Unlock 30% off on Manual Testing Annual Plans this Holiday Season.

Copied to Clipboard!

How to use OpBad method of ctxerr Package

Best Go-testdeep code snippet using ctxerr.OpBad

td_grep.go

Source:td_grep.go

...25		return26	}27	vfilter := reflect.ValueOf(filter)28	if vfilter.Kind() != reflect.Func {29		g.err = ctxerr.OpBad(g.GetLocation().Func,30			"usage: %s%s, FILTER_FUNC must be a function or FILTER_TESTDEEP_OPERATOR a TestDeep operator",31			g.GetLocation().Func, grepUsage)32		return33	}34	filterType := vfilter.Type()35	if filterType.IsVariadic() || filterType.NumIn() != 1 {36		g.err = ctxerr.OpBad(g.GetLocation().Func,37			"usage: %s%s, FILTER_FUNC must take only one non-variadic argument",38			g.GetLocation().Func, grepUsage)39		return40	}41	if filterType.NumOut() != 1 || filterType.Out(0) != types.Bool {42		g.err = ctxerr.OpBad(g.GetLocation().Func,43			"usage: %s%s, FILTER_FUNC must return bool",44			g.GetLocation().Func, grepUsage)45		return46	}47	g.argType = filterType.In(0)48	g.filter = vfilter49}50func (g *tdGrepBase) matchItem(ctx ctxerr.Context, idx int, item reflect.Value) (bool, *ctxerr.Error) {51	if g.argType == nil {52		// g.filter is a TestDeep operator53		return deepValueEqualFinalOK(ctx, item, g.filter), nil54	}55	// item is an interface, but the filter function does not expect an56	// interface, resolve it57	if item.Kind() == reflect.Interface && g.argType.Kind() != reflect.Interface {58		item = item.Elem()59	}60	if !item.Type().AssignableTo(g.argType) {61		if !types.IsConvertible(item, g.argType) {62			if ctx.BooleanError {63				return false, ctxerr.BooleanError64			}65			return false, ctx.AddArrayIndex(idx).CollectError(&ctxerr.Error{66				Message:  "incompatible parameter type",67				Got:      types.RawString(item.Type().String()),68				Expected: types.RawString(g.argType.String()),69			})70		}71		item = item.Convert(g.argType)72	}73	return g.filter.Call([]reflect.Value{item})[0].Bool(), nil74}75func (g *tdGrepBase) HandleInvalid() bool {76	return true // Knows how to handle untyped nil values (aka invalid values)77}78func (g *tdGrepBase) String() string {79	if g.err != nil {80		return g.stringError()81	}82	if g.argType == nil {83		return S("%s(%s)", g.GetLocation().Func, g.filter.Interface().(TestDeep))84	}85	return S("%s(%s)", g.GetLocation().Func, g.filter.Type())86}87func (g *tdGrepBase) TypeBehind() reflect.Type {88	if g.err != nil {89		return nil90	}91	return g.internalTypeBehind()92}93// sliceTypeBehind is used by First & Last TypeBehind method.94func (g *tdGrepBase) sliceTypeBehind() reflect.Type {95	typ := g.TypeBehind()96	if typ == nil {97		return nil98	}99	return reflect.SliceOf(typ)100}101func (g *tdGrepBase) notFound(ctx ctxerr.Context, got reflect.Value) *ctxerr.Error {102	if ctx.BooleanError {103		return ctxerr.BooleanError104	}105	return ctx.CollectError(&ctxerr.Error{106		Message:  "item not found",107		Got:      got,108		Expected: types.RawString(g.String()),109	})110}111func grepResolvePtr(ctx ctxerr.Context, got *reflect.Value) *ctxerr.Error {112	if got.Kind() == reflect.Ptr {113		gotElem := got.Elem()114		if !gotElem.IsValid() {115			if ctx.BooleanError {116				return ctxerr.BooleanError117			}118			return ctx.CollectError(ctxerr.NilPointer(*got, "non-nil *slice OR *array"))119		}120		switch gotElem.Kind() {121		case reflect.Slice, reflect.Array:122			*got = gotElem123		}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:...

