feat: implement function "split_with_delimiter" (#458)

internal/primitive/transform/action/strings/split_with_delimiter.go

@@ -0,0 +1,44 @@
+// Copyright 2023 Linkall Inc.
+//
+// Licensed 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 strings
+
+import (
+	"github.com/linkall-labs/vanus/internal/primitive/transform/action"
+	"github.com/linkall-labs/vanus/internal/primitive/transform/arg"
+	"github.com/linkall-labs/vanus/internal/primitive/transform/common"
+	"github.com/linkall-labs/vanus/internal/primitive/transform/function"
+)
+
+type splitWithDelimiterAction struct {
+	action.FunctionAction
+}
+
+// NewSplitWithDelimiterAction ["split_with_delimiter","sourceJsonPath", "delimiter", "targetJsonPath"].
+func NewSplitWithDelimiterAction() action.Action {
+	a := &splitWithDelimiterAction{}
+	a.CommonAction = action.CommonAction{
+		ActionName: "SPLIT_WITH_DELIMITER",
+		FixedArgs:  []arg.TypeList{arg.EventList, []arg.Type{arg.Constant}, []arg.Type{arg.EventData}},
+		Fn:         function.SplitWithSepFunction,
+	}
+	return a
+}
+
+func (a *splitWithDelimiterAction) Init(args []arg.Arg) error {
+	a.TargetArg = args[2]
+	a.Args = args[:2]
+	a.ArgTypes = []common.Type{common.String, common.String}
+	return nil
+}

internal/primitive/transform/action/strings/split_with_delimiter_test.go

@@ -0,0 +1,45 @@
+// Copyright 2023 Linkall Inc.
+//
+// Licensed 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 strings_test
+
+import (
+	"testing"
+
+	cetest "github.com/cloudevents/sdk-go/v2/test"
+	"github.com/linkall-labs/vanus/internal/primitive/transform/action/strings"
+	"github.com/linkall-labs/vanus/internal/primitive/transform/context"
+	"github.com/linkall-labs/vanus/internal/primitive/transform/runtime"
+	. "github.com/smartystreets/goconvey/convey"
+)
+
+func TestSplitWithDelimiterAction(t *testing.T) {
+	funcName := strings.NewSplitWithDelimiterAction().Name()
+	Convey("test split with delimiter", t, func() {
+		a, err := runtime.NewAction([]interface{}{funcName, "$.test", ",", "$.data.target"})
+		So(err, ShouldBeNil)
+		e := cetest.MinEvent()
+		data := map[string]interface{}{}
+		e.SetExtension("test", "one,two,three")
+		ceCtx := &context.EventContext{
+			Event: &e,
+			Data:  data,
+		}
+		err = a.Execute(ceCtx)
+		So(err, ShouldBeNil)
+		res, ok := data["target"]
+		So(ok, ShouldBeTrue)
+		So(res, ShouldResemble, []string{"one", "two", "three"})
+	})
+}

internal/primitive/transform/runtime/action_bench_test.go

@@ -79,4 +79,5 @@ func BenchmarkAction(b *testing.B) {
 	b.Run("replace_with_regex", actionBenchmark([]interface{}{"replace_with_regex", "$.data.str", "a", "Aa"}))
 	b.Run("capitalize_sentence", actionBenchmark([]interface{}{"capitalize_sentence", "$.data.str"}))
 	b.Run("check_custom_values", actionBenchmark([]interface{}{"check_custom_values", "$.data.str", "value", "$.data.target", "true", "false"}))
+	b.Run("split_with_delimiter", actionBenchmark([]interface{}{"split_with_delimiter", "$.data.str", "a", "$.data.target"}))
 }

internal/primitive/transform/runtime/init.go

@@ -54,6 +54,7 @@ func init() {
 		strings.NewCapitalizeSentenceAction,
 		strings.NewCheckCustomValuesAction,
 		strings.NewCapitalizeWordAction,
+		strings.NewSplitWithDelimiterAction,
 		// condition
 		condition.NewConditionIfAction,
 		// array