How to use copyWithHooks method of td Package

Best Go-testdeep code snippet using td.copyWithHooks

t_struct.go

Source:t_struct.go Github

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...342 return &new343 }344 }345 // Enable UseEqual only for types types346 t = t.copyWithHooks()347 err := t.Config.hooks.AddUseEqual(types)348 if err != nil {349 t.Helper()350 t.Fatal(color.Bad("UseEqual " + err.Error()))351 }352 return t353}354// BeLax allows to compare different but convertible types. If set to355// false, got and expected types must be the same. If set to true and356// expected type is convertible to got one, expected is first357// converted to go type before its comparison. See [CmpLax] or358// [T.CmpLax] and [Lax] operator to set this flag without providing a359// specific configuration.360//361// It returns a new instance of [*T] so does not alter the original t.362//363// Note that t.BeLax() acts as t.BeLax(true).364func (t *T) BeLax(enable ...bool) *T {365 new := *t366 new.Config.BeLax = len(enable) == 0 || enable[0]367 return &new368}369// IgnoreUnexported tells go-testdeep to ignore unexported fields of370// structs whose type is one of types.371//372// It always returns a new instance of [*T] so does not alter the original t.373//374// t = t.IgnoreUnexported(MyStruct1{}, MyStruct2{})375//376// types items can also be [reflect.Type] items. In this case, the377// target type is the one reflected by the [reflect.Type].378//379// t = t.IgnoreUnexported(reflect.TypeOf(MyStruct1{}))380//381// As a special case, calling t.IgnoreUnexported() or382// t.IgnoreUnexported(true) returns an instance ignoring unexported383// fields globally, for all struct types. t.IgnoreUnexported(false)384// returns an instance not ignoring unexported fields anymore, except385// for types already recorded using a previous IgnoreUnexported call.386func (t *T) IgnoreUnexported(types ...any) *T {387 // special case: IgnoreUnexported()388 if len(types) == 0 {389 new := *t390 new.Config.IgnoreUnexported = true391 return &new392 }393 // special cases: IgnoreUnexported(true) or IgnoreUnexported(false)394 if len(types) == 1 {395 if ignore, ok := types[0].(bool); ok {396 new := *t397 new.Config.IgnoreUnexported = ignore398 return &new399 }400 }401 // Enable IgnoreUnexported only for types types402 t = t.copyWithHooks()403 err := t.Config.hooks.AddIgnoreUnexported(types)404 if err != nil {405 t.Helper()406 t.Fatal(color.Bad("IgnoreUnexported " + err.Error()))407 }408 return t409}410// Cmp is mostly a shortcut for:411//412// Cmp(t.TB, got, expected, args...)413//414// with the exception that t.Config is used to configure the test415// [ContextConfig].416//...

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t_hooks.go

Source:t_hooks.go Github

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...76// See also [T.WithSmuggleHooks].77//78// [UseEqual]: https://pkg.go.dev/github.com/maxatome/go-testdeep/td#ContextConfig.UseEqual79func (t *T) WithCmpHooks(fns ...any) *T {80 t = t.copyWithHooks()81 err := t.Config.hooks.AddCmpHooks(fns)82 if err != nil {83 t.Helper()84 t.Fatal(color.Bad("WithCmpHooks " + err.Error()))85 }86 return t87}88// WithSmuggleHooks returns a new [*T] instance with new Smuggle hooks89// recorded using functions passed in fns.90//91// Each function in fns has to be a function with the following92// possible signatures:93//94// func (got A) B95// func (got A) (B, error)96//97// A cannot be an interface. This restriction can be removed in the98// future, if really needed.99//100// B cannot be an interface. If you have a use case, we can talk about it.101//102// This function is called as soon as possible each time the type A is103// encountered for got.104//105// The B value returned replaces the got value for subsequent tests.106// Smuggle hooks are NOT run again for this returned value to avoid107// easy infinite loop recursion.108//109// When it returns non-nil error (meaning something wrong happened110// during the conversion of A to B), it raises a global error and its111// content is used to tell the reason of the failure.112//113// Smuggle hooks are run just before Cmp hooks.114//115// func TestSmuggleHook(tt *testing.T) {116// t := td.NewT(tt)117//118// // Each encountered int is changed to a bool119// t = t.WithSmuggleHooks(func (got int) bool {120// return got != 0121// })122// t.Cmp(map[string]int{"ok": 1, "no": 0},123// map[string]bool{"ok", true, "no", false}) // succeeds124//125// // Each encountered string is converted to int126// t = t.WithSmuggleHooks(strconv.Atoi)127// t.Cmp("123", 123) // succeeds128//129// // Several hooks can be declared at once130// t = t.WithSmuggleHooks(131// func (got int) bool { return got != 0 },132// strconv.Atoi,133// )134// }135//136// There is no way to add or remove hooks of an existing [*T]137// instance, only create a new [*T] instance with this method or138// [T.WithCmpHooks] to add some.139//140// WithSmuggleHooks calls t.Fatal if an item of fns is not a141// function or if its signature does not match the expected ones.142//143// See also [T.WithCmpHooks].144func (t *T) WithSmuggleHooks(fns ...any) *T {145 t = t.copyWithHooks()146 err := t.Config.hooks.AddSmuggleHooks(fns)147 if err != nil {148 t.Helper()149 t.Fatal(color.Bad("WithSmuggleHooks " + err.Error()))150 }151 return t152}153func (t *T) copyWithHooks() *T {154 nt := NewT(t)155 nt.Config.hooks = t.Config.hooks.Copy()156 return nt157}

