/usr/lib/python2.7/dist-packages/zope/formlib/tests/test_textwidget.py is in python-zope.formlib 4.3.0a2-0ubuntu1.
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#
# Copyright (c) 2001, 2002, 2004, 2005 Zope Foundation and Contributors.
# All Rights Reserved.
#
# This software is subject to the provisions of the Zope Public License,
# Version 2.1 (ZPL). A copy of the ZPL should accompany this distribution.
# THIS SOFTWARE IS PROVIDED "AS IS" AND ANY AND ALL EXPRESS OR IMPLIED
# WARRANTIES ARE DISCLAIMED, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
# WARRANTIES OF TITLE, MERCHANTABILITY, AGAINST INFRINGEMENT, AND FITNESS
# FOR A PARTICULAR PURPOSE.
#
##############################################################################
"""Text Widget tests
"""
import datetime
import unittest
import doctest
from zope.component.testing import setUp, tearDown
from zope.interface.verify import verifyClass
from zope.schema import TextLine
from zope.publisher.browser import TestRequest
from zope.schema import Password
from zope.formlib.interfaces import IInputWidget
from zope.formlib.widgets import TextWidget
from zope.formlib.widgets import TextAreaWidget
from zope.formlib.widgets import BytesAreaWidget
from zope.formlib.widgets import PasswordWidget
from zope.formlib.widgets import FileWidget
from zope.formlib.widgets import IntWidget
from zope.formlib.widgets import FloatWidget
from zope.formlib.widgets import BytesWidget
from zope.formlib.widgets import ASCIIWidget
from zope.formlib.widgets import DateDisplayWidget
from zope.formlib.widgets import DatetimeDisplayWidget
from zope.formlib.widgets import URIDisplayWidget
from zope.formlib.tests.test_browserwidget import BrowserWidgetTest
from zope.formlib.tests.test_browserwidget import SimpleInputWidgetTest
from zope.formlib.tests.support import checker
class TextWidgetTest(SimpleInputWidgetTest):
"""Documents and tests the text widget.
>>> setUp()
>>> verifyClass(IInputWidget, TextWidget)
True
Converting Missing Values
-------------------------
String fields (TextLine, Text, etc.) values can be classified as one of the
following:
- Non-empty string
- Empty string
- None
Text browser widgets only support the first two types: non-empty strings
and empty strings. There's no facility to explicitly set a None value in a
text browser widget.
However, it is possible to interpret an empty string as None for some
applications. For example, when inputing a User Name, an empty string means
'the user hasn't provided a value'. In another application, an empty string
may mean 'the user has provided a value, specifically <empty string>'.
To support both modes, the text widget provides a 'convert_missing_value'
flag. When True, empty strings will be converted by the widget to the
field's 'missing_value' (None by default). This mode accommodates the
'user hasn't provided a value' scenario.
To illustrate this mode, we'll use an optional field, where missing_value
is None:
>>> field = TextLine(
... __name__='foo',
... missing_value=None,
... required=False)
The HTTP form submission contains an empty string for the field value:
>>> request = TestRequest(form={'field.foo':u''})
A text widget configured for the field, where convert_missing_value is True
(the default value)...
