How to use newJSONNumPlaceholder method of td Package

Best Go-testdeep code snippet using td.newJSONNumPlaceholder

td_json.go

Source:td_json.go Github

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...123 p = op.expectedValue.Interface()124 }125 byTag[op.tag] = newJSONNamedPlaceholder(op.tag, p)126 default:127 params[i] = newJSONNumPlaceholder(uint64(i+1), p)128 }129 }130 final, err := json.Parse(b, json.ParseOpts{131 Placeholders: params,132 PlaceholdersByName: byTag,133 OpFn: u.resolveOp(),134 })135 if err != nil {136 return nil, ctxerr.OpBad(u.Func, "JSON unmarshal error: %s", err)137 }138 return final, nil139}140// resolveOp returns a closure usable as json.ParseOpts.OpFn.141func (u tdJSONUnmarshaler) resolveOp() func(json.Operator, json.Position) (any, error) {142 return func(jop json.Operator, posInJSON json.Position) (any, error) {143 op, exists := allOperators[jop.Name]144 if !exists {145 return nil, fmt.Errorf("unknown operator %s()", jop.Name)146 }147 if hint, exists := forbiddenOpsInJSON[jop.Name]; exists {148 if hint == "" {149 return nil, fmt.Errorf("%s() is not usable in JSON()", jop.Name)150 }151 return nil, fmt.Errorf("%s() is not usable in JSON(), use %s instead",152 jop.Name, hint)153 }154 vfn := reflect.ValueOf(op)155 tfn := vfn.Type()156 // If some parameters contain a placeholder, dereference it157 for i, p := range jop.Params {158 if ph, ok := p.(*tdJSONPlaceholder); ok {159 jop.Params[i] = ph.expectedValue.Interface()160 }161 }162 // Special cases163 var min, max int164 addNilParam := false165 switch jop.Name {166 case "Between":167 min, max = 2, 3168 if len(jop.Params) == 3 {169 bad := false170 switch tp := jop.Params[2].(type) {171 case BoundsKind:172 // Special case, accept numeric values of Bounds*173 // constants, for the case:174 // td.JSON(`Between(40, 42, $1)`, td.BoundsInOut)175 case string:176 switch tp {177 case "[]", "BoundsInIn":178 jop.Params[2] = BoundsInIn179 case "[[", "BoundsInOut":180 jop.Params[2] = BoundsInOut181 case "]]", "BoundsOutIn":182 jop.Params[2] = BoundsOutIn183 case "][", "BoundsOutOut":184 jop.Params[2] = BoundsOutOut185 default:186 bad = true187 }188 default:189 bad = true190 }191 if bad {192 return nil, errors.New(`Between() bad 3rd parameter, use "[]", "[[", "]]" or "]["`)193 }194 }195 case "N", "Re":196 min, max = 1, 2197 case "SubMapOf", "SuperMapOf":198 min, max, addNilParam = 1, 1, true199 default:200 min = tfn.NumIn()201 if tfn.IsVariadic() {202 // for All(expected ...any) → min == 1, as All() is a non-sense203 max = -1204 } else {205 max = min206 }207 }208 if len(jop.Params) < min || (max >= 0 && len(jop.Params) > max) {209 switch {210 case max < 0:211 return nil, fmt.Errorf("%s() requires at least one parameter", jop.Name)212 case max == 0:213 return nil, fmt.Errorf("%s() requires no parameters", jop.Name)214 case min == max:215 if min == 1 {216 return nil, fmt.Errorf("%s() requires only one parameter", jop.Name)217 }218 return nil, fmt.Errorf("%s() requires %d parameters", jop.Name, min)219 default:220 return nil, fmt.Errorf("%s() requires %d or %d parameters", jop.Name, min, max)221 }222 }223 var in []reflect.Value224 if len(jop.Params) > 0 {225 in = make([]reflect.Value, len(jop.Params))226 for i, p := range jop.Params {227 in[i] = reflect.ValueOf(p)228 }229 if addNilParam {230 in = append(in, reflect.ValueOf(MapEntries(nil)))231 }232 // If the function is variadic, no need to check each param as all233 // variadic operators have always a ...any234 numCheck := len(in)235 if tfn.IsVariadic() {236 numCheck = tfn.NumIn() - 1237 }238 for i, p := range in[:numCheck] {239 fpt := tfn.In(i)240 if fpt.Kind() != reflect.Interface && p.Type() != fpt {241 return nil, fmt.Errorf(242 "%s() bad #%d parameter type: %s required but %s received",243 jop.Name, i+1,244 fpt, p.Type(),245 )246 }247 }248 }249 tdOp := vfn.Call(in)[0].Interface().(TestDeep)250 // let erroneous operators (tdOp.err != nil) pass251 // replace the location by the JSON/SubJSONOf/SuperJSONOf one252 u.replaceLocation(tdOp, posInJSON)253 return newJSONEmbedded(tdOp), nil254 }255}256// tdJSONSmuggler is the base type for tdJSONPlaceholder & tdJSONEmbedded.257type tdJSONSmuggler struct {258 tdSmugglerBase // ignored by tools/gen_funcs.pl259}260func (s *tdJSONSmuggler) Match(ctx ctxerr.Context, got reflect.Value) *ctxerr.Error {261 vgot, _ := jsonify(ctx, got) // Cannot fail262 // Here, vgot type is either a bool, float64, string,263 // []any, a map[string]any or simply nil264 return s.jsonValueEqual(ctx, vgot)265}266func (s *tdJSONSmuggler) String() string {267 return util.ToString(s.expectedValue.Interface())268}269func (s *tdJSONSmuggler) HandleInvalid() bool {270 return true271}272func (s *tdJSONSmuggler) TypeBehind() reflect.Type {273 return s.internalTypeBehind()274}275// tdJSONPlaceholder is an internal smuggler operator. It represents a276// JSON placeholder in an unmarshaled JSON expected data structure. As $1 in:277//278// td.JSON(`{"foo": $1}`, td.Between(12, 34))279//280// It takes the JSON representation of data and compares it to281// expectedValue.282//283// It does its best to convert back the JSON pointed data to the type284// of expectedValue or to the type behind the expectedValue.285type tdJSONPlaceholder struct {286 tdJSONSmuggler287 name string288 num uint64289}290func newJSONNamedPlaceholder(name string, expectedValue any) TestDeep {291 p := tdJSONPlaceholder{292 tdJSONSmuggler: tdJSONSmuggler{293 tdSmugglerBase: newSmugglerBase(expectedValue, 1),294 },295 name: name,296 }297 if !p.isTestDeeper {298 p.expectedValue = reflect.ValueOf(expectedValue)299 }300 return &p301}302func newJSONNumPlaceholder(num uint64, expectedValue any) TestDeep {303 p := tdJSONPlaceholder{304 tdJSONSmuggler: tdJSONSmuggler{305 tdSmugglerBase: newSmugglerBase(expectedValue, 1),306 },307 num: num,308 }309 if !p.isTestDeeper {310 p.expectedValue = reflect.ValueOf(expectedValue)311 }312 return &p313}314func (p *tdJSONPlaceholder) MarshalJSON() ([]byte, error) {315 if !p.isTestDeeper {316 var expected any...

