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test_jsonpath_example_test.go
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102 lines (96 loc) · 2.44 KB
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package jsonpath_test
import (
"encoding/json"
"fmt"
"reflect"
"github.com/AsaiYusuke/jsonpath/v2"
)
func Example() {
jsonPath, srcJSON := `$.key`, `{"key":"value"}`
var src any
json.Unmarshal([]byte(srcJSON), &src)
output, _ := jsonpath.Retrieve(jsonPath, src)
outputJSON, _ := json.Marshal(output)
fmt.Println(string(outputJSON))
// Output:
// ["value"]
}
func ExampleRetrieve() {
jsonPath, srcJSON := `$.key`, `{"key":"value"}`
var src any
json.Unmarshal([]byte(srcJSON), &src)
output, err := jsonpath.Retrieve(jsonPath, src)
if err != nil {
fmt.Printf(`type: %v, value: %v`, reflect.TypeOf(err), err)
return
}
outputJSON, _ := json.Marshal(output)
fmt.Println(string(outputJSON))
// Output:
// ["value"]
}
func ExampleParse() {
jsonPath := `$.key`
srcJSON1 := `{"key":"value1"}`
srcJSON2 := `{"key":"value2"}`
jsonPathParser, err := jsonpath.Parse(jsonPath)
if err != nil {
fmt.Printf(`type: %v, value: %v`, reflect.TypeOf(err), err)
return
}
var src1, src2 any
json.Unmarshal([]byte(srcJSON1), &src1)
json.Unmarshal([]byte(srcJSON2), &src2)
output1, err := jsonPathParser(src1)
if err != nil {
fmt.Printf(`type: %v, value: %v`, reflect.TypeOf(err), err)
return
}
output2, err := jsonPathParser(src2)
if err != nil {
fmt.Printf(`type: %v, value: %v`, reflect.TypeOf(err), err)
return
}
outputJSON1, _ := json.Marshal(output1)
outputJSON2, _ := json.Marshal(output2)
fmt.Println(string(outputJSON1))
fmt.Println(string(outputJSON2))
// Output:
// ["value1"]
// ["value2"]
}
func ExampleParse_reuseBuffer() {
jsonPath := `$.key`
srcJSON1 := `{"key":"value1"}`
srcJSON2 := `{"key":"value2"}`
jsonPathParser, err := jsonpath.Parse(jsonPath)
if err != nil {
fmt.Printf(`type: %v, value: %v`, reflect.TypeOf(err), err)
return
}
var src1, src2 any
json.Unmarshal([]byte(srcJSON1), &src1)
json.Unmarshal([]byte(srcJSON2), &src2)
buf := make([]any, 0, 4)
args := []*[]any{&buf}
output1, err := jsonPathParser(src1, args...)
if err != nil {
fmt.Printf(`type: %v, value: %v`, reflect.TypeOf(err), err)
return
}
output2, err := jsonPathParser(src2, args...)
if err != nil {
fmt.Printf(`type: %v, value: %v`, reflect.TypeOf(err), err)
return
}
outputJSON1, _ := json.Marshal(output1)
outputJSON2, _ := json.Marshal(output2)
bufJSON, _ := json.Marshal(buf)
fmt.Println(string(outputJSON1))
fmt.Println(string(outputJSON2))
fmt.Println(string(bufJSON))
// Output:
// ["value2"]
// ["value2"]
// ["value2"]
}