>>> widget = TextWidget(field, request)
>>> widget.convert_missing_value
True
will convert the form's empty string into the field's missing_value, which
is None:
>>> widget.getInputValue() is None
True
When 'convert_missing_value' is False, the text widget will not convert
an empty string to the field's missing_value. This supports the 'user has
provided a value, specifically <empty string>' mode:
>>> widget.convert_missing_value = False
>>> widget.getInputValue()
u''
>>> tearDown()
"""
_WidgetFactory = TextWidget
def testProperties(self):
self.assertEqual(self._widget.tag, 'input')
self.assertEqual(self._widget.type, 'text')
self.assertEqual(self._widget.cssClass, '')
self.assertEqual(self._widget.extra, '')
self.assertEqual(self._widget.default, '')
self.assertEqual(self._widget.displayWidth, 20)
self.assertEqual(self._widget.displayMaxWidth, '')
def testRender(self):
value = 'Foo Value'
self._widget.setRenderedValue(value)
check_list = ('type="text"', 'id="field.foo"', 'name="field.foo"',
'value="Foo Value"', 'size="20"')
self.verifyResult(self._widget(), check_list)
check_list = ('type="hidden"',) + check_list[1:-1]
self.verifyResult(self._widget.hidden(), check_list)
check_list = ('style="color: red"',) + check_list
self._widget.extra = 'style="color: red"'
self.verifyResult(self._widget.hidden(), check_list)
class URIDisplayWidgetTest(BrowserWidgetTest):
_WidgetFactory = URIDisplayWidget
def testProperties(self):
# check the default linkTarget
self.failIf(self._widget.linkTarget)
def testRender(self):
value = "uri:fake"
self._widget.setRenderedValue(value)
self.verifyResult(self._widget(), ["<a", 'href="uri:fake"'])
self._widget.linkTarget = "there"
self.verifyResult(self._widget(), ["<a", 'href="uri:fake"',
'target="there"'])
def testEmptyRenderReturnsEmptyString(self):
self._widget.setRenderedValue(None)
self.assertEquals(self._widget(), "")
self._widget.setRenderedValue('')
self.assertEquals(self._widget(), "")
class DateDisplayWidgetTest(BrowserWidgetTest):
_WidgetFactory = DateDisplayWidget
expected_class = "date"
def setUp(self):
super(DateDisplayWidgetTest, self).setUp()
self._value = datetime.date(2004, 12, 0o1)
def testDefaultDisplayStyle(self):
self.failIf(self._widget.displayStyle)
def testRenderDefault(self):
self._widget.setRenderedValue(self._value)
self.verifyResult(self._widget(),
["<span",
'class="%s"' % self.expected_class,
"01.12.2004",
"</span"])
def testRenderShort(self):
self._widget.setRenderedValue(self._value)
self._widget.displayStyle = "short"
self.verifyResult(self._widget(),
["<span",
'class="%s"' % self.expected_class,
u"01.12.04",
"</span"])
def testRenderMedium(self):
self._widget.setRenderedValue(self._value)
self._widget.displayStyle = "medium"
self.verifyResult(self._widget(),
["<span",
'class="%s"' % self.expected_class,
u"01.12.2004",
"</span"])
def testRenderLong(self):
self._widget.setRenderedValue(self._value)
self._widget.displayStyle = "long"
self.verifyResult(self._widget(),
["<span",
'class="%s"' % self.expected_class,
u"1 \u0434\u0435\u043a\u0430\u0431\u0440\u044f"
u" 2004 \u0433.",
"</span"])
def testRenderFull(self):
self._widget.setRenderedValue(self._value)
self._widget.displayStyle = "full"
self.verifyResult(self._widget(),
["<span",
'class="%s"' % self.expected_class,
u"1 \u0434\u0435\u043a\u0430\u0431\u0440\u044f"
u" 2004 \u0433.",
"</span"])
class DatetimeDisplayWidgetTest(DateDisplayWidgetTest):
_WidgetFactory = DatetimeDisplayWidget