td_code.go

Source:td_code.go

...138		base:     newBase(3),139		function: vfn,140	}141	if vfn.Kind() != reflect.Func {142		c.err = ctxerr.OpBadUsage("Code", "(FUNC)", fn, 1, true)143		return &c144	}145	if vfn.IsNil() {146		c.err = ctxerr.OpBad("Code", "Code(FUNC): FUNC cannot be a nil function")147		return &c148	}149	fnType := vfn.Type()150	in := fnType.NumIn()151	// We accept only:152	//   func (arg) bool153	//   func (arg) error154	//   func (arg) (bool, error)155	//   func (*td.T, arg) // with arg â  *td.T, as it is certainly an error156	//   func (assert, require *td.T, arg)157	if fnType.IsVariadic() || in == 0 || in > 3 ||158		(in > 1 && (fnType.In(0) != tType)) ||159		(in >= 2 && (in == 2) == (fnType.In(1) == tType)) {160		c.err = ctxerr.OpBad("Code",161			"Code(FUNC): FUNC must take only one non-variadic argument or (*td.T, arg) or (*td.T, *td.T, arg)")162		return &c163	}164	// func (arg) bool165	// func (arg) error166	// func (arg) (bool, error)167	if in == 1 {168		switch fnType.NumOut() {169		case 2: // (bool, *string*)170			if fnType.Out(1).Kind() != reflect.String {171				break172			}173			fallthrough174		case 1:175			// (*bool*) or (*bool*, string)176			if fnType.Out(0).Kind() == reflect.Bool ||177				// (*error*)178				(fnType.NumOut() == 1 && fnType.Out(0) == types.Error) {179				c.argType = fnType.In(0)180				return &c181			}182		}183		c.err = ctxerr.OpBad("Code",184			"Code(FUNC): FUNC must return bool or (bool, string) or error")185		return &c186	}187	// in == 2 || in == 3188	// func (*td.T, arg) (with arg â  *td.T)189	// func (assert, require *td.T, arg)190	if fnType.NumOut() != 0 {191		c.err = ctxerr.OpBad("Code", "Code(FUNC): FUNC must return nothing")192		return &c193	}194	c.tParams = in - 1195	c.argType = fnType.In(c.tParams)196	return &c197}198func (c *tdCode) Match(ctx ctxerr.Context, got reflect.Value) *ctxerr.Error {199	if c.err != nil {200		return ctx.CollectError(c.err)201	}202	if !got.Type().AssignableTo(c.argType) {203		if !ctx.BeLax || !types.IsConvertible(got, c.argType) {204			if ctx.BooleanError {205				return ctxerr.BooleanError...

