Huangzj
96 lines
2.2 KiB
Go
96 lines
2.2 KiB
Go
/*
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* @Author : huangzj
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* @Time : 2020/12/30 15:21
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* @Description：测试未导出字段
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*/
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package go_cmp
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import (
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"fmt"
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"github.com/google/go-cmp/cmp"
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"github.com/google/go-cmp/cmp/cmpopts"
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"reflect"
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"testing"
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)
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//自定义是否比较未导出字段，这个方法和上面的很类似，都是必须制定相应的结构体
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func TestDiyExportMethod(t *testing.T) {
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u1 := User2{"dj", 18, Address{}}
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u2 := User2{"dj", 18, Address{}}
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fmt.Println("u1 equals u2?", cmp.Equal(u1, u2, cmp.Exporter(allowUnExportedInType)))
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}
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//测试只忽略当前对象的未导出属性
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func TestExportOne(t *testing.T) {
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c1 := Contactx{Phone: "123456789", Email: "dj@example.com"}
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c2 := Contactx{Phone: "123456789", Email: "dj@example.com"}
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u1 := Userx{"dj", 18, c1}
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u2 := Userx{"dj", 18, c2}
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//i think 通过 IgnoreUnexported 这个属性可以实现忽略具体类型的未导出字段，但是好像没办法忽略 【指针类型】 的未导出字段
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fmt.Println("u1 equals u2?", cmp.Equal(u1, u2, cmpopts.IgnoreUnexported(Userx{})))
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}
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//结构体中有未导出字段的时候,通过Equal进行比较的时候，会报错，除非设置忽略
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func TestExportError(t *testing.T) {
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c1 := &Contact1{Phone: "123456789", Email: "dj@example.com"}
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c2 := &Contact1{Phone: "123456789", Email: "dj@example.com"}
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u1 := User1{"dj", 18, c1}
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u2 := User1{"dj", 18, c2}
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fmt.Println("u1 equals u2?", cmp.Equal(u1, u2))
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}
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//使用 【IgnoreUnexported】,但是在结构体下层还有其他非导出的字段也会报错，这个字段没办法深入到里面
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func TestExportError2(t *testing.T) {
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u11 := User2{"dj", 18, Address{}}
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u22 := User2{"dj", 18, Address{}}
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fmt.Println("u1 equals u2?", cmp.Equal(u11, u22, cmpopts.IgnoreUnexported(User2{})))
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}
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func allowUnExportedInType(t reflect.Type) bool {
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if t.Name() == "Address" {
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return true
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}
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return false
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}
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type Contactx struct {
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Phone string
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Email string
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}
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type Userx struct {
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Name string
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Age int
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contact Contactx //注意这边是结构体
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}
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type Contact1 struct {
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Phone string
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Email string
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}
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type User1 struct {
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Name string
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Age int
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contact *Contact1
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}
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type Address struct {
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Province string
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city string
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}
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type User2 struct {
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Name string
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Age int
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Address Address
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}
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