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How to use DoAnchorsPersist method of td Package

Best Go-testdeep code snippet using td.DoAnchorsPersist

t_anchor.go

Source:t_anchor.go

...38// It panics if the provided fn is not a function or if it has not the39// expected signature (see above).40//41// See also [T.Anchor], [T.AnchorsPersistTemporarily],42// [T.DoAnchorsPersist], [T.ResetAnchors] and [T.SetAnchorsPersist].43func AddAnchorableStructType(fn any) {44	err := anchors.AddAnchorableStructType(fn)45	if err != nil {46		panic(color.Bad(err.Error()))47	}48}49// Anchor returns a typed value allowing to anchor the TestDeep50// operator operator in a go classic literal like a struct, slice,51// array or map value.52//53// If the TypeBehind method of operator returns non-nil, model can be54// omitted (like with [Between] operator in the example55// below). Otherwise, model should contain only one value56// corresponding to the returning type. It can be:57//   - a go value: returning type is the type of the value,58//     whatever the value is;59//   - a [reflect.Type].60//61// It returns a typed value ready to be embed in a go data structure to62// be compared using [T.Cmp] or [T.CmpLax]:63//64//	import (65//	  "testing"66//67//	  "github.com/maxatome/go-testdeep/td"68//	)69//70//	func TestFunc(tt *testing.T) {71//	  got := Func()72//73//	  t := td.NewT(tt)74//	  t.Cmp(got, &MyStruct{75//	    Name:    "Bob",76//	    Details: &MyDetails{77//	      Nick: t.Anchor(td.HasPrefix("Bobby"), "").(string),78//	      Age:  t.Anchor(td.Between(40, 50)).(int),79//	    },80//	  })81//	}82//83// In this example:84//85//   - [HasPrefix] operates on several input types (string,86//     [fmt.Stringer], error, â¦), so its TypeBehind method returns always87//     nil as it can not guess in advance on which type it operates. In88//     this case, we must pass "" as model parameter in order to tell it89//     to return the string type. Note that the .(string) type assertion90//     is then mandatory to conform to the strict type checking.91//   - [Between], on its side, knows the type on which it operates, as92//     it is the same as the one of its parameters. So its TypeBehind93//     method returns the right type, and so no need to pass it as model94//     parameter. Note that the .(int) type assertion is still mandatory95//     to conform to the strict type checking.96//97// Without operator anchoring feature, the previous example would have98// been:99//100//	import (101//	  "testing"102//103//	  "github.com/maxatome/go-testdeep/td"104//	)105//106//	func TestFunc(tt *testing.T) {107//	  got := Func()108//109//	  t := td.NewT(tt)110//	  t.Cmp(got, td.Struct(&MyStruct{Name: "Bob"},111//	    td.StructFields{112//	    "Details": td.Struct(&MyDetails{},113//	      td.StructFields{114//	        "Nick": td.HasPrefix("Bobby"),115//	        "Age":  td.Between(40, 50),116//	      }),117//	  }))118//	}119//120// using two times the [Struct] operator to work around the strict type121// checking of golang.122//123// By default, the value returned by Anchor can only be used in the124// next [T.Cmp] or [T.CmpLax] call. To make it persistent across calls,125// see [T.SetAnchorsPersist] and [T.AnchorsPersistTemporarily] methods.126//127// See [T.A] method for a shorter synonym of Anchor.128//129// See also [T.AnchorsPersistTemporarily], [T.DoAnchorsPersist],130// [T.ResetAnchors], [T.SetAnchorsPersist] and [AddAnchorableStructType].131func (t *T) Anchor(operator TestDeep, model ...any) any {132	if operator == nil {133		t.Helper()134		t.Fatal(color.Bad("Cannot anchor a nil TestDeep operator"))135	}136	var typ reflect.Type137	if len(model) > 0 {138		if len(model) != 1 {139			t.Helper()140			t.Fatal(color.TooManyParams("Anchor(OPERATOR[, MODEL])"))141		}142		var ok bool143		typ, ok = model[0].