import os
import unittest
import doctest

from Testing import ZopeTestCase as ztc
from ZPublisher.BaseRequest import BaseRequest
from zope.interface import Interface, classImplements, implementedBy

from Zope2.App import zcml
from plone.z3cform.templates import ZopeTwoFormTemplateFactory
from plone.z3cform.interfaces import IFormWrapper

import plone.schemaeditor


optionflags = (doctest.ELLIPSIS |
               doctest.NORMALIZE_WHITESPACE |
               doctest.REPORT_ONLY_FIRST_FAILURE)


def setUp(self):
    try:
        from Zope2.App.schema import configure_vocabulary_registry
    except ImportError:
        try:
            from zope.schema.vocabulary import setVocabularyRegistry
            from Products.Five.schema import Zope2VocabularyRegistry
        except ImportError:
            pass
        else:
            setVocabularyRegistry(Zope2VocabularyRegistry())
    else:
        configure_vocabulary_registry()

    zcml.load_config('browser_testing.zcml', plone.schemaeditor.tests)

    # add a test layer to the request so we can use special form templates that don't
    # pull in main_template
    classImplements(BaseRequest, ITestLayer)


def tearDown(self):
    classImplements(implementedBy(BaseRequest) - ITestLayer)


def test_suite():
    return unittest.TestSuite([

        ztc.FunctionalDocFileSuite(
            'field_schemata.txt',
            'editing.txt',
            'extending.txt',
            'choice.txt',
            'minmax.txt',
            setUp=setUp,
            tearDown=tearDown,
            optionflags=optionflags
        ),

    ])


class ITestLayer(Interface):
    pass


class RenderWidget(object):

    def __init__(self, widget, request):
        self.widget = widget

    def __call__(self):
        return self.widget.render()


path = lambda p: os.path.join(os.path.dirname(__file__), p)
layout_factory = ZopeTwoFormTemplateFactory(path('layout.pt'),
                                            form=IFormWrapper, request=ITestLayer)