expected_class = "dateTime"
def setUp(self):
super(DatetimeDisplayWidgetTest, self).setUp()
self._value = datetime.datetime(2004, 12, 0o1, 14, 39, 0o1)
def testRenderDefault(self):
super(DatetimeDisplayWidgetTest, self).testRenderDefault()
self.verifyResult(self._widget(), ["14:39:01"])
def testRenderShort(self):
super(DatetimeDisplayWidgetTest, self).testRenderShort()
self.verifyResult(self._widget(), ["14:39"])
def testRenderMedium(self):
super(DatetimeDisplayWidgetTest, self).testRenderMedium()
self.verifyResult(self._widget(), ["14:39:01"])
def testRenderLong(self):
super(DatetimeDisplayWidgetTest, self).testRenderLong()
self.verifyResult(self._widget(), ["14:39:01 +000"])
def testRenderFull(self):
super(DatetimeDisplayWidgetTest, self).testRenderFull()
self.verifyResult(self._widget(), ["14:39:01 +000"])
class TextAreaDisplayWidgetTest(BrowserWidgetTest):
_WidgetFactory = TextAreaWidget
# It uses the default DisplayWidget
def testRender(self):
value = u"""
texttexttexttexttexttextexttexttext\xE9\xE9\xE9\xE9\xE9\xE9\xE9\xE9\xE9
texttexttexttexttextte\xE9\xE9\xE9\xE9\xE9xttexttexttexttexttexttexttex
texttexttexttexttexttexttexttexttexttexttexttexttexttexttext
"""
self._widget.setRenderedValue(value)
self.assert_(value, self._widget._toFieldValue(value))
self.verifyResult(self._widget(), ["<textarea",
self._widget._toFormValue(value)])
check_list = (
('id', 'field.foo'),
('name', 'field.foo'),
#('value', ), tested above
('cols', '60'),
('rows', '15'),
)
for a, v in check_list:
self.verifyResult(self._widget(), [a, v])
class BytesAreaDisplayWidgetTest(BrowserWidgetTest):
_WidgetFactory = BytesAreaWidget
# It uses the default DisplayWidget
def testRender(self):
value = """
texttexttexttexttexttexttexttexttexttexttexttexttexttexttext
texttexttexttexttexttexttexttexttexttexttexttexttexttexttext
texttexttexttexttexttexttexttexttexttexttexttexttexttexttext
"""
self._widget.setRenderedValue(value)
self.assert_(value, self._widget._toFieldValue(value))
self.verifyResult(self._widget(), ["<textarea",
self._widget._toFormValue(value)])
check_list = (
('id', 'field.foo'),
('name', 'field.foo'),
#('value', ), tested above
('cols', '60'),
('rows', '15'),
)
for a, v in check_list:
self.verifyResult(self._widget(), [a, v])
class BytesDisplayWidgetTest(BrowserWidgetTest):
_WidgetFactory = BytesWidget
# It uses the BytesDisplayWidget
def testRender(self):
value = "Food Value"
self._widget.setRenderedValue(value)
check_list = ('type="text"', 'id="field.foo"', 'name="field.foo"',
'value="%s"'%value, 'size="20"')
self.verifyResult(self._widget(), check_list)
class ASCIIDisplayWidgetTest(BrowserWidgetTest):
_WidgetFactory = ASCIIWidget
# It uses the default BytesDisplayWidget
def testRender(self):
value = "Food Value"
self._widget.setRenderedValue(value)
check_list = ('type="text"', 'id="field.foo"', 'name="field.foo"',
'value="%s"'%value, 'size="20"')
self.verifyResult(self._widget(), check_list)
class PasswordDisplayWidgetTest(BrowserWidgetTest):
_WidgetFactory = PasswordWidget
_FieldFactory = Password
# It uses the default DisplayWidget
def testRender(self):
value = 'Foo Value'
self._widget.setRenderedValue(value)
check_list = ('type="password"', 'id="field.foo"', 'name="field.foo"',
'value=""', 'size="20"')
self.verifyResult(self._widget(), check_list)
def testUnchangedPassword(self):
# The password hasn't been set yet, so an empty string
# is regarded as an empty field.
self.assertEquals(None, self._widget._toFieldValue(''))
