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/gen_test.go

@@ -0,0 +1,104 @@
+package generator
+
+import (
+	"os"
+	"path/filepath"
+	"strings"
+	"testing"
+
+	"github.com/stretchr/testify/assert"
+	"github.com/tal-tech/go-zero/tools/goctl/rpc/execx"
+)
+
+func TestRpcGenerateCaseNilImport(t *testing.T) {
+	dispatcher := NewDefaultGenerator()
+	if err := dispatcher.Prepare(); err == nil {
+		g := NewRpcGenerator(dispatcher)
+		abs, err := filepath.Abs("./test")
+		assert.Nil(t, err)
+
+		err = g.Generate("./test_stream.proto", abs, nil)
+		defer func() {
+			_ = os.RemoveAll(abs)
+		}()
+		assert.Nil(t, err)
+
+		_, err = execx.Run("go test "+abs, abs)
+		assert.Nil(t, err)
+	}
+}
+
+func TestRpcGenerateCaseOption(t *testing.T) {
+	dispatcher := NewDefaultGenerator()
+	if err := dispatcher.Prepare(); err == nil {
+		g := NewRpcGenerator(dispatcher)
+		abs, err := filepath.Abs("./test")
+		assert.Nil(t, err)
+
+		err = g.Generate("./test_option.proto", abs, nil)
+		defer func() {
+			_ = os.RemoveAll(abs)
+		}()
+		assert.Nil(t, err)
+
+		_, err = execx.Run("go test "+abs, abs)
+		assert.Nil(t, err)
+	}
+}
+
+func TestRpcGenerateCaseWordOption(t *testing.T) {
+	dispatcher := NewDefaultGenerator()
+	if err := dispatcher.Prepare(); err == nil {
+		g := NewRpcGenerator(dispatcher)
+		abs, err := filepath.Abs("./test")
+		assert.Nil(t, err)
+
+		err = g.Generate("./test_word_option.proto", abs, nil)
+		defer func() {
+			_ = os.RemoveAll(abs)
+		}()
+		assert.Nil(t, err)
+
+		_, err = execx.Run("go test "+abs, abs)
+		assert.Nil(t, err)
+	}
+}
+
+// test keyword go
+func TestRpcGenerateCaseGoOption(t *testing.T) {
+	dispatcher := NewDefaultGenerator()
+	if err := dispatcher.Prepare(); err == nil {
+		g := NewRpcGenerator(dispatcher)
+		abs, err := filepath.Abs("./test")
+		assert.Nil(t, err)
+
+		err = g.Generate("./test_go_option.proto", abs, nil)
+		defer func() {
+			_ = os.RemoveAll(abs)
+		}()
+		assert.Nil(t, err)
+
+		_, err = execx.Run("go test "+abs, abs)
+		assert.Nil(t, err)
+	}
+}
+
+func TestRpcGenerateCaseImport(t *testing.T) {
+	dispatcher := NewDefaultGenerator()
+	if err := dispatcher.Prepare(); err == nil {
+		g := NewRpcGenerator(dispatcher)
+		abs, err := filepath.Abs("./test")
+		assert.Nil(t, err)
+
+		err = g.Generate("./test_import.proto", abs, []string{"./base"})
+		defer func() {
+			_ = os.RemoveAll(abs)
+		}()
+		assert.Nil(t, err)
+
+		_, err = execx.Run("go test "+abs, abs)
+		assert.True(t, func() bool {
+			return strings.Contains(err.Error(), "package base is not in GOROOT")
+		}())
+	}
+}