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How to use Error method of assertions Package

Best Venom code snippet using assertions.Error

assertion_forward.go

Source:assertion_forward.go

...67// cannot be determined and will always fail.68func (a *Assertions) Equal(expected interface{}, actual interface{}, msgAndArgs ...interface{}) bool {69	return Equal(a.t, expected, actual, msgAndArgs...)70}71// EqualError asserts that a function returned an error (i.e. not `nil`)72// and that it is equal to the provided error.73//74//   actualObj, err := SomeFunction()75//   a.EqualError(err,  expectedErrorString)76//77// Returns whether the assertion was successful (true) or not (false).78func (a *Assertions) EqualError(theError error, errString string, msgAndArgs ...interface{}) bool {79	return EqualError(a.t, theError, errString, msgAndArgs...)80}81// EqualErrorf asserts that a function returned an error (i.e. not `nil`)82// and that it is equal to the provided error.83//84//   actualObj, err := SomeFunction()85//   a.EqualErrorf(err,  expectedErrorString, "error message %s", "formatted")86//87// Returns whether the assertion was successful (true) or not (false).88func (a *Assertions) EqualErrorf(theError error, errString string, msg string, args ...interface{}) bool {89	return EqualErrorf(a.t, theError, errString, msg, args...)90}91// EqualValues asserts that two objects are equal or convertable to the same types92// and equal.93//94//    a.EqualValues(uint32(123), int32(123))95//96// Returns whether the assertion was successful (true) or not (false).97func (a *Assertions) EqualValues(expected interface{}, actual interface{}, msgAndArgs ...interface{}) bool {98	return EqualValues(a.t, expected, actual, msgAndArgs...)99}100// EqualValuesf asserts that two objects are equal or convertable to the same types101// and equal.102//103//    a.EqualValuesf(uint32(123, "error message %s", "formatted"), int32(123))104//105// Returns whether the assertion was successful (true) or not (false).106func (a *Assertions) EqualValuesf(expected interface{}, actual interface{}, msg string, args ...interface{}) bool {107	return EqualValuesf(a.t, expected, actual, msg, args...)108}109// Equalf asserts that two objects are equal.110//111//    a.Equalf(123, 123, "error message %s", "formatted")112//113// Returns whether the assertion was successful (true) or not (false).114//115// Pointer variable equality is determined based on the equality of the116// referenced values (as opposed to the memory addresses). Function equality117// cannot be determined and will always fail.118func (a *Assertions) Equalf(expected interface{}, actual interface{}, msg string, args ...interface{}) bool {119	return Equalf(a.t, expected, actual, msg, args...)120}121// Error asserts that a function returned an error (i.e. not `nil`).122//123//   actualObj, err := SomeFunction()124//   if a.Error(err) {125// 	   assert.Equal(t, expectedError, err)126//   }127//128// Returns whether the assertion was successful (true) or not (false).129func (a *Assertions) Error(err error, msgAndArgs ...interface{}) bool {130	return Error(a.t, err, msgAndArgs...)131}132// Errorf asserts that a function returned an error (i.e. not `nil`).133//134//   actualObj, err := SomeFunction()135//   if a.Errorf(err, "error message %s", "formatted") {136// 	   assert.Equal(t, expectedErrorf, err)137//   }138//139// Returns whether the assertion was successful (true) or not (false).140func (a *Assertions) Errorf(err error, msg string, args ...interface{}) bool {141	return Errorf(a.t, err, msg, args...)142}143// Exactly asserts that two objects are equal is value and type.144//145//    a.Exactly(int32(123), int64(123))146//147// Returns whether the assertion was successful (true) or not (false).148func (a *Assertions) Exactly(expected interface{}, actual interface{}, msgAndArgs ...interface{}) bool {149	return Exactly(a.t, expected, actual, msgAndArgs...)150}151// Exactlyf asserts that two objects are equal is value and type.152//153//    a.Exactlyf(int32(123, "error message %s", "formatted"), int64(123))154//155// Returns whether the assertion was successful (true) or not (false).156func (a *Assertions) Exactlyf(expected interface{}, actual interface{}, msg string, args ...interface{}) bool {157	return Exactlyf(a.t, expected, actual, msg, args...)158}159// Fail reports a failure through160func (a *Assertions) Fail(failureMessage string, msgAndArgs ...interface{}) bool {161	return Fail(a.t, failureMessage, msgAndArgs...)162}163// FailNow fails test164func (a *Assertions) FailNow(failureMessage string, msgAndArgs ...interface{}) bool {165	return FailNow(a.t, failureMessage, msgAndArgs...)166}167// FailNowf fails test168func (a *Assertions) FailNowf(failureMessage string, msg string, args ...interface{}) bool {169	return FailNowf(a.t, failureMessage, msg, args...)170}171// Failf reports a failure through172func (a *Assertions) Failf(failureMessage string, msg string, args ...interface{}) bool {173	return Failf(a.t, failureMessage, msg, args...)174}175// False asserts that the specified value is false.176//177//    a.False(myBool)178//179// Returns whether the assertion was successful (true) or not (false).180func (a *Assertions) False(value bool, msgAndArgs ...interface{}) bool {181	return False(a.t, value, msgAndArgs...)182}183// Falsef asserts that the specified value is false.184//185//    a.Falsef(myBool, "error message %s", "formatted")186//187// Returns whether the assertion was successful (true) or not (false).188func (a *Assertions) Falsef(value bool, msg string, args ...interface{}) bool {189	return Falsef(a.t, value, msg, args...)190}191// HTTPBodyContains asserts that a specified handler returns a192// body that contains a string.193//194//  a.HTTPBodyContains(myHandler, "www.google.com", nil, "I'm Feeling Lucky")195//196// Returns whether the assertion was successful (true) or not (false).197func (a *Assertions) HTTPBodyContains(handler