How to use Less method of tdutil Package

Best Go-testdeep code snippet using tdutil.Less

cmp_deeply.go

Source:cmp_deeply.go Github

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1// Copyright (c) 2018, Maxime Soulé2// All rights reserved.3//4// This source code is licensed under the BSD-style license found in the5// LICENSE file in the root directory of this source tree.6package td7import (8 "reflect"9 "strings"10 "github.com/maxatome/go-testdeep/helpers/tdutil"11 "github.com/maxatome/go-testdeep/internal/color"12 "github.com/maxatome/go-testdeep/internal/ctxerr"13 "github.com/maxatome/go-testdeep/internal/flat"14 "github.com/maxatome/go-testdeep/internal/trace"15)16func init() {17 trace.Init()18 trace.IgnorePackage()19}20// stripTrace removes go-testdeep useless calls in a trace returned by21// trace.Retrieve() to make it clearer for the reader.22func stripTrace(s trace.Stack) trace.Stack {23 if len(s) == 0 {24 return s25 }26 const (27 tdPkg = "github.com/maxatome/go-testdeep/td"28 tdhttpPkg = "github.com/maxatome/go-testdeep/helpers/tdhttp"29 tdsuitePkg = "github.com/maxatome/go-testdeep/helpers/tdsuite"30 )31 // Remove useless possible (*T).Run() or (*T).RunAssertRequire() first call32 if s.Match(-1, tdPkg, "(*T).Run.func1", "(*T).RunAssertRequire.func1") {33 // Remove useless tdhttp (*TestAPI).Run() call34 //35 // ✓ xxx Subtest.func1()36 // ✗ …/tdhttp (*TestAPI).Run.func137 // ✗ …/td (*T).Run.func1()38 if s.Match(-2, tdhttpPkg, "(*TestAPI).Run.func1") {39 return s[:len(s)-2]40 }41 // Remove useless tdsuite calls42 //43 // ✓ xxx Suite.TestSuite44 // ✗ reflect Value.call45 // ✗ reflect Value.Call46 // ✗ …/tdsuite run.func247 // ✗ …/td (*T).Run.func1() or (*T).RunAssertRequire.func1()48 //49 // or for PostTest50 // ✓ xxx Suite.PostTest51 // ✗ …/tdsuite run.func2.152 // ✗ …/tdsuite run.func253 // ✗ …/td (*T).Run.func1() or (*T).RunAssertRequire.func1()54 if s.Match(-2, tdsuitePkg, "run.func*") {55 // PostTest56 if s.Match(-3, tdsuitePkg, "run.func*") &&57 len(s) > 4 &&58 strings.HasSuffix(s[len(s)-4].Func, ".PostTest") {59 return s[:len(s)-3]60 }61 for i := len(s) - 3; i >= 1; i-- {62 if !s.Match(i, "reflect") {63 return s[:i+1]64 }65 }66 return nil67 }68 return s[:len(s)-1]69 }70 // Remove testing.Cleanup() stack71 //72 // ✓ xxx TestCleanup.func273 // ✗ testing (*common).Cleanup.func174 // ✗ testing (*common).runCleanup75 // ✗ testing tRunner.func276 if s.Match(-1, "testing", "tRunner.func*") &&77 s.Match(-2, "testing", "(*common).runCleanup") &&78 s.Match(-3, "testing", "(*common).Cleanup.func1") {79 return s[:len(s)-3]80 }81 // Remove tdsuite pre-Setup/BetweenTests/Destroy stack82 //83 // ✓ xxx Suite.Destroy84 // ✗ …/tdsuite run.func185 // ✗ …/tdsuite run86 // ✗ …/tdsuite Run87 // ✓ xxx TestSuiteDestroy88 if !s.Match(-1, tdsuitePkg) &&89 s.Match(-2, tdsuitePkg, "Run") {90 for i := len(s) - 3; i >= 0; i-- {91 if !s.Match(i, tdsuitePkg) {92 s[i+1] = s[len(s)-1]93 return s[:i+2]94 }95 }96 return s[:1]97 }98 return s99}100func formatError(t TestingT, isFatal bool, err *ctxerr.Error, args ...any) {101 t.Helper()102 const failedTest = "Failed test"103 args = flat.Interfaces(args...)104 var buf strings.Builder105 