THRIFT-3400 Add Erlang to cross test
Client: Test, Erlang
Patch: Nobuaki Sukegawa
diff --git a/test/erl/src/test_client.erl b/test/erl/src/test_client.erl
new file mode 100644
index 0000000..fad0988
--- /dev/null
+++ b/test/erl/src/test_client.erl
@@ -0,0 +1,139 @@
+%%
+%% Licensed to the Apache Software Foundation (ASF) under one
+%% or more contributor license agreements. See the NOTICE file
+%% distributed with this work for additional information
+%% regarding copyright ownership. The ASF licenses this file
+%% 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(test_client).
+
+-export([start/0, start/1]).
+
+-include("gen-erl/thrift_test_types.hrl").
+
+-record(options, {port = 9090,
+                  client_opts = []}).
+
+parse_args(Args) -> parse_args(Args, #options{}).
+parse_args([], Opts) ->
+  Opts;
+parse_args([Head | Rest], Opts) ->
+    NewOpts =
+        case Head of
+            "--port=" ++ Port ->
+                case string:to_integer(Port) of
+                  {IntPort,_} when is_integer(IntPort) ->
+                    Opts#options{port = IntPort};
+                  _Else ->
+                    erlang:error({bad_arg, Head})
+                end;
+            "--transport=" ++ Trans ->
+                % TODO: Enable Buffered and HTTP transport
+                case Trans of
+                    "framed" ->
+                        Opts#options{client_opts = [{framed, true} | Opts#options.client_opts]};
+                    _Else ->
+                        Opts
+                end;
+            "--protocol=binary" ->
+                % TODO: Enable JSON protocol
+                Opts;
+            _Else ->
+                erlang:error({bad_arg, Head})
+        end,
+    parse_args(Rest, NewOpts).
+
+start() -> start(init:get_plain_arguments()).
+start(Args) ->
+  #options{port = Port, client_opts = ClientOpts} = parse_args(Args),
+  {ok, Client0} = thrift_client_util:new(
+    "127.0.0.1", Port, thrift_test_thrift, ClientOpts),
+
+  DemoXtruct = #'Xtruct'{
+    string_thing = <<"Zero">>,
+    byte_thing = 1,
+    i32_thing = 9128361,
+    i64_thing = 9223372036854775807},
+
+  DemoNest = #'Xtruct2'{
+    byte_thing = 7,
+    struct_thing = DemoXtruct,
+    % Note that we don't set i32_thing, it will come back as undefined
+    % from the Python server, but 0 from the C++ server, since it is not
+    % optional
+    i32_thing = 2},
+
+  % Is it safe to match these things?
+  DemoDict = dict:from_list([ {Key, Key-10} || Key <- lists:seq(0,10) ]),
+  DemoSet = sets:from_list([ Key || Key <- lists:seq(-3,3) ]),
+
+  DemoInsane = #'Insanity'{
+    userMap = dict:from_list([{?THRIFT_TEST_NUMBERZ_FIVE, 5000}]),
+    xtructs = [#'Xtruct'{ string_thing = <<"Truck">>, byte_thing = 8, i32_thing = 8, i64_thing = 8}]},
+
+  {Client01, {ok, ok}} = thrift_client:call(Client0, testVoid, []),
+
+  {Client02, {ok, <<"Test">>}}      = thrift_client:call(Client01, testString, ["Test"]),
+  {Client03, {ok, <<"Test">>}}      = thrift_client:call(Client02, testString, [<<"Test">>]),
+  {Client04, {ok, 63}}              = thrift_client:call(Client03, testByte, [63]),
+  {Client05, {ok, -1}}              = thrift_client:call(Client04, testI32, [-1]),
+  {Client06, {ok, 0}}               = thrift_client:call(Client05, testI32, [0]),
+  {Client07, {ok, -34359738368}}    = thrift_client:call(Client06, testI64, [-34359738368]),
+  {Client08, {ok, -5.2098523}}      = thrift_client:call(Client07, testDouble, [-5.2098523]),
+  %% TODO: add testBinary() call
+  {Client09, {ok, DemoXtruct}}      = thrift_client:call(Client08, testStruct, [DemoXtruct]),
+  {Client10, {ok, DemoNest}}        = thrift_client:call(Client09, testNest, [DemoNest]),
+  {Client11, {ok, DemoDict}}        = thrift_client:call(Client10, testMap, [DemoDict]),
+  {Client12, {ok, DemoSet}}         = thrift_client:call(Client11, testSet, [DemoSet]),
+  {Client13, {ok, [-1,2,3]}}        = thrift_client:call(Client12, testList, [[-1,2,3]]),
+  {Client14, {ok, 1}}               = thrift_client:call(Client13, testEnum, [?THRIFT_TEST_NUMBERZ_ONE]),
+  {Client15, {ok, 309858235082523}} = thrift_client:call(Client14, testTypedef, [309858235082523]),
+  {Client16, {ok, InsaneResult}}    = thrift_client:call(Client15, testInsanity, [DemoInsane]),
+  io:format("~p~n", [InsaneResult]),
+
+  {Client17, {ok, #'Xtruct'{string_thing = <<"Message">>}}} =
+    thrift_client:call(Client16, testMultiException, ["Safe", "Message"]),
+
+  Client18 =
+    try
+      {ClientS1, Result1} = thrift_client:call(Client17, testMultiException, ["Xception", "Message"]),
+      io:format("Unexpected return! ~p~n", [Result1]),
+      ClientS1
+    catch
+      throw:{ClientS2, {exception, ExnS1 = #'Xception'{}}} ->
+        #'Xception'{errorCode = 1001, message = <<"This is an Xception">>} = ExnS1,
+        ClientS2;
+      throw:{ClientS2, {exception, _ExnS1 = #'Xception2'{}}} ->
+        io:format("Wrong exception type!~n", []),
+        ClientS2
+    end,
+
+  Client19 =
+    try
+      {ClientS3, Result2} = thrift_client:call(Client18, testMultiException, ["Xception2", "Message"]),
+      io:format("Unexpected return! ~p~n", [Result2]),
+      ClientS3
+    catch
+      throw:{ClientS4, {exception, _ExnS2 = #'Xception'{}}} ->
+        io:format("Wrong exception type!~n", []),
+        ClientS4;
+      throw:{ClientS4, {exception, ExnS2 = #'Xception2'{}}} ->
+        #'Xception2'{errorCode = 2002,
+                   struct_thing = #'Xtruct'{
+                     string_thing = <<"This is an Xception2">>}} = ExnS2,
+        ClientS4
+    end,
+
+  thrift_client:close(Client19).