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How to use UseEqual method of hooks Package

Best Go-testdeep code snippet using hooks.UseEqual

hooks.go

Source:hooks.go

...181	}182	*got = res[0]183	return true, nil184}185// AddUseEqual records types of values contained in ts as using186// Equal method. ts can also contain [reflect.Type] instances.187func (i *Info) AddUseEqual(ts []any) error {188	if len(ts) == 0 {189		return nil190	}191	for n, typ := range ts {192		t, ok := typ.(reflect.Type)193		if !ok {194			t = reflect.TypeOf(typ)195			ts[n] = t196		}197		equal, ok := t.MethodByName("Equal")198		if !ok {199			return fmt.Errorf("expects type %s owns an Equal method (@%d)", t, n)200		}201		ft := equal.Type202		if ft.IsVariadic() ||203			ft.NumIn() != 2 ||204			ft.NumOut() != 1 ||205			!ft.In(0).AssignableTo(ft.In(1)) ||206			ft.Out(0) != types.Bool {207			return fmt.Errorf("expects type %[1]s Equal method signature be Equal(%[1]s) bool (@%[2]d)", t, n)208		}209	}210	i.Lock()211	defer i.Unlock()212	for _, typ := range ts {213		t := typ.(reflect.Type)214		prop := i.props[t]215		prop.useEqual = true216		i.props[t] = prop217	}218	return nil219}220// UseEqual returns true if the type t needs to use its Equal method221// to be compared.222func (i *Info) UseEqual(t reflect.Type) bool {223	if i == nil {224		return false225	}226	i.Lock()227	defer i.Unlock()228	return i.props[t].useEqual229}230// AddIgnoreUnexported records types of values contained in ts as ignoring231// unexported struct fields. ts can also contain [reflect.Type] instances.232func (i *Info) AddIgnoreUnexported(ts []any) error {233	if len(ts) == 0 {234		return nil235	}236	for n, typ := range ts {...

config.go

Source:config.go

...41	// fails. Using *testing.T or *testing.B instance as t.TB value, FailNow()42	// is called behind the scenes when Fatal() is called. See testing43	// documentation for details.44	FailureIsFatal bool45	// UseEqual allows to use the Equal method on got (if it exists) or46	// on any of its component to compare got and expected values.47	//48	// The signature of the Equal method should be:49	//   (A) Equal(B) bool50	// with B assignable to A.51	//52	// See time.Time as an example of accepted Equal() method.53	//54	// See (*T).UseEqual method to only apply this property to some55	// specific types.56	UseEqual bool57	// BeLax allows to compare different but convertible types. If set58	// to false (default), got and expected types must be the same. If59	// set to true and expected type is convertible to got one, expected60	// is first converted to go type before its comparison. See CmpLax61	// function/method and Lax operator to set this flag without62	// providing a specific configuration.63	BeLax bool64	// IgnoreUnexported allows to ignore unexported struct fields. Be65	// careful about structs entirely composed of unexported fields66	// (like time.Time for example). With this flag set to true, they67	// are all equal. In such case it is advised to set UseEqual flag,68	// to use (*T).UseEqual method or to add a Cmp hook using69	// (*T).WithCmpHooks method.70	//71	// See (*T).IgnoreUnexported method to only apply this property to some72	// specific types.73	IgnoreUnexported bool74}75// Equal returns true if both c and o are equal. Only public fields76// are taken into account to check equality.77func (c ContextConfig) Equal(o ContextConfig) bool {78	return c.RootName == o.RootName &&79		c.MaxErrors == o.MaxErrors &&80		c.FailureIsFatal == o.FailureIsFatal &&81		c.UseEqual == o.UseEqual &&82		c.BeLax == o.BeLax &&83		c.IgnoreUnexported == o.IgnoreUnexported84}85// OriginalPath returns the current path when the [ContextConfig] has86// been built. It always returns ContextConfig.RootName except if c87// has been built by [Code] operator. See [Code] documentation for an88// example of use.89func (c ContextConfig) OriginalPath() string {90	if c.forkedFromCtx == nil {91		return c.RootName92	}93	return c.forkedFromCtx.Path.String()94}95const (96	contextDefaultRootName = "DATA"97	contextPanicRootName   = "FUNCTION"98	envMaxErrors           = "TESTDEEP_MAX_ERRORS"99)100func getMaxErrorsFromEnv() int {101	env := os.Getenv(envMaxErrors)102	if env != "" {103		n, err := strconv.Atoi(env)104		if err == nil {105			return n106		}107	}108	return 10109}110// DefaultContextConfig is the default configuration used to render111// tests failures. If overridden, new settings will impact all Cmp*112// functions and [*T] methods (if not specifically configured.)113var DefaultContextConfig = ContextConfig{114	RootName:         contextDefaultRootName,115	MaxErrors:        getMaxErrorsFromEnv(),116	FailureIsFatal:   false,117	UseEqual:         false,118	BeLax:            false,119	IgnoreUnexported: false,120}121func (c *ContextConfig) sanitize() {122	if c.RootName == "" {123		c.RootName = DefaultContextConfig.RootName124	}125	if c.MaxErrors == 0 {126		c.MaxErrors = DefaultContextConfig.MaxErrors127	}128}129// newContext creates a new ctxerr.Context using DefaultContextConfig130// configuration.131func newContext(t TestingT) ctxerr.Context {132	if tt, ok := t.(*T); ok {133		return newContextWithConfig(tt, tt.Config)134	}135	tb, _ := t.(testing.TB)136	return newContextWithConfig(tb, DefaultContextConfig)137}138// newContextWithConfig creates a new ctxerr.Context using a specific139// configuration.140func newContextWithConfig(tb testing.TB, config ContextConfig) (ctx ctxerr.Context) {141	config.sanitize()142	ctx = ctxerr.Context{143		Path:             ctxerr.NewPath(config.RootName),144		Visited:          visited.NewVisited(),145		MaxErrors:        config.MaxErrors,146		Anchors:          config.anchors,147		Hooks:            config.hooks,148		OriginalTB:       tb,149		FailureIsFatal:   config.FailureIsFatal,150		UseEqual:         config.UseEqual,151		BeLax:            config.BeLax,152		IgnoreUnexported: config.IgnoreUnexported,153	}154	ctx.InitErrors()155	return156}157// newBooleanContext creates a new boolean ctxerr.Context.158func newBooleanContext() ctxerr.Context {159	return ctxerr.Context{160		Visited:          visited.NewVisited(),161		BooleanError:     true,162		UseEqual:         DefaultContextConfig.UseEqual,163		BeLax:            DefaultContextConfig.BeLax,164		IgnoreUnexported: DefaultContextConfig.IgnoreUnexported,165	}166}...