color.AppendTestNameOn(&buf)106 if len(args) == 0 {107 buf.WriteString(failedTest)108 } else {109 buf.WriteString(failedTest + " '")110 tdutil.FbuildTestName(&buf, args...)111 buf.WriteString("'")112 }113 color.AppendTestNameOff(&buf)114 buf.WriteString("\n")115 err.Append(&buf, "")116 // Stask trace117 if s := stripTrace(trace.Retrieve(0, "testing.tRunner")); s.IsRelevant() {118 buf.WriteString("\nThis is how we got here:\n")119 s.Dump(&buf)120 }121 if isFatal {122 t.Fatal(buf.String())123 } else {124 t.Error(buf.String())125 }126}127func cmpDeeply(ctx ctxerr.Context, t TestingT, got, expected any,128 args ...any,129) bool {130 err := deepValueEqualFinal(ctx,131 reflect.ValueOf(got), reflect.ValueOf(expected))132 if err == nil {133 return true134 }135 t.Helper()136 formatError(t, ctx.FailureIsFatal, err, args...)137 return false138}139// S returns a string based on args as Cmp* functions do with their140// own args parameter to name their test. So behind the scene,141// [tdutil.BuildTestName] is used.142//143// If len(args) > 1 and the first item of args is a string and144// contains a '%' rune then [fmt.Fprintf] is used to compose the145// returned string, else args are passed to [fmt.Fprint].146//147// It can be used as a shorter [fmt.Sprintf]:148//149// t.Run(fmt.Sprintf("Foo #%d", i), func(t *td.T) {})150// t.Run(td.S("Foo #%d", i), func(t *td.T) {})151//152// or to print any values as [fmt.Sprint] handles them:153//154// a, ok := []int{1, 2, 3}, true155// t.Run(fmt.Sprint(a, ok), func(t *td.T) {})156// t.Run(td.S(a, ok), func(t *td.T) {})157//158// The only gain is less characters to type.159func S(args ...any) string {160 return tdutil.BuildTestName(args...)161}162// Cmp returns true if got matches expected. expected can163// be the same type as got is, or contains some [TestDeep]164// operators. If got does not match expected, it returns false and165// the reason of failure is logged with the help of t Error()166// method.167//168// got := "foobar"169// td.Cmp(t, got, "foobar") // succeeds170// td.Cmp(t, got, td.HasPrefix("foo")) // succeeds171//172// If t is a [*T] then its Config is inherited, so:173//174// td.Cmp(td.Require(t), got, 42)175//176// is the same as:177//178// td.Require(t).Cmp(got, 42)179//180// args... are optional and allow to name the test. This name is181// used in case of failure to qualify the test. If len(args) > 1 and182// the first item of args is a string and contains a '%' rune then183// [fmt.Fprintf] is used to compose the name, else args are passed to184// [fmt.Fprint]. Do not forget it is the name of the test, not the185// reason of a potential failure.186func Cmp(t TestingT, got, expected any, args ...any) bool {187 t.Helper()188 return cmpDeeply(newContext(t), t, got, expected, args...)189}190// CmpDeeply works the same as [Cmp] and is still available for191// compatibility purpose. Use shorter [Cmp] in new code.192//193// got := "foobar"194// td.CmpDeeply(t, got, "foobar") // succeeds195// td.CmpDeeply(t, got, td.HasPrefix("foo")) // succeeds196func CmpDeeply(t TestingT, got, expected any, args ...any) bool {197 t.Helper()198 return cmpDeeply(newContext(t), t, got, expected, args...)199}...

