How to use CmpErrorIs method of td Package

Best Go-testdeep code snippet using td.CmpErrorIs

example_cmp_test.go

Source:example_cmp_test.go Github

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...546 // true547 // true548 // false549}550func ExampleCmpErrorIs() {551 t := &testing.T{}552 err1 := fmt.Errorf("failure1")553 err2 := fmt.Errorf("failure2: %w", err1)554 err3 := fmt.Errorf("failure3: %w", err2)555 err := fmt.Errorf("failure4: %w", err3)556 ok := td.CmpErrorIs(t, err, err)557 fmt.Println("error is itself:", ok)558 ok = td.CmpErrorIs(t, err, err1)559 fmt.Println("error is also err1:", ok)560 ok = td.CmpErrorIs(t, err1, err)561 fmt.Println("err1 is err:", ok)562 // Output:563 // error is itself: true564 // error is also err1: true565 // err1 is err: false566}567func ExampleCmpFirst_classic() {568 t := &testing.T{}569 got := []int{-3, -2, -1, 0, 1, 2, 3}570 ok := td.CmpFirst(t, got, td.Gt(0), 1)571 fmt.Println("first positive number is 1:", ok)572 isEven := func(x int) bool { return x%2 == 0 }573 ok = td.CmpFirst(t, got, isEven, -2)574 fmt.Println("first even number is -2:", ok)...

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cmp_funcs.go

Source:cmp_funcs.go Github

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...303func CmpEmpty(t TestingT, got any, args ...any) bool {304 t.Helper()305 return Cmp(t, got, Empty(), args...)306}307// CmpErrorIs is a shortcut for:308//309// td.Cmp(t, got, td.ErrorIs(expected), args...)310//311// See [ErrorIs] for details.312//313// Returns true if the test is OK, false if it fails.314//315// If t is a [*T] then its Config field is inherited.316//317// args... are optional and allow to name the test. This name is318// used in case of failure to qualify the test. If len(args) > 1 and319// the first item of args is a string and contains a '%' rune then320// [fmt.Fprintf] is used to compose the name, else args are passed to321// [fmt.Fprint]. Do not forget it is the name of the test, not the322// reason of a potential failure.323func CmpErrorIs(t TestingT, got any, expected error, args ...any) bool {324 t.Helper()325 return Cmp(t, got, ErrorIs(expected), args...)326}327// CmpFirst is a shortcut for:328//329// td.Cmp(t, got, td.First(filter, expectedValue), args...)330//331// See [First] for details.332//333// Returns true if the test is OK, false if it fails.334//335// If t is a [*T] then its Config field is inherited.336//337// args... are optional and allow to name the test. This name is...

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t.go

Source:t.go Github

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...210func (t *T) Empty(got any, args ...any) bool {211 t.Helper()212 return t.Cmp(got, Empty(), args...)213}214// CmpErrorIs is a shortcut for:215//216// t.Cmp(got, td.ErrorIs(expected), args...)217//218// See [ErrorIs] for details.219//220// Returns true if the test is OK, false if it fails.221//222// args... are optional and allow to name the test. This name is223// used in case of failure to qualify the test. If len(args) > 1 and224// the first item of args is a string and contains a '%' rune then225// [fmt.Fprintf] is used to compose the name, else args are passed to226// [fmt.Fprint]. Do not forget it is the name of the test, not the227// reason of a potential failure.228func (t *T) CmpErrorIs(got any, expected error, args ...any) bool {229 t.Helper()230 return t.Cmp(got, ErrorIs(expected), args...)231}232// First is a shortcut for:233//234// t.Cmp(got, td.First(filter, expectedValue), args...)235//236// See [First] for details.237//238// Returns true if the test is OK, false if it fails.239//240// args... are optional and allow to name the test. This name is241// used in case of failure to qualify the test. If len(args) > 1 and242// the first item of args is a string and contains a '%' rune then...

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CmpErrorIs

Using AI Code Generation

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1import (2func main() {3 fmt.Println(td.CmpErrorIs(errors.New("error"), errors.New("error")))4}5import (6func main() {7 fmt.Println(td.CmpErrorIs(errors.New("error"), errors.New("error1")))8}9import (10func main() {11 fmt.Println(td.CmpErrorIs(nil, errors.New("error")))12}13import (14func main() {15 fmt.Println(td.CmpErrorIs(errors.New("error"), nil))16}17import (18func main() {19 fmt.Println(td.CmpErrorIs(nil, nil))20}

