How to use buildFieldsPathFn method of td Package

Best Go-testdeep code snippet using td.buildFieldsPathFn

td_smuggle.go

Source:td_smuggle.go

...121}122func nilFieldErr(path []smuggleField) error {123	return fmt.Errorf("field %q is nil", joinFieldsPath(path))124}125func buildFieldsPathFn(path string) (func(any) (smuggleValue, error), error) {126	parts, err := splitFieldsPath(path)127	if err != nil {128		return nil, err129	}130	return func(got any) (smuggleValue, error) {131		vgot := reflect.ValueOf(got)132		for idxPart, field := range parts {133			// Resolve all interface and pointer dereferences134			for {135				switch vgot.Kind() {136				case reflect.Interface, reflect.Ptr:137					if vgot.IsNil() {138						return smuggleValue{}, nilFieldErr(parts[:idxPart])139					}140					vgot = vgot.Elem()141					continue142				}143				break144			}145			if !field.Indexed {146				if vgot.Kind() == reflect.Struct {147					vgot = vgot.FieldByName(field.Name)148					if !vgot.IsValid() {149						return smuggleValue{}, fmt.Errorf(150							"field %q not found",151							joinFieldsPath(parts[:idxPart+1]))152					}153					continue154				}155				if idxPart == 0 {156					return smuggleValue{},157						fmt.Errorf("it is a %s and should be a struct", vgot.Kind())158				}159				return smuggleValue{}, fmt.Errorf(160					"field %q is a %s and should be a struct",161					joinFieldsPath(parts[:idxPart]), vgot.Kind())162			}163			switch vgot.Kind() {164			case reflect.Map:165				tkey := vgot.Type().Key()166				var vkey reflect.Value167				switch tkey.Kind() {168				case reflect.String:169					vkey = reflect.ValueOf(field.Name)170				case reflect.Int, reflect.Int8, reflect.Int16, reflect.Int32, reflect.Int64:171					i, err := strconv.ParseInt(field.Name, 10, 64)172					if err != nil {173						return smuggleValue{}, fmt.Errorf(174							"field %q, %q is not an integer and so cannot match %s map key type",175							joinFieldsPath(parts[:idxPart+1]), field.Name, tkey)176					}177					vkey = reflect.ValueOf(i).Convert(tkey)178				case reflect.Uint, reflect.Uint8, reflect.Uint16, reflect.Uint32, reflect.Uint64, reflect.Uintptr:179					i, err := strconv.ParseUint(field.Name, 10, 64)180					if err != nil {181						return smuggleValue{}, fmt.Errorf(182							"field %q, %q is not an unsigned integer and so cannot match %s map key type",183							joinFieldsPath(parts[:idxPart+1]), field.Name, tkey)184					}185					vkey = reflect.ValueOf(i).Convert(tkey)186				case reflect.Float32, reflect.Float64:187					f, err := strconv.ParseFloat(field.Name, 64)188					if err != nil {189						return smuggleValue{}, fmt.Errorf(190							"field %q, %q is not a float and so cannot match %s map key type",191							joinFieldsPath(parts[:idxPart+1]), field.Name, tkey)192					}193					vkey = reflect.ValueOf(f).Convert(tkey)194				case reflect.Complex64, reflect.Complex128:195					c, err := strconv.ParseComplex(field.Name, 128)196					if err != nil {197						return smuggleValue{}, fmt.Errorf(198							"field %q, %q is not a complex number and so cannot match %s map key type",199							joinFieldsPath(parts[:idxPart+1]), field.Name, tkey)200					}201					vkey = reflect.ValueOf(c).Convert(tkey)202				default:203					return smuggleValue{}, fmt.Errorf(204						"field %q, %q cannot match unsupported %s map key type",205						joinFieldsPath(parts[:idxPart+1]), field.Name, tkey)206				}207				vgot = vgot.MapIndex(vkey)208				if !vgot.IsValid() {209					return smuggleValue{}, fmt.Errorf("field %q, %q map key not found",210						joinFieldsPath(parts[:idxPart+1]), field.Name)211				}212			case reflect.Slice, reflect.Array:213				i, err := strconv.ParseInt(field.Name, 10, 64)214				if err != nil {215					return smuggleValue{}, fmt.Errorf(216						"field %q, %q is not a slice/array index",217						joinFieldsPath(parts[:idxPart+1]), field.Name)218				}219				if i < 0 {220					i = int64(vgot.Len()) + i221				}222				if i < 0 || i >= int64(vgot.Len()) {223					return smuggleValue{}, fmt.Errorf(224						"field %q, %d is out of slice/array range (len %d)",225						joinFieldsPath(parts[:idxPart+1]), i, vgot.Len())226				}227				vgot = vgot.Index(int(i))228			default:229				if idxPart == 0 {230					return smuggleValue{},231						fmt.Errorf("it is a %s, but a map, array or slice is expected",232							vgot.Kind())233				}234				return smuggleValue{}, fmt.Errorf(235					"field %q is a %s, but a map, array or slice is expected",236					joinFieldsPath(parts[:idxPart]), vgot.Kind())237			}238		}239		return smuggleValue{240			Path:  path,241			Value: vgot,242		}, nil243	}, nil244}245func getFieldsPathFn(fieldPath string) (reflect.Value, error) {246	smuggleFnsMu.Lock()247	defer smuggleFnsMu.Unlock()248	if vfn, ok := smuggleFns[fieldPath]; ok {249		return vfn, nil250	}251	fn, err := buildFieldsPathFn(fieldPath)252	if err != nil {253		return reflect.Value{}, err254	}255	vfn := reflect.ValueOf(fn)256	smuggleFns[fieldPath] = vfn257	return vfn, err258}259func getCaster(outType reflect.Type) reflect.Value {260	smuggleFnsMu.Lock()261	defer smuggleFnsMu.Unlock()262	if vfn, ok := smuggleFns[outType]; ok {263		return vfn264	}265	var fn reflect.Value...