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copyWithHooks

Using AI Code Generation

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1import (2func main() {3 client := telegram.NewClient(4 telegram.Config{5 APIID: os.Getenv("TD_API_ID"),6 APIHash: os.Getenv("TD_API_HASH"),7 Logger: log.New(os.Stdout, "", log.LstdFlags),8 },9 ctx := client.Context()10 authState, err := client.AuthState(ctx)11 if err != nil {12 panic(err)13 }14 if authState.GetAuthorizationStateEnum() != tg.AuthorizationStateReadyType {15 updates, err := client.Updates(ctx)16 if err != nil {17 panic(err)18 }19 for update := range updates {20 switch update := update.(type) {21 if update.AuthorizationState.GetAuthorizationStateEnum() == tg.AuthorizationStateReadyType {22 }23 }24 }25 }26 q := query.NewGetChats(&tg.ChatListMain{}, 0, 0, 100)27 chats, err := client.SendAndCatch(ctx, q)28 if err != nil {29 panic(err)30 }31 fmt.Println(chats)32 updates, err := client.Updates(ctx)33 if err != nil {34 panic(err)35 }36 for update := range updates {37 switch update := update.(type) {38 fmt.Println(update.Message)39 }40 }41}42import (

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copyWithHooks

Using AI Code Generation

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1import (2type td struct {3}4func (t td) copyWithHooks() *td {5 return &td{name: t.name}6}7func main() {8 t := td{name: "test"}9 fmt.Println(reflect.TypeOf(t))10 fmt.Println(reflect.TypeOf(t.copyWithHooks()))11}12import (13type td struct {14}15func (t *td) copyWithHooks() *td {16 return &td{name: t.name}17}18func main() {19 t := td{name: "test"}20 fmt.Println(reflect.TypeOf(t))21 fmt.Println(reflect.TypeOf(t.copyWithHooks()))22}

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copyWithHooks

Using AI Code Generation

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1func main() {2 td := NewTD()3 td.SetData(1)4 td.SetData(2)5 td.SetData(3)6 td.SetData(4)7 td.SetData(5)8 td.SetData(6)9 td.SetData(7)10 td.SetData(8)11 td.SetData(9)12 td.SetData(10)13 td.SetData(11)14 td.SetData(12)15 td.SetData(13)16 td.SetData(14)17 td.SetData(15)18 td.SetData(16)19 td.SetData(17)20 td.SetData(18)21 td.SetData(19)22 td.SetData(20)23 fmt.Println(td.GetData())24}25func TestCopyWithHooks(t *testing.T) {26 td := NewTD()27 td.SetData(1)28 td.SetData(2)29 td.SetData(3)30 td.SetData(4)31 td.SetData(5)32 td.SetData(6)33 td.SetData(7)34 td.SetData(8)35 td.SetData(9)36 td.SetData(10)37 td.SetData(11)38 td.SetData(12)39 td.SetData(13)40 td.SetData(14)41 td.SetData(15)42 td.SetData(16)43 td.SetData(17)44 td.SetData(18)45 td.SetData(19)46 td.SetData(20)47 td.SetData(21)48 td.SetData(22)49 td.SetData(23)50 td.SetData(24)51 td.SetData(25)52 td.SetData(26)53 td.SetData(27)54 td.SetData(28)55 td.SetData(29)56 td.SetData(30)57 td.SetData(31)58 td.SetData(32)59 td.SetData(33)60 td.SetData(34)61 td.SetData(35)62 td.SetData(36)63 td.SetData(37)64 td.SetData(38)65 td.SetData(39)66 td.SetData(40)67 td.SetData(41)68 td.SetData(42)69 td.SetData(43)

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copyWithHooks

Using AI Code Generation

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1import (2func main() {3 td := new(TD)4 td.setTD(3, 4, 5)5 fmt.Println("td = ", td)6 td2 := td.copyWithHooks()7 fmt.Println("td2 = ", td2)8}9td = &{3 4 5}10td2 = &{3 4 5}11import (12func main() {13 td := new(TD)14 td.setTD(3, 4, 5)15 fmt.Println("td = ", td)16 td2 := td.copyWithHooks()17 fmt.Println("td2 = ", td2)18 td.setTD(10, 20, 30)19 fmt.Println("td = ", td)20 fmt.Println("td2 = ", td2)21}22td = &{3 4 5}23td2 = &{3 4 5}24td = &{10 20 30}25td2 = &{3 4 5}26import (27func main() {28 td := new(TD)29 td.setTD(3, 4, 5)30 fmt.Println("td = ", td)31 td2 := td.copyWithHooks()32 fmt.Println("td2 = ", td2)33 td.setTD(

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copyWithHooks

Using AI Code Generation

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1import (2type td struct {3}4func (t *td) copyWithHooks() interface{} {5 newVal := reflect.New(reflect.TypeOf(t).Elem())6 oldVal := reflect.ValueOf(t).Elem()7 newVal.Elem().Set(oldVal)8 for i := 0; i < newVal.NumMethod(); i++ {9 method := newVal.Type().Method(i)10 if strings.HasPrefix(method.Name, "hook") {11 newVal.MethodByName(method.Name).Call([]reflect.Value{})12 }13 }14 return newVal.Interface()15}16func (t *td) hook1() {17 fmt.Println("hook1 called")18}19func (t *td) hook2() {20 fmt.Println("hook2 called")21}22func main() {23 t := &td{Name: "test"}24 t2 := t.copyWithHooks().(*td)25 fmt.Println(t2.Name)26}

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