op_error_test.go

Source:op_error_test.go

...11	"github.com/maxatome/go-testdeep/internal/ctxerr"12	"github.com/maxatome/go-testdeep/internal/test"13)14const prefix = ": bad usage of Zzz operator\n\t"15func TestOpBadUsage(t *testing.T) {16	defer color.SaveState()()17	test.EqualStr(t,18		ctxerr.OpBadUsage("Zzz", "(STRING)", nil, 1, true).Error(),19		prefix+"usage: Zzz(STRING), but received nil as 1st parameter")20	test.EqualStr(t,21		ctxerr.OpBadUsage("Zzz", "(STRING)", 42, 1, true).Error(),22		prefix+"usage: Zzz(STRING), but received int as 1st parameter")23	test.EqualStr(t,24		ctxerr.OpBadUsage("Zzz", "(STRING)", []int{}, 1, true).Error(),25		prefix+"usage: Zzz(STRING), but received []int (slice) as 1st parameter")26	test.EqualStr(t,27		ctxerr.OpBadUsage("Zzz", "(STRING)", []int{}, 1, false).Error(),28		prefix+"usage: Zzz(STRING), but received []int as 1st parameter")29	test.EqualStr(t,30		ctxerr.OpBadUsage("Zzz", "(STRING)", nil, 1, true).Error(),31		prefix+"usage: Zzz(STRING), but received nil as 1st parameter")32	test.EqualStr(t,33		ctxerr.OpBadUsage("Zzz", "(STRING)", nil, 2, true).Error(),34		prefix+"usage: Zzz(STRING), but received nil as 2nd parameter")35	test.EqualStr(t,36		ctxerr.OpBadUsage("Zzz", "(STRING)", nil, 3, true).Error(),37		prefix+"usage: Zzz(STRING), but received nil as 3rd parameter")38	test.EqualStr(t,39		ctxerr.OpBadUsage("Zzz", "(STRING)", nil, 4, true).Error(),40		prefix+"usage: Zzz(STRING), but received nil as 4th parameter")41}42func TestOpTooManyParams(t *testing.T) {43	defer color.SaveState()()44	test.EqualStr(t, ctxerr.OpTooManyParams("Zzz", "(PARAM)").Error(),45		prefix+"usage: Zzz(PARAM), too many parameters")46}47func TestBad(t *testing.T) {48	defer color.SaveState()()49	test.EqualStr(t,50		ctxerr.OpBad("Zzz", "test").Error(),51		prefix+"test")52	test.EqualStr(t,53		ctxerr.OpBad("Zzz", "test %d", 123).Error(),54		prefix+"test 123")55}56func TestBadKind(t *testing.T) {57	defer color.SaveState()()58	expected := func(got string) string {59		return ": bad kind\n\t     got: " + got + "\n\texpected: some kinds"60	}61	test.EqualStr(t,62		ctxerr.BadKind(reflect.ValueOf(42), "some kinds").Error(),63		expected("int"))64	test.EqualStr(t,65		ctxerr.BadKind(reflect.ValueOf(&[]int{}), "some kinds").Error(),66		expected("*slice (*[]int type)"))67	test.EqualStr(t,...

OpBad

Using AI Code Generation

1import (2func main() {3    ctxerr := golctxerr.New("2.go")4    ctxerr.OpBad("bad op")5    fmt.Println(ctxerr)6}7import (8func main() {9    ctxerr := golctxerr.New("3.go")10    ctxerr.OpBadf("bad op with %s", "params")11    fmt.Println(ctxerr)12}13import (14func main() {15    ctxerr := golctxerr.New("4.go")16    ctxerr.OpBadf("bad op with %s", "params")17    fmt.Println(ctxerr)18}19import (20func main() {21    ctxerr := golctxerr.New("5.go")22    ctxerr.OpBadf("bad op with %s", "params")23    fmt.Println(ctxerr)24}25import (26func main() {27    ctxerr := golctxerr.New("6.go")28    ctxerr.OpBadf("bad op with %s", "params")29    fmt.Println(ctxerr)30}31import (32func main() {33    ctxerr := golctxerr.New("7.go")34    ctxerr.OpBadf("bad op with %s", "params")35    fmt.Println(ctxerr)36}

OpBad

Using AI Code Generation

1import (2func main() {3    ctxerr := golctxerr.New()4    ctxerr.OpBad("reading file", "file not found", "file.txt")5    fmt.Println(ctxerr)6}72017/02/04 18:10:56 reading file: file not found (file.txt)82017/02/04 18:11:49 reading file: file not found (file.txt)

OpBad

Using AI Code Generation

1import (2func main() {3	ctx := ctxerr.New("This is a new context")4	ctx = ctxerr.OpBad(ctx, "error", "this is an error")5	fmt.Println(ctx)6}7import (8func main() {9	ctx := ctxerr.New("This is a new context")10	ctx = ctxerr.OpBadf(ctx, "error", "this is an %s", "error")11	fmt.Println(ctx)12}13import (14func main() {15	ctx := ctxerr.New("This is a new context")16	ctx = ctxerr.OpBad(ctx, "error", "this is an error")17	fmt.Println(ctx)18}19import (20func main() {21	ctx := ctxerr.New("This is a new context")22	ctx = ctxerr.OpBadf(ctx, "error", "this is an %s", "error")23	fmt.Println(ctx)24}

OpBad

Using AI Code Generation

1import (2func main() {3	err := ctxerr.OpBad("OpBad")4	fmt.Println(err)5}63. Implementing Error() method of error interface7import (8func main() {9	err := ctxerr.OpBad("OpBad")10	fmt.Println(err.Error())11}12import (13func main() {14	err := ctxerr.OpBad("OpBad")15	fmt.Println(err)16}17import (18func main() {19	err := ctxerr.OpBad("OpBad")20	fmt.Println(err.Error())21}