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sort.go

Source:sort.go Github

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1// Copyright (c) 2019, Maxime Soulé2// All rights reserved.3//4// This source code is licensed under the BSD-style license found in the5// LICENSE file in the root directory of this source tree.6package tdutil7import (8 "math"9 "reflect"10 "github.com/maxatome/go-testdeep/internal/visited"11)12func cmpRet(less, gt bool) int {13 if less {14 return -115 }16 if gt {17 return 118 }19 return 020}21func cmpFloat(a, b float64) int {22 if math.IsNaN(a) {23 return -124 }25 if math.IsNaN(b) {26 return 127 }28 return cmpRet(a < b, a > b)29}30// cmp returns -1 if a < b, 1 if a > b, 0 if a == b.31func cmp(v visited.Visited, a, b reflect.Value) int {32 if !a.IsValid() {33 if !b.IsValid() {34 return 035 }36 return -137 }38 if !b.IsValid() {39 return 140 }41 if at, bt := a.Type(), b.Type(); at != bt {42 sat, sbt := at.String(), bt.String()43 return cmpRet(sat < sbt, sat > sbt)44 }45 // Avoid looping forever on cyclic references46 if v.Record(a, b) {47 return 048 }49 switch a.Kind() {50 case reflect.Bool:51 if a.Bool() {52 if b.Bool() {53 return 054 }55 return 156 }57 if b.Bool() {58 return -159 }60 return 061 case reflect.Int, reflect.Int8, reflect.Int16, reflect.Int32, reflect.Int64:62 na, nb := a.Int(), b.Int()63 return cmpRet(na < nb, na > nb)64 case reflect.Uint, reflect.Uint8, reflect.Uint16, reflect.Uint32,65 reflect.Uint64, reflect.Uintptr:66 na, nb := a.Uint(), b.Uint()67 return cmpRet(na < nb, na > nb)68 case reflect.Float32, reflect.Float64:69 return cmpFloat(a.Float(), b.Float())70 case reflect.Complex64, reflect.Complex128:71 na, nb := a.Complex(), b.Complex()72 fa, fb := real(na), real(nb)73 if r := cmpFloat(fa, fb); r != 0 {74 return r75 }76 return cmpFloat(imag(na), imag(nb))77 case reflect.String:78 sa, sb := a.String(), b.String()79 return cmpRet(sa < sb, sa > sb)80 case reflect.Array:81 for i := 0; i < a.Len(); i++ {82 if r := cmp(v, a.Index(i), b.Index(i)); r != 0 {83 return r84 }85 }86 return 087 case reflect.Slice:88 al, bl := a.Len(), b.Len()89 maxl := al90 if al > bl {91 maxl = bl92 }93 for i := 0; i < maxl; i++ {94 if r := cmp(v, a.Index(i), b.Index(i)); r != 0 {95 return r96 }97 }98 return cmpRet(al < bl, al > bl)99 case reflect.Interface:100 if a.IsNil() {101 if b.IsNil() {102 return 0103 }104 return -1105 }106 if b.IsNil() {107 return 1108 }109 return cmp(v, a.Elem(), b.Elem())110 case reflect.Struct:111 for i, m := 0, a.NumField(); i < m; i++ {112 if r := cmp(v, a.Field(i), b.Field(i)); r != 0 {113 return r114 }115 }116 return 0117 case reflect.Ptr:118 if a.Pointer() == b.Pointer() {119 return 0120 }121 if a.IsNil() {122 return -1123 }124 if b.IsNil() {125 return 1126 }127 return cmp(v, a.Elem(), b.Elem())128 case reflect.Map:129 // consider shorter maps are before longer ones130 al, bl := a.Len(), b.Len()131 if r := cmpRet(al < bl, al > bl); r != 0 {132 return r133 }134 // then fallback on pointers comparison. How to say a map is135 // before another one otherwise?136 fallthrough137 case reflect.Func, reflect.Chan, reflect.UnsafePointer:138 pa, pb := a.Pointer(), b.Pointer()139 return cmpRet(pa < pb, pa > pb)140 default:141 panic("don't know how to compare " + a.Kind().String())142 }143}...

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sort_values.go

Source:sort_values.go Github

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...50}51func (v *rValues) Len() int {52 return len(v.Slice)53}54func (v *rValues) Less(i, j int) bool {55 return cmp(v.Visited, v.Slice[i], v.Slice[j]) < 056}57func (v *rValues) Swap(i, j int) {58 v.Slice[i], v.Slice[j] = v.Slice[j], v.Slice[i]59}

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Less

Using AI Code Generation

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1import (2func main() {3 fmt.Println(tdutil.Less(1, 2))4}5import (6func main() {7 fmt.Println(tdutil.Less(1, 2))8}9import (10func main() {11 fmt.Println(tdutil.Less(1, 2))12}13In the above example, we have created a package named tdutil and we have created a method named Less in it. Now, we have created four go files named 1.go, 2.go, 3.go, and 4.go. Each of these files imports the tdutil package and uses the Less method of tdutil class. So, we have created four executables files named 1

