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How to use getArgTypes method of main Package

Best Mock code snippet using main.getArgTypes

mockgen.go

Source:mockgen.go

...355// GenerateMockMethod generates a mock method implementation.356// If non-empty, pkgOverride is the package in which unqualified types reside.357func (g *generator) GenerateMockMethod(mockType string, m *model.Method, pkgOverride string) error {358	argNames := g.getArgNames(m)359	argTypes := g.getArgTypes(m, pkgOverride)360	argString := makeArgString(argNames, argTypes)361	rets := make([]string, len(m.Out))362	for i, p := range m.Out {363		rets[i] = p.Type.String(g.packageMap, pkgOverride)364	}365	retString := strings.Join(rets, ", ")366	if len(rets) > 1 {367		retString = "(" + retString + ")"368	}369	if retString != "" {370		retString = " " + retString371	}372	ia := newIdentifierAllocator(argNames)373	idRecv := ia.allocateIdentifier("m")374	g.p("// %v mocks base method", m.Name)375	g.p("func (%v *%v) %v(%v)%v {", idRecv, mockType, m.Name, argString, retString)376	g.in()377	g.p("%s.ctrl.T.Helper()", idRecv)378	var callArgs string379	if m.Variadic == nil {380		if len(argNames) > 0 {381			callArgs = ", " + strings.Join(argNames, ", ")382		}383	} else {384		// Non-trivial. The generated code must build a []interface{},385		// but the variadic argument may be any type.386		idVarArgs := ia.allocateIdentifier("varargs")387		idVArg := ia.allocateIdentifier("a")388		g.p("%s := []interface{}{%s}", idVarArgs, strings.Join(argNames[:len(argNames)-1], ", "))389		g.p("for _, %s := range %s {", idVArg, argNames[len(argNames)-1])390		g.in()391		g.p("%s = append(%s, %s)", idVarArgs, idVarArgs, idVArg)392		g.out()393		g.p("}")394		callArgs = ", " + idVarArgs + "..."395	}396	if len(m.Out) == 0 {397		g.p(`%v.ctrl.Call(%v, %q%v)`, idRecv, idRecv, m.Name, callArgs)398	} else {399		idRet := ia.allocateIdentifier("ret")400		g.p(`%v := %v.ctrl.Call(%v, %q%v)`, idRet, idRecv, idRecv, m.Name, callArgs)401		// Go does not allow "naked" type assertions on nil values, so we use the two-value form here.402		// The value of that is either (x.(T), true) or (Z, false), where Z is the zero value for T.403		// Happily, this coincides with the semantics we want here.404		retNames := make([]string, len(rets))405		for i, t := range rets {406			retNames[i] = ia.allocateIdentifier(fmt.Sprintf("ret%d", i))407			g.p("%s, _ := %s[%d].(%s)", retNames[i], idRet, i, t)408		}409		g.p("return " + strings.Join(retNames, ", "))410	}411	g.out()412	g.p("}")413	return nil414}415func (g *generator) GenerateMockRecorderMethod(mockType string, m *model.Method) error {416	argNames := g.getArgNames(m)417	var argString string418	if m.Variadic == nil {419		argString = strings.Join(argNames, ", ")420	} else {421		argString = strings.Join(argNames[:len(argNames)-1], ", ")422	}423	if argString != "" {424		argString += " interface{}"425	}426	if m.Variadic != nil {427		if argString != "" {428			argString += ", "429		}430		argString += fmt.Sprintf("%s ...interface{}", argNames[len(argNames)-1])431	}432	ia := newIdentifierAllocator(argNames)433	idRecv := ia.allocateIdentifier("mr")434	g.p("// %v indicates an expected call of %v", m.Name, m.Name)435	g.p("func (%s *%vMockRecorder) %v(%v) *gomock.Call {", idRecv, mockType, m.Name, argString)436	g.in()437	g.p("%s.mock.ctrl.T.Helper()", idRecv)438	var callArgs string439	if m.Variadic == nil {440		if len(argNames) > 0 {441			callArgs = ", " + strings.Join(argNames, ", ")442		}443	} else {444		if len(argNames) == 1 {445			// Easy: just use ... to push the arguments through.446			callArgs = ", " + argNames[0] + "..."447		} else {448			// Hard: create a temporary slice.449			idVarArgs := ia.allocateIdentifier("varargs")450			g.p("%s := append([]interface{}{%s}, %s...)",451				idVarArgs,452				strings.Join(argNames[:len(argNames)-1], ", "),453				argNames[len(argNames)-1])454			callArgs = ", " + idVarArgs + "..."455		}456	}457	g.p(`return %s.mock.ctrl.RecordCallWithMethodType(%s.mock, "%s", reflect.TypeOf((*%s)(nil).%s)%s)`, idRecv, idRecv, m.Name, mockType, m.Name, callArgs)458	g.out()459	g.p("}")460	return nil461}462func (g *generator) getArgNames(m *model.Method) []string {463	argNames := make([]string, len(m.In))464	for i, p := range m.In {465		name := p.Name466		if name == "" {467			name = fmt.Sprintf("arg%d", i)468		}469		argNames[i] = name470	}471	if m.Variadic != nil {472		name := m.Variadic.Name473		if name == "" {474			name = fmt.Sprintf("arg%d", len(m.In))475		}476		argNames = append(argNames, name)477	}478	return argNames479}480func (g *generator) getArgTypes(m *model.Method, pkgOverride string) []string {481	argTypes := make([]string, len(m.In))482	for i, p := range m.In {483		argTypes[i] = p.Type.String(g.packageMap, pkgOverride)484	}485	if m.Variadic != nil {486		argTypes = append(argTypes, "..."+m.Variadic.Type.String(g.packageMap, pkgOverride))487	}488	return argTypes489}490type identifierAllocator map[string]struct{}491func newIdentifierAllocator(taken []string) identifierAllocator {492	a := make(identifierAllocator, len(taken))493	for _, s := range taken {494		a[s] = struct{}{}...

