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How to use DoAnchorsPersist method of anchors Package

Best Go-testdeep code snippet using anchors.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_test.go

Source:anchor_test.go

...12	"github.com/maxatome/go-testdeep/internal/test"13)14func TestInfo(t *testing.T) {15	i := anchors.NewInfo()16	test.IsFalse(t, i.DoAnchorsPersist())17	i.SetAnchorsPersist(true)18	test.IsTrue(t, i.DoAnchorsPersist())19	i.SetAnchorsPersist(false)20	test.IsFalse(t, i.DoAnchorsPersist())21}22func TestBuildResolveAnchor(t *testing.T) {23	var i anchors.Info24	checkResolveAnchor := func(t *testing.T, val any, opName string) {25		t.Helper()26		v1, err := i.AddAnchor(reflect.TypeOf(val), reflect.ValueOf(opName+" (1)"))27		if !test.NoError(t, err, "first anchor") {28			return29		}30		v2, err := i.AddAnchor(reflect.TypeOf(val), reflect.ValueOf(opName+" (2)"))31		if !test.NoError(t, err, "second anchor") {32			return33		}34		op, found := i.ResolveAnchor(v1)...

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    err := shim.Start(new(Anchors))4    if err != nil {5        fmt.Printf("Error starting Anchors chaincode: %s", err)6    }7}8type Anchors struct {9}10func (t *Anchors) Init(stub shim.ChaincodeStubInterface, function string, args []string) ([]byte, error) {11}12func (t *Anchors) Invoke(stub shim.ChaincodeStubInterface, function string, args []string) ([]byte, error) {13    if function == "DoAnchorsPersist" {14        return t.DoAnchorsPersist(stub, args)15    }16}17func (t *Anchors) DoAnchorsPersist(stub shim.ChaincodeStubInterface, args []string) ([]byte, error) {18    channels, err := stub.GetChannels()19    if err != nil {20    }21    for _, channel := range channels {22        if channel == args[0] {23        }24    }25    if !channelExists {26        return nil, fmt.Errorf("Channel %s does not exist", args[0])27    }28    anchorPeers, err := stub.GetStateValidationParameter(args[0])29    if err != nil {30    }

DoAnchorsPersist

Using AI Code Generation

1import (2func main() {3	chaincode := new(chaincode)4	err := shim.Start(chaincode)5	if err != nil {6		fmt.Printf("Error starting chaincode: %s", err)7	}8}9type chaincode struct {10}11func (t *chaincode) Init(stub shim.ChaincodeStubInterface, function string, args []string) ([]byte, error) {12}13func (t *chaincode) Invoke(stub shim.ChaincodeStubInterface, function string, args []string) ([]byte, error) {14	if function == "DoAnchorsPersist" {15		return t.DoAnchorsPersist(stub)16	}17}18func (t *chaincode) DoAnchorsPersist(stub shim.ChaincodeStubInterface) ([]byte, error) {19	anchors.DoAnchorsPersist(stub)20}21import (22func main() {23	chaincode := new(chaincode)24	err := shim.Start(chaincode)25	if err != nil {26		fmt.Printf("Error starting chaincode: %s", err)27	}28}29type chaincode struct {30}31func (t *chaincode) Init(stub shim.ChaincodeStubInterface, function string, args []string) ([]byte, error) {32}33func (t *chaincode) Invoke(stub shim.ChaincodeStubInterface, function string, args []string) ([]byte, error) {34	if function == "GetAnchors" {35		return t.GetAnchors(stub)36	}37}38func (t *chaincode) GetAnchors(stub shim.ChaincodeStubInterface) ([]byte, error) {

DoAnchorsPersist

Using AI Code Generation

1func (t *Chaincode) Invoke(stub shim.ChaincodeStubInterface) peer.Response {2	function, args := stub.GetFunctionAndParameters()3	if function == "doAnchorsPersist" {4		return t.doAnchorsPersist(stub, args)5	}6	return shim.Error("Invalid invoke function name. Expecting \"doAnchorsPersist\"")7}

DoAnchorsPersist

Using AI Code Generation

1func (t *Chaincode) doAnchorsPersist(stub shim.ChaincodeStubInterface, args []string) peer.Response {2	block, err := stub.GetConfigBlock()3	if err != nil {4		return shim.Error(fmt.Sprintf("GetConfigBlock return error: %s", err))5	}6	anchorsPersisted := stub.DoAnchorsPersist(block)7	if anchorsPersisted {8		return shim.Success([]byte("Anchors persisted"))9	}10	return shim.Error("Anchors not persisted")11}12func main() {13	err := shim.Start(new(Chaincode))14	if err != nil {15		fmt.Printf("Error starting Chaincode: %s", err)16	}17}18import (19type Chaincode struct {20}