# Now the password has been filled in, so the empty string
# is regarded as the special value for UNCHANGED_PASSWORD.
self._widget.context.context.foo = u'existing password'
self.assertEquals(self._widget.context.UNCHANGED_PASSWORD,
self._widget._toFieldValue(''))
class FileDisplayWidgetTest(BrowserWidgetTest):
_WidgetFactory = FileWidget
# It uses the default DisplayWidget
def testRender(self):
value = 'Foo Value'
self._widget.setRenderedValue(value)
check_list = ('type="file"', 'id="field.foo"', 'name="field.foo"',
'size="20"')
self.verifyResult(self._widget(), check_list)
check_list = ('type="hidden"',) + check_list[1:-1]
self.verifyResult(self._widget.hidden(), check_list)
check_list = ('style="color: red"',) + check_list
self._widget.extra = 'style="color: red"'
self.verifyResult(self._widget.hidden(), check_list)
class IntDisplayWidgetTest(BrowserWidgetTest):
_WidgetFactory = IntWidget
# It uses the default DisplayWidget
def testRender(self):
value = 1
self._widget.setRenderedValue(value)
check_list = ('type="text"', 'id="field.foo"', 'name="field.foo"',
'size="10"', 'value="%s"'%str(value))
self.verifyResult(self._widget(), check_list)
class FloatDisplayWidgetTest(BrowserWidgetTest):
_WidgetFactory = FloatWidget
# It uses the default DisplayWidget
def testRender(self):
value = 1.2
self._widget.setRenderedValue(value)
check_list = ('type="text"', 'id="field.foo"', 'name="field.foo"',
'size="10"', 'value="%s"'%str(value))
self.verifyResult(self._widget(), check_list)
def test_w_nonrequired_and_missing_value_and_no_inout():
"""
There was a bug that caused the value attribute to be set to
'value' under these circumstances.
>>> from zope.schema import TextLine
>>> field = TextLine(__name__='foo', title=u'on',
... required=False, missing_value=u'')
>>> request = TestRequest()
>>> widget = TextWidget(field, request)
>>> def normalize(s):
... return '\\n '.join(filter(None, s.split(' ')))
>>> print(normalize( widget() ))
<input
class="textType"
id="field.foo"
name="field.foo"
size="20"
type="text"
value=""
/>
"""
def test_no_error_on_render_only():
"""This is really a test of a bug fix to SimpleInputWidget.
_error shouldn't be set due to an *internal* call to getInputValue
when rendering.
>>> from zope.schema import TextLine
>>> field = TextLine(__name__='foo')
>>> request = TestRequest(form={'field.foo': ''})
>>> widget = TextWidget(field, request)
>>> ignored = widget()
>>> str(widget.error())
u''
"""
def test_text_area_works_with_missing_value():
"""
>>> from zope.schema import Text
>>> field = Text(__name__='foo', title=u'on',
... required=False, missing_value=u'')
>>> request = TestRequest()
>>> widget = TextAreaWidget(field, request)
>>> def normalize(s):
... return '\\n '.join(filter(None, s.split(' ')))
>>> print(normalize( widget() ))
<textarea
cols="60"
id="field.foo"
name="field.foo"
rows="15"
></textarea>
>>> print(normalize( widget.hidden() ))
<input
class="hiddenType"
id="field.foo"
name="field.foo"
type="hidden"
value=""
/>
"""
def test_suite():
return unittest.TestSuite((
unittest.makeSuite(TextWidgetTest),
unittest.makeSuite(URIDisplayWidgetTest),
unittest.makeSuite(DateDisplayWidgetTest),
unittest.makeSuite(DatetimeDisplayWidgetTest),
unittest.makeSuite(TextAreaDisplayWidgetTest),
unittest.makeSuite(BytesAreaDisplayWidgetTest),
unittest.makeSuite(PasswordDisplayWidgetTest),
unittest.makeSuite(FileDisplayWidgetTest),
unittest.makeSuite(IntDisplayWidgetTest),
unittest.makeSuite(FloatDisplayWidgetTest),
unittest.makeSuite(BytesDisplayWidgetTest),
unittest.makeSuite(ASCIIDisplayWidgetTest),
doctest.DocTestSuite(checker=checker),
))
if __name__=='__main__':
unittest.main(defaultTest='test_suite')
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