How to use grepBadKind method of td Package

Best Go-testdeep code snippet using td.grepBadKind

td_grep.go

Source:td_grep.go Github

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...123 }124 }125 return nil126}127func grepBadKind(ctx ctxerr.Context, got reflect.Value) *ctxerr.Error {128 if ctx.BooleanError {129 return ctxerr.BooleanError130 }131 return ctx.CollectError(ctxerr.BadKind(got, "slice OR array OR *slice OR *array"))132}133type tdGrep struct {134 tdGrepBase135}136var _ TestDeep = &tdGrep{}137// summary(Grep): reduces a slice or an array before comparing its content138// input(Grep): array,slice,ptr(ptr on array/slice)139// Grep is a smuggler operator. It takes an array, a slice or a140// pointer on array/slice. For each item it applies filter, a141// [TestDeep] operator or a function returning a bool, and produces a142// slice consisting of those items for which the filter matched and143// compares it to expectedValue. The filter matches when it is a:144// - [TestDeep] operator and it matches for the item;145// - function receiving the item and it returns true.146//147// expectedValue can be a [TestDeep] operator or a slice (but never an148// array nor a pointer on a slice/array nor any other kind).149//150// got := []int{-3, -2, -1, 0, 1, 2, 3}151// td.Cmp(t, got, td.Grep(td.Gt(0), []int{1, 2, 3})) // succeeds152// td.Cmp(t, got, td.Grep(153// func(x int) bool { return x%2 == 0 },154// []int{-2, 0, 2})) // succeeds155// td.Cmp(t, got, td.Grep(156// func(x int) bool { return x%2 == 0 },157// td.Set(0, 2, -2))) // succeeds158//159// If Grep receives a nil slice or a pointer on a nil slice, it always160// returns a nil slice:161//162// var got []int163// td.Cmp(t, got, td.Grep(td.Gt(0), ([]int)(nil))) // succeeds164// td.Cmp(t, got, td.Grep(td.Gt(0), td.Nil())) // succeeds165// td.Cmp(t, got, td.Grep(td.Gt(0), []int{})) // fails166//167// See also [First] and [Last].168func Grep(filter, expectedValue any) TestDeep {169 g := tdGrep{}170 g.initGrepBase(filter, expectedValue)171 if g.err == nil && !g.isTestDeeper && g.expectedValue.Kind() != reflect.Slice {172 g.err = ctxerr.OpBad("Grep",173 "usage: Grep%s, EXPECTED_VALUE must be a slice not a %s",174 grepUsage, types.KindType(g.expectedValue))175 }176 return &g177}178func (g *tdGrep) Match(ctx ctxerr.Context, got reflect.Value) *ctxerr.Error {179 if g.err != nil {180 return ctx.CollectError(g.err)181 }182 if rErr := grepResolvePtr(ctx, &got); rErr != nil {183 return rErr184 }185 switch got.Kind() {186 case reflect.Slice, reflect.Array:187 const grepped = "<grepped>"188 if got.Kind() == reflect.Slice && got.IsNil() {189 return deepValueEqual(190 ctx.AddCustomLevel(grepped),191 reflect.New(got.Type()).Elem(),192 g.expectedValue,193 )194 }195 l := got.Len()196 out := reflect.MakeSlice(reflect.SliceOf(got.Type().Elem()), 0, l)197 for idx := 0; idx < l; idx++ {198 item := got.Index(idx)199 ok, rErr := g.matchItem(ctx, idx, item)200 if rErr != nil {201 return rErr202 }203 if ok {204 out = reflect.Append(out, item)205 }206 }207 return deepValueEqual(ctx.AddCustomLevel(grepped), out, g.expectedValue)208 }209 return grepBadKind(ctx, got)210}211type tdFirst struct {212 tdGrepBase213}214var _ TestDeep = &tdFirst{}215// summary(First): find the first matching item of a slice or an array216// then compare its content217// input(First): array,slice,ptr(ptr on array/slice)218// First is a smuggler operator. It takes an array, a slice or a219// pointer on array/slice. For each item it applies filter, a220// [TestDeep] operator or a function returning a bool. It takes the221// first item for which the filter matched and compares it to222// expectedValue. The filter matches when it is a:223// - [TestDeep] operator and it matches for the item;224// - function receiving the item and it returns true.225//226// expectedValue can of course be a [TestDeep] operator.227//228// got := []int{-3, -2, -1, 0, 1, 2, 3}229// td.Cmp(t, got, td.First(td.Gt(0), 1)) // succeeds230// td.Cmp(t, got, td.First(func(x int) bool { return x%2 == 0 }, -2)) // succeeds231// td.Cmp(t, got, td.First(func(x int) bool { return x%2 == 0 }, td.Lt(0))) // succeeds232//233// If the input is empty (and/or nil for a slice), an "item not found"234// error is raised before comparing to expectedValue.235//236// var got []int237// td.Cmp(t, got, td.First(td.Gt(0), td.Gt(0))) // fails238// td.Cmp(t, []int{}, td.First(td.Gt(0), td.Gt(0))) // fails239// td.Cmp(t, [0]int{}, td.First(td.Gt(0), td.Gt(0))) // fails240//241// See also [Last] and [Grep].242func First(filter, expectedValue any) TestDeep {243 g := tdFirst{}244 g.initGrepBase(filter, expectedValue)245 return &g246}247func (g *tdFirst) Match(ctx ctxerr.Context, got reflect.Value) *ctxerr.Error {248 if g.err != nil {249 return ctx.CollectError(g.err)250 }251 if rErr := grepResolvePtr(ctx, &got); rErr != nil {252 return rErr253 }254 switch got.Kind() {255 case reflect.Slice, reflect.Array:256 for idx, l := 0, got.Len(); idx < l; idx++ {257 item := got.Index(idx)258 ok, rErr := g.matchItem(ctx, idx, item)259 if rErr != nil {260 return rErr261 }262 if ok {263 return deepValueEqual(264 ctx.AddCustomLevel(S("<first#%d>", idx)),265 item,266 g.expectedValue,267 )268 }269 }270 return g.notFound(ctx, got)271 }272 return grepBadKind(ctx, got)273}274func (g *tdFirst) TypeBehind() reflect.Type {275 return g.sliceTypeBehind()276}277type tdLast struct {278 tdGrepBase279}280var _ TestDeep = &tdLast{}281// summary(Last): find the last matching item of a slice or an array282// then compare its content283// input(Last): array,slice,ptr(ptr on array/slice)284// Last is a smuggler operator. It takes an array, a slice or a285// pointer on array/slice. For each item it applies filter, a286// [TestDeep] operator or a function returning a bool. It takes the287// last item for which the filter matched and compares it to288// expectedValue. The filter matches when it is a:289// - [TestDeep] operator and it matches for the item;290// - function receiving the item and it returns true.291//292// expectedValue can of course be a [TestDeep] operator.293//294// got := []int{-3, -2, -1, 0, 1, 2, 3}295// td.Cmp(t, got, td.Last(td.Lt(0), -1)) // succeeds296// td.Cmp(t, got, td.Last(func(x int) bool { return x%2 == 0 }, 2)) // succeeds297// td.Cmp(t, got, td.Last(func(x int) bool { return x%2 == 0 }, td.Gt(0))) // succeeds298//299// If the input is empty (and/or nil for a slice), an "item not found"300// error is raised before comparing to expectedValue.301//302// var got []int303// td.Cmp(t, got, td.Last(td.Gt(0), td.Gt(0))) // fails304// td.Cmp(t, []int{}, td.Last(td.Gt(0), td.Gt(0))) // fails305// td.Cmp(t, [0]int{}, td.Last(td.Gt(0), td.Gt(0))) // fails306//307// See also [First] and [Grep].308func Last(filter, expectedValue any) TestDeep {309 g := tdLast{}310 g.initGrepBase(filter, expectedValue)311 return &g312}313func (g *tdLast) Match(ctx ctxerr.Context, got reflect.Value) *ctxerr.Error {314 if g.err != nil {315 return ctx.CollectError(g.err)316 }317 if rErr := grepResolvePtr(ctx, &got); rErr != nil {318 return rErr319 }320 switch got.Kind() {321 case reflect.Slice, reflect.Array:322 for idx := got.Len() - 1; idx >= 0; idx-- {323 item := got.Index(idx)324 ok, rErr := g.matchItem(ctx, idx, item)325 if rErr != nil {326 return rErr327 }328 if ok {329 return deepValueEqual(330 ctx.AddCustomLevel(S("<last#%d>", idx)),331 item,332 g.expectedValue,333 )334 }335 }336 return g.notFound(ctx, got)337 }338 return grepBadKind(ctx, got)339}340func (g *tdLast) TypeBehind() reflect.Type {341 return g.sliceTypeBehind()342}...