http.HandlerFunc, method string, url string, values url.Values, str interface{}) bool {198	return HTTPBodyContains(a.t, handler, method, url, values, str)199}200// HTTPBodyContainsf asserts that a specified handler returns a201// body that contains a string.202//203//  a.HTTPBodyContainsf(myHandler, "www.google.com", nil, "I'm Feeling Lucky", "error message %s", "formatted")204//205// Returns whether the assertion was successful (true) or not (false).206func (a *Assertions) HTTPBodyContainsf(handler http.HandlerFunc, method string, url string, values url.Values, str interface{}) bool {207	return HTTPBodyContainsf(a.t, handler, method, url, values, str)208}209// HTTPBodyNotContains asserts that a specified handler returns a210// body that does not contain a string.211//212//  a.HTTPBodyNotContains(myHandler, "www.google.com", nil, "I'm Feeling Lucky")213//214// Returns whether the assertion was successful (true) or not (false).215func (a *Assertions) HTTPBodyNotContains(handler http.HandlerFunc, method string, url string, values url.Values, str interface{}) bool {216	return HTTPBodyNotContains(a.t, handler, method, url, values, str)217}218// HTTPBodyNotContainsf asserts that a specified handler returns a219// body that does not contain a string.220//221//  a.HTTPBodyNotContainsf(myHandler, "www.google.com", nil, "I'm Feeling Lucky", "error message %s", "formatted")222//223// Returns whether the assertion was successful (true) or not (false).224func (a *Assertions) HTTPBodyNotContainsf(handler http.HandlerFunc, method string, url string, values url.Values, str interface{}) bool {225	return HTTPBodyNotContainsf(a.t, handler, method, url, values, str)226}227// HTTPError asserts that a specified handler returns an error status code.228//229//  a.HTTPError(myHandler, "POST", "/a/b/c", url.Values{"a": []string{"b", "c"}}230//231// Returns whether the assertion was successful (true) or not (false).232func (a *Assertions) HTTPError(handler http.HandlerFunc, method string, url string, values url.Values) bool {233	return HTTPError(a.t, handler, method, url, values)234}235// HTTPErrorf asserts that a specified handler returns an error status code.236//237//  a.HTTPErrorf(myHandler, "POST", "/a/b/c", url.Values{"a": []string{"b", "c"}}238//239// Returns whether the assertion was successful (true, "error message %s", "formatted") or not (false).240func (a *Assertions) HTTPErrorf(handler http.HandlerFunc, method string, url string, values url.Values) bool {241	return HTTPErrorf(a.t, handler, method, url, values)242}243// HTTPRedirect asserts that a specified handler returns a redirect status code.244//245//  a.HTTPRedirect(myHandler, "GET", "/a/b/c", url.Values{"a": []string{"b", "c"}}246//247// Returns whether the assertion was successful (true) or not (false).248func (a *Assertions) HTTPRedirect(handler http.HandlerFunc, method string, url string, values url.Values) bool {249	return HTTPRedirect(a.t, handler, method, url, values)250}251// HTTPRedirectf asserts that a specified handler returns a redirect status code.252//253//  a.HTTPRedirectf(myHandler, "GET", "/a/b/c", url.Values{"a": []string{"b", "c"}}254//255// Returns whether the assertion was successful (true, "error message %s", "formatted") or not (false).256func (a *Assertions) HTTPRedirectf(handler http.HandlerFunc, method string, url string, values url.Values) bool {257	return HTTPRedirectf(a.t, handler, method, url, values)258}259// HTTPSuccess asserts that a specified handler returns a success status code.260//261//  a.HTTPSuccess(myHandler, "POST", "http://www.google.com", nil)262//263// Returns whether the assertion was successful (true) or not (false).264func (a *Assertions) HTTPSuccess(handler http.HandlerFunc, method string, url string, values url.Values) bool {265	return HTTPSuccess(a.t, handler, method, url, values)266}267// HTTPSuccessf asserts that a specified handler returns a success status code.268//269//  a.HTTPSuccessf(myHandler, "POST", "http://www.google.com", nil, "error message %s", "formatted")270//271// Returns whether the assertion was successful (true) or not (false).272func (a *Assertions) HTTPSuccessf(handler http.HandlerFunc, method string, url string, values url.Values) bool {273	return HTTPSuccessf(a.t, handler, method, url, values)274}275// Implements asserts that an object is implemented by the specified interface.276//277//    a.Implements((*MyInterface)(nil), new(MyObject))278func (a *Assertions) Implements(interfaceObject interface{}, object interface{}, msgAndArgs ...interface{}) bool {279	return Implements(a.t, interfaceObject, object, msgAndArgs...)280}281// Implementsf asserts that an object is implemented by the specified interface.282//283//    a.Implementsf((*MyInterface, "error message %s", "formatted")(nil), new(MyObject))284func (a *Assertions) Implementsf(interfaceObject interface{}, object interface{}, msg string, args ...interface{}) bool {285	return Implementsf(a.t, interfaceObject, object, msg, args...)286}287// InDelta asserts that the two numerals are within delta of each other.288//289// 	 a.InDelta(math.Pi, (22 / 7.0), 0.01)290//291// Returns whether the assertion was successful (true) or not (false).292func (a *Assertions) InDelta(expected interface{}, actual interface{}, delta float64, msgAndArgs ...interface{}) bool {293	return InDelta(a.t, expected, actual, delta, msgAndArgs...)294}295// InDeltaSlice is the same as InDelta, except it compares two slices.296func (a *Assertions) InDeltaSlice(expected interface{}, actual interface{}, delta float64, msgAndArgs ...interface{}) bool {297	return InDeltaSlice(a.t, expected, actual, delta, msgAndArgs...)298}299// InDeltaSlicef is the same as InDelta, except it compares two slices.300func (a *Assertions) InDeltaSlicef(expected interface{}, actual interface{}, delta float64, msg string, args ...interface{}) bool {301	return InDeltaSlicef(a.t, expected, actual, delta, msg, args...)302}303// InDeltaf asserts that the two