THRIFT-2497 server and client for test/go, also several fixes and improvements
Client: Go
Patch: Aleksey Pesternikov

This closes #109

commit f2e7186ca8d63f407dba0c56ee51afd6405926ba
 Author: Aleksey Pesternikov <ap@alekseys-mbp.att.net>
 Date: 2014-04-22T12:48:14Z

add _ to generated filename if it ends with _test.go

commit a6ed88196fbf4622a3b0261bbac0fe6b258bdd36
 Author: Aleksey Pesternikov <ap@alekseys-mbp.att.net>
 Date: 2014-04-22T14:19:13Z

use tcxx instead of tr1 in test/cpp

commit d1848fa05f4baefc66eb405f4b1a8657bb2869bd
 Author: Aleksey Pesternikov <ap@alekseys-macbook-pro.local>
 Date: 2014-04-23T01:01:03Z

Merge branch 'master' of https://github.com/apache/thrift into go_integration

commit 04d22fef228d3f868b32a296a38f99ff52ee2142
 Author: Aleksey Pesternikov <ap@alekseys-macbook-pro.local>
 Date: 2014-04-25T00:34:24Z

additions:
 test for client/server with several protocol/transport/ssl combinations
 bin/testclient and bin/testserver
 debug_transport

fixes:
 separate Listen() and AcceptLoop() instead of Serve() in SimpleServer
 if handler function returns any unknown exception, handler closes connection

commit ed88d57d977cffea9fac8f61143801f3097ef46c
 Author: Aleksey Pesternikov <ap@alekseys-mbp.att.net>
 Date: 2014-04-25T13:29:54Z

Generate lowercase package name
 lowercased pkg name in thrift files
 underline() -> lowercase()

commit 498a910c6c6753a4b1e3633eb5c9c82be33e8c7b
 Author: Aleksey Pesternikov <ap@alekseys-mbp.att.net>
 Date: 2014-04-25T13:32:26Z

Merge branch 'master' into go_test_service_name

commit 25792d7218a2c32ee3c2077f65ca7d0cea7f31f5
 Author: Aleksey Pesternikov <ap@alekseys-mbp.att.net>
 Date: 2014-04-22T12:48:14Z

add _ to generated filename if it ends with _test.go

commit af994b415308a2e174d57a03675fc83d7cbd43d1
 Author: Aleksey Pesternikov <ap@alekseys-macbook-pro.local>
 Date: 2014-04-25T00:34:24Z

additions:
 test for client/server with several protocol/transport/ssl combinations
 bin/testclient and bin/testserver
 debug_transport

fixes:
 separate Listen() and AcceptLoop() instead of Serve() in SimpleServer
 if handler function returns any unknown exception, handler closes connection

commit f22a777a5d5b4d93a8d7981e7aadc2c63919518a
 Author: Aleksey Pesternikov <ap@alekseys-mbp.att.net>
 Date: 2014-04-25T13:44:08Z

Merge branch 'go_integration' of github.com:apesternikov/thrift into go_integration

commit 49a33c8c80ea35f923ee9aa3577780fcf41fe840
 Author: Aleksey Pesternikov <ap@alekseys-mbp.att.net>
 Date: 2014-04-25T13:49:05Z

Merge branch 'master' into test_cpp_on_mac

commit 81b402ec6301f6b132c9b346ad5481f55f0aff89
 Author: Aleksey Pesternikov <ap@alekseys-mbp.att.net>
 Date: 2014-04-25T13:56:56Z

operator < for ThriftTest

commit cde312d940d12077274dd0ba677ca850b5b439a7
 Author: Aleksey Pesternikov <ap@alekseys-mbp.att.net>
 Date: 2014-04-25T14:12:58Z

minor formatting

commit 0a693115c2c20a2a8375f3859ff7bed261e6c8da
 Author: Aleksey Pesternikov <ap@alekseys-mbp.att.net>
 Date: 2014-04-25T14:13:20Z

Merge branch 'test_cpp_on_mac' into go_integration

commit e06b5d24e8b6d429723a3c77a58c6ce903e1366a
 Author: Aleksey Pesternikov <ap@alekseys-macbook-pro.local>
 Date: 2014-04-25T15:19:20Z

Merge branch 'go_test_service_name' into go_integration

commit 42d577c9812a070060c773fcd0598e58e6d6ba61
 Author: Aleksey Pesternikov <ap@alekseys-macbook-pro.local>
 Date: 2014-04-25T15:39:57Z

imported THRIFT-2491
 lowercase package names

commit 491ccf8b018c046c5ced72b1e19d9ac4ec48a6f5
 Author: Aleksey Pesternikov <ap@alekseys-macbook-pro.local>
 Date: 2014-04-25T15:51:53Z

