merge_test.go

// #############################################################################
// # File: merge_test.go                                                       #
// # Project: mergejson                                                        #
// # Created Date: 2023/10/09 09:42:56                                         #
// # Author: realjf                                                            #
// # -----                                                                     #
// # Last Modified: 2023/10/09 10:30:53                                        #
// # Modified By: realjf                                                       #
// # -----                                                                     #
// # Copyright (c) 2023 realjf                                                 #
// #############################################################################
package mergejson_test

import (
	"fmt"
	"testing"

	"github.com/realjf/mergejson"
)

func TestMergeJson(t *testing.T) {
	// merge map: same key name but different value
	a, err := mergejson.MergeJson([]byte(`{"user":{ "name": "hello" }}`), []byte(`{"user":{ "name": "world" }}`))
	if err != nil {
		t.Fatal(err)
		return
	}
	fmt.Printf("same key name but different value: %s\n", a)

	// merge map: same map but a different number of keys(src < dst)
	a1, err := mergejson.MergeJson([]byte(`{"user":{ "name": "hello" }}`), []byte(`{"user":{ "name": "world", "age": 12 }}`))
	if err != nil {
		t.Fatal(err)
		return
	}
	fmt.Printf("same key name but a different number of keys(src < dst): %s\n", a1)

	// merge map: same key name but a different number of keys(src > dst)
	a2, err := mergejson.MergeJson([]byte(`{"user":{ "name": "hello", "age": 12}}`), []byte(`{"user":{ "name": "world" }}`))
	if err != nil {
		t.Fatal(err)
		return
	}
	fmt.Printf("same key name but a different number of keys(src > dst): %s\n", a2)

	// merge slice
	a3, err := mergejson.MergeJson([]byte(`{"user":{ "name": "hello", "lucky_num": [1,2,3,4]}}`), []byte(`{"user":{ "name": "world", "lucky_num": [5,6,7]}}`))
	if err != nil {
		t.Fatal(err)
		return
	}
	fmt.Printf("same key name but a different number of keys(src > dst): %s\n", a3)
}