/usr/share/pyshared/zope/formlib/tests/test_functional_filewidget.py is in python-zope.formlib 4.0.5-0ubuntu5.
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#
# Copyright (c) 2001, 2002 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.
#
##############################################################################
"""File Widget Tests
"""
import unittest
from StringIO import StringIO
from zope.interface import Interface, implements
from zope.schema import Field
from zope.schema.interfaces import IField
from zope.formlib import form
from zope.publisher.browser import TestRequest
from zope.formlib.tests.support import patternExists
from zope.formlib.widgets import FileWidget
from zope.formlib.tests.functionalsupport import FunctionalWidgetTestCase
class IFileField(IField):
"""Field for representing a file that can be edited by FileWidget."""
class FileField(Field):
implements(IFileField)
class IFileTest(Interface):
f1 = FileField(required=True)
f2 = FileField(required=False)
class FileTest(object):
implements(IFileTest)
def __init__(self):
self.f1 = None
self.f2 = 'foo'
class Form(form.EditForm):
form_fields = form.fields(IFileTest)
form_fields['f1'].custom_widget = FileWidget
form_fields['f2'].custom_widget = FileWidget
class SampleTextFile(StringIO):
def __init__(self, buf, filename=''):
StringIO.__init__(self, buf)
self.filename = filename
class Test(FunctionalWidgetTestCase):
sampleText = "The quick brown fox\njumped over the lazy dog."
sampleTextFile = SampleTextFile(sampleText)
emptyFileName = 'empty.txt'
emptyFile = SampleTextFile('', emptyFileName)
def test_display_editform(self):
foo = FileTest()
request = TestRequest()
# display edit view
html = Form(foo, request)()
# field should be displayed in a file input element
self.assert_(patternExists(
'<input .* name="form.f1".* type="file".*>', html))
self.assert_(patternExists(
'<input .* name="form.f2".* type="file".*>', html))
def test_submit_text(self):
foo = FileTest()
request = TestRequest()
self.assert_(foo.f1 is None)
self.assertEqual(foo.f2, 'foo')
# submit a sample text file
request.form['form.f1'] = self.sampleTextFile
request.form['form.f2'] = self.sampleTextFile
request.form['form.f1.used'] = ''
request.form['form.f2.used'] = ''
request.form['form.actions.apply'] = u''
Form(foo, request)()
# check new values in object
self.assertEqual(foo.f1, self.sampleText)
self.assertEqual(foo.f2, self.sampleText)
def test_invalid_value(self):
foo = FileTest()
request = TestRequest()
# submit an invalid file value
request.form['form.f1'] = 'not a file - same as missing input'
request.form['form.f1.used'] = ''
request.form['form.f2.used'] = ''
request.form['form.actions.apply'] = u''
html = Form(foo, request)()
self.assert_('Form input is not a file object', html)
def test_required_validation(self):
foo = FileTest()
request = TestRequest()
# submit missing value for required field f1
request.form['form.f1.used'] = ''
request.form['form.f2.used'] = ''
request.form['form.actions.apply'] = u''
html = Form(foo, request)()
# confirm error msgs
f1_index = html.find('form.f1')
f2_index = html.find('form.f2')
missing_index = html.find('Required input is missing')
self.assert_(missing_index > f1_index)
self.assert_(html.find('Required input is missing', f2_index) == -1)
def test_empty_file(self):
foo = FileTest()
request = TestRequest()
# submit missing value for required field f1
request.form['form.f2'] = self.emptyFile
request.form['form.f2.used'] = ''
request.form['form.actions.apply'] = u''
# we don't let f1 know that it was rendered
# or else it will complain (see test_required_validation) and the
# change will not succeed.
Form(foo, request)()
# new value for f1 should be field.missing_value (i.e, None)
self.assert_(foo.f1 is None)
def test_suite():
suite = unittest.TestSuite()
suite.addTest(unittest.makeSuite(Test))
return suite
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