td_smuggle_private_test.go

Source:td_smuggle_private_test.go

...55	checkErr("test.f%oo", `unexpected '%' in field name "f%oo" in FIELDS_PATH "test.f%oo"`)56	checkErr("foo[bar", `cannot find final ']' in FIELD_PATH "foo[bar"`)57}58func TestBuildFieldsPathFn(t *testing.T) {59	_, err := buildFieldsPathFn("bad[path")60	test.Error(t, err)61	//62	// Struct63	type Build struct {64		Field struct {65			Path string66		}67		Iface any68	}69	fn, err := buildFieldsPathFn("Field.Path.Bad")70	if test.NoError(t, err) {71		_, err = fn(Build{})72		if test.Error(t, err) {73			test.EqualStr(t, err.Error(),74				`field "Field.Path" is a string and should be a struct`)75		}76		_, err = fn(123)77		if test.Error(t, err) {78			test.EqualStr(t, err.Error(), "it is a int and should be a struct")79		}80	}81	fn, err = buildFieldsPathFn("Field.Unknown")82	if test.NoError(t, err) {83		_, err = fn(Build{})84		if test.Error(t, err) {85			test.EqualStr(t, err.Error(), `field "Field.Unknown" not found`)86		}87	}88	//89	// Map90	fn, err = buildFieldsPathFn("Iface[str].Field")91	if test.NoError(t, err) {92		_, err = fn(Build{Iface: map[int]Build{}})93		if test.Error(t, err) {94			test.EqualStr(t, err.Error(),95				`field "Iface[str]", "str" is not an integer and so cannot match int map key type`)96		}97		_, err = fn(Build{Iface: map[uint]Build{}})98		if test.Error(t, err) {99			test.EqualStr(t, err.Error(),100				`field "Iface[str]", "str" is not an unsigned integer and so cannot match uint map key type`)101		}102		_, err = fn(Build{Iface: map[float32]Build{}})103		if test.Error(t, err) {104			test.EqualStr(t, err.Error(),105				`field "Iface[str]", "str" is not a float and so cannot match float32 map key type`)106		}107		_, err = fn(Build{Iface: map[complex128]Build{}})108		if test.Error(t, err) {109			test.EqualStr(t, err.Error(),110				`field "Iface[str]", "str" is not a complex number and so cannot match complex128 map key type`)111		}112		_, err = fn(Build{Iface: map[struct{ A int }]Build{}})113		if test.Error(t, err) {114			test.EqualStr(t, err.Error(),115				`field "Iface[str]", "str" cannot match unsupported struct { A int } map key type`)116		}117		_, err = fn(Build{Iface: map[string]Build{}})118		if test.Error(t, err) {119			test.EqualStr(t, err.Error(), `field "Iface[str]", "str" map key not found`)120		}121	}122	//123	// Array / Slice124	fn, err = buildFieldsPathFn("Iface[str].Field")125	if test.NoError(t, err) {126		_, err = fn(Build{Iface: []int{}})127		if test.Error(t, err) {128			test.EqualStr(t, err.Error(),129				`field "Iface[str]", "str" is not a slice/array index`)130		}131	}132	fn, err = buildFieldsPathFn("Iface[18].Field")133	if test.NoError(t, err) {134		_, err = fn(Build{Iface: []int{1, 2, 3}})135		if test.Error(t, err) {136			test.EqualStr(t, err.Error(),137				`field "Iface[18]", 18 is out of slice/array range (len 3)`)138		}139		_, err = fn(Build{Iface: 42})140		if test.Error(t, err) {141			test.EqualStr(t, err.Error(),142				`field "Iface" is a int, but a map, array or slice is expected`)143		}144	}145	fn, err = buildFieldsPathFn("[18].Field")146	if test.NoError(t, err) {147		_, err = fn(42)148		test.EqualStr(t, err.Error(),149			`it is a int, but a map, array or slice is expected`)150	}151}...

