1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
|
import copy
from datetime import datetime
from django.forms import (
CharField, FileInput, MultipleChoiceField, MultiValueField, MultiWidget,
RadioSelect, SelectMultiple, SplitDateTimeField, SplitDateTimeWidget,
TextInput,
)
from .base import WidgetTest
class MyMultiWidget(MultiWidget):
def decompress(self, value):
if value:
return value.split('__')
return ['', '']
class ComplexMultiWidget(MultiWidget):
def __init__(self, attrs=None):
widgets = (
TextInput(),
SelectMultiple(choices=WidgetTest.beatles),
SplitDateTimeWidget(),
)
super().__init__(widgets, attrs)
def decompress(self, value):
if value:
data = value.split(',')
return [
data[0], list(data[1]), datetime.strptime(data[2], "%Y-%m-%d %H:%M:%S")
]
return [None, None, None]
class ComplexField(MultiValueField):
def __init__(self, required=True, widget=None, label=None, initial=None):
fields = (
CharField(),
MultipleChoiceField(choices=WidgetTest.beatles),
SplitDateTimeField(),
)
super().__init__(fields, required, widget, label, initial)
def compress(self, data_list):
if data_list:
return '%s,%s,%s' % (
data_list[0], ''.join(data_list[1]), data_list[2],
)
return None
class DeepCopyWidget(MultiWidget):
"""
Used to test MultiWidget.__deepcopy__().
"""
def __init__(self, choices=[]):
widgets = [
RadioSelect(choices=choices),
TextInput,
]
super().__init__(widgets)
def _set_choices(self, choices):
"""
When choices are set for this widget, we want to pass those along to
the Select widget.
"""
self.widgets[0].choices = choices
def _get_choices(self):
"""
The choices for this widget are the Select widget's choices.
"""
return self.widgets[0].choices
choices = property(_get_choices, _set_choices)
class MultiWidgetTest(WidgetTest):
def test_subwidgets_name(self):
widget = MultiWidget(
widgets={
'': TextInput(),
'big': TextInput(attrs={'class': 'big'}),
'small': TextInput(attrs={'class': 'small'}),
},
)
self.check_html(widget, 'name', ['John', 'George', 'Paul'], html=(
'<input type="text" name="name" value="John">'
'<input type="text" name="name_big" value="George" class="big">'
'<input type="text" name="name_small" value="Paul" class="small">'
))
def test_text_inputs(self):
widget = MyMultiWidget(
widgets=(
TextInput(attrs={'class': 'big'}),
TextInput(attrs={'class': 'small'}),
)
)
self.check_html(widget, 'name', ['john', 'lennon'], html=(
'<input type="text" class="big" value="john" name="name_0">'
'<input type="text" class="small" value="lennon" name="name_1">'
))
self.check_html(widget, 'name', 'john__lennon', html=(
'<input type="text" class="big" value="john" name="name_0">'
'<input type="text" class="small" value="lennon" name="name_1">'
))
self.check_html(widget, 'name', 'john__lennon', attrs={'id': 'foo'}, html=(
'<input id="foo_0" type="text" class="big" value="john" name="name_0">'
'<input id="foo_1" type="text" class="small" value="lennon" name="name_1">'
))
def test_constructor_attrs(self):
widget = MyMultiWidget(
widgets=(
TextInput(attrs={'class': 'big'}),
TextInput(attrs={'class': 'small'}),
),
attrs={'id': 'bar'},
)
self.check_html(widget, 'name', ['john', 'lennon'], html=(
'<input id="bar_0" type="text" class="big" value="john" name="name_0">'
'<input id="bar_1" type="text" class="small" value="lennon" name="name_1">'
))
def test_constructor_attrs_with_type(self):
attrs = {'type': 'number'}
widget = MyMultiWidget(widgets=(TextInput, TextInput()), attrs=attrs)
self.check_html(widget, 'code', ['1', '2'], html=(
'<input type="number" value="1" name="code_0">'
'<input type="number" value="2" name="code_1">'
))
widget = MyMultiWidget(widgets=(TextInput(attrs), TextInput(attrs)), attrs={'class': 'bar'})
self.check_html(widget, 'code', ['1', '2'], html=(
'<input type="number" value="1" name="code_0" class="bar">'
'<input type="number" value="2" name="code_1" class="bar">'
))
def test_value_omitted_from_data(self):
widget = MyMultiWidget(widgets=(TextInput(), TextInput()))
self.assertIs(widget.value_omitted_from_data({}, {}, 'field'), True)
self.assertIs(widget.value_omitted_from_data({'field_0': 'x'}, {}, 'field'), False)
self.assertIs(widget.value_omitted_from_data({'field_1': 'y'}, {}, 'field'), False)
self.assertIs(widget.value_omitted_from_data({'field_0': 'x', 'field_1': 'y'}, {}, 'field'), False)
def test_value_from_datadict_subwidgets_name(self):
widget = MultiWidget(widgets={'x': TextInput(), '': TextInput()})
tests = [
({}, [None, None]),
({'field': 'x'}, [None, 'x']),
({'field_x': 'y'}, ['y', None]),
({'field': 'x', 'field_x': 'y'}, ['y', 'x']),
]
for data, expected in tests:
with self.subTest(data):
self.assertEqual(
widget.value_from_datadict(data, {}, 'field'),
expected,
)
def test_value_omitted_from_data_subwidgets_name(self):
widget = MultiWidget(widgets={'x': TextInput(), '': TextInput()})
tests = [
({}, True),
({'field': 'x'}, False),
({'field_x': 'y'}, False),
({'field': 'x', 'field_x': 'y'}, False),
]
for data, expected in tests:
with self.subTest(data):
self.assertIs(
widget.value_omitted_from_data(data, {}, 'field'),
expected,
)
def test_needs_multipart_true(self):
"""
needs_multipart_form should be True if any widgets need it.
"""
widget = MyMultiWidget(widgets=(TextInput(), FileInput()))
self.assertTrue(widget.needs_multipart_form)
def test_needs_multipart_false(self):
"""
needs_multipart_form should be False if no widgets need it.
"""
widget = MyMultiWidget(widgets=(TextInput(), TextInput()))
self.assertFalse(widget.needs_multipart_form)
def test_nested_multiwidget(self):
"""
MultiWidgets can be composed of other MultiWidgets.
"""
widget = ComplexMultiWidget()
self.check_html(widget, 'name', 'some text,JP,2007-04-25 06:24:00', html=(
"""
<input type="text" name="name_0" value="some text">
<select multiple name="name_1">
<option value="J" selected>John</option>
<option value="P" selected>Paul</option>
<option value="G">George</option>
<option value="R">Ringo</option>
</select>
<input type="text" name="name_2_0" value="2007-04-25">
<input type="text" name="name_2_1" value="06:24:00">
"""
))
def test_no_whitespace_between_widgets(self):
widget = MyMultiWidget(widgets=(TextInput, TextInput()))
self.check_html(widget, 'code', None, html=(
'<input type="text" name="code_0">'
'<input type="text" name="code_1">'
), strict=True)
def test_deepcopy(self):
"""
MultiWidget should define __deepcopy__() (#12048).
"""
w1 = DeepCopyWidget(choices=[1, 2, 3])
w2 = copy.deepcopy(w1)
w2.choices = [4, 5, 6]
# w2 ought to be independent of w1, since MultiWidget ought
# to make a copy of its sub-widgets when it is copied.
self.assertEqual(w1.choices, [1, 2, 3])
|
