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How to use HasPrefix method of td Package

Best Go-testdeep code snippet using td.HasPrefix

td_string.go

Source:td_string.go

...67//68//	bstr := bytes.NewBufferString("fmt.Stringer!")69//	td.Cmp(t, bstr, td.String("fmt.Stringer!")) // succeeds70//71// See also [Contains], [HasPrefix], [HasSuffix], [Re] and [ReAll].72func String(expected string) TestDeep {73	return &tdString{74		tdStringBase: newStringBase(expected),75	}76}77func (s *tdString) Match(ctx ctxerr.Context, got reflect.Value) *ctxerr.Error {78	str, err := getString(ctx, got)79	if err != nil {80		return err81	}82	if str == s.expected {83		return nil84	}85	if ctx.BooleanError {86		return ctxerr.BooleanError87	}88	return ctx.CollectError(&ctxerr.Error{89		Message:  "does not match",90		Got:      str,91		Expected: s,92	})93}94func (s *tdString) String() string {95	return util.ToString(s.expected)96}97type tdHasPrefix struct {98	tdStringBase99}100var _ TestDeep = &tdHasPrefix{}101// summary(HasPrefix): checks the prefix of a string, []byte, error or102// fmt.Stringer interfaces103// input(HasPrefix): str,slice([]byte),if(â + fmt.Stringer/error)104// HasPrefix operator allows to compare the prefix of a string (or105// convertible), []byte (or convertible), error or [fmt.Stringer]106// interface (error interface is tested before [fmt.Stringer]).107//108//	td.Cmp(t, []byte("foobar"), td.HasPrefix("foo")) // succeeds109//110//	type Foobar string111//	td.Cmp(t, Foobar("foobar"), td.HasPrefix("foo")) // succeeds112//113//	err := errors.New("error!")114//	td.Cmp(t, err, td.HasPrefix("err")) // succeeds115//116//	bstr := bytes.NewBufferString("fmt.Stringer!")117//	td.Cmp(t, bstr, td.HasPrefix("fmt")) // succeeds118//119// See also [Contains], [HasSuffix], [Re], [ReAll] and [String].120func HasPrefix(expected string) TestDeep {121	return &tdHasPrefix{122		tdStringBase: newStringBase(expected),123	}124}125func (s *tdHasPrefix) Match(ctx ctxerr.Context, got reflect.Value) *ctxerr.Error {126	str, err := getString(ctx, got)127	if err != nil {128		return err129	}130	if strings.HasPrefix(str, s.expected) {131		return nil132	}133	if ctx.BooleanError {134		return ctxerr.BooleanError135	}136	return ctx.CollectError(&ctxerr.Error{137		Message:  "has not prefix",138		Got:      str,139		Expected: s,140	})141}142func (s *tdHasPrefix) String() string {143	return "HasPrefix(" + util.ToString(s.expected) + ")"144}145type tdHasSuffix struct {146	tdStringBase147}148var _ TestDeep = &tdHasSuffix{}149// summary(HasSuffix): checks the suffix of a string, []byte, error or150// fmt.Stringer interfaces151// input(HasSuffix): str,slice([]byte),if(â + fmt.Stringer/error)152// HasSuffix operator allows to compare the suffix of a string (or153// convertible), []byte (or convertible), error or [fmt.Stringer]154// interface (error interface is tested before [fmt.Stringer]).155//156//	td.Cmp(t, []byte("foobar"), td.HasSuffix("bar")) // succeeds157//158//	type Foobar string159//	td.Cmp(t, Foobar("foobar"), td.HasSuffix("bar")) // succeeds160//161//	err := errors.New("error!")162//	td.Cmp(t, err, td.HasSuffix("!")) // succeeds163//164//	bstr := bytes.NewBufferString("fmt.Stringer!")165//	td.Cmp(t, bstr, td.HasSuffix("!")) // succeeds166//167// See also [Contains], [HasPrefix], [Re], [ReAll] and [String].168func HasSuffix(expected string) TestDeep {169	return &tdHasSuffix{170		tdStringBase: newStringBase(expected),171	}172}173func (s *tdHasSuffix) Match(ctx ctxerr.Context, got reflect.Value) *ctxerr.Error {174	str, err := getString(ctx, got)175	if err != nil {176		return err177	}178	if strings.HasSuffix(str, s.expected) {179		return nil180	}181	if ctx.BooleanError {...