buildFieldsPathFn

Using AI Code Generation

1import (2func main() {3	xlFile, err := xlsx.OpenFile("sample.xlsx")4	if err != nil {5		log.Fatalf("error opening file: %s", err.Error())6	}7	fmt.Printf("Cell Value: %s8	floatValue, err := cell.Float()9	if err != nil {10		log.Fatalf("error converting cell to float: %s", err.Error())11	}12	fmt.Printf("Float Value: %f13	stringValue := cell.String()14	fmt.Printf("String Value: %s15	boolValue, err := cell.Bool()16	if err != nil {17		log.Fatalf("error converting cell to bool: %s", err.Error())18	}19	fmt.Printf("Bool Value: %t20	formulaValue := cell.Formula()21	fmt.Printf("Formula Value: %s22	timeValue, err := cell.GetTime(false)23	if err != nil {24		log.Fatalf("error converting cell to time: %s", err.Error())25	}26	fmt.Printf("Time Value: %s27	fmt.Printf("Rich Text Value: %s28	fmt.Printf("Formula Result Value: %s29	fmt.Printf("Hyperlink Value: %s

buildFieldsPathFn

Using AI Code Generation

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

buildFieldsPathFn

Using AI Code Generation

1import (2type td struct {3	FieldsPathFn func() []string4}5func main() {6	t.FieldsPathFn = buildFieldsPathFn(reflect.TypeOf(t))7	fmt.Println(t.FieldsPathFn())8}9func buildFieldsPathFn(t reflect.Type) func() []string {10	return func() []string {11		for i := 0; i < t.NumField(); i++ {12			fieldsPath = append(fieldsPath, t.Field(i).Name)13		}14	}15}16import (17type td struct {18	FieldsPathFn func() []string19}20func main() {21	t.FieldsPathFn = buildFieldsPathFn(reflect.TypeOf(t))22	fmt.Println(t.FieldsPathFn())23}24func buildFieldsPathFn(t reflect.Type) func() []string {25	return func() []string {26		for i := 0; i < t.NumField(); i++ {27			fieldsPath = append(fieldsPath, t.Field(i).Name)28		}29	}30}31Explanation: Here we are using the buildFieldsPathFn() method of td class to add the name of the fields of the struct to the fieldsPath variable. The FieldsPathFn is a method of td class which is used to return the fieldsPath variable. The buildFieldsPath

buildFieldsPathFn

Using AI Code Generation

1import (2type td struct {3}4func (t *td) buildFieldsPathFn() func(v reflect.Value) string {5	return func(v reflect.Value) string {6		for _, f := range t.Fields {7			path = append(path, f)8		}9		return strings.Join(path, ".")10	}11}12func (t *td) getFieldsPath(v reflect.Value) string {13	return t.buildFieldsPathFn()(v)14}15func main() {16	t.Fields = []string{"a", "b", "c"}17	fmt.Println(t.getFieldsPath(reflect.ValueOf(t)))18}19Your name to display (optional):20Your name to display (optional):

buildFieldsPathFn

Using AI Code Generation

1import (2func main() {3	td := NewTableData()4	td.buildFieldsPathFn()5	fmt.Println(td.fieldsPathFn)6}7import (8func main() {9	td := NewTableData()10	td.buildFieldsPathFn()11	fmt.Println(td.fieldsPathFn)12}13import (14func main() {15	td := NewTableData()16	td.buildFieldsPathFn()17	fmt.Println(td.fieldsPathFn)18}

