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feat: add transformer function condition if (#353)
Signed-off-by: delu <[email protected]> Signed-off-by: delu <[email protected]>
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85 changes: 85 additions & 0 deletions
85
internal/primitive/transform/action/condition_if_action.go
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,85 @@ | ||
| // Copyright 2022 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 action | ||
|
|
||
| import ( | ||
| "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/context" | ||
| "github.com/pkg/errors" | ||
| ) | ||
|
|
||
| type conditionIfAction struct { | ||
| commonAction | ||
| } | ||
|
|
||
| // ["condition_if","$.targetPath","$.path","op","compareValue","trueValue","falseValue"] | ||
| // op must be string and only support ==,>=,>,<=,< . | ||
| func newConditionIfAction() Action { | ||
| return &conditionIfAction{ | ||
| commonAction{ | ||
| name: "CONDITION_IF", | ||
| fixedArgs: []arg.TypeList{arg.EventList, arg.All, arg.All, arg.All, arg.All, arg.All}, | ||
| }, | ||
| } | ||
| } | ||
|
|
||
| func (a *conditionIfAction) Init(args []arg.Arg) error { | ||
| a.targetArg = args[0] | ||
| a.args = args[1:] | ||
| return nil | ||
| } | ||
|
|
||
| func (a *conditionIfAction) Execute(ceCtx *context.EventContext) error { | ||
| v, err := a.args[1].Evaluate(ceCtx) | ||
| if err != nil { | ||
| return errors.Wrapf(err, "arg %s evaluate error", a.args[1].Original()) | ||
| } | ||
| op, ok := v.(string) | ||
| if !ok { | ||
| return errors.New("op type must be string") | ||
| } | ||
| if op == "==" { | ||
| a.argTypes = []common.Type{common.String, common.String, common.String, common.Any, common.Any} | ||
| } else { | ||
| switch op { | ||
| case ">=", ">", "<=", "<": | ||
| a.argTypes = []common.Type{common.Number, common.String, common.Number, common.Any, common.Any} | ||
| default: | ||
| return errors.Errorf("not support op [%s]", op) | ||
| } | ||
| } | ||
| args, err := a.runArgs(ceCtx) | ||
| if err != nil { | ||
| return err | ||
| } | ||
| var result bool | ||
| switch op { | ||
| case "==": | ||
| result = args[0] == args[2] | ||
| case ">=": | ||
| result = args[0].(float64) >= args[2].(float64) | ||
| case ">": | ||
| result = args[0].(float64) > args[2].(float64) | ||
| case "<=": | ||
| result = args[0].(float64) <= args[2].(float64) | ||
| case "<": | ||
| result = args[0].(float64) < args[2].(float64) | ||
| } | ||
| if result { | ||
| return a.targetArg.SetValue(ceCtx, args[3]) | ||
| } | ||
| return a.targetArg.SetValue(ceCtx, args[4]) | ||
| } |
103 changes: 103 additions & 0 deletions
103
internal/primitive/transform/action/condition_if_action_test.go
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,103 @@ | ||
| // Copyright 2022 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 action | ||
|
|
||
| import ( | ||
| "testing" | ||
|
|
||
| "github.com/linkall-labs/vanus/internal/primitive/transform/context" | ||
| . "github.com/smartystreets/goconvey/convey" | ||
| ) | ||
|
|
||
| func TestConditionIfAction(t *testing.T) { | ||
| Convey("test condition if ==", t, func() { | ||
| Convey("test string", func() { | ||
| a, err := NewAction([]interface{}{newConditionIfAction().Name(), "$.test2", "$.test", "==", "test", true, false}) | ||
| So(err, ShouldBeNil) | ||
| e := newEvent() | ||
| e.SetExtension("test", "test") | ||
| err = a.Execute(&context.EventContext{ | ||
| Event: e, | ||
| }) | ||
| So(err, ShouldBeNil) | ||
| So(e.Extensions()["test2"], ShouldEqual, true) | ||
| }) | ||
| Convey("test number", func() { | ||
| a, err := NewAction([]interface{}{newConditionIfAction().Name(), "$.test2", "$.test", "==", 123, true, false}) | ||
| So(err, ShouldBeNil) | ||
| e := newEvent() | ||
| e.SetExtension("test", 123) | ||
| err = a.Execute(&context.EventContext{ | ||
| Event: e, | ||
| }) | ||
| So(err, ShouldBeNil) | ||
| So(e.Extensions()["test2"], ShouldEqual, true) | ||
| }) | ||
| }) | ||
| Convey("test condition >=", t, func() { | ||
| a, err := NewAction([]interface{}{newConditionIfAction().Name(), "$.test2", "$.test", ">=", int32(123), true, false}) | ||
| So(err, ShouldBeNil) | ||
| e := newEvent() | ||
| e.SetExtension("test", "456") | ||
| err = a.Execute(&context.EventContext{ | ||
| Event: e, | ||
| }) | ||
| So(err, ShouldBeNil) | ||
| So(e.Extensions()["test2"], ShouldEqual, true) | ||
| }) | ||
| Convey("test condition >", t, func() { | ||
| a, err := NewAction([]interface{}{newConditionIfAction().Name(), "$.test2", "$.test", ">", int32(123), true, false}) | ||
| So(err, ShouldBeNil) | ||
| e := newEvent() | ||
| e.SetExtension("test", 456) | ||
| err = a.Execute(&context.EventContext{ | ||
| Event: e, | ||
| }) | ||
| So(err, ShouldBeNil) | ||
| So(e.Extensions()["test2"], ShouldEqual, true) | ||
| }) | ||
| Convey("test condition <=", t, func() { | ||
| a, err := NewAction([]interface{}{newConditionIfAction().Name(), "$.test2", "$.test", "<=", "123", true, false}) | ||
| So(err, ShouldBeNil) | ||
| e := newEvent() | ||
| e.SetExtension("test", 456) | ||
| err = a.Execute(&context.EventContext{ | ||
| Event: e, | ||
| }) | ||
| So(err, ShouldBeNil) | ||
| So(e.Extensions()["test2"], ShouldEqual, false) | ||
| }) | ||
| Convey("test condition <", t, func() { | ||
| a, err := NewAction([]interface{}{newConditionIfAction().Name(), "$.test2", "$.test", "<", "123", true, false}) | ||
| So(err, ShouldBeNil) | ||
| e := newEvent() | ||
| e.SetExtension("test", 456) | ||
| err = a.Execute(&context.EventContext{ | ||
| Event: e, | ||
| }) | ||
| So(err, ShouldBeNil) | ||
| So(e.Extensions()["test2"], ShouldEqual, false) | ||
| }) | ||
| Convey("test condition unDefine op invalid", t, func() { | ||
| a, err := NewAction([]interface{}{newConditionIfAction().Name(), "$.test2", "$.test", "<==", "123", true, false}) | ||
| So(err, ShouldBeNil) | ||
| e := newEvent() | ||
| e.SetExtension("test", 456) | ||
| err = a.Execute(&context.EventContext{ | ||
| Event: e, | ||
| }) | ||
| So(err, ShouldNotBeNil) | ||
| }) | ||
| } |
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