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
|
from datetime import datetime
from django.core.exceptions import ValidationError
from django.forms import (
CharField, Form, MultipleChoiceField, MultiValueField, MultiWidget,
SelectMultiple, SplitDateTimeField, SplitDateTimeWidget, TextInput,
)
from django.test import SimpleTestCase
beatles = (('J', 'John'), ('P', 'Paul'), ('G', 'George'), ('R', 'Ringo'))
class ComplexMultiWidget(MultiWidget):
def __init__(self, attrs=None):
widgets = (
TextInput(),
SelectMultiple(choices=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, **kwargs):
fields = (
CharField(),
MultipleChoiceField(choices=beatles),
SplitDateTimeField(),
)
super().__init__(fields, **kwargs)
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 ComplexFieldForm(Form):
field1 = ComplexField(widget=ComplexMultiWidget())
class MultiValueFieldTest(SimpleTestCase):
@classmethod
def setUpClass(cls):
cls.field = ComplexField(widget=ComplexMultiWidget())
super().setUpClass()
def test_clean(self):
self.assertEqual(
self.field.clean(['some text', ['J', 'P'], ['2007-04-25', '6:24:00']]),
'some text,JP,2007-04-25 06:24:00',
)
def test_clean_disabled_multivalue(self):
class ComplexFieldForm(Form):
f = ComplexField(disabled=True, widget=ComplexMultiWidget)
inputs = (
'some text,JP,2007-04-25 06:24:00',
['some text', ['J', 'P'], ['2007-04-25', '6:24:00']],
)
for data in inputs:
with self.subTest(data=data):
form = ComplexFieldForm({}, initial={'f': data})
form.full_clean()
self.assertEqual(form.errors, {})
self.assertEqual(form.cleaned_data, {'f': inputs[0]})
def test_bad_choice(self):
msg = "'Select a valid choice. X is not one of the available choices.'"
with self.assertRaisesMessage(ValidationError, msg):
self.field.clean(['some text', ['X'], ['2007-04-25', '6:24:00']])
def test_no_value(self):
"""
If insufficient data is provided, None is substituted.
"""
msg = "'This field is required.'"
with self.assertRaisesMessage(ValidationError, msg):
self.field.clean(['some text', ['JP']])
def test_has_changed_no_initial(self):
self.assertTrue(self.field.has_changed(None, ['some text', ['J', 'P'], ['2007-04-25', '6:24:00']]))
def test_has_changed_same(self):
self.assertFalse(self.field.has_changed(
'some text,JP,2007-04-25 06:24:00',
['some text', ['J', 'P'], ['2007-04-25', '6:24:00']],
))
def test_has_changed_first_widget(self):
"""
Test when the first widget's data has changed.
"""
self.assertTrue(self.field.has_changed(
'some text,JP,2007-04-25 06:24:00',
['other text', ['J', 'P'], ['2007-04-25', '6:24:00']],
))
def test_has_changed_last_widget(self):
"""
Test when the last widget's data has changed. This ensures that it is
not short circuiting while testing the widgets.
"""
self.assertTrue(self.field.has_changed(
'some text,JP,2007-04-25 06:24:00',
['some text', ['J', 'P'], ['2009-04-25', '11:44:00']],
))
def test_disabled_has_changed(self):
f = MultiValueField(fields=(CharField(), CharField()), disabled=True)
self.assertIs(f.has_changed(['x', 'x'], ['y', 'y']), False)
def test_form_as_table(self):
form = ComplexFieldForm()
self.assertHTMLEqual(
form.as_table(),
"""
<tr><th><label for="id_field1_0">Field1:</label></th>
<td><input type="text" name="field1_0" id="id_field1_0" required>
<select multiple name="field1_1" id="id_field1_1" required>
<option value="J">John</option>
<option value="P">Paul</option>
<option value="G">George</option>
<option value="R">Ringo</option>
</select>
<input type="text" name="field1_2_0" id="id_field1_2_0" required>
<input type="text" name="field1_2_1" id="id_field1_2_1" required></td></tr>
""",
)
def test_form_as_table_data(self):
form = ComplexFieldForm({
'field1_0': 'some text',
'field1_1': ['J', 'P'],
'field1_2_0': '2007-04-25',
'field1_2_1': '06:24:00',
})
self.assertHTMLEqual(
form.as_table(),
"""
<tr><th><label for="id_field1_0">Field1:</label></th>
<td><input type="text" name="field1_0" value="some text" id="id_field1_0" required>
<select multiple name="field1_1" id="id_field1_1" required>
<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="field1_2_0" value="2007-04-25" id="id_field1_2_0" required>
<input type="text" name="field1_2_1" value="06:24:00" id="id_field1_2_1" required></td></tr>
""",
)
def test_form_cleaned_data(self):
form = ComplexFieldForm({
'field1_0': 'some text',
'field1_1': ['J', 'P'],
'field1_2_0': '2007-04-25',
'field1_2_1': '06:24:00',
})
form.is_valid()
self.assertEqual(form.cleaned_data['field1'], 'some text,JP,2007-04-25 06:24:00')
|