buildFieldsPathFn

Using AI Code Generation

1import (2type td struct {3}4func (td *td) buildFieldsPathFn(v reflect.Value, fieldsPath []string) {5	if v.Kind() == reflect.Ptr {6		v = v.Elem()7	}8	if v.Kind() != reflect.Struct {9	}10	for i := 0; i < v.NumField(); i++ {11		field := v.Field(i)12		tag := v.Type().Field(i).Tag.Get("json")13		if tag == "" {14			tag = v.Type().Field(i).Name15		}16		fieldsPath = append(fieldsPath, tag)17		if field.Kind() == reflect.Struct {18			td.buildFieldsPathFn(field, fieldsPath)19		} else {20			fmt.Println(fieldsPath)21		}22		fieldsPath = fieldsPath[:len(fieldsPath)-1]23	}24}25func main() {26	td := &td{}27	td.buildFieldsPathFn(reflect.ValueOf(&struct {28		Addr struct {29		}30	}{Age: 25, Name: "John", Addr: struct {31	}{City: "New York", Zip: 12345}}), nil)32}33import (34type td struct {35}36func (td *td) buildFieldsPathFn(v reflect.Value, fieldsPath []string) {37	if v.Kind() == reflect.Ptr {38		v = v.Elem()39	}40	if v.Kind() != reflect.Struct {41	}42	for i := 0; i < v.NumField(); i++ {43		field := v.Field(i)44		tag := v.Type().Field(i).Tag.Get("json")45		if tag == "" {46			tag = v.Type().Field(i).Name47		}

buildFieldsPathFn

Using AI Code Generation

1import (2func main() {3	type A struct {4		B struct {5		}6	}7	a := A{}8	v := reflect.ValueOf(a)9	t := v.Type()10	fmt.Println(td.BuildFieldsPathFn(v, t, "B.C")(v, t))11}12import (13func main() {14	type A struct {15		B struct {16		}17	}18	a := A{}19	v := reflect.ValueOf(a)20	t := v.Type()21	fmt.Println(td.BuildFieldsPathFn(v, t, "B.C")(v, t))22}23import (24func main() {25	type A struct {26		B struct {27		}28	}29	a := A{}30	v := reflect.ValueOf(a)31	t := v.Type()32	fmt.Println(td.BuildFieldsPathFn(v, t, "B.C")(v, t))33}34import (35func main() {36	type A struct {37		B struct {38		}39	}40	a := A{}41	v := reflect.ValueOf(a)42	t := v.Type()43	fmt.Println(td.BuildFieldsPathFn(v, t, "B.C")(v, t))44}

buildFieldsPathFn

Using AI Code Generation

1import (2func main() {3	s := struct {4		C struct {5		}6	}{}7	t := reflect.TypeOf(s)8	v := reflect.ValueOf(s)9	fmt.Println(buildFieldsPathFn(t, v))10}11import (12func main() {13	s := struct {14		C struct {15		}16	}{}17	t := reflect.TypeOf(s)18	v := reflect.ValueOf(s)19	fmt.Println(buildFieldsPathFn(t, v))20}21import (22func main() {23	s := struct {24		C struct {25		}26	}{}27	t := reflect.TypeOf(s)28	v := reflect.ValueOf(s)29	fmt.Println(buildFieldsPathFn(t, v))30}31import (32func main() {33	s := struct {34		C struct {35		}36	}{}37	t := reflect.TypeOf(s)38	v := reflect.ValueOf(s)39	fmt.Println(buildFieldsPathFn(t, v

buildFieldsPathFn

Using AI Code Generation

1import (2func main() {3	td := NewTD()4	td.Set("a", "b", "c", "d", "e")5	fmt.Println(td.buildFieldsPathFn("a", "b", "c", "d", "e"))6}7import (8func main() {9	td := NewTD()10	td.Set("a", "b", "c", "d", "e")11	fmt.Println(td.buildFieldsPathFn("a", "b", "c", "d", "e", "f"))12}13import (14func main() {15	td := NewTD()16	td.Set("a", "b", "c", "d", "e")17	fmt.Println(td.buildFieldsPathFn("a", "b", "c", "d", "e", "f", "g"))18}19import (20func main() {21	td := NewTD()22	td.Set("a", "b", "c", "d", "e")23	fmt.Println(td.buildFieldsPathFn("a", "b", "c", "d", "e", "f", "g", "h"))24}25import (

buildFieldsPathFn

Using AI Code Generation

1import (2type td struct {3}4func (t *td) Path() []string {5}6func (t *td) buildFieldsPathFn(v reflect.Value, t1 reflect.Type, f reflect.StructField, name string) bool {7	t.path = append(t.path, name)8}9func main() {10	t := &td{}11	v := reflect.ValueOf(t)12	t1 := reflect.TypeOf(t)13	reflect.Walk(v, t1, t.buildFieldsPathFn)14	fmt.Println(t.Path())15}

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