fix tests for py3

CHANGES.rst

@@ -14,7 +14,8 @@ New features:
 
 Bug fixes:
 
-- *add item here*
+- Fix tests for py3
+  [pbauer]
 
 
 2.2.1 (2018-02-02)

plone/browserlayer/README.rst

@@ -18,12 +18,12 @@ Before the product is installed, we cannot view this:
     >>> browser.open(layer['portal'].absolute_url() + '/@@layer-test-view')
     Traceback (most recent call last):
     ...
-    HTTPError: HTTP Error 404: Not Found
+    urllib.error.HTTPError: HTTP Error 404: Not Found
 
 We can view a view registered for the default layer, though:
 
     >>> browser.open(layer['portal'].absolute_url() + '/@@standard-test-view')
-    >>> print browser.contents
+    >>> print(browser.contents)
     A standard view
 
 However, if we install the product the interface is registered in the local
@@ -40,14 +40,14 @@ And if we now traverse over the site root and render the view, it should be
 there.
 
     >>> browser.open(layer['portal'].absolute_url() + '/@@layer-test-view')
-    >>> print browser.contents
+    >>> print(browser.contents)
     A local view
 
 Unlike when applying a new skin, layers installed in this way do not override
 views registered for the default layer.
 
     >>> browser.open(layer['portal'].absolute_url() + '/@@standard-test-view')
-    >>> print browser.contents
+    >>> print(browser.contents)
     A standard view
 
 It is also possible to uninstall a layer:
@@ -61,7 +61,7 @@ It is also possible to uninstall a layer:
     >>> browser.open(layer['portal'].absolute_url() + '/@@layer-test-view')
     Traceback (most recent call last):
     ...
-    HTTPError: HTTP Error 404: Not Found
+    urllib.error.HTTPError: HTTP Error 404: Not Found
 
 GenericSetup support
 --------------------
@@ -102,11 +102,11 @@ the next three lines are used because of this bug :https://dev.plone.org/ticket/
 And just to prove that everything still works:
 
     >>> browser.open(layer['portal'].absolute_url() + '/@@layer-test-view')
-    >>> print browser.contents
+    >>> print(browser.contents)
     A local view
 
     >>> browser.open(layer['portal'].absolute_url() + '/@@standard-test-view')
-    >>> print browser.contents
+    >>> print(browser.contents)
     A standard view
 
 We now also have uninstall support.  For the purposes of
@@ -148,8 +148,8 @@ as expected:
     >>> browser.open(layer['portal'].absolute_url() + '/@@layer-test-view')
     Traceback (most recent call last):
     ...
-    HTTPError: HTTP Error 404: Not Found
+    urllib.error.HTTPError: HTTP Error 404: Not Found
 
     >>> browser.open(layer['portal'].absolute_url() + '/@@standard-test-view')
-    >>> print browser.contents
+    >>> print(browser.contents)
     A standard view

plone/browserlayer/tests/test_doctest.py

@@ -1,10 +1,20 @@
 # -*- coding: utf-8 -*-
 from plone.browserlayer.testing import PLONEBROWSERLAYER_FUNCTIONAL_TESTING
 from plone.testing import layered
+
 import doctest
+import re
+import six
 import unittest
 
 
+class Py23DocChecker(doctest.OutputChecker):
+    def check_output(self, want, got, optionflags):
+        if six.PY2:
+            want = re.sub('urllib.error.HTTPError', 'HTTPError', want)
+        return doctest.OutputChecker.check_output(self, want, got, optionflags)
+
+
 def test_suite():
     return unittest.TestSuite([
         layered(
@@ -15,6 +25,7 @@ def test_suite():
                     doctest.ELLIPSIS |
                     doctest.REPORT_ONLY_FIRST_FAILURE
                 ),
+                checker=Py23DocChecker(),
             ),
             layer=PLONEBROWSERLAYER_FUNCTIONAL_TESTING
         )

setup.py

@@ -24,6 +24,8 @@
         "Operating System :: OS Independent",
         "Programming Language :: Python",
         "Programming Language :: Python :: 2.7",
+        "Programming Language :: Python :: 3.6",
+        "Programming Language :: Python :: 3.7",
     ],
     keywords='plone browser layer',
     author='Plone Foundation',