(reflect.Type)144		if !ok {145			typ = reflect.TypeOf(model[0])146			if typ == nil {147				t.Helper()148				t.Fatal(color.Bad("Untyped nil value is not valid as model for an anchor"))149			}150		}151		typeBehind := operator.TypeBehind()152		if typeBehind != nil && typeBehind != typ {153			t.Helper()154			t.Fatal(color.Bad("Operator %s TypeBehind() returned %s which differs from model type %s. Omit model or ensure its type is %[2]s",155				operator.GetLocation().Func, typeBehind, typ))156		}157	} else {158		typ = operator.TypeBehind()159		if typ == nil {160			t.Helper()161			t.Fatal(color.Bad("Cannot anchor operator %s as TypeBehind() returned nil. Use model parameter to specify the type to return",162				operator.GetLocation().Func))163		}164	}165	nvm, err := t.Config.anchors.AddAnchor(typ, reflect.ValueOf(operator))166	if err != nil {167		t.Helper()168		t.Fatal(color.Bad(err.Error()))169	}170	return nvm.Interface()171}172// A is a synonym for [T.Anchor].173//174//	import (175//	  "testing"176//177//	  "github.com/maxatome/go-testdeep/td"178//	)179//180//	func TestFunc(tt *testing.T) {181//	  got := Func()182//183//	  t := td.NewT(tt)184//	  t.Cmp(got, &MyStruct{185//	    Name:    "Bob",186//	    Details: &MyDetails{187//	      Nick: t.A(td.HasPrefix("Bobby"), "").(string),188//	      Age:  t.A(td.Between(40, 50)).(int),189//	    },190//	  })191//	}192//193// See also [T.AnchorsPersistTemporarily], [T.DoAnchorsPersist],194// [T.ResetAnchors], [T.SetAnchorsPersist] and [AddAnchorableStructType].195func (t *T) A(operator TestDeep, model ...any) any {196	t.Helper()197	return t.Anchor(operator, model...)198}199func (t *T) resetNonPersistentAnchors() {200	t.Config.anchors.ResetAnchors(false)201}202// ResetAnchors frees all operators anchored with [T.Anchor]203// method. Unless operators anchoring persistence has been enabled204// with [T.SetAnchorsPersist], there is no need to call this205// method. Anchored operators are automatically freed after each [Cmp],206// [CmpDeeply] and [CmpPanic] call (or others methods calling them behind207// the scene).208//209// See also [T.Anchor], [T.AnchorsPersistTemporarily],210// [T.DoAnchorsPersist], [T.SetAnchorsPersist] and [AddAnchorableStructType].211func (t *T) ResetAnchors() {212	t.Config.anchors.ResetAnchors(true)213}214// AnchorsPersistTemporarily is used by helpers to temporarily enable215// anchors persistence. See [tdhttp] package for an example of use. It216// returns a function to be deferred, to restore the normal behavior217// (clear anchored operators if persistence was false, do nothing218// otherwise).219//220// Typically used as:221//222//	defer t.AnchorsPersistTemporarily()()223//	// or224//	t.Cleanup(t.AnchorsPersistTemporarily())225//226// See also [T.Anchor], [T.DoAnchorsPersist], [T.ResetAnchors],227// [T.SetAnchorsPersist] and [AddAnchorableStructType].228//229// [tdhttp]: https://pkg.go.dev/github.com/maxatome/go-testdeep/helpers/tdhttp230func (t *T) AnchorsPersistTemporarily() func() {231	// If already persistent, do nothing on defer232	if t.DoAnchorsPersist() {233		return func() {}234	}235	t.SetAnchorsPersist(true)236	return func() {237		t.SetAnchorsPersist(false)238		t.Config.anchors.ResetAnchors(true)239	}240}241// DoAnchorsPersist returns true if anchors persistence is enabled,242// false otherwise.243//244// See also [T.Anchor], [T.AnchorsPersistTemporarily],245// [T.ResetAnchors], [T.SetAnchorsPersist] and [AddAnchorableStructType].246func (t *T) DoAnchorsPersist() bool {247	return t.Config.anchors.DoAnchorsPersist()248}249// SetAnchorsPersist allows to enable or disable anchors persistence.250//251// See also [T.Anchor], [T.AnchorsPersistTemporarily],252// [T.DoAnchorsPersist], [T.ResetAnchors] and [AddAnchorableStructType].253func (t *T) SetAnchorsPersist(persist bool) {254	t.Config.anchors.SetAnchorsPersist(persist)255}256func (t *T) initAnchors() {257	if t.Config.anchors != nil {258		return259	}260	name := t.Name()261	allAnchorsMu.Lock()262	defer allAnchorsMu.Unlock()263	t.Config.anchors = allAnchors[name]264	if t.Config.anchors == nil {265		t.Config.anchors = anchors.NewInfo()266		allAnchors[name] = t.Config.anchors...

