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How to use ResetAnchors method of td Package

Best Go-testdeep code snippet using td.ResetAnchors

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

...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()65	defer i.Unlock()66	if !i.persist || force {67		for k := range i.anchors {68			delete(i.anchors, k)69		}70		i.index = 071	}72}73func (i *Info) nextIndex() (n int) {74	n = i.index75	i.index++76	return77}...

t_anchor_test.go

Source:t_anchor_test.go

...63		numOp := t.Anchor(td.Between(int64(135), int64(137))).(int64)64		defer t.AnchorsPersistTemporarily()()65		td.CmpTrue(tt, t.Cmp(got, MyStruct{Num: numOp}))66		td.CmpTrue(tt, t.Cmp(got, MyStruct{Num: numOp}))67		t.ResetAnchors() // force reset anchored operators68		td.CmpFalse(tt, t.Cmp(got, MyStruct{Num: numOp}))69	})70	// Errors71	tt.Run("errors", func(tt *testing.T) {72		td.Cmp(tt, ttt.CatchFatal(func() { t.Anchor(nil) }),73			"Cannot anchor a nil TestDeep operator")74		td.Cmp(tt, ttt.CatchFatal(func() { t.Anchor(td.Ignore(), 1, 2) }),75			"usage: Anchor(OPERATOR[, MODEL]), too many parameters")76		td.Cmp(tt, ttt.CatchFatal(func() { t.Anchor(td.Ignore(), nil) }),77			"Untyped nil value is not valid as model for an anchor")78		td.Cmp(tt, ttt.CatchFatal(func() { t.Anchor(td.Between(1, 2), 12.3) }),79			"Operator Between TypeBehind() returned int which differs from model type float64. Omit model or ensure its type is int")80		td.Cmp(tt, ttt.CatchFatal(func() { t.Anchor(td.Ignore()) }),81			"Cannot anchor operator Ignore as TypeBehind() returned nil. Use model parameter to specify the type to return")...

ResetAnchors

Using AI Code Generation

1import (2func main() {3	file = xlsx.NewFile()4	sheet, err = file.AddSheet("Sheet1")5	if err != nil {6		fmt.Printf(err.Error())7	}8	row = sheet.AddRow()9	cell = row.AddCell()10	cell = row.AddCell()11	cell = row.AddCell()12	cell.SetFormula("=A1&B1")13	cell = row.AddCell()14	cell.SetFormula("=C1")15	cell = row.AddCell()16	cell.SetFormula("=D1")17	row = sheet.AddRow()18	cell = row.AddCell()19	cell = row.AddCell()20	cell = row.AddCell()21	cell.SetFormula("=A1&B1")22	cell = row.AddCell()23	cell.SetFormula("=C1")24	cell = row.AddCell()25	cell.SetFormula("=D1")26	row = sheet.AddRow()27	cell = row.AddCell()28	cell = row.AddCell()29	cell = row.AddCell()30	cell.SetFormula("=A1&B1")31	cell = row.AddCell()32	cell.SetFormula("=C1")33	cell = row.AddCell()34	cell.SetFormula("=D1")35	row = sheet.AddRow()36	cell = row.AddCell()37	cell = row.AddCell()38	cell = row.AddCell()39	cell.SetFormula("=A1&B1")40	cell = row.AddCell()41	cell.SetFormula("=C1")42	cell = row.AddCell()43	cell.SetFormula("=D1")44	row = sheet.AddRow()45	cell = row.AddCell()46	cell = row.AddCell()47	cell = row.AddCell()48	cell.SetFormula("=A1&B1")49	cell = row.AddCell()50	cell.SetFormula("=C1")51	cell = row.AddCell()52	cell.SetFormula("=D1")53	row = sheet.AddRow()54	cell = row.AddCell()55	cell = row.AddCell()

ResetAnchors

Using AI Code Generation

1import (2func main() {3	c := colly.NewCollector()4	c.OnHTML("a[href]", func(e *colly.HTMLElement) {5		link := e.Attr("href")6		fmt.Println("Link found:", link)7		e.Request.Visit(link)8	})9	c.OnHTML("a[href]", func(e *colly.HTMLElement) {10		link := e.Attr("href")11		fmt.Println("Link found:", link)12		e.Request.Visit(link)13	})14	c.OnHTML("a[href]", func(e *colly.HTMLElement) {15		link := e.Attr("href")16		fmt.Println("Link found:", link)17		e.Request.Visit(link)18	})19	c.OnHTML("a[href]", func(e *colly.HTMLElement) {20		link := e.Attr("href")21		fmt.Println("Link found:", link)22		e.Request.Visit(link)23	})24	c.OnRequest(func(r *colly.Request) {25		fmt.Println("Visiting", r.URL.String())26	})27}

ResetAnchors

Using AI Code Generation

1import (2func main() {3	xlFile, err := xlsx.OpenFile(excelFileName)4	if err != nil {5		fmt.Println(err)6	}7	cell := sheet.Cell(0, 0)8	fmt.Println(cell.Value)9	cell.ResetAnchors()10	fmt.Println(cell.Value)11}

