Issue #686: Create User.url_for_self() method.

*Note from cwebber on merge of this branch:*
  Thanks also to Sturm who provided an early version of this patch.

mediagoblin/db/mixin.py

@@ -46,6 +46,12 @@ class UserMixin(object):
     def bio_html(self):
         return cleaned_markdown_conversion(self.bio)
 
+    def url_for_self(self, urlgen, **kwargs):
+        """Generate a URL for this User's home page."""
+        return urlgen('mediagoblin.user_pages.user_home',
+                      user=self.username, **kwargs)
+
+
 class GenerateSlugMixin(object):
     """
     Mixin to add a generate_slug method to objects.

mediagoblin/tests/__init__.py

@@ -14,9 +14,50 @@
 # You should have received a copy of the GNU Affero General Public License
 # along with this program.  If not, see <http://www.gnu.org/licenses/>.
 
+import pytest
+
+from mediagoblin.db.models import User
+from mediagoblin.tests.tools import fixture_add_user
+from mediagoblin.tools import template
+
 
 def setup_package():
 
     import warnings
     from sqlalchemy.exc import SAWarning
     warnings.simplefilter("error", SAWarning)
+
+
+class MGClientTestCase:
+
+    usernames = None
+
+    @pytest.fixture(autouse=True)
+    def setup(self, test_app):
+        self.test_app = test_app
+
+        if self.usernames is None:
+            msg = ('The usernames attribute should be overridden '
+                   'in the subclass')
+            raise pytest.skip(msg)
+        for username, options in self.usernames:
+            fixture_add_user(username, **options)
+
+    def user(self, username):
+        return User.query.filter(User.username == username).first()
+
+    def _do_request(self, url, *context_keys, **kwargs):
+        template.clear_test_template_context()
+        response = self.test_app.request(url, **kwargs)
+        context_data = template.TEMPLATE_TEST_CONTEXT
+        for key in context_keys:
+            context_data = context_data[key]
+        return response, context_data
+
+    def do_get(self, url, *context_keys, **kwargs):
+        kwargs['method'] = 'GET'
+        return self._do_request(url, *context_keys, **kwargs)
+
+    def do_post(self, url, *context_keys, **kwargs):
+        kwargs['method'] = 'POST'
+        return self._do_request(url, *context_keys, **kwargs)

mediagoblin/tests/test_modelmethods.py

@@ -20,9 +20,11 @@
 from mediagoblin.db.base import Session
 from mediagoblin.db.models import MediaEntry, User, Privilege
 
+from mediagoblin.tests import MGClientTestCase
 from mediagoblin.tests.tools import fixture_add_user
 
 import mock
+import pytest
 
 
 class FakeUUID(object):
@@ -30,6 +32,8 @@ class FakeUUID(object):
 
 UUID_MOCK = mock.Mock(return_value=FakeUUID())
 
+REQUEST_CONTEXT = ['mediagoblin/root.html', 'request']
+
 
 class TestMediaEntrySlugs(object):
     def _setup(self):
@@ -204,3 +208,23 @@ def test_media_data_init(test_app):
         print repr(obj)
     assert obj_in_session == 0
 
+
+class TestUserUrlForSelf(MGClientTestCase):
+
+    usernames = [(u'lindsay', dict(privileges=[u'active']))]
+
+    def test_url_for_self(self):
+        _, request = self.do_get('/', *REQUEST_CONTEXT)
+
+        assert self.user(u'lindsay').url_for_self(request.urlgen) == '/u/lindsay/'
+
+    def test_url_for_self_not_callable(self):
+        _, request = self.do_get('/', *REQUEST_CONTEXT)
+
+        def fake_urlgen():
+            pass
+
+        with pytest.raises(TypeError) as excinfo:
+            self.user(u'lindsay').url_for_self(fake_urlgen())
+        assert excinfo.errisinstance(TypeError)
+        assert 'object is not callable' in str(excinfo)