source: main/waeup.sirp/branches/ulif-images/src/waeup/sirp/widgets/tests/test_objectwidget.py @ 10009

"""Tests for objectwidget.
"""
import doctest
import unittest
import sys
from zope.component import testing
from zope.interface import Interface, implements
from zope.interface.verify import verifyClass
from zope.publisher.browser import TestRequest
from zope.schema import Object, TextLine
from zope.schema.interfaces import ITextLine
from zope.traversing.adapters import DefaultTraversable
from zope.traversing.interfaces import ITraversable
from zope.publisher.interfaces.browser import IDefaultBrowserLayer
from zope.component import provideAdapter

from zope.formlib.interfaces import (
    IInputWidget, IDisplayWidget,MissingInputError)
from zope.formlib.widgets import TextWidget, DisplayWidget
from zope.formlib.tests.test_browserwidget import BrowserWidgetTest
from zope.formlib.interfaces import IWidgetInputErrorView

from waeup.sirp.widgets.objectwidget import WAeUPObjectWidget as ObjectWidget
from waeup.sirp.widgets.objectwidget import (
    WAeUPObjectDisplayWidget as ObjectDisplayWidget)

class ITestContact(Interface):
    name = TextLine()
    email = TextLine()
    
class TestContact(object):
    implements(ITestContact)

class ITestContent(Interface):
    foo = Object(
        ITestContact, 
        title = u'Foo Title',
        description = u'',
        )
    
class ObjectWidgetInputErrorView(object):
    implements(IWidgetInputErrorView)

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

    def snippet(self):
        return repr(self.error)

class ObjectWidgetTest(BrowserWidgetTest):
    """Documents and tests the object widget.

        >>> from zope.interface.verify import verifyClass
        >>> verifyClass(IInputWidget, ObjectWidget)
        True
    """

    _FieldFactory = Object
    def _WidgetFactory(self, context, request, **kw):
        kw.update({'factory': TestContact})
        return ObjectWidget(context, request, **kw)

    def setUpContent(self, desc=u'', title=u'Foo Title'):
        provideAdapter(TextWidget, (ITextLine, IDefaultBrowserLayer),
                       IInputWidget)
        
        class TestObject(object):
            implements(ITestContent)

        self.content = TestObject()
        self.field = ITestContent['foo']
        self.request = TestRequest(HTTP_ACCEPT_LANGUAGE='pl')
        self.request.form['field.foo'] = u'Foo Value'
        self._widget = self._WidgetFactory(self.field, self.request)

    def setUp(self):
        super(ObjectWidgetTest, self).setUp()
        self.field = Object(ITestContact, __name__=u'foo')
        provideAdapter(TextWidget,
                       (ITextLine, IDefaultBrowserLayer),
                       IInputWidget)

    def test_applyChanges(self):
        self.request.form['field.foo.name'] = u'Foo Name'
        self.request.form['field.foo.email'] = u'foo@foo.test'
        widget = self._WidgetFactory(self.field, self.request)

        self.assertEqual(widget.applyChanges(self.content), True)
        self.assertEqual(hasattr(self.content, 'foo'), True)
        self.assertEqual(isinstance(self.content.foo, TestContact), True)
        self.assertEqual(self.content.foo.name, u'Foo Name')
        self.assertEqual(self.content.foo.email, u'foo@foo.test')

    def test_error(self):
        provideAdapter(
            ObjectWidgetInputErrorView,
            (MissingInputError, TestRequest),
            IWidgetInputErrorView)

        widget = self._WidgetFactory(self.field, self.request)
        self.assertRaises(MissingInputError, widget.getInputValue)
        error_html = widget.error()
        if sys.version_info < (2, 5):
            self.failUnless("email: <zope.formlib.interfaces.Mis" 
                             in error_html)
            self.failUnless("name: <zope.formlib.interfaces.Miss"
                             in error_html)
        else:
            self.failUnless(
                "email: MissingInputError(u'field.foo.email', u'', None)"
                in error_html)
            self.failUnless(
                "name: MissingInputError(u'field.foo.name', u'', None)"
                in error_html)