ResetAnchors

Using AI Code Generation

1import (2func main() {3	file = xlsx.NewFile()4	sheet, _ = file.AddSheet("Sheet1")5	row = sheet.AddRow()6	cell = row.AddCell()7	cell = row.AddCell()8	cell.ResetAnchors()9	err := file.Save("anchors.xlsx")10	if err != nil {11		fmt.Printf(err.Error())12	}13}14import (15func main() {16	file = xlsx.NewFile()17	sheet, _ = file.AddSheet("Sheet1")18	row = sheet.AddRow()19	cell = row.AddCell()20	cell = row.AddCell()21	cell.SetAnchor("A1:B2")22	err := file.Save("anchors.xlsx")23	if err != nil {24		fmt.Printf(err.Error())25	}26}27import (28func main() {29	file = xlsx.NewFile()30	sheet, _ = file.AddSheet("Sheet1")31	row = sheet.AddRow()32	cell = row.AddCell()33	cell = row.AddCell()34	cell.SetAnchors("A1:B2", "A1:B2")35	err := file.Save("anchors.xlsx")36	if err != nil {37		fmt.Printf(err.Error())38	}39}40import (41func main() {

ResetAnchors

Using AI Code Generation

1import (2func main() {3	xlFile, err := xlsx.OpenFile("1.xlsx")4	if err != nil {5		fmt.Println(err)6	}7	for _, row := range sheet.Rows {8		for _, cell := range row.Cells {9			cell.SetStyle(xlsx.NewStyle())10			cell.SetNumberFormat("0.00")11			cell.SetFloat(10.0)12			cell.ResetAnchors()13		}14	}15	err = xlFile.Save("2.xlsx")16	if err != nil {17		fmt.Println(err)18	}19}20import (21func main() {22	xlFile, err := xlsx.OpenFile("1.xlsx")23	if err != nil {24		fmt.Println(err)25	}26	for _, row := range sheet.Rows {27		for _, cell := range row.Cells {28			cell.SetStyle(xlsx.NewStyle())29			cell.SetNumberFormat("0.00")30			cell.SetFloat(10.0)31			fmt.Println(cell.GetAnchor())32		}33	}34	err = xlFile.Save("3.xlsx")35	if err != nil {36		fmt.Println(err)37	}38}39import (40func main() {41	xlFile, err := xlsx.OpenFile("1.xlsx")42	if err != nil {43		fmt.Println(err)44	}45	for _, row := range sheet.Rows {46		for _, cell := range row.Cells {47			cell.SetStyle(xlsx.NewStyle())48			cell.SetNumberFormat("0.00")49			cell.SetFloat(10.0)50			cell.SetAnchor("A1")51		}52	}53	err = xlFile.Save("4.xlsx")54	if err != nil {55		fmt.Println(err)56	}57}58import (59func main() {

ResetAnchors

Using AI Code Generation

1import (2func main() {3	doc.Find("a").Each(func(i int, s *goquery.Selection) {4		href, _ := s.Attr("href")5		fmt.Printf("Link %d: '%s' -> '%s'6", i, s.Text(), href)7	})8}

ResetAnchors

Using AI Code Generation

1import (2func main() {3	if err != nil {4		fmt.Print("error loading HTML document")5	}6	doc.Find("a").Each(func(i int, s *goquery.Selection) {7		band := s.Text()8		title := s.Text()9		fmt.Printf("Review %d: %s - %s\n", i, band, title)10	})11}12func (td *Document) ResetAnchors()13import (14func main() {15	if err != nil {16		fmt.Print("error loading HTML document")17	}18	doc.Find("a").Each(func(i int,

ResetAnchors

Using AI Code Generation

1import (2func main() {3	xlFile, err := xlsx.OpenFile(excelFileName)4	if err != nil {5		log.Fatal(err)6	}7	cell.ResetAnchors()8	err = xlFile.Save(excelFileName)9	if err != nil {10		log.Fatal(err)11	}12	fmt.Println("Done")13}

ResetAnchors

Using AI Code Generation

1import (2func main() {3	doc, err := goquery.NewDocumentFromReader(strings.NewReader(html))4	if err != nil {5		log.Fatal(err)6	}7	doc.Find("p").Each(func(i int, s *goquery.Selection) {8		fmt.Println(s.Text())9	})10}11import (12func main() {13	doc, err := goquery.NewDocumentFromReader(strings.NewReader(html))14	if err != nil {15		log.Fatal(err)16	}17	doc.Find("p").Each(func(i int, s *goquery.Selection) {18		fmt.Println(s.Text())19	})20}21import (22func main() {23	doc, err := goquery.NewDocumentFromReader(strings.NewReader(html))24	if err != nil {25		log.Fatal(err)26	}27	doc.Find("p").Each(func(i int, s *goquery.Selection) {28		fmt.Println(s.Text())29	})30}

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