--noinsane flag for c++ TestClient. works with go server now for other default params

commit 78db3c9a3a5742818a5de6e57f2fe9aed84919e5
 Author: Aleksey Pesternikov <ap@alekseys-macbook-pro.local>
 Date: 2014-04-25T16:03:23Z

license
diff --git a/test/go/src/common/clientserver_test.go b/test/go/src/common/clientserver_test.go
new file mode 100644
index 0000000..8add041
--- /dev/null
+++ b/test/go/src/common/clientserver_test.go
@@ -0,0 +1,292 @@
+/*
+ * 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.
+ */
+
+package common
+
+import (
+	"code.google.com/p/gomock/gomock"
+	"errors"
+	"gen/thrifttest"
+	"reflect"
+	"testing"
+	"thrift"
+)
+
+type test_unit struct {
+	host          string
+	port          int64
+	domain_socket string
+	transport     string
+	protocol      string
+	ssl           bool
+}
+
+var units = []test_unit{
+	{"127.0.0.1", 9090, "", "", "binary", false},
+	{"127.0.0.1", 9091, "", "", "compact", false},
+	{"127.0.0.1", 9092, "", "", "binary", true},
+	{"127.0.0.1", 9093, "", "", "compact", true},
+}
+
+func TestAllConnection(t *testing.T) {
+	certPath = "../../../keys"
+	for _, unit := range units {
+		t.Logf("%#v", unit)
+		doUnit(t, &unit)
+	}
+}
+
+func doUnit(t *testing.T, unit *test_unit) {
+	ctrl := gomock.NewController(t)
+	defer ctrl.Finish()
+	handler := NewMockThriftTest(ctrl)
+	server, err := StartServer(unit.host, unit.port, unit.domain_socket, unit.transport, unit.protocol, unit.ssl, handler)
+	if err != nil {
+		t.Errorf("Unable to start server", err)
+		t.FailNow()
+	}
+	defer server.Stop()
+	client, err := StartClient(unit.host, unit.port, unit.domain_socket, unit.transport, unit.protocol, unit.ssl)
+	if err != nil {
+		t.Errorf("Unable to start client", err)
+		t.FailNow()
+	}
+	defer client.Transport.Close()
+	callEverythingWithMock(t, client, handler)
+}
+
+var rmapmap = map[int32]map[int32]int32{
+	-4: map[int32]int32{-4: -4, -3: -3, -2: -2, -1: -1},
+	4:  map[int32]int32{4: 4, 3: 3, 2: 2, 1: 1},
+}
+
+var xxs = &thrifttest.Xtruct{
+	StringThing: "Hello2",
+	ByteThing:   42,
+	I32Thing:    4242,
+	I64Thing:    424242,
+}
+
+var xcept = &thrifttest.Xception{ErrorCode: 1001, Message: "some"}
+
+func callEverythingWithMock(t *testing.T, client *thrifttest.ThriftTestClient, handler *MockThriftTest) {
+	gomock.InOrder(
+		handler.EXPECT().TestVoid(),
+		handler.EXPECT().TestString("thing").Return("thing", nil),
+		handler.EXPECT().TestByte(int8(42)).Return(int8(42), nil),
+		handler.EXPECT().TestI32(int32(4242)).Return(int32(4242), nil),
+		handler.EXPECT().TestI64(int64(424242)).Return(int64(424242), nil),
+		handler.EXPECT().TestDouble(float64(42.42)).Return(float64(42.42), nil),
+		handler.EXPECT().TestStruct(&thrifttest.Xtruct{StringThing: "thing", ByteThing: 42, I32Thing: 4242, I64Thing: 424242}).Return(&thrifttest.Xtruct{StringThing: "thing", ByteThing: 42, I32Thing: 4242, I64Thing: 424242}, nil),
+		handler.EXPECT().TestNest(&thrifttest.Xtruct2{StructThing: &thrifttest.Xtruct{StringThing: "thing", ByteThing: 42, I32Thing: 4242, I64Thing: 424242}}).Return(&thrifttest.Xtruct2{StructThing: &thrifttest.Xtruct{StringThing: "thing", ByteThing: 42, I32Thing: 4242, I64Thing: 424242}}, nil),
+		handler.EXPECT().TestMap(map[int32]int32{1: 2, 3: 4, 5: 42}).Return(map[int32]int32{1: 2, 3: 4, 5: 42}, nil),
+		handler.EXPECT().TestStringMap(map[string]string{"a": "2", "b": "blah", "some": "thing"}).Return(map[string]string{"a": "2", "b": "blah", "some": "thing"}, nil),