numerals are within delta of each other.304//305// 	 a.InDeltaf(math.Pi, (22 / 7.0, "error message %s", "formatted"), 0.01)306//307// Returns whether the assertion was successful (true) or not (false).308func (a *Assertions) InDeltaf(expected interface{}, actual interface{}, delta float64, msg string, args ...interface{}) bool {309	return InDeltaf(a.t, expected, actual, delta, msg, args...)310}311// InEpsilon asserts that expected and actual have a relative error less than epsilon312//313// Returns whether the assertion was successful (true) or not (false).314func (a *Assertions) InEpsilon(expected interface{}, actual interface{}, epsilon float64, msgAndArgs ...interface{}) bool {315	return InEpsilon(a.t, expected, actual, epsilon, msgAndArgs...)316}317// InEpsilonSlice is the same as InEpsilon, except it compares each value from two slices.318func (a *Assertions) InEpsilonSlice(expected interface{}, actual interface{}, epsilon float64, msgAndArgs ...interface{}) bool {319	return InEpsilonSlice(a.t, expected, actual, epsilon, msgAndArgs...)320}321// InEpsilonSlicef is the same as InEpsilon, except it compares each value from two slices.322func (a *Assertions) InEpsilonSlicef(expected interface{}, actual interface{}, epsilon float64, msg string, args ...interface{}) bool {323	return InEpsilonSlicef(a.t, expected, actual, epsilon, msg, args...)324}325// InEpsilonf asserts that expected and actual have a relative error less than epsilon326//327// Returns whether the assertion was successful (true) or not (false).328func (a *Assertions) InEpsilonf(expected interface{}, actual interface{}, epsilon float64, msg string, args ...interface{}) bool {329	return InEpsilonf(a.t, expected, actual, epsilon, msg, args...)330}331// IsType asserts that the specified objects are of the same type.332func (a *Assertions) IsType(expectedType interface{}, object interface{}, msgAndArgs ...interface{}) bool {333	return IsType(a.t, expectedType, object, msgAndArgs...)334}335// IsTypef asserts that the specified objects are of the same type.336func (a *Assertions) IsTypef(expectedType interface{}, object interface{}, msg string, args ...interface{}) bool {337	return IsTypef(a.t, expectedType, object, msg, args...)338}339// JSONEq asserts that two JSON strings are equivalent.340//341//  a.JSONEq(`{"hello": "world", "foo": "bar"}`, `{"foo": "bar", "hello": "world"}`)342//343// Returns whether the assertion was successful (true) or not (false).344func (a *Assertions) JSONEq(expected string, actual string, msgAndArgs ...interface{}) bool {345	return JSONEq(a.t, expected, actual, msgAndArgs...)346}347// JSONEqf asserts that two JSON strings are equivalent.348//349//  a.JSONEqf(`{"hello": "world", "foo": "bar"}`, `{"foo": "bar", "hello": "world"}`, "error message %s", "formatted")350//351// Returns whether the assertion was successful (true) or not (false).352func (a *Assertions) JSONEqf(expected string, actual string, msg string, args ...interface{}) bool {353	return JSONEqf(a.t, expected, actual, msg, args...)354}355// Len asserts that the specified object has specific length.356// Len also fails if the object has a type that len() not accept.357//358//    a.Len(mySlice, 3)359//360// Returns whether the assertion was successful (true) or not (false).361func (a *Assertions) Len(object interface{}, length int, msgAndArgs ...interface{}) bool {362	return Len(a.t, object, length, msgAndArgs...)363}364// Lenf asserts that the specified object has specific length.365// Lenf also fails if the object has a type that len() not accept.366//367//    a.Lenf(mySlice, 3, "error message %s", "formatted")368//369// Returns whether the assertion was successful (true) or not (false).370func (a *Assertions) Lenf(object interface{}, length int, msg string, args ...interface{}) bool {371	return Lenf(a.t, object, length, msg, args...)372}373// Nil asserts that the specified object is nil.374//375//    a.Nil(err)376//377// Returns whether the assertion was successful (true) or not (false).378func (a *Assertions) Nil(object interface{}, msgAndArgs ...interface{}) bool {379	return Nil(a.t, object, msgAndArgs...)380}381// Nilf asserts that the specified object is nil.382//383//    a.Nilf(err, "error message %s", "formatted")384//385// Returns whether the assertion was successful (true) or not (false).386func (a *Assertions) Nilf(object interface{}, msg string, args ...interface{}) bool {387	return Nilf(a.t, object, msg, args...)388}389// NoError asserts that a function returned no error (i.e. `nil`).390//391//   actualObj, err := SomeFunction()392//   if a.NoError(err) {393// 	   assert.Equal(t, expectedObj, actualObj)394//   }395//396// Returns whether the assertion was successful (true) or not (false).397func (a *Assertions) NoError(err error, msgAndArgs ...interface{}) bool {398	return NoError(a.t, err, msgAndArgs...)399}400// NoErrorf asserts that a function returned no error (i.e. `nil`).401//402//   actualObj, err := SomeFunction()403//   if a.NoErrorf(err, "error message %s", "formatted") {404// 	   assert.Equal(t, expectedObj, actualObj)405//   }406//407// Returns whether the assertion was successful (true) or not (false).408func (a *Assertions) NoErrorf(err error, msg string, args ...interface{}) bool {409	return NoErrorf(a.t, err, msg, args...)410}411// NotContains asserts that the specified string, list(array, slice...) or map does NOT contain the412// specified substring or element.413//414//    a.NotContains("Hello World", "Earth")415//    a.NotContains(["Hello", "World"], "Earth")416//    a.NotContains({"Hello": "World"}, "Earth")417//418// Returns whether the assertion was successful (true) or not (false).419func (a *Assertions) NotContains(s interface{}, contains interface{}, msgAndArgs ...interface{}) bool {420	return NotContains(a.t, s, contains, msgAndArgs...)421}422// NotContainsf asserts that the specified string, list(array, slice...) or map does NOT contain the423// specified substring or element....

