github.com/alibaba/ilogtail/pkg@v0.0.0-20250526110833-c53b480d046c/fmtstr/formatstring_test.go (about)

     1  // Copyright 2023 iLogtail Authors
     2  //
     3  // Licensed under the Apache License, Version 2.0 (the "License");
     4  // you may not use this file except in compliance with the License.
     5  // You may obtain a copy of the License at
     6  //
     7  //      http://www.apache.org/licenses/LICENSE-2.0
     8  //
     9  // Unless required by applicable law or agreed to in writing, software
    10  // distributed under the License is distributed on an "AS IS" BASIS,
    11  // WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
    12  // See the License for the specific language governing permissions and
    13  // limitations under the License.
    14  
    15  package fmtstr
    16  
    17  import (
    18  	"testing"
    19  
    20  	"github.com/stretchr/testify/assert"
    21  )
    22  
    23  func TestFormatString(t *testing.T) {
    24  	topic := "kafka_%{app_name}"
    25  	fields := map[string]string{
    26  		"app_name": "ilogtail",
    27  	}
    28  
    29  	expectTopic := "kafka_ilogtail"
    30  
    31  	sf, _ := Compile(topic, func(key string, ops []VariableOp) (FormatEvaler, error) {
    32  		if v, found := fields[key]; found {
    33  			return StringElement{v}, nil
    34  		}
    35  		return StringElement{key}, nil
    36  	})
    37  	actualTopic, _ := sf.Run(nil)
    38  
    39  	assert.Equal(t, expectTopic, actualTopic)
    40  }
    41  
    42  func TestCompileKeys(t *testing.T) {
    43  	topic := "kafka_%{app_name}"
    44  	expectTopicKeys := []string{"app_name"}
    45  	topicKeys, _ := CompileKeys(topic)
    46  	assert.Equal(t, expectTopicKeys, topicKeys)
    47  }