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How to use AppendTestNameOn method of color Package

Best Go-testdeep code snippet using color.AppendTestNameOn

color.go

Source:color.go

...159		}160	}161	return string(light[start:end]), string(bold[start:end]), "\x1b[0m"162}163// AppendTestNameOn enables test name color in b.164func AppendTestNameOn(b *strings.Builder) {165	Init()166	b.WriteString(TestNameOn)167}168// AppendTestNameOff disables test name color in b.169func AppendTestNameOff(b *strings.Builder) {170	Init()171	b.WriteString(TestNameOff)172}173// Bad returns a string surrounded by BAD color. If len(args) is > 0,174// s and args are given to fmt.Sprintf.175//176// Typically used in panic() when the user made a mistake.177func Bad(s string, args ...any) string {178	Init()...

cmp_deeply.go

Source:cmp_deeply.go

...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)...

color_test.go

Source:color_test.go

...21		test.EqualStr(t, light, "")22		test.EqualStr(t, bold, "")23		test.EqualStr(t, off, "")24		var b strings.Builder25		color.AppendTestNameOn(&b)26		test.EqualInt(t, b.Len(), 0)27		color.AppendTestNameOff(&b)28		test.EqualInt(t, b.Len(), 0)29	}30	// on31	colorTestNameOnSave, colorTestNameOffSave := color.TestNameOn, color.TestNameOff32	defer func() {33		color.TestNameOn, color.TestNameOff = colorTestNameOnSave, colorTestNameOffSave34	}()35	for _, flag := range []string{"on", ""} {36		os.Setenv("TESTDEEP_COLOR", flag)37		os.Setenv("MY_TEST_COLOR", "")38		light, bold, off := color.FromEnv("MY_TEST_COLOR", "red")39		test.EqualStr(t, light, "\x1b[0;31m")40		test.EqualStr(t, bold, "\x1b[1;31m")41		test.EqualStr(t, off, "\x1b[0m")42		// on + override43		os.Setenv("MY_TEST_COLOR", "green")44		light, bold, off = color.FromEnv("MY_TEST_COLOR", "red")45		test.EqualStr(t, light, "\x1b[0;32m")46		test.EqualStr(t, bold, "\x1b[1;32m")47		test.EqualStr(t, off, "\x1b[0m")48		// on + override including background49		os.Setenv("MY_TEST_COLOR", "green:magenta")50		light, bold, off = color.FromEnv("MY_TEST_COLOR", "red")51		test.EqualStr(t, light, "\x1b[0;32m\x1b[45m")52		test.EqualStr(t, bold, "\x1b[1;32m\x1b[45m")53		test.EqualStr(t, off, "\x1b[0m")54		// on + override including background only55		os.Setenv("MY_TEST_COLOR", ":magenta")56		light, bold, off = color.FromEnv("MY_TEST_COLOR", "red")57		test.EqualStr(t, light, "\x1b[45m")58		test.EqualStr(t, bold, "\x1b[45m")59		test.EqualStr(t, off, "\x1b[0m")60		// on + bad colors61		os.Setenv("MY_TEST_COLOR", "foo:bar")62		light, bold, off = color.FromEnv("MY_TEST_COLOR", "red")63		test.EqualStr(t, light, "\x1b[0;31m") // red64		test.EqualStr(t, bold, "\x1b[1;31m")  // bold red65		test.EqualStr(t, off, "\x1b[0m")66		// Color test name67		_, color.TestNameOn, color.TestNameOff = color.FromEnv(color.EnvColorTitle, "yellow")68		var b strings.Builder69		color.AppendTestNameOn(&b)70		test.EqualStr(t, b.String(), "\x1b[1;33m")71		color.AppendTestNameOff(&b)72		test.EqualStr(t, b.String(), "\x1b[1;33m\x1b[0m")73	}74}75func TestSaveState(t *testing.T) {76	check := func(expected string) {77		t.Helper()78		test.EqualStr(t, os.Getenv("TESTDEEP_COLOR"), expected)79	}80	defer color.SaveState()()81	check("off")82	func() {83		defer color.SaveState(true)()...

AppendTestNameOn

Using AI Code Generation

1import "fmt"2func main() {3    col = color{red: 255, green: 0, blue: 0}4    col.AppendTestNameOn("Red")5    fmt.Println(col)6}7{255 0 0 Red}

AppendTestNameOn

Using AI Code Generation

1import (2func main() {3	color.Red.AppendTestNameOn("Red").Println("Red")4	color.Green.AppendTestNameOn("Green").Println("Green")5	color.Blue.AppendTestNameOn("Blue").Println("Blue")6	color.Yellow.AppendTestNameOn("Yellow").Println("Yellow")7	color.Magenta.AppendTestNameOn("Magenta").Println("Magenta")8	color.Cyan.AppendTestNameOn("Cyan").Println("Cyan")9	color.White.AppendTestNameOn("White").Println("White")10	fmt.Println()11	color.Red.Println("Red")12	color.Green.Println("Green")13	color.Blue.Println("Blue")14	color.Yellow.Println("Yellow")15	color.Magenta.Println("Magenta")16	color.Cyan.Println("Cyan")17	color.White.Println("White")18}19type Color struct {20}

AppendTestNameOn

Using AI Code Generation

1import (2func main() {3 color := mycolor.Color{"Red"}4 color.AppendTestNameOn(&color)5 fmt.Println(color.Name)6}

AppendTestNameOn

Using AI Code Generation

1import (2func main() {3	fmt.Println(color.AppendTestNameOn("Hello"))4}5import (6func main() {7	fmt.Println(color.AppendTestNameOn("Hello"))8	fmt.Println(shape.AppendTestNameOn("Hello"))9}

AppendTestNameOn

Using AI Code Generation

1import (2func main() {3	color1.AppendTestNameOn("Test")4	color2.AppendTestNameOn("Test")5	fmt.Println("Color1:", color1.Name, color1.Code)6	fmt.Println("Color2:", color2.Name, color2.Code)7}8type Color struct {9}10func (c *Color) AppendTestNameOn(s string) {11}12import (13func main() {14	color1.AppendTestNameOn("Test")15	color2.AppendTestNameOn("Test")16	fmt.Println("Color1:", color1.Name, color1.Code)17	fmt.Println("Color2:", color2.Name, color2

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