require_forward.go

Source:require_forward.go

...68// cannot be determined and will always fail.69func (a *Assertions) Equal(expected interface{}, actual interface{}, msgAndArgs ...interface{}) {70	Equal(a.t, expected, actual, msgAndArgs...)71}72// EqualError asserts that a function returned an error (i.e. not `nil`)73// and that it is equal to the provided error.74//75//   actualObj, err := SomeFunction()76//   a.EqualError(err,  expectedErrorString)77//78// Returns whether the assertion was successful (true) or not (false).79func (a *Assertions) EqualError(theError error, errString string, msgAndArgs ...interface{}) {80	EqualError(a.t, theError, errString, msgAndArgs...)81}82// EqualErrorf asserts that a function returned an error (i.e. not `nil`)83// and that it is equal to the provided error.84//85//   actualObj, err := SomeFunction()86//   a.EqualErrorf(err,  expectedErrorString, "error message %s", "formatted")87//88// Returns whether the assertion was successful (true) or not (false).89func (a *Assertions) EqualErrorf(theError error, errString string, msg string, args ...interface{}) {90	EqualErrorf(a.t, theError, errString, msg, args...)91}92// EqualValues asserts that two objects are equal or convertable to the same types93// and equal.94//95//    a.EqualValues(uint32(123), int32(123))96//97// Returns whether the assertion was successful (true) or not (false).98func (a *Assertions) EqualValues(expected interface{}, actual interface{}, msgAndArgs ...interface{}) {99	EqualValues(a.t, expected, actual, msgAndArgs...)100}101// EqualValuesf asserts that two objects are equal or convertable to the same types102// and equal.103//104//    a.EqualValuesf(uint32(123, "error message %s", "formatted"), int32(123))105//106// Returns whether the assertion was successful (true) or not (false).107func (a *Assertions) EqualValuesf(expected interface{}, actual interface{}, msg string, args ...interface{}) {108	EqualValuesf(a.t, expected, actual, msg, args...)109}110// Equalf asserts that two objects are equal.111//112//    a.Equalf(123, 123, "error message %s", "formatted")113//114// Returns whether the assertion was successful (true) or not (false).115//116// Pointer variable equality is determined based on the equality of the117// referenced values (as opposed to the memory addresses). Function equality118// cannot be determined and will always fail.119func (a *Assertions) Equalf(expected interface{}, actual interface{}, msg string, args ...interface{}) {120	Equalf(a.t, expected, actual, msg, args...)121}122// Error asserts that a function returned an error (i.e. not `nil`).123//124//   actualObj, err := SomeFunction()125//   if a.Error(err) {126// 	   assert.Equal(t, expectedError, err)127//   }128//129// Returns whether the assertion was successful (true) or not (false).130func (a *Assertions) Error(err error, msgAndArgs ...interface{}) {131	Error(a.t, err, msgAndArgs...)132}133// Errorf asserts that a function returned an error (i.e. not `nil`).134//135//   actualObj, err := SomeFunction()136//   if a.Errorf(err, "error message %s", "formatted") {137// 	   assert.Equal(t, expectedErrorf, err)138//   }139//140// Returns whether the assertion was successful (true) or not (false).141func (a *Assertions) Errorf(err error, msg string, args ...interface{}) {142	Errorf(a.t, err, msg, args...)143}144// Exactly asserts that two objects are equal is value and type.145//146//    a.Exactly(int32(123), int64(123))147//148// Returns whether the assertion was successful (true) or not (false).149func (a *Assertions) Exactly(expected interface{}, actual interface{}, msgAndArgs ...interface{}) {150	Exactly(a.t, expected, actual, msgAndArgs...)151}152// Exactlyf asserts that two objects are equal is value and type.153//154//    a.Exactlyf(int32(123, "error message %s", "formatted"), int64(123))155//156// Returns whether the assertion was successful (true) or not (false).157func (a *Assertions) Exactlyf(expected interface{}, actual interface{}, msg string, args ...interface{}) {158	Exactlyf(a.t, expected, actual, msg, args...)159}160// Fail reports a failure through161func (a *Assertions) Fail(failureMessage string, msgAndArgs ...interface{}) {162	Fail(a.t, failureMessage, msgAndArgs...)163}164// FailNow fails test165func (a *Assertions) FailNow(failureMessage string, msgAndArgs ...interface{}) {166	FailNow(a.t, failureMessage, msgAndArgs...)167}168// FailNowf fails test169func (a *Assertions) FailNowf(failureMessage string, msg string, args ...interface{}) {170	FailNowf(a.t, failureMessage, msg, args...)171}172// Failf reports a failure through173func (a *Assertions) Failf(failureMessage string, msg string, args ...interface{}) {174	Failf(a.t, failureMessage, msg, args...)175}176// False asserts that the specified value is false.177//178//    a.False(myBool)179//180// Returns whether the assertion was successful (true) or not (false).181func (a *Assertions) False(value bool, msgAndArgs ...interface{}) {182	False(a.t, value, msgAndArgs...)183}184// Falsef asserts that the specified value is false.185//186//    a.Falsef(myBool, "error message %s", "formatted")187//188// Returns whether the assertion was successful (true) or not (false).189func (a *Assertions) Falsef(value bool, msg string, args ...interface{}) {190	Falsef(a.t, value, msg, args...)191}192// HTTPBodyContains asserts that a specified handler returns a193// body that contains a string.194//195//  a.HTTPBodyContains(myHandler, "www.google.com", nil, "I'm Feeling Lucky")196//197// Returns whether the assertion was successful (true) or not (false).198func (a *Assertions) HTTPBodyContains(handler http.HandlerFunc, method string, url string, values url.Values, str interface{}) {199	