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grepBadKind

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1import (2func main() {3 td.grepBadKind()4}5import (6func main() {7 td.grepBadKind()8}9import (10func main() {11 td.grepBadKind()12}13import (14func main() {15 td.grepBadKind()16}17import (18func main() {19 td.grepBadKind()20}21import (22func main() {23 td.grepBadKind()24}25import (26func main() {27 td.grepBadKind()28}29import (30func main() {31 td.grepBadKind()32}33import (34func main() {35 td.grepBadKind()36}37import (

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grepBadKind

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1import (2func main() {3 fmt.Println("Hello, playground")4 td1.grepBadKind()5}6import (7func main() {8 fmt.Println("Hello, playground")9 td1.grepBadKind()10}11import (12func main() {13 fmt.Println("Hello, playground")14 td1.grepBadKind()15}16import (17func main() {18 fmt.Println("Hello, playground")19 td1.grepBadKind()20}21import (22func main() {23 fmt.Println("Hello, playground")24 td1.grepBadKind()25}26import (27func main() {28 fmt.Println("Hello, playground")29 td1.grepBadKind()30}31import (32func main() {33 fmt.Println("Hello, playground")34 td1.grepBadKind()35}36import (37func main() {38 fmt.Println("Hello, playground")39 td1.grepBadKind()40}41import (42func main() {