mockio.go

Source:mockio.go

...332	return fmt.Sprintf("Arg%s", strcase.ToCamel(arg))333}334func (g *generator) GenerateFuncIO(intfName, mockType string, m *model.Method, pkgOverride string) error {335	argNames := g.getArgNames(m)336	argTypes := g.getArgTypes(m, pkgOverride)337	rets := make([]string, len(m.Out))338	for i, p := range m.Out {339		rets[i] = p.Type.String(g.packageMap, pkgOverride)340	}341	g.p("type %s%s struct {", intfName, m.Name)342	g.p("Time int")343	for i := range argNames {344		g.p("%v %v", argFieldName(argNames[i]), argTypes[i])345	}346	for i, r := range rets {347		g.p("%v %v", fmt.Sprintf("Ret%d", i), r)348	}349	g.p("}")350	return nil351}352func (g *generator) getArgNames(m *model.Method) []string {353	argNames := make([]string, len(m.In))354	for i, p := range m.In {355		name := p.Name356		if name == "" || name == "_" {357			name = fmt.Sprintf("arg%d", i)358		}359		argNames[i] = name360	}361	if m.Variadic != nil {362		name := m.Variadic.Name363		if name == "" {364			name = fmt.Sprintf("arg%d", len(m.In))365		}366		argNames = append(argNames, name)367	}368	return argNames369}370func (g *generator) getArgTypes(m *model.Method, pkgOverride string) []string {371	argTypes := make([]string, len(m.In))372	for i, p := range m.In {373		argTypes[i] = p.Type.String(g.packageMap, pkgOverride)374	}375	if m.Variadic != nil {376		argTypes = append(argTypes, "..."+m.Variadic.Type.String(g.packageMap, pkgOverride))377	}378	return argTypes379}380// Output returns the generator's output, formatted in the standard Go style.381func (g *generator) Output() []byte {382	src, err := toolsimports.Process(g.destination, g.buf.Bytes(), nil)383	if err != nil {384		log.Fatalf("Failed to format generated source code: %s\n%s", err, g.buf.String())...