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Less

Using AI Code Generation

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1import (2func main() {3 fmt.Println("Enter 2 numbers")4 fmt.Scanln(&a, &b)5 fmt.Println("Smallest number is", tdutil.Less(a, b))6}

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Less

Using AI Code Generation

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1import (2func main() {3 a := []int{1, 2, 3, 4, 5}4 fmt.Println(tdutil.Less(a, 0, 1))5}6import (7func main() {8 a := []int{1, 2, 3, 4, 5}9 fmt.Println(tdutil.Less(a, 1, 0))10}11import (12func main() {13 a := []int{1, 2, 3, 4, 5}14 fmt.Println(tdutil.Less(a, 0, 0))15}16import (17func main() {

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Less

Using AI Code Generation

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1import (2func main() {3 a.Set(1, 2, 3)4 b.Set(4, 5, 6)5 fmt.Println(a.Less(b))6}7import (8type TD struct {9}10func (t TD) String() string {11 return fmt.Sprintf("%02d:%02d:%02d", t.h, t.m, t.s)12}13func (t *TD) Set(h, m, s int) {14}15func (t TD) Less(u TD) bool {16 if t.h < u.h {17 } else if t.h > u.h {18 } else {19 if t.m < u.m {20 } else if t.m > u.m {21 } else {22 }23 }24}25import (26func TestTD(t *testing.T) {27 a.Set(1, 2, 3)28 b.Set(4, 5, 6)29 if a.Less(b) {30 t.Log("OK")31 } else {32 t.Error("Error")33 }34}35--- PASS: TestTD (0.00s)36--- FAIL: TestTD (0.00s)

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Less

Using AI Code Generation

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1import (2func main() {3 td = tdutil.TD{2017, 12, 31}4 fmt.Println(td)5 fmt.Println(tdutil.Less(td, tdutil.TD{2018, 1, 1}))6}7{2017 12 31}

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Less

Using AI Code Generation

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1import (2func main() {3 fmt.Println(tdutil.Less(2, 3))4 fmt.Println(tdutil.Less(3, 2))5 fmt.Println(tdutil.Less(3, 3))6}7func Less(a, b int) bool {8}9import (10func main() {11 fmt.Println(tdutil.Less(2, 3))12 fmt.Println(tdutil.Less(3, 2))13 fmt.Println(tdutil.Less(3, 3))14}15import (16func main() {17 fmt.Println(tdutil.Less(2, 3))18 fmt.Println(tdutil.Less(3, 2))19 fmt.Println(tdutil.Less(3, 3))20}21import (22func main() {23 fmt.Println(tdutil.Less(2, 3))24 fmt.Println(tdutil.Less(3, 2))25 fmt.Println(tdutil.Less(3, 3))26}27import (28func main() {29 fmt.Println(tdutil.Less(2, 3))30 fmt.Println(tdutil.Less(3, 2))31 fmt.Println(tdutil.Less(3, 3))32}33import (34func main() {35 fmt.Println(tdutil.Less(2, 3))36 fmt.Println(tdutil.Less(3, 2))37 fmt.Println(tdutil.Less(3, 3))38}39import (40func main() {41 fmt.Println(tdutil.Less(2, 3))42 fmt.Println(tdutil.Less(3, 2))43 fmt.Println(tdutil.Less(3, 3))44}45import (46func main() {47 fmt.Println(tdutil.Less(2, 3))48 fmt.Println(tdutil.Less(3, 2))49 fmt.Println(tdutil.Less(3, 3))50}51import (

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Less

Using AI Code Generation

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1import (2func main() {3 td = append(td, tdutil.TD{1, "A", 5})4 td = append(td, tdutil.TD{2, "B", 4})5 td = append(td, tdutil.TD{3, "C", 3})6 td = append(td, tdutil.TD{4, "D", 2})7 td = append(td, tdutil.TD{5, "E", 1})8 sort.Sort(tdutil.ByID(td))9 for _, v := range td {10 fmt.Println(v)11 }12}13import (14func main() {15 td = append(td, tdutil.TD{1, "A", 5})16 td = append(td, tdutil.TD{2, "B", 4})17 td = append(td, tdutil.TD{3, "C", 3})18 td = append(td, tdutil.TD{4, "D", 2})19 td = append(td, tdutil.TD{5, "E", 1})20 sort.Sort(tdutil.ByID(td))21 for _, v := range td {22 fmt.Println(v)23 }24}

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