Adding missing test file

test/sync_phase.erl

@@ -0,0 +1,49 @@
+%% This file is provided to you under the Apache License,
+%% Version 2.0 (the "License"); you may not use this file
+%% except in compliance with the License.  You may obtain
+%% a copy of the License at
+
+%%   http://www.apache.org/licenses/LICENSE-2.0
+
+%% Unless required by applicable law or agreed to in writing,
+%% software distributed under the License is distributed on an
+%% "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+%% KIND, either express or implied.  See the License for the
+%% specific language governing permissions and limitations
+%% under the License.
+
+-module(sync_phase).
+
+-behaviour(luke_phase).
+
+-export([init/1, handle_input/3, handle_input_done/1, handle_event/2,
+         handle_sync_event/3, handle_timeout/1, handle_info/2, terminate/2]).
+
+-record(state, {}).
+
+init([]) ->
+    {ok, #state{}}.
+
+handle_input(Inputs, State, _Timeout) ->
+    {output, Inputs, State}.
+
+handle_input_done(State) ->
+    luke_phase:complete(),
+    {no_output, State}.
+
+handle_event(_Event, State) ->
+    {no_output, State}.
+
+handle_sync_event(ping, _From, State) ->
+    {reply, pong, State};
+handle_sync_event(_Event, _From, State) ->
+    {reply, ignored, State}.
+
+handle_timeout(State) ->
+    {no_output, State}.
+
+handle_info(_Info, State) ->
+    {no_output, State}.
+
+terminate(_Reason, _State) ->
+    ok.