Add @user-groups support (#680)

Add @user-groups with tab-completion. @user-groups will be unfurl into format <!subteam^{ID}|handle> message before sending message via linktext method.

1 files changed, 11 insertions, 0 deletions

diff --git a/_pytest/test_linkifytext.py b/_pytest/test_linkifytext.py
index da1586e..fea6ab8 100644
--- a/_pytest/test_linkifytext.py
+++ b/_pytest/test_linkifytext.py
@@ -53,6 +53,17 @@ def test_linkifytext_names_with_apostrophe(realish_eventrouter):
 
     assert text == '@O\'Connor: my test message'
 
+def test_linkifytext_names_with_subgroup_notification(realish_eventrouter):
+    subteam_id = "TGX0ALBK3"
+    handle = "test"
+    team = realish_eventrouter.teams.values()[0]
+    channel = team.channels.values()[0]
+
+    message = 'This is a message for the test team'
+    text = linkify_text('@test: {}'.format(message), team)
+
+    assert text == '<!subteam^{}|@{}>: {}'.format(subteam_id, handle, message)
+
 def test_linkifytext_at_channel(realish_eventrouter):
     team = realish_eventrouter.teams.values()[0]