Added test_event

test/test_event.py

@@ -0,0 +1,54 @@
+import xcb, xcb.xproto
+import struct
+import libpry
+
+# covers xcb.Response too, the base class to xcb.Event
+# xcb.Union and xcb.List too, via xproto.ClientMessageEvent
+
+class uEvent(libpry.AutoTree):
+    def test_client_message_event(self):
+        response_type = 33 # ClientMessageEvent
+        format = 32
+        sequence = 0
+        window = 1234
+        # hardcoded values for these atoms since it doesn't matter here
+        WM_PROTOCOLS = 268
+        WM_DELETE_WINDOW = 266
+
+        event_raw = struct.pack('BBHII5I',
+            response_type,
+            format,
+            sequence,
+            window,
+            WM_PROTOCOLS,
+            WM_DELETE_WINDOW,
+            xcb.xproto.Time.CurrentTime,
+            0,
+            0,
+            0
+        )
+
+        xcb_event = xcb.Event(event_raw)
+
+        assert ''.join(list(xcb_event)) == event_raw
+        assert ord(xcb_event[0]) == response_type
+        assert xcb_event.response_type == response_type
+        assert xcb_event.sequence == 0
+
+        xproto_event = xcb.xproto.ClientMessageEvent(xcb_event)
+
+        assert xproto_event.format == format
+        assert xproto_event.window == window
+        assert xproto_event.type == WM_PROTOCOLS
+
+        fourbytes = struct.pack('I', WM_DELETE_WINDOW)
+
+        assert xproto_event.data[:4] == fourbytes
+        assert xproto_event.data.data8[:4] == list(struct.unpack('4B', fourbytes))
+        assert xproto_event.data.data16[:2] == list(struct.unpack('2H', fourbytes))
+        assert xproto_event.data.data32[0] == WM_DELETE_WINDOW
+
+
+tests = [
+    uEvent(),
+]