t_hooks.go

Source:t_hooks.go

...28//29// When it returns a non-nil error (meaning got â  expected), its30// content is used to tell the reason of the failure.31//32// Cmp hooks are checked before [UseEqual] feature.33//34// Cmp hooks are run just after [Smuggle] hooks.35//36//	func TestCmpHook(tt *testing.T) {37//	  t := td.NewT(tt)38//39//	  // Test reflect.Value contents instead of default field/field40//	  t = t.WithCmpHooks(func (got, expected reflect.Value) bool {41//	    return td.EqDeeply(got.Interface(), expected.Interface())42//	  })43//	  a, b := 1, 144//	  t.Cmp(reflect.ValueOf(&a), reflect.ValueOf(&b)) // succeeds45//46//	  // Test reflect.Type correctly instead of default field/field47//	  t = t.WithCmpHooks(func (got, expected reflect.Type) bool {48//	    return got == expected49//	  })50//51//	  // Test time.Time via its Equal() method instead of default52//	  // field/field (note it bypasses the UseEqual flag)53//	  t = t.WithCmpHooks((time.Time).Equal)54//	  date, _ := time.Parse(time.RFC3339, "2020-09-08T22:13:54+02:00")55//	  t.Cmp(date, date.UTC()) // succeeds56//57//	  // Several hooks can be declared at once58//	  t = t.WithCmpHooks(59//	    func (got, expected reflect.Value) bool {60//	      return td.EqDeeply(got.Interface(), expected.Interface())61//	    },62//	    func (got, expected reflect.Type) bool {63//	      return got == expected64//	    },65//	    (time.Time).Equal,66//	  )67//	}68//69// There is no way to add or remove hooks of an existing [*T]70// instance, only to create a new [*T] instance with this method or71// [T.WithSmuggleHooks] to add some.72//73// WithCmpHooks calls t.Fatal if an item of fns is not a function or74// if its signature does not match the expected ones.75//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:...

