reactor rpc (#179)

* reactor rpc generation

* update flag

* update command

* update command

* update unit test

* delete test file

* optimize code

* update doc

* update gen pb

* rename target dir

* update mysql data type convert rule

* add done flag

* optimize req/reply parameter

* optimize req/reply parameter

* remove waste code

* remove duplicate parameter

* format code

* format code

* optimize naming

* reactor rpcv2 to rpc

* remove new line

* format code

* rename underline to snake

* reactor getParentPackage

* remove debug log

* reactor background

tools/goctl/rpc/generator/genmain_test.go

@@ -0,0 +1,45 @@
+package generator
+
+import (
+	"os"
+	"path/filepath"
+	"testing"
+
+	"github.com/stretchr/testify/assert"
+	"github.com/tal-tech/go-zero/tools/goctl/rpc/parser"
+	"github.com/tal-tech/go-zero/tools/goctl/util"
+	"github.com/tal-tech/go-zero/tools/goctl/util/ctx"
+)
+
+func TestGenerateMain(t *testing.T) {
+	_ = Clean()
+	project := "stream"
+	abs, err := filepath.Abs("./test")
+	assert.Nil(t, err)
+
+	dir := filepath.Join(abs, project)
+	err = util.MkdirIfNotExist(dir)
+	assert.Nil(t, err)
+	defer func() {
+		_ = os.RemoveAll(abs)
+	}()
+
+	projectCtx, err := ctx.Prepare(dir)
+	assert.Nil(t, err)
+
+	p := parser.NewDefaultProtoParser()
+	proto, err := p.Parse("./test_stream.proto")
+	assert.Nil(t, err)
+
+	dirCtx, err := mkdir(projectCtx, proto)
+	assert.Nil(t, err)
+
+	g := NewDefaultGenerator()
+	err = g.Prepare()
+	if err != nil {
+		return
+	}
+
+	err = g.GenMain(dirCtx, proto)
+	assert.Nil(t, err)
+}