anchor.go

Source:anchor.go

...45		Operator: op,46	}47	return anc, nil48}49// DoAnchorsPersist returns true if anchors are persistent across tests.50func (i *Info) DoAnchorsPersist() bool {51	i.Lock()52	defer i.Unlock()53	return i.persist54}55// SetAnchorsPersist enables or disables anchors persistence.56func (i *Info) SetAnchorsPersist(persist bool) {57	i.Lock()58	defer i.Unlock()59	i.persist = persist60}61// ResetAnchors removes all anchors if persistence is disabled or62// force is true.63func (i *Info) ResetAnchors(force bool) {64	i.Lock()...

t_anchor_test.go

Source:t_anchor_test.go

...118	t2 := td.NewT(ttt)119	t3 := td.NewT(t1)120	tt.Run("without anchors persistence", func(tt *testing.T) {121		// Anchors persistence is shared for a same testing.TB122		td.CmpFalse(tt, t1.DoAnchorsPersist())123		td.CmpFalse(tt, t2.DoAnchorsPersist())124		td.CmpFalse(tt, t3.DoAnchorsPersist())125		func() {126			defer t1.AnchorsPersistTemporarily()()127			td.CmpTrue(tt, t1.DoAnchorsPersist())128			td.CmpTrue(tt, t2.DoAnchorsPersist())129			td.CmpTrue(tt, t3.DoAnchorsPersist())130		}()131		td.CmpFalse(tt, t1.DoAnchorsPersist())132		td.CmpFalse(tt, t2.DoAnchorsPersist())133		td.CmpFalse(tt, t3.DoAnchorsPersist())134	})135	tt.Run("with anchors persistence", func(tt *testing.T) {136		t3.SetAnchorsPersist(true)137		td.CmpTrue(tt, t1.DoAnchorsPersist())138		td.CmpTrue(tt, t2.DoAnchorsPersist())139		td.CmpTrue(tt, t3.DoAnchorsPersist())140		func() {141			defer t1.AnchorsPersistTemporarily()()142			td.CmpTrue(tt, t1.DoAnchorsPersist())143			td.CmpTrue(tt, t2.DoAnchorsPersist())144			td.CmpTrue(tt, t3.DoAnchorsPersist())145		}()146		td.CmpTrue(tt, t1.DoAnchorsPersist())147		td.CmpTrue(tt, t2.DoAnchorsPersist())148		td.CmpTrue(tt, t3.DoAnchorsPersist())149	})150}...

DoAnchorsPersist

Using AI Code Generation

1import (2func main() {3    client := telegram.NewClient(telegram.Options{4        Transport: transport.NewFileSessionTransport("session"),5    })6    authManager := auth.NewManager(client, func() (string, error) {7    })8    messageManager := message.NewManager(client)9    queryManager := query.NewManager(client)10    updateManager := update.NewManager(client)11    updateManager.OnNewUpdate(func(update *tg.Update) {12        switch update := update.Data.(type) {13            fmt.Println(update.Message.Message)14            messageManager.SendMessage(update.Message.ChatID, &tg.InputMessageText{15                Text: tg.NewFormattedText("Hello!", nil),16            })17            fmt.Println("User status:", update.Status)18        }19    })20    client.OnError(func(err error) {21        if tgerr.Is(err, tgerr.FloodWait) {22            client.Close()23        }24    })25    queryManager.OnQuery(func(query *tg.Query) {26        queryManager.AnswerQuery(query, &tg.DataJSON{},

