feat(Go-StudyExample):2021/02/09:新增merge源码阅读和单测代码

example/merge/BaseUse_test.go

@@ -0,0 +1,66 @@
+/*
+ *  @Author : huangzj
+ *  @Time : 2021/2/2 11:37
+ *  @Description：
+ */
+
+package merge
+
+import (
+	"fmt"
+	"log"
+	"testing"
+
+	"github.com/imdario/mergo"
+)
+
+type redisConfig struct {
+	Address string
+	Port    int
+	DB      int
+}
+
+var defaultConfig = redisConfig{
+	Address: "127.0.0.1",
+	Port:    6381,
+	DB:      1,
+}
+
+//基础使用，如果被merge的对象字段有值则不覆盖
+func TestBaseUse(t *testing.T) {
+	var config redisConfig
+
+	if err := mergo.Merge(&config, defaultConfig); err != nil {
+		log.Fatal(err)
+	}
+
+	fmt.Println("redis address: ", config.Address)
+	fmt.Println("redis port: ", config.Port)
+	fmt.Println("redis db: ", config.DB)
+
+	var m = make(map[string]interface{})
+	if err := mergo.Map(&m, defaultConfig); err != nil {
+		log.Fatal(err)
+	}
+
+	fmt.Println(m)
+}
+
+//测试字段覆盖
+func TestOverride(t *testing.T) {
+	var config redisConfig
+
+	if err := mergo.Merge(&config, defaultConfig); err != nil {
+		log.Fatal(err)
+	}
+
+	fmt.Println("redis address: ", config.Address)
+	fmt.Println("redis port: ", config.Port)
+	fmt.Println("redis db: ", config.DB)
+
+	var m = make(map[string]interface{})
+	if err := mergo.Merge(&config, defaultConfig, mergo.WithOverride); err != nil {
+		log.Fatal(err)
+	}
+	fmt.Println(m)
+}