td_string_test.go

Source:td_string_test.go

...41			Got:      mustBe("int"),42			Expected: mustBe("string (convertible) OR []byte (convertible) OR fmt.Stringer OR error"),43		})44}45func TestHasPrefix(t *testing.T) {46	checkOK(t, "foobar", td.HasPrefix("foo"))47	checkOK(t, []byte("foobar"), td.HasPrefix("foo"))48	type MyBytes []byte49	checkOK(t, MyBytes("foobar"), td.HasPrefix("foo"))50	type MyString string51	checkOK(t, MyString("foobar"), td.HasPrefix("foo"))52	// error interface53	checkOK(t, errors.New("pipo bingo"), td.HasPrefix("pipo"))54	// fmt.Stringer interface55	checkOK(t, MyStringer{}, td.HasPrefix("pipo"))56	checkError(t, "foo bar test", td.HasPrefix("pipo"),57		expectedError{58			Message:  mustBe("has not prefix"),59			Path:     mustBe("DATA"),60			Got:      mustContain(`"foo bar test"`),61			Expected: mustMatch(`^HasPrefix\(.*"pipo"`),62		})63	checkError(t, []int{1, 2}, td.HasPrefix("bar"),64		expectedError{65			Message:  mustBe("bad type"),66			Path:     mustBe("DATA"),67			Got:      mustBe("[]int"),68			Expected: mustBe("string (convertible) OR []byte (convertible) OR fmt.Stringer OR error"),69		})70	checkError(t, 12, td.HasPrefix("bar"),71		expectedError{72			Message:  mustBe("bad type"),73			Path:     mustBe("DATA"),74			Got:      mustBe("int"),75			Expected: mustBe("string (convertible) OR []byte (convertible) OR fmt.Stringer OR error"),76		})77}78func TestHasSuffix(t *testing.T) {79	checkOK(t, "foobar", td.HasSuffix("bar"))80	checkOK(t, []byte("foobar"), td.HasSuffix("bar"))81	type MyBytes []byte82	checkOK(t, MyBytes("foobar"), td.HasSuffix("bar"))83	type MyString string84	checkOK(t, MyString("foobar"), td.HasSuffix("bar"))85	// error interface86	checkOK(t, errors.New("pipo bingo"), td.HasSuffix("bingo"))87	// fmt.Stringer interface88	checkOK(t, MyStringer{}, td.HasSuffix("bingo"))89	checkError(t, "foo bar test", td.HasSuffix("pipo"),90		expectedError{91			Message:  mustBe("has not suffix"),92			Path:     mustBe("DATA"),93			Got:      mustContain(`"foo bar test"`),94			Expected: mustMatch(`^HasSuffix\(.*"pipo"`),95		})96	checkError(t, []int{1, 2}, td.HasSuffix("bar"),97		expectedError{98			Message:  mustBe("bad type"),99			Path:     mustBe("DATA"),100			Got:      mustBe("[]int"),101			Expected: mustBe("string (convertible) OR []byte (convertible) OR fmt.Stringer OR error"),102		})103	checkError(t, 12, td.HasSuffix("bar"),104		expectedError{105			Message:  mustBe("bad type"),106			Path:     mustBe("DATA"),107			Got:      mustBe("int"),108			Expected: mustBe("string (convertible) OR []byte (convertible) OR fmt.Stringer OR error"),109		})110}111func TestStringTypeBehind(t *testing.T) {112	equalTypes(t, td.String("x"), nil)113	equalTypes(t, td.HasPrefix("x"), nil)114	equalTypes(t, td.HasSuffix("x"), nil)115}...

adac.go

Source:adac.go

...100		for _, image := range images {101			if strings.Contains(image, "</td>") {102				return103			}104			if strings.HasPrefix(image, "0.gif") {105				price += "0"106			} else if strings.HasPrefix(image, "1.gif") {107				price += "1"108			} else if strings.HasPrefix(image, "2.gif") {109				price += "2"110			} else if strings.HasPrefix(image, "3.gif") {111				price += "3"112			} else if strings.HasPrefix(image, "4.gif") {113				price += "4"114			} else if strings.HasPrefix(image, "5.gif") {115				price += "5"116			} else if strings.HasPrefix(image, "6.gif") {117				price += "6"118			} else if strings.HasPrefix(image, "7.gif") {119				price += "7"120			} else if strings.HasPrefix(image, "8.gif") {121				price += "8"122			} else if strings.HasPrefix(image, "9.gif") {123				price += "9"124			} else if strings.HasPrefix(image, "punkt.gif") {125				price += "."126			}127		}128	}()129	if price == "" {130		return 0.0, err131	}132	f, err := strconv.ParseFloat(price, 64)133	return f, err134}...

