = (
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CharField(),
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MultipleChoiceField(choices=beatles),
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SplitDateTimeField(),
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)
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super(ComplexField, self).__init__(fields, required, widget, label, initial)
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def compress(self, data_list):
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if data_list:
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return '%s,%s,%s' % (data_list[0], ''.join(data_list[1]), data_list[2])
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return None
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class ComplexFieldForm(Form):
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field1 = ComplexField(widget=ComplexMultiWidget())
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class MultiValueFieldTest(SimpleTestCase):
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@classmethod
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def setUpClass(cls):
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cls.field = ComplexField(widget=ComplexMultiWidget())
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super(MultiValueFieldTest, cls).setUpClass()
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def test_clean(self):
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self.assertEqual(
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self.field.clean(['some text', ['J', 'P'], ['2007-04-25', '6:24:00']]),
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'some text,JP,2007-04-25 06:24:00',
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)
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def test_bad_choice(self):
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msg = "'Select a valid choice. X is not one of the available choices.'"
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with self.assertRaisesMessage(ValidationError, msg):
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self.field.clean(['some text', ['X'], ['2007-04-25', '6:24:00']])
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def test_no_value(self):
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"""
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If insufficient data is provided, None is substituted.
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"""
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msg = "'This field is required.'"
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with self.assertRaisesMessage(ValidationError, msg):
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self.field.clean(['some text', ['JP']])
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def test_has_changed_no_initial(self):
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self.assertTrue(self.field.has_changed(
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None, ['some text', ['J', 'P'], ['2007-04-25', '6:24:00']],
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))
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def test_has_changed_same(self):
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self.assertFalse(self.field.has_changed(
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'some text,JP,2007-04-25 06:24:00',
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['some text', ['J', 'P'], ['2007-04-25', '6:24:00']],
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))
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def test_has_changed_first_widget(self):
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"""
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Test when the first widget's data has changed.
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"""
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self.assertTrue(self.field.has_changed(
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'some text,JP,2007-04-25 06:24:00',
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['other text', ['J', 'P'], ['2007-04-25', '6:24:00']],
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))
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def test_has_changed_last_widget(self):
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"""
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Test when the last widget's data has changed. This ensures that it is
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not short circuiting while testing the widgets.
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"""
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self.assertTrue(self.field.has_changed(
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'some text,JP,2007-04-25 06:24:00',
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['some text', ['J', 'P'], ['2009-04-25', '11:44:00']],
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))
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def test_form_as_table(self):
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form = ComplexFieldForm()
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self.assertHTMLEqual(
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form.as_table(),
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"""
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<tr><th><label for="id_field1_0">Field1:</label></th>
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<td><input type="text" name="field1_0" id="id_field1_0" />
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<select multiple="multiple" name="field1_1" id="id_field1_1">
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<option value="J">John</option>
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<option value="P">Paul</option>
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<option value="G">George</option>
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<option value="R">Ringo</option>
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</select>
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<input type="text" name="field1_2_0" id="id_field1_2_0" />
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<input type="text" name="field1_2_1" id="id_field1_2_1" /></td></tr>
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""",
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)
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def test_form_as_table_data(self):
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form = ComplexFieldForm({
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'field1_0': 'some text',
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'field1_1': ['J', 'P'],
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'field1_2_0': '2007-04-25',
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'field1_2_1': '06:24:00',
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})
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self.assertHTMLEqual(
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form.as_table(),
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"""
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<tr><th><label for="id_field1_0">Field1:</label></th>
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<td><input type="text" name="field1_0" value="some text" id="id_field1_0" />
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<select multiple="multiple" name="field1_1" id="id_field1_1">
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<option value="J" selected="selected">John</option>
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<option value="P" selected="selected">Paul</option>
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<option value="G">George</option>
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<option value="R">Ringo</option>
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</select>
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<input type="text" name="field1_2_0" value="2007-04-25" id="id_field1_2_0" />
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<input type="text" name="field1_2_1" value="06:24:00" id="id_field1_2_1" /></td></tr>
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""",
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)
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def test_form_cleaned_data(self):
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form = ComplexFieldForm({
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'field1_0': 'some text',
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'field1_1': ['J', 'P'],
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'field1_2_0': '2007-04-25',
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'field1_2_1': '06:24:00',
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})
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form.is_valid()
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self.assertEqual(
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form.cleaned_data['field1'], 'some text,JP,2007-04-25 06:24:00',
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)
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