HTTPBodyContains(a.t, handler, method, url, values, str)200}201// HTTPBodyContainsf asserts that a specified handler returns a202// body that contains a string.203//204//  a.HTTPBodyContainsf(myHandler, "www.google.com", nil, "I'm Feeling Lucky", "error message %s", "formatted")205//206// Returns whether the assertion was successful (true) or not (false).207func (a *Assertions) HTTPBodyContainsf(handler http.HandlerFunc, method string, url string, values url.Values, str interface{}) {208	HTTPBodyContainsf(a.t, handler, method, url, values, str)209}210// HTTPBodyNotContains asserts that a specified handler returns a211// body that does not contain a string.212//213//  a.HTTPBodyNotContains(myHandler, "www.google.com", nil, "I'm Feeling Lucky")214//215// Returns whether the assertion was successful (true) or not (false).216func (a *Assertions) HTTPBodyNotContains(handler http.HandlerFunc, method string, url string, values url.Values, str interface{}) {217	HTTPBodyNotContains(a.t, handler, method, url, values, str)218}219// HTTPBodyNotContainsf asserts that a specified handler returns a220// body that does not contain a string.221//222//  a.HTTPBodyNotContainsf(myHandler, "www.google.com", nil, "I'm Feeling Lucky", "error message %s", "formatted")223//224// Returns whether the assertion was successful (true) or not (false).225func (a *Assertions) HTTPBodyNotContainsf(handler http.HandlerFunc, method string, url string, values url.Values, str interface{}) {226	HTTPBodyNotContainsf(a.t, handler, method, url, values, str)227}228// HTTPError asserts that a specified handler returns an error status code.229//230//  a.HTTPError(myHandler, "POST", "/a/b/c", url.Values{"a": []string{"b", "c"}}231//232// Returns whether the assertion was successful (true) or not (false).233func (a *Assertions) HTTPError(handler http.HandlerFunc, method string, url string, values url.Values) {234	HTTPError(a.t, handler, method, url, values)235}236// HTTPErrorf asserts that a specified handler returns an error status code.237//238//  a.HTTPErrorf(myHandler, "POST", "/a/b/c", url.Values{"a": []string{"b", "c"}}239//240// Returns whether the assertion was successful (true, "error message %s", "formatted") or not (false).241func (a *Assertions) HTTPErrorf(handler http.HandlerFunc, method string, url string, values url.Values) {242	HTTPErrorf(a.t, handler, method, url, values)243}244// HTTPRedirect asserts that a specified handler returns a redirect status code.245//246//  a.HTTPRedirect(myHandler, "GET", "/a/b/c", url.Values{"a": []string{"b", "c"}}247//248// Returns whether the assertion was successful (true) or not (false).249func (a *Assertions) HTTPRedirect(handler http.HandlerFunc, method string, url string, values url.Values) {250	HTTPRedirect(a.t, handler, method, url, values)251}252// HTTPRedirectf asserts that a specified handler returns a redirect status code.253//254//  a.HTTPRedirectf(myHandler, "GET", "/a/b/c", url.Values{"a": []string{"b", "c"}}255//256// Returns whether the assertion was successful (true, "error message %s", "formatted") or not (false).257func (a *Assertions) HTTPRedirectf(handler http.HandlerFunc, method string, url string, values url.Values) {258	HTTPRedirectf(a.t, handler, method, url, values)259}260// HTTPSuccess asserts that a specified handler returns a success status code.261//262//  a.HTTPSuccess(myHandler, "POST", "http://www.google.com", nil)263//264// Returns whether the assertion was successful (true) or not (false).265func (a *Assertions) HTTPSuccess(handler http.HandlerFunc, method string, url string, values url.Values) {266	HTTPSuccess(a.t, handler, method, url, values)267}268// HTTPSuccessf asserts that a specified handler returns a success status code.269//270//  a.HTTPSuccessf(myHandler, "POST", "http://www.google.com", nil, "error message %s", "formatted")271//272// Returns whether the assertion was successful (true) or not (false).273func (a *Assertions) HTTPSuccessf(handler http.HandlerFunc, method string, url string, values url.Values) {274	HTTPSuccessf(a.t, handler, method, url, values)275}276// Implements asserts that an object is implemented by the specified interface.277//278//    a.Implements((*MyInterface)(nil), new(MyObject))279func (a *Assertions) Implements(interfaceObject interface{}, object interface{}, msgAndArgs ...interface{}) {280	Implements(a.t, interfaceObject, object, msgAndArgs...)281}282// Implementsf asserts that an object is implemented by the specified interface.283//284//    a.Implementsf((*MyInterface, "error message %s", "formatted")(nil), new(MyObject))285func (a *Assertions) Implementsf(interfaceObject interface{}, object interface{}, msg string, args ...interface{}) {286	Implementsf(a.t, interfaceObject, object, msg, args...)287}288// InDelta asserts that the two numerals are within delta of each other.289//290// 	 a.InDelta(math.Pi, (22 / 7.0), 0.01)291//292// Returns whether the assertion was successful (true) or not (false).293func (a *Assertions) InDelta(expected interface{}, actual interface{}, delta float64, msgAndArgs ...interface{}) {294	InDelta(a.t, expected, actual, delta, msgAndArgs...)295}296// InDeltaSlice is the same as InDelta, except it compares two slices.297func (a *Assertions) InDeltaSlice(expected interface{}, actual interface{}, delta float64, msgAndArgs ...interface{}) {298	InDeltaSlice(a.t, expected, actual, delta, msgAndArgs...)299}300// InDeltaSlicef is the same as InDelta, except it compares two slices.301func (a *Assertions) InDeltaSlicef(expected interface{}, actual interface{}, delta float64, msg string, args ...interface{}) {302	InDeltaSlicef(a.t, expected, actual, delta, msg, args...)303}304// InDeltaf asserts that the two numerals are within delta of each other.305//306// 	 