HasPrefix

Using AI Code Generation

1import (2func main() {3	fmt.Println(strings.HasPrefix("Gopher", "Go"))4	fmt.Println(strings.HasPrefix("Gopher", "C"))5	fmt.Println(strings.HasPrefix("Gopher", ""))6}7import (8func main() {9	fmt.Println(strings.HasSuffix("Amigo", "go"))10	fmt.Println(strings.HasSuffix("Amigo", "O"))11	fmt.Println(strings.HasSuffix("Amigo", "Ami"))12	fmt.Println(strings.HasSuffix("Amigo", ""))13}14import (15func main() {16	fmt.Println(strings.Index("chicken", "ken"))17	fmt.Println(strings.Index("chicken", "dmr"))18}19import (20func main() {21	fmt.Println(strings.IndexAny("chicken", "aeiouy"))22	fmt.Println(strings.IndexAny("crwth", "aeiouy"))23}24import (25func main() {26	fmt.Println(strings.IndexByte("golang", 'g'))27	fmt.Println(strings.IndexByte("golang", 'o'))28	fmt.Println(strings.IndexByte("golang", 'x'))29}30import (31func main() {32	f := func(c rune) bool {33	}34	fmt.Println(strings.IndexFunc("golang", f))35	fmt.Println(strings.IndexFunc("123go", f))36}37import (38func main() {39	fmt.Println(strings.IndexRune("chicken", 'k'))40	fmt.Println(strings.IndexRune

HasPrefix

Using AI Code Generation

1import (2func main() {3	fmt.Println(strings.HasPrefix("Gopher", "Go"))4	fmt.Println(strings.HasPrefix("Gopher", "C"))5	fmt.Println(strings.HasPrefix("Gopher", ""))6}7import (8func main() {9	fmt.Println(strings.HasSuffix("Amigo", "go"))10	fmt.Println(strings.HasSuffix("Amigo", "O"))11	fmt.Println(strings.HasSuffix("Amigo", "Ami"))12	fmt.Println(strings.HasSuffix("Amigo", ""))13}14import (15func main() {16	fmt.Println(strings.Index("chicken", "ken"))17	fmt.Println(strings.Index("chicken", "dmr"))18}19import (20func main() {21	fmt.Println(strings.IndexAny("chicken", "aeiouy"))22	fmt.Println(strings.IndexAny("crwth", "aeiouy"))23}24import (25func main() {26	fmt.Println(strings.IndexRune("chicken", 'k'))27	fmt.Println(strings.IndexRune("chicken", 'd'))28}

HasPrefix

Using AI Code Generation

1import (2func main() {3	fmt.Println(strings.HasPrefix("Gopher", "Go"))4	fmt.Println(strings.HasPrefix("Gopher", "C"))5	fmt.Println(strings.HasPrefix("Gopher", ""))6}7Syntax: func HasSuffix(s, suffix string) bool8import (9func main() {10	fmt.Println(strings.HasSuffix("Amigo", "go"))11	fmt.Println(strings.HasSuffix("Amigo", "O"))12	fmt.Println(strings.HasSuffix("Amigo", "Ami"))13	fmt.Println(strings.HasSuffix("Amigo", ""))14}15Syntax: func Contains(s, substr string) bool16import (17func main() {18	fmt.Println(strings.Contains("seafood", "foo"))19	fmt.Println(strings.Contains("seafood", "bar"))20	fmt.Println(strings.Contains("seafood", ""))21	fmt.Println(strings.Contains("", ""))22}23Syntax: func ContainsAny(s, chars string) bool24import (25func main() {26	fmt.Println(strings.ContainsAny("team", "i"))27	fmt.Println(strings.ContainsAny("failure", "u & i"))28	fmt.Println(strings.ContainsAny("in failure", "s g"))29	fmt.Println(strings.ContainsAny("foo", ""))30	fmt.Println(strings.ContainsAny("", ""))31}32Syntax: func ContainsRune(s string, r rune) bool33import (34func main() {35	fmt.Println(strings.ContainsRune("