+		handler.EXPECT().TestSet(map[int32]bool{1: true, 2: true, 42: true}).Return(map[int32]bool{1: true, 2: true, 42: true}, nil),
+		handler.EXPECT().TestList([]int32{1, 2, 42}).Return([]int32{1, 2, 42}, nil),
+		handler.EXPECT().TestEnum(thrifttest.Numberz_TWO).Return(thrifttest.Numberz_TWO, nil),
+		handler.EXPECT().TestTypedef(thrifttest.UserId(42)).Return(thrifttest.UserId(42), nil),
+		handler.EXPECT().TestMapMap(int32(42)).Return(rmapmap, nil),
+		//not testing insanity
+		handler.EXPECT().TestMulti(int8(42), int32(4242), int64(424242), map[int16]string{1: "blah", 2: "thing"}, thrifttest.Numberz_EIGHT, thrifttest.UserId(24)).Return(xxs, nil),
+		handler.EXPECT().TestException("some").Return(xcept),
+		handler.EXPECT().TestException("TException").Return(errors.New("Just random exception")),
+		handler.EXPECT().TestMultiException("Xception", "ignoreme").Return(nil, &thrifttest.Xception{ErrorCode: 1001, Message: "This is an Xception"}),
+		handler.EXPECT().TestMultiException("Xception2", "ignoreme").Return(nil, &thrifttest.Xception2{ErrorCode: 2002, StructThing: &thrifttest.Xtruct{StringThing: "This is an Xception2"}}),
+		handler.EXPECT().TestOneway(int32(2)).Return(nil),
+		handler.EXPECT().TestVoid(),
+	)
+	var err error
+	if err = client.TestVoid(); err != nil {
+		t.Errorf("Unexpected error in TestVoid() call: ", err)
+	}
+
+	thing, err := client.TestString("thing")
+	if err != nil {
+		t.Errorf("Unexpected error in TestString() call: ", err)
+	}
+	if thing != "thing" {
+		t.Errorf("Unexpected TestString() result, expected 'thing' got '%s' ", thing)
+	}
+
+	b, err := client.TestByte(42)
+	if err != nil {
+		t.Errorf("Unexpected error in TestByte() call: ", err)
+	}
+	if b != 42 {
+		t.Errorf("Unexpected TestByte() result expected 42, got %d ", b)
+	}
+
+	i32, err := client.TestI32(4242)
+	if err != nil {
+		t.Errorf("Unexpected error in TestI32() call: ", err)
+	}
+	if i32 != 4242 {
+		t.Errorf("Unexpected TestI32() result expected 4242, got %d ", i32)
+	}
+
+	i64, err := client.TestI64(424242)
+	if err != nil {
+		t.Errorf("Unexpected error in TestI64() call: ", err)
+	}
+	if i64 != 424242 {
+		t.Errorf("Unexpected TestI64() result expected 424242, got %d ", i64)
+	}
+
+	d, err := client.TestDouble(42.42)
+	if err != nil {
+		t.Errorf("Unexpected error in TestDouble() call: ", err)
+	}
+	if d != 42.42 {
+		t.Errorf("Unexpected TestDouble() result expected 42.42, got %f ", d)
+	}
+
+	xs := thrifttest.NewXtruct()
+	xs.StringThing = "thing"
+	xs.ByteThing = 42
+	xs.I32Thing = 4242
+	xs.I64Thing = 424242
+	xsret, err := client.TestStruct(xs)
+	if err != nil {
+		t.Errorf("Unexpected error in TestStruct() call: ", err)
+	}
+	if *xs != *xsret {
+		t.Errorf("Unexpected TestStruct() result expected %#v, got %#v ", xs, xsret)
+	}
+
+	x2 := thrifttest.NewXtruct2()
+	x2.StructThing = xs
+	x2ret, err := client.TestNest(x2)
+	if err != nil {
+		t.Errorf("Unexpected error in TestNest() call: ", err)
+	}
+	if !reflect.DeepEqual(x2, x2ret) {
+		t.Errorf("Unexpected TestNest() result expected %#v, got %#v ", x2, x2ret)
+	}
+
+	m := map[int32]int32{1: 2, 3: 4, 5: 42}
+	mret, err := client.TestMap(m)
+	if err != nil {
+		t.Errorf("Unexpected error in TestMap() call: ", err)
+	}
+	if !reflect.DeepEqual(m, mret) {
+		t.Errorf("Unexpected TestMap() result expected %#v, got %#v ", m, mret)
+	}
+
+	sm := map[string]string{"a": "2", "b": "blah", "some": "thing"}
+	smret, err := client.TestStringMap(sm)