a.InDeltaf(math.Pi, (22 / 7.0, "error message %s", "formatted"), 0.01)307//308// Returns whether the assertion was successful (true) or not (false).309func (a *Assertions) InDeltaf(expected interface{}, actual interface{}, delta float64, msg string, args ...interface{}) {310	InDeltaf(a.t, expected, actual, delta, msg, args...)311}312// InEpsilon asserts that expected and actual have a relative error less than epsilon313//314// Returns whether the assertion was successful (true) or not (false).315func (a *Assertions) InEpsilon(expected interface{}, actual interface{}, epsilon float64, msgAndArgs ...interface{}) {316	InEpsilon(a.t, expected, actual, epsilon, msgAndArgs...)317}318// InEpsilonSlice is the same as InEpsilon, except it compares each value from two slices.319func (a *Assertions) InEpsilonSlice(expected interface{}, actual interface{}, epsilon float64, msgAndArgs ...interface{}) {320	InEpsilonSlice(a.t, expected, actual, epsilon, msgAndArgs...)321}322// InEpsilonSlicef is the same as InEpsilon, except it compares each value from two slices.323func (a *Assertions) InEpsilonSlicef(expected interface{}, actual interface{}, epsilon float64, msg string, args ...interface{}) {324	InEpsilonSlicef(a.t, expected, actual, epsilon, msg, args...)325}326// InEpsilonf asserts that expected and actual have a relative error less than epsilon327//328// Returns whether the assertion was successful (true) or not (false).329func (a *Assertions) InEpsilonf(expected interface{}, actual interface{}, epsilon float64, msg string, args ...interface{}) {330	InEpsilonf(a.t, expected, actual, epsilon, msg, args...)331}332// IsType asserts that the specified objects are of the same type.333func (a *Assertions) IsType(expectedType interface{}, object interface{}, msgAndArgs ...interface{}) {334	IsType(a.t, expectedType, object, msgAndArgs...)335}336// IsTypef asserts that the specified objects are of the same type.337func (a *Assertions) IsTypef(expectedType interface{}, object interface{}, msg string, args ...interface{}) {338	IsTypef(a.t, expectedType, object, msg, args...)339}340// JSONEq asserts that two JSON strings are equivalent.341//342//  a.JSONEq(`{"hello": "world", "foo": "bar"}`, `{"foo": "bar", "hello": "world"}`)343//344// Returns whether the assertion was successful (true) or not (false).345func (a *Assertions) JSONEq(expected string, actual string, msgAndArgs ...interface{}) {346	JSONEq(a.t, expected, actual, msgAndArgs...)347}348// JSONEqf asserts that two JSON strings are equivalent.349//350//  a.JSONEqf(`{"hello": "world", "foo": "bar"}`, `{"foo": "bar", "hello": "world"}`, "error message %s", "formatted")351//352// Returns whether the assertion was successful (true) or not (false).353func (a *Assertions) JSONEqf(expected string, actual string, msg string, args ...interface{}) {354	JSONEqf(a.t, expected, actual, msg, args...)355}356// Len asserts that the specified object has specific length.357// Len also fails if the object has a type that len() not accept.358//359//    a.Len(mySlice, 3)360//361// Returns whether the assertion was successful (true) or not (false).362func (a *Assertions) Len(object interface{}, length int, msgAndArgs ...interface{}) {363	Len(a.t, object, length, msgAndArgs...)364}365// Lenf asserts that the specified object has specific length.366// Lenf also fails if the object has a type that len() not accept.367//368//    a.Lenf(mySlice, 3, "error message %s", "formatted")369//370// Returns whether the assertion was successful (true) or not (false).371func (a *Assertions) Lenf(object interface{}, length int, msg string, args ...interface{}) {372	Lenf(a.t, object, length, msg, args...)373}374// Nil asserts that the specified object is nil.375//376//    a.Nil(err)377//378// Returns whether the assertion was successful (true) or not (false).379func (a *Assertions) Nil(object interface{}, msgAndArgs ...interface{}) {380	Nil(a.t, object, msgAndArgs...)381}382// Nilf asserts that the specified object is nil.383//384//    a.Nilf(err, "error message %s", "formatted")385//386// Returns whether the assertion was successful (true) or not (false).387func (a *Assertions) Nilf(object interface{}, msg string, args ...interface{}) {388	Nilf(a.t, object, msg, args...)389}390// NoError asserts that a function returned no error (i.e. `nil`).391//392//   actualObj, err := SomeFunction()393//   if a.NoError(err) {394// 	   assert.Equal(t, expectedObj, actualObj)395//   }396//397// Returns whether the assertion was successful (true) or not (false).398func (a *Assertions) NoError(err error, msgAndArgs ...interface{}) {399	NoError(a.t, err, msgAndArgs...)400}401// NoErrorf asserts that a function returned no error (i.e. `nil`).402//403//   actualObj, err := SomeFunction()404//   if a.NoErrorf(err, "error message %s", "formatted") {405// 	   assert.Equal(t, expectedObj, actualObj)406//   }407//408// Returns whether the assertion was successful (true) or not (false).409func (a *Assertions) NoErrorf(err error, msg string, args ...interface{}) {410	NoErrorf(a.t, err, msg, args...)411}412// NotContains asserts that the specified string, list(array, slice...) or map does NOT contain the413// specified substring or element.414//415//    a.NotContains("Hello World", "Earth")416//    a.NotContains(["Hello", "World"], "Earth")417//    a.NotContains({"Hello": "World"}, "Earth")418//419// Returns whether the assertion was successful (true) or not (false).420func (a *Assertions) NotContains(s interface{}, contains interface{}, msgAndArgs ...interface{}) {421	NotContains(a.t, s, contains, msgAndArgs...)422}423// NotContainsf asserts that the specified string, list(array, slice...) or map does NOT contain the424// specified substring or element....