generator.go

Source:generator.go

...224// GenerateMockMethod generates a mock method implementation.225// If non-empty, pkgOverride is the package in which unqualified types reside.226func (g *generator) GenerateMockMethod(mockType string, m *model.Method, pkgOverride string) error {227	argNames := g.getArgNames(m)228	argTypes := g.getArgTypes(m, pkgOverride)229	argString := makeArgString(argNames, argTypes)230	rets := make([]string, len(m.Out))231	for i, p := range m.Out {232		rets[i] = p.Type.String(g.packageMap, pkgOverride)233	}234	retString := strings.Join(rets, ", ")235	if len(rets) > 1 {236		retString = "(" + retString + ")"237	}238	if retString != "" {239		retString = " " + retString240	}241	ia := newIdentifierAllocator(argNames)242	idRecv := ia.allocateIdentifier("m")243	for _, doc := range m.Doc {244		if strings.HasPrefix(strings.ToLower(doc), "//go:generate ") { // çæè¯å¥ä¸å¤å¶å°å®ç°æä»¶ä¸245			continue246		}247		g.p("%v", doc)248	}249	if 0 == len(m.Comment) {250		g.p("func (%v *%v) %v(%v)%v {", idRecv, mockType, m.Name, argString, retString)251	} else {252		g.pf("func (%v *%v) %v(%v)%v { // %v", idRecv, mockType, m.Name, argString, retString, m.Comment)253	}254	g.in()255	g.p("// TODO: %v.%v(%v)%v Not implemented", mockType, m.Name, argString, retString)256	g.p("")257	g.p("panic(\"%v.%v(%v)%v Not implemented\")", mockType, m.Name, argString, retString)258	g.out()259	g.p("}")260	return nil261}262func (g *generator) getArgNames(m *model.Method) []string {263	argNames := make([]string, len(m.In))264	for i, p := range m.In {265		name := p.Name266		if name == "" || name == "_" {267			name = fmt.Sprintf("arg%d", i)268		}269		argNames[i] = name270	}271	if m.Variadic != nil {272		name := m.Variadic.Name273		if name == "" {274			name = fmt.Sprintf("arg%d", len(m.In))275		}276		argNames = append(argNames, name)277	}278	return argNames279}280func (g *generator) getArgTypes(m *model.Method, pkgOverride string) []string {281	argTypes := make([]string, len(m.In))282	for i, p := range m.In {283		argTypes[i] = p.Type.String(g.packageMap, pkgOverride)284	}285	if m.Variadic != nil {286		argTypes = append(argTypes, "..."+m.Variadic.Type.String(g.packageMap, pkgOverride))287	}288	return argTypes289}290// Output returns the generator's output, formatted in the standard Go style.291func (g *generator) Output() (n int, err error) {292	src, err := format.Source(g.buf.Bytes())293	if err != nil {294		log.Fatalf("Failed to format generated source code: %s\n%s", err, g.buf.String())...

getArgTypes

Using AI Code Generation

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

getArgTypes

Using AI Code Generation

1import (2func main() {3	fmt.Println(getArgTypes(1, "a", 3.14))4}5import (6func getArgTypes(args ...interface{}) []reflect.Type {7	types := make([]reflect.Type, len(args))8	for i, arg := range args {9		types[i] = reflect.TypeOf(arg)10	}11}

getArgTypes

Using AI Code Generation

1import (2func main() {3    var args = []interface{}{1, 2, 3, 4, 5}4    var argTypes = getArgTypes(args)5    fmt.Println(argTypes)6}7func getArgTypes(args []interface{}) []reflect.Type {8    var argTypes = make([]reflect.Type, len(args))9    for i, arg := range args {10        argTypes[i] = reflect.TypeOf(arg)11    }12}13GoLang: How to get the type of a slice of interface{}?

getArgTypes

Using AI Code Generation

1import (2func main() {3	fmt.Println(getArgTypes(a, b, c, d, e, f, g, h, i, j, k, l, m, n, o, p, q, r, s, t, u, v, w, x, y, z, aa, ab, ac, ad, ae, af, ag, ah, ai))4}5func getArgTypes(args ...interface{}) []string {6	for _, arg := range args {

getArgTypes

Using AI Code Generation

1import (2func main() {3	fmt.Println(getArgTypes(a, b, c, d))4}5func getArgTypes(args ...interface{}) []reflect.Type {6	for _, arg := range args {7		types = append(types, reflect.TypeOf(arg))8	}9}

getArgTypes

Using AI Code Generation

1import "fmt"2func main() {3    fmt.Println(getArgTypes(1, 2, 3, 4, 5))4}5func getArgTypes(args ...interface{}) []string {6    for _, arg := range args {7        types = append(types, fmt.Sprintf("%T", arg))8    }9}10import "fmt"11func main() {12    fmt.Println(add(1, 2))13}14func add(a, b, c int) int {15}16	have (int, int, int)17	want (int, int)18import "fmt"19func main() {20    fmt.Println(add(1, 2))21}22func add(a, b int) int {23}24./1.go:7:13: cannot use add(1, 2) (type int) as type string in return argument

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