DoAnchorsPersist

Using AI Code Generation

1import (2func main() {3	fmt.Println("Do Anchors Persist? ", tdObj.DoAnchorsPersist())4}5import (6func main() {7	fmt.Println("Do Anchors Persist? ", tdObj.DoAnchorsPersist())8}9import (10func main() {11	fmt.Println("Do Anchors Persist? ", tdObj.DoAnchorsPersist())12}13import (14func main() {15	fmt.Println("Do Anchors Persist? ", tdObj.DoAnchorsPersist())16}17import (18func main() {19	fmt.Println("Do Anchors Persist? ", tdObj.DoAnchorsPersist())20}21import (22func main() {23	fmt.Println("Do Anchors Persist? ", tdObj.DoAnchorsPersist())24}25import (26func main() {27	fmt.Println("Do Anchors Persist? ", tdObj.DoAnchorsPersist())28}29import (30func main() {31	fmt.Println("Do Anchors Persist? ", tdObj.DoAnchorsPersist())32}

DoAnchorsPersist

Using AI Code Generation

1import (2func main() {3	fmt.Println("Do anchors persist? ", td.DoAnchorsPersist())4}5import (6func main() {7	fmt.Println("Do anchors persist? ", td.DoAnchorsPersist())8}9import (10func main() {11	fmt.Println("Do anchors persist? ", td.DoAnchorsPersist())12}13import (14func main() {15	fmt.Println("Do anchors persist? ", td.DoAnchorsPersist())16}17import (18func main() {19	fmt.Println("Do anchors persist? ", td.DoAnchorsPersist())20}21import (22func main() {23	fmt.Println("Do anchors persist? ", td.DoAnchorsPersist())24}25import (26func main() {27	fmt.Println("Do anchors persist? ", td.DoAnchorsPersist())28}29import (30func main()

DoAnchorsPersist

Using AI Code Generation

1import "fmt"2import "td"3func main() {4}5import "fmt"6import "td"7func main() {8}9import "fmt"10import "td"11func main() {12}13import "fmt"14import "td"15func main() {16}17import "fmt"18import "td"19func main() {20}21import "fmt"22import "td"23func main() {24}25import "fmt"26import "td"27func main() {28}29import "fmt"30import "td"31func main() {32}33import "fmt"34import "td"35func main() {36}

DoAnchorsPersist

Using AI Code Generation

1import "fmt"2import "github.com/udhos/gobrain"3func main() {4    fmt.Println("Hello, playground")5    td := gobrain.NewTDNN([]int{2, 2, 1}, 0.5)6    td.Train([][]float64{{0, 0}, {0, 1}, {1, 0}, {1, 1}}, [][]float64{{0}, {1}, {1}, {0}})7    fmt.Println("Do Anchors Persist? ", td.DoAnchorsPersist())8}9import "fmt"10import "github.com/udhos/gobrain"11func main() {12    fmt.Println("Hello, playground")13    td := gobrain.NewTDNN([]int{2, 2, 1}, 0.5)14    td.Train([][]float64{{0, 0}, {0, 1}, {1, 0}, {1, 1}}, [][]float64{{0}, {1}, {1}, {0}})15    fmt.Println("Do Anchors Persist? ", td.DoAnchorsPersist())16    td.SetAnchorsPersist(true)17    fmt.Println("Do Anchors Persist? ", td.DoAnchorsPersist())18}19import "fmt"20import "github.com/udhos/gobrain"21func main() {22    fmt.Println("Hello, playground")23    td := gobrain.NewTDNN([]int{2, 2, 1}, 0.5)24    td.Train([][]float64{{0, 0}, {0, 1}, {1, 0}, {1, 1}}, [][]float64{{0}, {1}, {1}, {0}})25    fmt.Println("Do Anchors Persist? ", td.DoAnchorsPersist())26    td.SetAnchorsPersist(true)27    fmt.Println("Do Anchors Persist? ", td.DoAnchorsPersist())28    td.Save("xor.net")29}

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