DoAnchorsPersist

Using AI Code Generation

1import "fmt"2type Anchors struct {3}4func (anchors Anchors) DoAnchorsPersist() bool {5}6func main() {7	anchors := Anchors{}8	fmt.Println(anchors.DoAnchorsPersist())9}10import "fmt"11type Anchors struct {12}13func (anchors Anchors) DoAnchorsPersist() bool {14}15func main() {16	anchors := Anchors{}17	fmt.Println(anchors.DoAnchorsPersist())18}19import "fmt"20type Anchors struct {21}22func (anchors Anchors) DoAnchorsPersist() bool {23}24func main() {25	anchors := Anchors{}26	fmt.Println(anchors.DoAnchorsPersist())27}28import "fmt"29type Anchors struct {30}31func (anchors Anchors) DoAnchorsPersist() bool {32}33func main() {34	anchors := Anchors{}35	fmt.Println(anchors.DoAnchorsPersist())36}37import "fmt"38type Anchors struct {39}40func (anchors Anchors) DoAnchorsPersist() bool {41}42func main() {43	anchors := Anchors{}44	fmt.Println(anchors.DoAnchorsPersist())45}46import "fmt"47type Anchors struct {48}49func (anchors Anchors) DoAnchorsPersist() bool {50}51func main() {52	anchors := Anchors{}53	fmt.Println(anchors.DoAnchorsPersist())54}55import "fmt"56type Anchors struct {57}58func (anchors Anchors) DoAnchorsPersist() bool {59}60func main() {61	anchors := Anchors{}62	fmt.Println(anchors.DoAnchorsPersist())63}

DoAnchorsPersist

Using AI Code Generation

1import (2func main() {3}4import (5func main() {6}7import (8func main() {9}10import (11func main() {12}13import (14func main() {15}16import (17func main() {18}19import (20func main() {21}22import (23func main() {24}25import (26func main() {27}28import (

DoAnchorsPersist

Using AI Code Generation

1import (2type Anchors struct {3}4func (t *Anchors) Run(stub *state.ChaincodeStub, function string, args []string) ([]byte, error) {5    switch function {6        return t.DoAnchorsPersist(stub, args)7        return t.DoAnchorsPersistWithDelay(stub, args)8        return t.DoAnchorsPersistWithDelayAndPanic(stub, args)9        return nil, fmt.Errorf("Received unknown function invocation: %s", function)10    }11}12func (t *Anchors) DoAnchorsPersist(stub *state.ChaincodeStub, args []string) ([]byte, error) {13    if len(args) != 2 {14        return nil, fmt.Errorf("Incorrect number of arguments. Expecting 2")15    }16    stub.PutState(anchorKey, []byte(anchorValue))17}18func (t *Anchors) DoAnchorsPersistWithDelay(stub *state.ChaincodeStub, args []string) ([]byte, error) {19    if len(args) != 3 {20        return nil, fmt.Errorf("Incorrect number of arguments. Expecting 3")21    }22    delay, err := strconv.Atoi(args[2])23    if err != nil {24        return nil, fmt.Errorf("Could not convert delay to int")25    }26    stub.PutState(anchorKey, []byte(anchorValue))27    time.Sleep(time.Duration(delay) * time.Millisecond)28}29func (t *Anchors) DoAnchorsPersistWithDelayAndPanic(stub *state.ChaincodeStub, args []string) ([]byte, error) {30    if len(args) != 3 {31        return nil, fmt.Errorf("Incorrect number of arguments. Expecting 3")32    }

DoAnchorsPersist

Using AI Code Generation

1import (2func main() {3	a := anchors.NewAnchors()4	fmt.Println(a.DoAnchorsPersist())5}6import (7func main() {8	a := anchors.NewAnchors()9	fmt.Println(a.DoAnchorsPersist())10}11import (12func main() {13	a := anchors.NewAnchors()14	fmt.Println(a.DoAnchorsPersist())15}16import (17func main() {18	a := anchors.NewAnchors()19	fmt.Println(a.DoAnchorsPersist())20}21import (22func main() {23	a := anchors.NewAnchors()24	fmt.Println(a.DoAnchorsPersist())25}26import (27func main() {28	a := anchors.NewAnchors()29	fmt.Println(a.DoAnchorsPersist())30}31import (

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