+	if err != nil {
+		t.Errorf("Unexpected error in TestStringMap() call: ", err)
+	}
+	if !reflect.DeepEqual(sm, smret) {
+		t.Errorf("Unexpected TestStringMap() result expected %#v, got %#v ", sm, smret)
+	}
+
+	s := map[int32]bool{1: true, 2: true, 42: true}
+	sret, err := client.TestSet(s)
+	if err != nil {
+		t.Errorf("Unexpected error in TestSet() call: ", err)
+	}
+	if !reflect.DeepEqual(s, sret) {
+		t.Errorf("Unexpected TestSet() result expected %#v, got %#v ", s, sret)
+	}
+
+	l := []int32{1, 2, 42}
+	lret, err := client.TestList(l)
+	if err != nil {
+		t.Errorf("Unexpected error in TestList() call: ", err)
+	}
+	if !reflect.DeepEqual(l, lret) {
+		t.Errorf("Unexpected TestSet() result expected %#v, got %#v ", l, lret)
+	}
+
+	eret, err := client.TestEnum(thrifttest.Numberz_TWO)
+	if err != nil {
+		t.Errorf("Unexpected error in TestEnum() call: ", err)
+	}
+	if eret != thrifttest.Numberz_TWO {
+		t.Errorf("Unexpected TestEnum() result expected %#v, got %#v ", thrifttest.Numberz_TWO, eret)
+	}
+
+	tret, err := client.TestTypedef(thrifttest.UserId(42))
+	if err != nil {
+		t.Errorf("Unexpected error in TestTypedef() call: ", err)
+	}
+	if tret != thrifttest.UserId(42) {
+		t.Errorf("Unexpected TestTypedef() result expected %#v, got %#v ", thrifttest.UserId(42), tret)
+	}
+
+	mapmap, err := client.TestMapMap(42)
+	if err != nil {
+		t.Errorf("Unexpected error in TestMapmap() call: ", err)
+	}
+	if !reflect.DeepEqual(mapmap, rmapmap) {
+		t.Errorf("Unexpected TestMapmap() result expected %#v, got %#v ", rmapmap, mapmap)
+	}
+
+	xxsret, err := client.TestMulti(42, 4242, 424242, map[int16]string{1: "blah", 2: "thing"}, thrifttest.Numberz_EIGHT, thrifttest.UserId(24))
+	if err != nil {
+		t.Errorf("Unexpected error in TestMulti() call: ", err)
+	}
+	if !reflect.DeepEqual(xxs, xxsret) {
+		t.Errorf("Unexpected TestMulti() result expected %#v, got %#v ", xxs, xxsret)
+	}
+
+	err = client.TestException("some")
+	if err == nil {
+		t.Errorf("Expecting exception in TestException() call")
+	}
+	if !reflect.DeepEqual(err, xcept) {
+		t.Errorf("Unexpected TestException() result expected %#v, got %#v ", xcept, err)
+	}
+
+	// TODO: connection is being closed on this
+	err = client.TestException("TException")
+	tex, ok := err.(thrift.TApplicationException)
+	if err == nil || !ok || tex.TypeId() != thrift.INTERNAL_ERROR {
+		t.Errorf("Unexpected TestException() result expected ApplicationError, got %#v ", err)
+	}
+
+	ign, err := client.TestMultiException("Xception", "ignoreme")
+	if ign != nil || err == nil {
+		t.Errorf("Expecting exception in TestMultiException() call")
+	}
+	if !reflect.DeepEqual(err, &thrifttest.Xception{ErrorCode: 1001, Message: "This is an Xception"}) {
+		t.Errorf("Unexpected TestMultiException() %#v ", err)
+	}
+
+	ign, err = client.TestMultiException("Xception2", "ignoreme")
+	if ign != nil || err == nil {
+		t.Errorf("Expecting exception in TestMultiException() call")
+	}
+	expecting := &thrifttest.Xception2{ErrorCode: 2002, StructThing: &thrifttest.Xtruct{StringThing: "This is an Xception2"}}
+
+	if !reflect.DeepEqual(err, expecting) {
+		t.Errorf("Unexpected TestMultiException() %#v ", err)
+	}
+
+	err = client.TestOneway(2)
+	if err != nil {
+		t.Errorf("Unexpected error in TestOneway() call: ", err)
+	}
+
+	//Make sure the connection still alive
+	if err = client.TestVoid(); err != nil {
+		t.Errorf("Unexpected error in TestVoid() call: ", err)
+	}
+}