##############################################################################
#
# Copyright (c) 2001, 2002 Zope Corporation 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.
#
##############################################################################
"""TextArea Functional Tests

$Id: test_textareawidget.py 67630 2006-04-27 00:54:03Z jim $
"""
import unittest
import transaction
from persistent import Persistent

import zope.security.checker
from zope.interface import Interface, implements
from zope.schema import Text
from zope.traversing.api import traverse

from zope.app.form.browser.ftests.support import *
from zope.app.testing.functional import BrowserTestCase

class ITextTest(Interface):

    s2 = Text(
        required=False,
        missing_value=u'')

    s3 = Text(
        required=False)

    s1 = Text(
        required=True,
        min_length=2,
        max_length=10)


class TextTest(Persistent):

    implements(ITextTest)

    def __init__(self):
        self.s1 = ''
        self.s2 = u'foo'
        self.s3 = None


class Test(BrowserTestCase):

    def setUp(self):
        BrowserTestCase.setUp(self)
        registerEditForm(ITextTest)
        defineSecurity(TextTest, ITextTest)

    def test_display_editform(self):
        self.getRootFolder()['test'] = TextTest()
        transaction.commit()

        # display edit view
        response = self.publish('/test/edit.html')
        self.assertEqual(response.getStatus(), 200)

        # all fields should be displayed in text fields
        self.assert_(patternExists(
            '<textarea .* name="field.s1".*></textarea>',
            response.getBody()))
        self.assert_(patternExists(
            '<textarea .* name="field.s2".*>foo</textarea>',
            response.getBody()))
        self.assert_(patternExists(
            '<textarea .* name="field.s3".*></textarea>',
            response.getBody()))


    def test_submit_editform(self):
        self.getRootFolder()['test'] = TextTest()
        transaction.commit()

        # submit edit view
        response = self.publish('/test/edit.html', form={
            'UPDATE_SUBMIT' : '',
            'field.s1' : u'foo',
            'field.s2' : u'bar',
            'field.s3' : u'baz' })
        self.assertEqual(response.getStatus(), 200)
        self.assert_(updatedMsgExists(response.getBody()))

        # check new values in object
        object = traverse(self.getRootFolder(), 'test')
        self.assertEqual(object.s1, u'foo')
        self.assertEqual(object.s2, u'bar')
        self.assertEqual(object.s3, u'baz')


    def test_invalid_type(self):
        """Tests textarea widget's handling of invalid unicode input.
        
        The text widget will succeed in converting any form input into
        unicode.
        """
        self.getRootFolder()['test'] = TextTest()
        transaction.commit()

        # submit invalid type for text
        response = self.publish('/test/edit.html', form={
            'UPDATE_SUBMIT' : '',
            'field.s1' : 123 }) # not unicode
        self.assertEqual(response.getStatus(), 200)
        # Note: We don't have a invalid field value
        # since we convert the value to unicode
        self.assert_(not validationErrorExists(
            's1', 'Object is of wrong type.', response.getBody()))


    def test_missing_value(self):
        self.getRootFolder()['test'] = TextTest()
        transaction.commit()

        # submit missing values for s2 and s3
        response = self.publish('/test/edit.html', form={
            'UPDATE_SUBMIT' : '',
            'field.s1' : u'foo',
            'field.s2' : '',
            'field.s3' : '' })
        self.assertEqual(response.getStatus(), 200)
        self.assert_(updatedMsgExists(response.getBody()))

        # check new value in object
        object = traverse(self.getRootFolder(), 'test')
        self.assertEqual(object.s1, u'foo')
        self.assertEqual(object.s2, u'')   # default missing_value
        self.assertEqual(object.s3, None)  # None is s3's missing_value


    def test_required_validation(self):
        self.getRootFolder()['test'] = TextTest()
        transaction.commit()

        # submit missing values for required field s1
        response = self.publish('/test/edit.html', form={
            'UPDATE_SUBMIT' : '',
            'field.s1' : '',
            'field.s2' : '',
            'field.s3' : '' })
        self.assertEqual(response.getStatus(), 200)

        # confirm error msgs
        self.assert_(missingInputErrorExists('s1', response.getBody()))
        self.assert_(not missingInputErrorExists('s2', response.getBody()))
        self.assert_(not missingInputErrorExists('s3', response.getBody()))


    def test_length_validation(self):
        self.getRootFolder()['test'] = TextTest()
        transaction.commit()

        # submit value for s1 that is too short
        response = self.publish('/test/edit.html', form={
            'UPDATE_SUBMIT' : '',
            'field.s1' : u'a' })
        self.assertEqual(response.getStatus(), 200)
        self.assert_(validationErrorExists(
            's1', 'Value is too short', response.getBody()))

        # submit value for s1 that is too long
        response = self.publish('/test/edit.html', form={
            'UPDATE_SUBMIT' : '',
            'field.s1' : u'12345678901' })
        self.assertEqual(response.getStatus(), 200)
        self.assert_(validationErrorExists('s1', 'Value is too long',
            response.getBody()))


    def test_omitted_value(self):
        self.getRootFolder()['test'] = TextTest()
        transaction.commit()

        # confirm default values
        object = traverse(self.getRootFolder(), 'test')
        self.assertEqual(object.s1, '')
        self.assertEqual(object.s2, u'foo')
        self.assert_(object.s3 is None)

        # submit change with only s2 present -- note that required
        # field s1 is omitted, which should not cause a validation error
        response = self.publish('/test/edit.html', form={
            'UPDATE_SUBMIT' : '',
            'field.s2' : u'bar' })
        self.assertEqual(response.getStatus(), 200)
        self.assert_(updatedMsgExists(response.getBody()))

        # check new values in object
        object = traverse(self.getRootFolder(), 'test')
        self.assertEqual(object.s1, '')
        self.assertEqual(object.s2, u'bar')
        self.assert_(object.s3 is None)


    def test_conversion(self):
        self.getRootFolder()['test'] = TextTest()
        transaction.commit()

        # confirm that line terminators are converted correctly on post
        response = self.publish('/test/edit.html', form={
            'UPDATE_SUBMIT' : '',
            'field.s2' : u'line1\r\nline2' }) # CRLF per RFC 822
        self.assertEqual(response.getStatus(), 200)
        self.assert_(updatedMsgExists(response.getBody()))
        object = traverse(self.getRootFolder(), 'test')
        self.assertEqual(object.s2, u'line1\nline2')

        # confirm conversion to HTML
        response = self.publish('/test/edit.html')
        self.assertEqual(response.getStatus(), 200)
        self.assert_(patternExists('line1\r\nline2', response.getBody()))



def test_suite():
    suite = unittest.TestSuite()
    suite.addTest(unittest.makeSuite(Test))
    return suite

if __name__=='__main__':
    unittest.main(defaultTest='test_suite')