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CmpErrorIs

Using AI Code Generation

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1import (2type MyError struct {3}4func (e *MyError) Error() string {5}6func main() {7 e1 := &MyError{"Error 1"}8 e2 := &MyError{"Error 2"}9 cmp := quick.CmpErrorIs(e1, e2)10 fmt.Println(cmp)11}12import (13type MyError struct {14}15func (e *MyError) Error() string {16}17func main() {18 e1 := &MyError{"Error 1"}19 e2 := &MyError{"Error 2"}20 cmp := quick.CmpErrorIs(e1, e2)21 fmt.Println(cmp)22}

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CmpErrorIs

Using AI Code Generation

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1import (2func main() {3 err := fmt.Errorf("error")4 testdeep.CmpErrorIs(err, fmt.Errorf("error"))5 testdeep.CmpErrorIs(err, fmt.Errorf("error1"))6}7import (8func main() {9 err := fmt.Errorf("error")10 testdeep.CmpErrorIs(err, fmt.Errorf("error"))11 testdeep.CmpErrorIs(err, fmt.Errorf("error1"))12}13import (14func main() {15 err := fmt.Errorf("error")16 testdeep.CmpErrorIs(err, fmt.Errorf("error"))17 testdeep.CmpErrorIs(err, fmt.Errorf("error1"))18}

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CmpErrorIs

Using AI Code Generation

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1import (2func main() {3 err := fmt.Errorf("error")4 fmt.Println(testdeep.CmpErrorIs(err, "error"))5}6import (7func main() {8 err := fmt.Errorf("error")9 fmt.Println(testdeep.CmpErrorIs(err, "error"))10}11func CmpErrorIs(err error, msg string) bool

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CmpErrorIs

Using AI Code Generation

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1import (2func TestCmpErrorIs(t *testing.T) {3 assert.CmpErrorIs(t, fmt.Errorf("some error"), fmt.Errorf("some error"), "some error")4 assert.CmpErrorIs(t, fmt.Errorf("some error"), fmt.Errorf("some error"), "some error")5 assert.CmpErrorIsf(t, fmt.Errorf("some error"), fmt.Errorf("some error"), "some error")6 require.CmpErrorIsf(t, fmt.Errorf("some error"), fmt.Errorf("some error"), "some error")7}8import (9func TestCmpErrorIs(t *testing.T) {10 assert.CmpErrorIs(t, fmt.Errorf("some error"), fmt.Errorf("some error"), "some error")11 assert.CmpErrorIs(t, fmt.Errorf("some error"), fmt.Errorf("some error"), "some error")12 assert.CmpErrorIsf(t, fmt.Errorf("some error"), fmt.Errorf("some error"), "some error")13 require.CmpErrorIsf(t, fmt.Errorf("some error"), fmt.Errorf("some error"), "some error")14}

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CmpErrorIs

Using AI Code Generation

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1import (2func main() {3 td := TestD{Error: fmt.Errorf("Test Error")}4 fmt.Println(cmp.CmpErrorIs(td.Error, fmt.Errorf("Test Error")))5}6import (7func main() {8 td := TestD{Error: fmt.Errorf("Test Error")}9 fmt.Println(cmp.CmpErrorIs(td.Error, fmt.Errorf("Test Error2")))10}11import (12func main() {13 td := TestD{Error: fmt.Errorf("Test Error")}14 fmt.Println(cmp.CmpErrorIs(td.Error, nil))15}16import (17func main() {18 td := TestD{Error: nil}19 fmt.Println(cmp.CmpErrorIs(td.Error, nil))20}

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CmpErrorIs

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1import (2func main() {3 err := fmt.Errorf("syntax error")4 if td.CmpErrorIs(err, td.ErrBadPattern) {5 fmt.Println("The error is of type ErrBadPattern")6 } else {7 fmt.Println("The error is not of type ErrBadPattern")8 }9}10import (11func main() {12 err := fmt.Errorf("syntax error")13 if td.CmpErrorIs(err, td.ErrBadPattern) {14 fmt.Println("The error is of type ErrBadPattern")15 } else {16 fmt.Println("The error is not of type ErrBadPattern")17 }18}19import (20func main() {21 err := fmt.Errorf("syntax error")22 if td.CmpErrorIs(err, td.ErrBadPattern) {23 fmt.Println("The error is of type ErrBadPattern")24 } else {25 fmt.Println("The error is not of type ErrBadPattern")26 }27}28import (29func main() {30 err := fmt.Errorf("syntax error")31 if td.CmpErrorIs(err, td.ErrBadPattern) {32 fmt.Println("The error is of type ErrBadPattern")33 } else {34 fmt.Println("The error is not of type ErrBad

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