151 lines
3.4 KiB
Go
151 lines
3.4 KiB
Go
package reflux_test
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import (
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"fmt"
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"git.fsdpf.net/go/reflux"
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)
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// ExampleSet_errorMessages 演示设置失败时的详细错误信息
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func ExampleSet_errorMessages() {
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type Person struct {
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Name string
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Age int
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}
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p := &Person{Name: "Alice", Age: 30}
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r := reflux.New(p)
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// 示例1: 类型不匹配错误 - 显示原有类型和传入值的类型
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defer func() {
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if rec := recover(); rec != nil {
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fmt.Println("错误:", rec)
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// 输出类似: rfx: set failed at path 'Age': cannot convert value of type map[string]int to target type int: ...
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}
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}()
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// 尝试将 map 设置为 int 类型字段，会显示详细的类型转换错误
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r.Set("Age", map[string]int{"invalid": 123})
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}
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// ExampleSet_fieldNotFound 演示字段不存在的错误信息
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func ExampleSet_fieldNotFound() {
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type Person struct {
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Name string
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Age int
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}
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p := &Person{Name: "Bob", Age: 25}
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r := reflux.New(p)
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defer func() {
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if rec := recover(); rec != nil {
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fmt.Println(rec)
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// Output: rfx: set failed at path 'InvalidField': rfx: field not found, 'InvalidField' in struct reflux_test.Person
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}
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}()
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r.Set("InvalidField", "value")
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}
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// ExampleSet_sliceIndexOutOfRange 演示切片索引越界的错误信息
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func ExampleSet_sliceIndexOutOfRange() {
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type Data struct {
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Items []int
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}
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d := &Data{Items: []int{1, 2, 3}}
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r := reflux.New(d)
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defer func() {
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if rec := recover(); rec != nil {
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fmt.Println(rec)
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// Output: rfx: set failed at path 'Items.10': rfx: index out of range, slice index 10 (len=3)
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}
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}()
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r.Set("Items.10", 999)
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}
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// ExampleSet_unexportedField 演示未导出字段的错误信息
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func ExampleSet_unexportedField() {
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type Person struct {
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Name string
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age int // 未导出字段
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}
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p := &Person{Name: "Charlie"}
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r := reflux.New(p)
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defer func() {
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if rec := recover(); rec != nil {
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fmt.Println(rec)
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// Output: rfx: set failed at path 'age': rfx: cannot set value, field 'age' (type: int) (unexported or not addressable)
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}
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}()
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r.Set("age", 40)
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}
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// ExampleAppend_typeConversionError 演示 Append 时的类型转换错误
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func ExampleAppend_typeConversionError() {
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type Data struct {
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Items []int
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}
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d := &Data{Items: []int{1, 2, 3}}
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r := reflux.New(d).Get("Items")
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defer func() {
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if rec := recover(); rec != nil {
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fmt.Println(rec)
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// Output: rfx: failed to append item at index 0 to slice: cannot convert value of type map[string]int to target type int: ...
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}
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}()
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// 尝试追加无法转换为 int 的 map
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r.Append(map[string]int{"invalid": 123})
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}
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// ExampleSet_nestedPathError 演示嵌套路径中的错误信息
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func ExampleSet_nestedPathError() {
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type Address struct {
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City string
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}
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type Person struct {
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Name string
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Address Address
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}
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p := &Person{
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Name: "David",
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Address: Address{City: "NYC"},
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}
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r := reflux.New(p)
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defer func() {
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if rec := recover(); rec != nil {
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fmt.Println(rec)
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// Output: rfx: set failed at path 'Address.Country': rfx: field not found, 'Country' in struct reflux_test.Address
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}
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}()
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r.Set("Address.Country", "USA")
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}
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// ExampleSet_successfulTypeConversion 演示成功的类型转换
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func ExampleSet_successfulTypeConversion() {
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type Person struct {
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Name string
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Age int
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}
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p := &Person{Name: "Eve", Age: 20}
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r := reflux.New(p)
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// 字符串 "30" 可以成功转换为 int
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r.Set("Age", "30")
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fmt.Printf("Name: %s, Age: %d\n", p.Name, p.Age)
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// Output: Name: Eve, Age: 30
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}
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