OpBad

Using AI Code Generation

1import (2func main() {3	fmt.Println(golctxerr.OpBad("SomeOp", "SomeError"))4}5import (6func main() {7	fmt.Println(golctxerr.OpBad("SomeOp", "SomeError"))8}9import (10func main() {11	fmt.Println(golctxerr.OpBad("SomeOp", "SomeError"))12}13import (14func main() {15	fmt.Println(golctxerr.OpBad("SomeOp", "SomeError"))16}17import (18func main() {19	fmt.Println(golctxerr.OpBad("SomeOp", "SomeError"))20}21import (22func main() {23	fmt.Println(golctxerr.OpBad("SomeOp", "SomeError"))24}25import (26func main() {

OpBad

Using AI Code Generation

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

OpBad

Using AI Code Generation

1import (2func main() {3	ctxerr := ctxerr.New("Some error")4	fmt.Println(ctxerr)5	ctxerr = ctxerr.AddContext("Some more context")6	fmt.Println(ctxerr)7	ctxerr = ctxerr.AddContext("Some more context")8	fmt.Println(ctxerr)9	fmt.Println(ctxerr.Error())10	fmt.Println(ctxerr.ErrorWithContext())

OpBad

Using AI Code Generation

1import "fmt"2import "github.com/krishna-ramaswamy/ctxerr"3func main() {4  ctx := ctxerr.NewContext("2.go", "main")5  err := ctx.OpBad("fmt", "Println", "Hello World")6  fmt.Println(err)7}8import "fmt"9import "github.com/krishna-ramaswamy/ctxerr"10func main() {11  ctx := ctxerr.NewContext("3.go", "main")12  err := ctx.OpBadf("fmt", "Println", "Hello %s", "World")13  fmt.Println(err)14}15import "fmt"16import "github.com/krishna-ramaswamy/ctxerr"17func main() {18  ctx := ctxerr.NewContext("4.go", "main")19  err := ctx.OpBadf("fmt", "Println", "Hello %s", "World")20  fmt.Println(err)21}22import "fmt"23import "github.com/krishna-ramaswamy/ctxerr"24func main() {25  ctx := ctxerr.NewContext("5.go", "main")26  err := ctx.OpBadf("fmt", "Println", "Hello %s", "World")27  fmt.Println(err)28}29import "fmt"30import "github.com/krishna-ramaswamy/ctxerr"31func main() {32  ctx := ctxerr.NewContext("6.go", "main")33  err := ctx.OpBadf("fmt", "Println", "Hello %s", "World")34  fmt.Println(err)35}

OpBad

Using AI Code Generation

1import (2func main() {3	ctx := ctxerr.NewCtxErr()4	ctx.OpBad("Error occured in main function")5	fmt.Println(ctx.Error())6}7import (8func main() {9	ctx := ctxerr.NewCtxErr()10	ctx.OpBad("Error occured in main function")11	fmt.Println(ctx.Error())12}13import (14func main() {15	ctx := ctxerr.NewCtxErr()16	ctx.OpBad("Error occured in main function")17	fmt.Println(ctx.Error())18}19import (20func main() {21	ctx := ctxerr.NewCtxErr()22	ctx.OpBad("Error occured in main function")23	fmt.Println(ctx.Error())24}25import (26func main() {27	ctx := ctxerr.NewCtxErr()28	ctx.OpBad("Error occured in main function")29	fmt.Println(ctx.Error())30}31import (32func main() {33	ctx := ctxerr.NewCtxErr()34	ctx.OpBad("Error occured in main function")35	fmt.Println(ctx.Error())36}

Automation Testing Tutorials

Learn to execute automation testing from scratch with LambdaTest Learning Hub. Right from setting up the prerequisites to run your first automation test, to following best practices and diving deeper into advanced test scenarios. LambdaTest Learning Hubs compile a list of step-by-step guides to help you be proficient with different test automation frameworks i.e. Selenium, Cypress, TestNG etc.