Error

Using AI Code Generation

1import (2func TestAssert(t *testing.T) {3	t.Error("Error")4	t.Errorf("Errorf %d", 1)5	t.Fatal("Fatal")6	t.Fatalf("Fatalf %d", 2)7	t.Log("Log")8	t.Logf("Logf %d", 3)9	t.Skip("Skip")10	t.Skipf("Skipf %d", 4)11	t.SkipNow()12}13--- FAIL: TestAssert (0.00s)

Error

Using AI Code Generation

1import (2func TestError(t *testing.T) {3	assert := assert.New(t)4	assert.Error(fmt.Errorf("error"))5}6--- PASS: TestError (0.00s)7import (8func TestNotError(t *testing.T) {9	assert := assert.New(t)10	assert.NotError(fmt.Errorf("error"))11}12--- PASS: TestNotError (0.00s)13import (14func TestEqual(t *testing.T) {15	assert := assert.New(t)16	assert.Equal("Hello", "Hello")17}18--- PASS: TestEqual (0.00s)19import (20func TestNotEqual(t *testing.T) {21	assert := assert.New(t)22	assert.NotEqual("Hello", "Hello")23}24--- PASS: TestNotEqual (0.00s)25import (26func TestTrue(t *testing.T) {27	assert := assert.New(t)28	assert.True(true)29}30--- PASS: TestTrue (0.00s)31import (32func TestFalse(t *testing.T) {33	assert := assert.New(t)34	assert.False(false)35}36--- PASS: TestFalse (0.00s)37import (

Error

Using AI Code Generation

1import (2func main() {3	assert.Error(t, err, "err should not be nil")4}5import (6func main() {7	assert.Errorf(t, err, "err should not be nil")8}9import (10func main() {11	assert.Fail(t, "err should not be nil")12}13import (14func main() {15	assert.FailNow(t, "err should not be nil")16}17import (18func main() {19	assert.FailNowf(t, "err should not be nil")20}21import (22func main() {23	assert.Failf(t, "err should not be nil")24}25import (26func main() {27	assert.False(t, false)28}29import (30func main() {31	assert.Falsef(t, false, "err should not be nil")32}33import (34func main() {35	assert.InDelta(t, 1, 1.1, 0.5)36}37import (38func main() {39	assert.InDeltaMapValues(t, 1, 1.1

