improve test coverage. we're back at 100%

6 files changed, 20 insertions, 5 deletions

diff --git a/tests/test_app.py b/tests/test_app.py
index 8352b93..ce0cfeb 100644
--- a/tests/test_app.py
+++ b/tests/test_app.py
@@ -74,6 +74,9 @@ class TestApp(unittest.TestCase):
         resp = self.app.patch('/')
         self.assertIn('PATCH', resp)
 
+        resp = self.app.patch('/', xhr=True)
+        self.assertIn('PATCH', resp)
+
     def test_custom_headers(self):
         resp = self.app.post('/', headers={'Accept': 'text/plain'})
         resp.charset = 'ascii'
@@ -107,6 +110,14 @@ class TestStatus(unittest.TestCase):
         self.assertRaises(webtest.AppError, self.check_status, '400 Ok')
 
 
+class TestParserFeature(unittest.TestCase):
+
+    def test_parser_features(self):
+        app = webtest.TestApp(debug_app, parser_features='custom')
+        self.assertEqual(app.RequestClass.ResponseClass.parser_features,
+                         'custom')
+
+
 class TestAppError(unittest.TestCase):
 
     def test_app_error(self):
diff --git a/tests/test_debugapp.py b/tests/test_debugapp.py
index 2375f8c..87c61a0 100644
--- a/tests/test_debugapp.py
+++ b/tests/test_debugapp.py
@@ -43,6 +43,8 @@ class TestTesting(unittest.TestCase):
         self.assertEqual(res.headers['content-type'], 'text/plain')
         self.assertTrue(res.content_length > 0)
         self.assertEqual(res.body, to_bytes(''))
+        res = self.app.head('/', xhr=True)
+        self.assertEqual(res.status_int, 200)
 
     def test_post_unicode(self):
         res = self.app.post(
diff --git a/webtest/app.py b/webtest/app.py
index 40a7723..df22abc 100644
--- a/webtest/app.py
+++ b/webtest/app.py
@@ -146,8 +146,9 @@ class TestApp(object):
         self.extra_environ = extra_environ
         self.use_unicode = use_unicode
         self.cookiejar = cookiejar or http_cookiejar.CookieJar()
-        if parser_features:
-            self.RequestClass.ResponseClass.parser_features = parser_features
+        if parser_features is None:
+            parser_features = 'html.parser'
+        self.RequestClass.ResponseClass.parser_features = parser_features
 
     def get_authorization(self):
         """Allow to set the HTTP_AUTHORIZATION environ key. Value should looks
diff --git a/webtest/forms.py b/webtest/forms.py
index c9c7ee0..8a43001 100644
--- a/webtest/forms.py
+++ b/webtest/forms.py
@@ -426,7 +426,7 @@ class Form(object):
                 name = attrs.pop('name')
 
             if tag == 'textarea':
-                if node.text.startswith('\r\n'):
+                if node.text.startswith('\r\n'):  # pragma: no cover
                     text = node.text[2:]
                 elif node.text.startswith('\n'):
                     text = node.text[1:]
diff --git a/webtest/http.py b/webtest/http.py
index f2e5f85..90959ec 100644
--- a/webtest/http.py
+++ b/webtest/http.py
@@ -86,7 +86,7 @@ class StopableWSGIServer(TcpWSGIServer):
         """Run the server"""
         try:
             self.asyncore.loop(.5, map=self._map)
-        except select.error:
+        except select.error:  # pragma: no cover
             if not self.was_shutdown:
                 raise
 
diff --git a/webtest/utils.py b/webtest/utils.py
index ac78bcd..84b296e 100644
--- a/webtest/utils.py
+++ b/webtest/utils.py
@@ -133,7 +133,8 @@ class _RequestCookieAdapter(object):
         # This is undocumented method that Python 3 cookielib uses
         return self.get_type()
 
-    def header_items(self):
+    def header_items(self):  # pragma: no cover
+        # This is unused on most python versions
         return self._request.headers.items()