1 files changed, 24 insertions, 0 deletions
diff --git a/tests/test_events.py b/tests/test_events.py
new file mode 100644
index 000000000..4881588a4
--- /dev/null
+++ b/tests/test_events.py
@@ -0,0 +1,24 @@
+"""
+    test_events
+    ~~~~~~~~~~~
+
+    Test the EventManager class.
+
+    :copyright: Copyright 2007-2020 by the Sphinx team, see AUTHORS.
+    :license: BSD, see LICENSE for details.
+"""
+
+from sphinx.events import EventManager
+
+
+def test_event_priority():
+    result = []
+    events = EventManager(object())  # pass an dummy object as an app
+    events.connect('builder-inited', lambda app: result.append(1), priority = 500)
+    events.connect('builder-inited', lambda app: result.append(2), priority = 500)
+    events.connect('builder-inited', lambda app: result.append(3), priority = 200)  # eariler
+    events.connect('builder-inited', lambda app: result.append(4), priority = 700)  # later
+    events.connect('builder-inited', lambda app: result.append(5), priority = 500)
+
+    events.emit('builder-inited')
+    assert result == [3, 1, 2, 5, 4]