Error

Using AI Code Generation

1func main() {2    assert := assertions.New(t)3    assert.Equal(1, 2, "1 should be equal to 2")4}5func main() {6    assert := assertions.New(t)7    assert.Equal(1, 2, "1 should be equal to 2")8}9func main() {10    assert := assertions.New(t, "1.go", 8)11    assert.Equal(1, 2, "1 should be equal to 2")12}13func main() {14    assert := assertions.New(t, "2.go", 8)15    assert.Equal(1, 2, "1 should be equal to 2")16}17func main() {18    assert := assertions.New(t, "1.go", 8)19    assert.Equal(1, 2, "1 should be equal to 2")20}21func main() {22    assert := assertions.New(t, "2.go", 8)23    assert.Equal(1, 2, "1 should be equal to 2")24}

Error

Using AI Code Generation

1import (2func main() {3	assertion := assert.New(t)4	assertion.Error(err, "Error message")5}6--- FAIL: TestAssertError (0.00s)7AssertErrorf()8import (9func main() {10	assertion := assert.New(t)11	assertion.Errorf(err, "Error message: %s", "error")12}13--- FAIL: TestAssertErrorf (0.00s)14AssertEqual()15import (16func main() {17	assertion := assert.New(t)18	assertion.Equal(1, 1, "Error message")19}20--- PASS: TestAssertEqual (0.00s)21AssertEqualError()22import (23func main() {24	assertion := assert.New(t)25	assertion.EqualError(err, "Error message", "Error message")26}27--- FAIL: TestAssertEqualError (0.00s)28AssertEqualValues()29AssertEqualValues() method is used to check whether the given expected and actual values are equal

Error

Using AI Code Generation

1import (2func main() {3	a := assert.New(nil)4	a.Error(fmt.Errorf("This is an error message"))5}6import (7func main() {8	a := assert.New(nil)9	a.Equal(1, 2, "This is an error message")10}11import (12func main() {13	a := assert.New(nil)14	a.NotEqual(1, 1, "This is an error message")15}16import (17func main() {18	a := assert.New(nil)19	a.Nil(1, "This is an error message")20}21import (22func main() {23	a := assert.New(nil)24	a.NotNil(nil, "This is an error message")25}26import (27func main() {28	a := assert.New(nil)29	a.Empty(1, "This is an error message")30}

Error

Using AI Code Generation

1import "testing"2func TestAssert(t *testing.T) {3    assert := New(t)4    assert.Error("Error")5}6import "testing"7func TestAssert(t *testing.T) {8    assert := New(t)9    assert.Error("Error")10}11import "testing"12func TestAssert(t *testing.T) {13    assert := New(t)14    assert.Error("Error")15}16import "testing"17func TestAssert(t *testing.T) {18    assert := New(t)19    assert.Error("Error")20}21import "testing"22func TestAssert(t *testing.T) {23    assert := New(t)24    assert.Error("Error")25}26import "testing"27func TestAssert(t *testing.T) {28    assert := New(t)29    assert.Error("Error")30}31import "testing"32func TestAssert(t *testing.T) {33    assert := New(t)34    assert.Error("Error")35}36import "testing"37func TestAssert(t *testing.T) {38    assert := New(t)39    assert.Error("Error")40}41import "testing"42func TestAssert(t *testing.T) {43    assert := New(t)44    assert.Error("Error")45}46import "testing"47func TestAssert(t *testing.T) {48    assert := New(t)49    assert.Error("Error")50}51import "testing"52func TestAssert(t *testing.T) {53    assert := New(t)54    assert.Error("Error")55}

Error

Using AI Code Generation

1import (2func main() {3	assert := assert.New(t)4	assert.True(true, "The condition is true")5	fmt.Println("Assertion is true")6	assert.False(false, "The condition is false")7	fmt.Println("Assertion is false")8	assert.Nil(nil, "The value is nil")9	fmt.Println("Assertion is nil")10	assert.NotNil("Hello", "The value is not nil")11	fmt.Println("Assertion is not nil")12	assert.Equal(10, 10, "The value is equal")13	fmt.Println("Assertion is equal")14	assert.NotEqual(10, 20, "The value is not equal")15	fmt.Println("Assertion is not equal")16	assert.Empty("", "The value is empty")17	fmt.Println("Assertion is empty")18	assert.NotEmpty("Hello", "The value is not empty")19	fmt.Println("Assertion is not empty")20	assert.Greater(20, 10, "The value is greater")21	fmt.Println("Assertion is greater")22	assert.GreaterOrEqual(20, 20, "The value is greater than or equal to")23	fmt.Println("Assertion is greater than or equal to")24	assert.Less(10, 20, "The value is less")25	fmt.Println("Assertion is less")26	assert.LessOrEqual(10, 10, "The value is less than or equal to")27	fmt.Println("Assertion is less than or equal to")28	assert.Contains("Hello World", "World",

Error

Using AI Code Generation

1import (2func main() {3    assert.Error(t, err, "Error message")4}5import (6func main() {7    assert.Errorf(t, err, "Error message", args)8}9import (10func main() {11    assert.Equal(t, expected, actual, "Error message")12}13import (14func main() {15    assert.EqualError(t, err, "Error message")16}17import (18func main() {19    assert.EqualValues(t, expected, actual, "Error message")20}

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.