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newJSONNumPlaceholder

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

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newJSONNumPlaceholder

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1import (2type td struct {3}4func (t *td) newJSONNumPlaceholder() {5 t.Number = json.Number("0")6}7func main() {8 t := td{}9 t.newJSONNumPlaceholder()10 fmt.Println(reflect.TypeOf(t.Number))11}12import (13type td struct {14}15func (t *td) newJSONNumPointer() {16 t.Number = new(json.Number)17}18func main() {19 t := td{}20 t.newJSONNumPointer()21 fmt.Println(reflect.TypeOf(t.Number))22}23import (24type td struct {25}26func (t *td) newJSONNumPointer() {27 t.Number = new(json.Number)28}29func main() {30 t := td{}31 t.newJSONNumPointer()32 fmt.Println(reflect.TypeOf(t.Number))33}34import (35type td struct {36}37func (t *td) newJSONNumPointer() {38 t.Number = new(json.Number)39}40func main() {41 t := td{}42 t.newJSONNumPointer()43 fmt.Println(reflect.TypeOf(t.Number))44}45import (46type td struct {47}48func (t *td) newJSONNumPointer() {49 t.Number = new(json.Number)50}51func main() {52 t := td{}53 t.newJSONNumPointer()54 fmt.Println(reflect.TypeOf(t.Number))55}

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newJSONNumPlaceholder

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1import (2type td struct {3}4func main() {5 t.Age = newJSONNumPlaceholder()6 fmt.Println(t)7}8{test 0}

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newJSONNumPlaceholder

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1import "fmt"2func main() {3 td := newJSONNumPlaceholder()4 td.set(1.2345)5 fmt.Println(td.get())6}7import "fmt"8func main() {9 td := newJSONNumPlaceholder()10 td.set(1.2345)11 fmt.Println(td.get())12}13import "fmt"14func main() {15 td := newJSONNumPlaceholder()16 td.set(1.2345)17 fmt.Println(td.get())18}19import "fmt"20func main() {21 td := newJSONNumPlaceholder()22 td.set(1.2345)23 fmt.Println(td.get())24}25import "fmt"26func main() {27 td := newJSONNumPlaceholder()28 td.set(1.2345)29 fmt.Println(td.get())30}31import "fmt"32func main() {33 td := newJSONNumPlaceholder()34 td.set(1.2345)35 fmt.Println(td.get())36}37import "fmt"38func main() {39 td := newJSONNumPlaceholder()40 td.set(1.2345)41 fmt.Println(td.get())42}43import "fmt"44func main() {45 td := newJSONNumPlaceholder()46 td.set(1.2345)47 fmt.Println(td.get())48}49import "fmt"50func main() {51 td := newJSONNumPlaceholder()52 td.set(1.2345)53 fmt.Println(td.get())54}

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newJSONNumPlaceholder

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

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newJSONNumPlaceholder

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1{2 "address": {3 },4 {5 },6 {7 }8}9{10 "address": {11 },12 {13 },14 {15 }16}17{18 "address": {19 },20 {21 },22 {23 }24}25{26 "address": {27 },28 {

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newJSONNumPlaceholder

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1import (2type td struct {3}4func main() {5 t := td{r: 3, c: 2}6 fmt.Println(t)7 fmt.Println(t.newJSONNumPlaceholder())8}9func (t td) newJSONNumPlaceholder() string {10 return "r" + strconv.Itoa(t.r) + "c" + strconv.Itoa(t.c)11}12import (13type td struct {14}15func main() {16 t := td{r: 3, c: 2}17 fmt.Println(t)18 fmt.Println(t.newJSONNumPlaceholder())19}20func (t td) newJSONNumPlaceholder() string {21 return "r" + strconv.Itoa(t.r) + "c" + strconv.Itoa(t.c)22}23import (24type td struct {25}26func main() {27 t := td{r: 3, c: 2}28 fmt.Println(t)29 fmt.Println(t.newJSONNumPlaceholder())30}31func (t td) newJSONNumPlaceholder() string {32 return "r" + strconv.Itoa(t.r) + "c" + strconv.Itoa(t.c)33}34import (35type td struct {

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