Adding test case for deform #103 issue

deformdemo/__init__.py

@@ -291,8 +291,7 @@ class Schema(colander.Schema):
     @view_config(renderer="templates/form.pt", name="autocomplete_input")
     @demonstrate("Autocomplete Input Widget")
     def autocomplete_input(self):
-
-        choices = ["bar", "baz", "two", "three"]
+        choices = ['bar', 'baz', 'two', 'three', 'foo & bar']
         widget = deform.widget.AutocompleteInputWidget(
             values=choices, min_length=1
         )
@@ -2387,7 +2386,6 @@ def multiple_forms(self):
         # forms do not overlap so accessibility features continue to work,
         # such as focusing the field related to a legend when the
         # legend is clicked on.
-
         # We do so by creating an ``itertools.count`` object and
         # passing that object as the ``counter`` keyword argument to
         # the constructor of both forms.  As a result, the second

deformdemo/test.py

@@ -2736,6 +2736,16 @@ def test_submit_filled(self):
         # py2/py3 compat, py2 adds extra u prefix
         self.assertTrue("bar" in text)
 
+    def test_special_chars(self):
+        findid('deformField1').send_keys('foo')
+        self.assertTrue(findxpath('//p[text()="foo & bar"]').is_displayed())
+        findcss(".tt-suggestion").click()
+        findid("deformsubmit").click()
+        self.assertRaises(NoSuchElementException, findcss, ".has-error")
+        text = findid("captured").text
+        # py2/py3 compat, py2 adds extra u prefix
+        self.assertTrue("foo & bar" in text)
+
 
 class AutocompleteRemoteInputWidgetTests(Base, unittest.TestCase):
     url = test_url("/autocomplete_remote_input/")