HasPrefix

Using AI Code Generation

1import (2func main() {3	fmt.Println(strings.HasPrefix("Gopher", "Go"))4	fmt.Println(strings.HasPrefix("Gopher", "C"))5	fmt.Println(strings.HasPrefix("Gopher", ""))6}7import (8func main() {9	fmt.Println(strings.HasSuffix("Amigo", "go"))10	fmt.Println(strings.HasSuffix("Amigo", "O"))11	fmt.Println(strings.HasSuffix("Amigo", "Ami"))12	fmt.Println(strings.HasSuffix("Amigo", ""))13}14import (15func main() {16	fmt.Println(strings.Index("chicken", "ken"))17	fmt.Println(strings.Index("chicken", "dmr"))18}19import (20func main() {21	fmt.Println(strings.IndexAny("chicken", "aeiouy"))22	fmt.Println(strings.IndexAny("crwth", "aeiouy"))23}24import (25func main() {26	fmt.Println(strings.IndexRune("chicken", 'k'))27	fmt.Println(strings.IndexRune("chicken", 'd'))28}29import (30func main() {31	f := func(c rune) bool {32		return unicode.Is(unicode.Han, c)33	}34	fmt.Println(strings.IndexFunc("Hello, 世界", f))35	fmt.Println(strings.IndexFunc("Hello, world", f))36}37import (38func main() {39	fmt.Println(strings.IndexByte("golang", 'g'))40	fmt.Println(strings.IndexByte("golang", 'o'))41	fmt.Println(strings.IndexByte("golang", 'x'))42}43import (

HasPrefix

Using AI Code Generation

1import (2func main() {3	fmt.Println(strings.HasPrefix("Gopher", "Go"))4	fmt.Println(strings.HasPrefix("Gopher", "C"))5	fmt.Println(strings.HasPrefix("Gopher", ""))6}7import (8func main() {9	fmt.Println(strings.HasSuffix("Amigo", "go"))10	fmt.Println(strings.HasSuffix("Amigo", "O"))11	fmt.Println(strings.HasSuffix("Amigo", "Ami"))12	fmt.Println(strings.HasSuffix("Amigo", ""))13}14import (15func main() {16	fmt.Println(strings.Index("chicken", "ken"))17	fmt.Println(strings.Index("chicken", "dmr"))18}19import (20func main() {21	fmt.Println(strings.IndexAny("chicken", "aeiouy"))22	fmt.Println(strings.IndexAny("crwth", "aeiouy"))23}24import (25func main() {26	fmt.Println(strings.IndexRune("chicken", 'k'))27	fmt.Println(strings.IndexRune("chicken", 'd'))28}29import (30func main() {31	f := func(c rune) bool {32	}33	fmt.Println(strings.IndexFunc("chicken", f))34	fmt.Println(strings.IndexFunc("chicken", func(c rune) bool {35	}))36}37import (38func main() {39	fmt.Println(strings.LastIndex("go gopher", "go"))40}41import (42func main() {43	fmt.Println(strings

HasPrefix

Using AI Code Generation

1import (2func main() {3	fmt.Println(strings.HasPrefix("Gopher", "Go"))4	fmt.Println(strings.HasPrefix("Gopher", "C"))5	fmt.Println(strings.HasPrefix("Gopher", ""))6}7import (8func main() {9	fmt.Println(strings.HasSuffix("Amigo", "go"))10	fmt.Println(strings.HasSuffix("Amigo", "O"))11	fmt.Println(strings.HasSuffix("Amigo", "Ami"))12	fmt.Println(strings.HasSuffix("Amigo", ""))13}14import (15func main() {16	fmt.Println(strings.Index("chicken", "ken"))17	fmt.Println(strings.Index("chicken", "dmr"))18}19import (20func main() {21	fmt.Println(strings.IndexAny("chicken", "aeiouy"))22	fmt.Println(strings.IndexAny("crwth", "aeiouy"))23}24import (25func main() {26	fmt.Println(strings.IndexByte("golang", 'g'))27	fmt.Println(strings.IndexByte("gophers", 'h'))28}29import (30func main() {31	f := func(c rune) bool {32		return unicode.Is(unicode.Han, c)33	}34	fmt.Println(strings.IndexFunc("Hello, 世界", f))35	fmt.Println(strings.IndexFunc("Hello, world", f))36}37import (