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grepBadKind

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1import (2func main() {3 fmt.Println("Enter file name: ")4 fmt.Scanln(&fileName)5 file, err := os.Open(fileName)6 if err != nil {7 fmt.Println("Error opening file: ", err)8 }9 defer file.Close()10 scanner := bufio.NewScanner(file)11 for scanner.Scan() {12 line := scanner.Text()13 if td.grepBadKind(line) {14 fmt.Println(line)15 }16 }17}18import (19func main() {20 fmt.Println("Enter file name: ")21 fmt.Scanln(&fileName)22 file, err := os.Open(fileName)23 if err != nil {24 fmt.Println("Error opening file: ", err)25 }26 defer file.Close()27 scanner := bufio.NewScanner(file)28 for scanner.Scan() {29 line := scanner.Text()30 if td.grepBadKind(line) {31 fmt.Println(line)32 }33 }34}35import (36func main() {37 fmt.Println("Enter file name: ")38 fmt.Scanln(&fileName)39 file, err := os.Open(fileName)40 if err != nil {41 fmt.Println("Error opening file: ", err)42 }43 defer file.Close()44 scanner := bufio.NewScanner(file)45 for scanner.Scan() {46 line := scanner.Text()47 if td.grepBadKind(line) {48 fmt.Println(line)49 }50 }51}52import (53func main() {54 fmt.Println("Enter file name: ")55 fmt.Scanln(&fileName)56 file, err := os.Open(fileName)57 if err != nil {58 fmt.Println("Error opening file: ", err)59 }60 defer file.Close()61 scanner := bufio.NewScanner(file)

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grepBadKind

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1import "fmt"2import "os"3import "bufio"4import "strings"5type td struct {6}7func (t *td) grepBadKind() {8 if strings.Contains(t.kind, "bad") {9 fmt.Println(t.name, t.size)10 }11}12func main() {13 fmt.Println("Enter the name of the file: ")14 fmt.Scanln(&fileName)15 file, err := os.Open(fileName)16 if err != nil {17 fmt.Println("Error opening file")18 }19 defer file.Close()20 scanner := bufio.NewScanner(file)21 for scanner.Scan() {22 line := scanner.Text()23 fmt.Sscanf(line, "%s %s %d", &t.name, &t.kind, &t.size)24 t.grepBadKind()25 }26 if err := scanner.Err(); err != nil {27 fmt.Println("Error reading file")28 }29}

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grepBadKind

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1import (2func main() {3 file, err := os.Open("1.txt")4 if err != nil {5 fmt.Println(err)6 os.Exit(1)7 }8 defer file.Close()9 buf := make([]byte, 1024)10 _, err = file.Read(buf)11 if err != nil {12 fmt.Println(err)13 os.Exit(1)14 }15 str := string(buf)16 fmt.Println(str)17 re := regexp.MustCompile("[A-Z][a-z]+")18 match := re.FindAllString(str, -1)19 fmt.Println(match)20}21import (22func main() {23 file, err := os.Open("1.txt")24 if err != nil {25 fmt.Println(err)26 os.Exit(1)27 }28 defer file.Close()29 buf := make([]byte, 1024)30 _, err = file.Read(buf)31 if err != nil {32 fmt.Println(err)33 os.Exit(1)34 }35 str := string(buf)36 fmt.Println(str)37}38import (39func main() {40 file, err := os.Open("1.txt")41 if err != nil {42 fmt.Println(err)43 os.Exit(1)44 }45 defer file.Close()46 buf := make([]byte, 1024)47 _, err = file.Read(buf)48 if err != nil {49 fmt.Println(err)50 os.Exit(1)51 }

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grepBadKind

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1import (2type td struct {3}4func (t td) grepBadKind() bool {5 if t.kind == "bad" {6 }7}8func main() {9 data, err := ioutil.ReadFile("input.txt")10 if err != nil {11 fmt.Println("File reading error", err)12 }13 lines := strings.Split(string(data), "14 for _, line := range lines {15 split := strings.Split(line, " ")16 t := td{split[0], split[1]}17 tdarray = append(tdarray, t)18 }19 for _, t := range tdarray {20 if t.grepBadKind() {21 fmt.Println(t.name)22 }23 }24}

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grepBadKind

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1import (2type td struct {3}4func (t td) grepBadKind(s string) (int, int) {5 for i < len(s) {6 r, size := utf8.DecodeRuneInString(s[i:])7 if r == utf8.RuneError {8 }9 if r != ' ' && r != 'a' && r != 'b' {10 }11 }12}13func main() {14 i, k = t.grepBadKind(s)15 fmt.Println(strconv.Itoa(i) + " " + strconv.Itoa(k))16}17import (18type td struct {19}20func (t td) grepBadKind(s string) (int, int) {21 for i < len(s) {22 r, size := utf8.DecodeRuneInString(s[i:])23 if r == utf8.RuneError {24 }25 if r != ' ' && r != 'a' && r != 'b' {26 }27 }28}29func main() {30 i, k = t.grepBadKind(s)31 fmt.Println(strconv.Itoa(i) + " " + strconv.Itoa(k))32}

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