UseEqual

Using AI Code Generation

1import (2func main() {3	xlFile, err := xlsx.OpenFile("test.xlsx")4	if err != nil {5		fmt.Println(err)6	}7	hooks := xlsx.NewEqualCellHooks()8	for _, sheet := range xlFile.Sheets {9		for _, row := range sheet.Rows {10			for _, cell := range row.Cells {11				fmt.Printf("%s\t", cell.String())12			}13			fmt.Println()14		}15	}16}

UseEqual

Using AI Code Generation

1import (2type hooks struct {3}4func (h *hooks) UseEqual(fl validator.FieldLevel) bool {5	return fl.Field().String() == fl.Param()6}7func main() {8	hook := hooks{validator: validator.New()}9	hook.validator.RegisterValidation("equal", hook.UseEqual)10	type User struct {11	}12	user := User{Name: "Test"}13	err := hook.validator.Struct(user)14	if err != nil {15		fmt.Println(err)16	}17}18import (19type hooks struct {20}21func (h *hooks) UseEqual(fl validator.FieldLevel) bool {22	return fl.Field().String() == fl.Param()23}24func main() {25	hook := hooks{validator: validator.New()}26	hook.validator.RegisterValidation("equal", hook.UseEqual)27	type User struct {28	}29	user := User{Name: "Test1"}30	err := hook.validator.Struct(user)31	if err != nil {32		fmt.Println(err)33	}34}

UseEqual

Using AI Code Generation

1import (2func main() {3	beego.Get("/hello", func(ctx *context.Context) {4		ctx.Output.Body([]byte("hello world"))5	})6	beego.Run()7}8import (9func main() {10	beego.Get("/hello", func(ctx *context.Context) {11		ctx.Output.Body([]byte("hello world"))12	})13	beego.Run()14}15import (16func main() {17	beego.Get("/hello", func(ctx *context.Context) {18		ctx.Output.Body([]byte("hello world"))19	})20	beego.Run()21}22import (23func main() {24	beego.Get("/hello", func(ctx *context.Context) {25		ctx.Output.Body([]byte("hello world"))26	})27	beego.Run()28}

UseEqual

Using AI Code Generation

1import (2func main() {3    beego.Get("/hello", hello)4    beego.Get("/world", world)5    beego.Run()6}7func hello(ctx *context.Context) {8    ctx.Output.Body([]byte("hello"))9}10func world(ctx *context.Context) {11    ctx.Output.Body([]byte("world"))12}13import (14func main() {15    beego.Get("/hello", hello)16    beego.Get("/world", world)17    beego.Run()18}19func hello(ctx *context.Context) {20    ctx.Output.Body([]byte("hello"))21}22func world(ctx *context.Context) {23    ctx.Output.Body([]byte("world"))24}25import (26func main() {27    beego.Get("/hello", hello)28    beego.Get("/world", world)29    beego.Run()30}31func hello(ctx *context.Context) {32    ctx.Output.Body([]byte("hello"))33}34func world(ctx *context.Context) {35    ctx.Output.Body([]byte("world"))36}37import (38func main() {39    beego.Get("/hello", hello)40    beego.Get("/world", world)41    beego.Run()42}43func hello(ctx *context.Context) {44    ctx.Output.Body([]byte("hello"))45}46func world(ctx *context.Context) {47    ctx.Output.Body([]byte("world"))48}49import (50func main() {

UseEqual

Using AI Code Generation

1import (2func main() {3	hooks := Hooks{}4}5import (6func (hooks Hooks) UseEqual(s1, s2 string) bool {7}8type Hooks struct{}9func NewHooks() *Hooks {10	return &Hooks{}11}12Your name to display (optional):13Your name to display (optional):

UseEqual

Using AI Code Generation

1import "fmt"2func main() {3    fmt.Println("Hello, playground")4    hooks := new(Hooks)5    hooks.UseEqual()6}7import "fmt"8type Hooks struct {9}10func (h *Hooks) UseEqual() {11    fmt.Println("UseEqual method called")12}

UseEqual

Using AI Code Generation

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

UseEqual

Using AI Code Generation

1import (2func main() {3	fmt.Println("Hello world")4	hooks := pig.Hooks{}5	hooks.UseEqual()6}7import (8func main() {9	fmt.Println("Hello world")10	hooks := pig.Hooks{}11	hooks.UseEqual()12}13import (14func main() {15	fmt.Println("Hello world")16	hooks := pig.Hooks{}17	hooks.UseEqual()18}19import (20func main() {21	fmt.Println("Hello world")22	hooks := pig.Hooks{}23	hooks.UseEqual()24}25import (26func main() {27	fmt.Println("Hello world")28	hooks := pig.Hooks{}29	hooks.UseEqual()30}31import (32func main() {33	fmt.Println("Hello world")34	hooks := pig.Hooks{}35	hooks.UseEqual()36}37import (38func main() {39	fmt.Println("Hello world")40	hooks := pig.Hooks{}41	hooks.UseEqual()42}43import (44func main() {45	fmt.Println("Hello world")46	hooks := pig.Hooks{}

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