HasPrefix

Using AI Code Generation

1import (2func main() {3fmt.Println(strings.HasPrefix("Gopher", "Go"))4fmt.Println(strings.HasPrefix("Gopher", "C"))5fmt.Println(strings.HasPrefix("Gopher", ""))6}7func HasSuffix(s, suffix string) bool8import (9func main() {10fmt.Println(strings.HasSuffix("Amigo", "go"))11fmt.Println(strings.HasSuffix("Amigo", "O"))12fmt.Println(strings.HasSuffix("Amigo", "Ami"))13fmt.Println(strings.HasSuffix("Amigo", ""))14}15func Compare(a, b string) int16import (17func main() {18fmt.Println(strings.Compare("A", "B"))19fmt.Println(strings.Compare("B", "A"))20fmt.Println(strings.Compare("A", "A"))21fmt.Println(strings.Compare("a", "A"))22}23func CompareFold(s, t string) int

HasPrefix

Using AI Code Generation

1import (2func main() {3	fmt.Println(strings.HasPrefix("Golang", "Go"))4	fmt.Println(strings.HasPrefix("Golang", "C"))5}6import (7func main() {8	fmt.Println(strings.HasSuffix("Golang", "lang"))9	fmt.Println(strings.HasSuffix("Golang", "go"))10}11import (12func main() {13	fmt.Println(strings.Index("Golang", "o"))14	fmt.Println(strings.Index("Golang", "Go"))15	fmt.Println(strings.Index("Golang", "x"))16}17import (18func main() {19	fmt.Println(strings.LastIndex("Golang", "o"))20	fmt.Println(strings.LastIndex("Golang", "Go"))21	fmt.Println(strings.LastIndex("Golang", "x"))22}23import (24func main() {25	fmt.Println(strings.IndexAny("Golang", "o"))26	fmt.Println(strings.IndexAny("Golang", "Go"))27	fmt.Println(strings.IndexAny("Golang", "x"))28}29import (30func main() {31	fmt.Println(strings.LastIndexAny("Golang", "o"))32	fmt.Println(strings.LastIndexAny("Golang", "Go"))33	fmt.Println(strings.LastIndexAny("Golang", "x"))34}35import (36func main() {37	fmt.Println(strings

HasPrefix

Using AI Code Generation

1import (2func main() {3fmt.Println("HasPrefix(\"Gopher\", \"Go\"):", strings.HasPrefix("Gopher", "Go"))4fmt.Println("HasPrefix(\"Gopher\", \"C\"):", strings.HasPrefix("Gopher", "C"))5fmt.Println("HasPrefix(\"Gopher\", \"\"):", strings.HasPrefix("Gopher", ""))6}7import (8func main() {9fmt.Println("HasSuffix(\"Amigo\", \"go\"):", strings.HasSuffix("Amigo", "go"))10fmt.Println("HasSuffix(\"Amigo\", \"O\"):", strings.HasSuffix("Amigo", "O"))11fmt.Println("HasSuffix(\"Amigo\", \"Ami\"):", strings.HasSuffix("Amigo", "Ami"))12fmt.Println("HasSuffix(\"Amigo\", \"\"):", strings.HasSuffix("Amigo", ""))13}14import (15func main() {16fmt.Println("Index(\"chicken\", \"ken\"):", strings.Index("chicken", "ken"))17fmt.Println("Index(\"chicken\", \"dmr\"):", strings.Index("chicken", "dmr"))18}19import (20func main() {21fmt.Println(strings.IndexAny("chicken", "aeiouy"))22fmt.Println(strings.IndexAny("crwth", "aeiouy"))23}24import (

HasPrefix

Using AI Code Generation

1import (2func main() {3	fmt.Println(strings.HasPrefix("Hello World", "Hello"))4	fmt.Println(strings.HasPrefix("Hello World", "World"))5}6func Index(s, sep string) int7import (8func main() {9	fmt.Println(strings.Index("Hello World", "Hello"))10	fmt.Println(strings.Index("Hello World", "World"))11}12func IndexAny(s, chars string) int13import (14func main() {15	fmt.Println(strings.IndexAny("Hello World", "H"))16	fmt.Println(strings.IndexAny("Hello World", "W"))17}18func IndexByte(s string, c byte) int19import (20func main() {21	fmt.Println(strings.IndexByte("Hello World", 'H'))22	fmt.Println(strings.IndexByte("Hello World", 'W'))23}

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