    def test_applyChangesNoChange(self):
        self.content.foo = TestContact()
        self.content.foo.name = u'Foo Name'
        self.content.foo.email = u'foo@foo.test'

        self.request.form['field.foo.name'] = u'Foo Name'
        self.request.form['field.foo.email'] = u'foo@foo.test'
        widget = self._WidgetFactory(self.field, self.request)
        widget.setRenderedValue(self.content.foo)

        self.assertEqual(widget.applyChanges(self.content), False)
        self.assertEqual(hasattr(self.content, 'foo'), True)
        self.assertEqual(isinstance(self.content.foo, TestContact), True)
        self.assertEqual(self.content.foo.name, u'Foo Name')
        self.assertEqual(self.content.foo.email, u'foo@foo.test')

    def test_respect_custom_widgets(self):
        # We can use our own subwidgets when creating ObjectWidgets
        class CustomTextWidget(TextWidget):
            pass

        # We create a custom widget for the `name` field of ITestContact
        name_widget = CustomTextWidget(ITestContact['name'], self.request)

        # Custom widgets are passed by <fieldname>_widget keyword:
        widget = self._WidgetFactory(self.field, self.request,
                                     name_widget=name_widget)
        widget1, widget2 = widget.subwidgets()
        self.assertTrue(widget1 is name_widget)
        
        
class ObjectDisplayWidgetTest(BrowserWidgetTest):
    """Documents and tests the display variant of object widget.

        >>> from zope.interface.verify import verifyClass
        >>> verifyClass(IDisplayWidget, ObjectDisplayWidget)
        True

   """
    _FieldFactory = Object
    def _WidgetFactory(self, context, request, **kw):
        kw.update({'factory': TestContact})
        return ObjectDisplayWidget(context, request, **kw)

    def setUpContent(self, desc=u'', title=u'Foo Title'):
        provideAdapter(TextWidget, (ITextLine, IDefaultBrowserLayer),
                       IInputWidget)
        provideAdapter(DisplayWidget, (ITextLine, IDefaultBrowserLayer),
                       IDisplayWidget)
        # The widget must be traversable. We register the default
        # adapter that can turn nearly any object into an ITraversable.
        provideAdapter(DefaultTraversable, (None,), ITraversable)
        
        class TestObject(object):
            implements(ITestContent)

        self.content = TestObject()
        self.content.name = u'Foo Name'
        self.content.email = u'foo@foo.test'
        self.field = ITestContent['foo']
        self.request = TestRequest(HTTP_ACCEPT_LANGUAGE='pl')
        self.request.form['field.foo'] = u'Foo Value'
        self._widget = self._WidgetFactory(self.field, self.request)

    def setUp(self):
        super(ObjectDisplayWidgetTest, self).setUp()
        self.field = Object(ITestContact, __name__=u'foo')
        provideAdapter(TextWidget,
                       (ITextLine, IDefaultBrowserLayer),
                       IInputWidget)
        provideAdapter(DisplayWidget,
                       (ITextLine, IDefaultBrowserLayer),
                       IDisplayWidget)

        
    def test_interfaces(self):
        from zope.interface.verify import DoesNotImplement
        self.assertTrue(IDisplayWidget.providedBy(self._widget))
        self.assertFalse(IInputWidget.providedBy(self._widget))
        self.assertTrue(verifyClass(IDisplayWidget, ObjectDisplayWidget))

    def test_render(self):
        widget = ObjectDisplayWidget(
            self.field, self.request, TestContact)
        widget.setRenderedValue(self.content)

        check_list = [
            '<td', 'class=', 'row',
            'Foo Name',
            '</td>', '<td', 'class=', 'row',
            'foo@foo.test',
            '</td>']
        self.verifyResult(widget(), check_list, inorder=True)    

def test_suite():
    return unittest.TestSuite((
        unittest.makeSuite(ObjectWidgetTest),
        unittest.makeSuite(ObjectDisplayWidgetTest),
        doctest.DocTestSuite(),
        ))

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