How to use TestCode method of td_test Package

Best Go-testdeep code snippet using td_test.TestCode

td_code_test.go

Source:td_code_test.go Github

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...14 "github.com/maxatome/go-testdeep/internal/ctxerr"15 "github.com/maxatome/go-testdeep/internal/test"16 "github.com/maxatome/go-testdeep/td"17)18func TestCode(t *testing.T) {19 checkOK(t, 12, td.Code(func(n int) bool { return n >= 10 && n < 20 }))20 checkOK(t, 12, td.Code(func(val any) bool {21 num, ok := val.(int)22 return ok && num == 1223 }))24 checkOK(t, errors.New("foobar"), td.Code(func(val error) bool {25 return val.Error() == "foobar"26 }))27 checkOK(t, json.RawMessage(`[42]`),28 td.Code(func(b json.RawMessage) error {29 var l []int30 err := json.Unmarshal(b, &l)31 if err != nil {32 return err33 }34 if len(l) != 1 || l[0] != 42 {35 return errors.New("42 not found")36 }37 return nil38 }))39 // Lax40 checkOK(t, 123, td.Lax(td.Code(func(n float64) bool { return n == 123 })))41 checkError(t, 123, td.Code(func(n float64) bool { return true }),42 expectedError{43 Message: mustBe("incompatible parameter type"),44 Path: mustBe("DATA"),45 Got: mustBe("int"),46 Expected: mustBe("float64"),47 })48 type xInt int49 checkError(t, xInt(12),50 td.Code(func(n int) bool { return n >= 10 && n < 20 }),51 expectedError{52 Message: mustBe("incompatible parameter type"),53 Path: mustBe("DATA"),54 Got: mustBe("td_test.xInt"),55 Expected: mustBe("int"),56 })57 checkError(t, 12,58 td.Code(func(n int) (bool, string) { return false, "custom error" }),59 expectedError{60 Message: mustBe("ran code with %% as argument"),61 Path: mustBe("DATA"),62 Summary: mustBe(" value: 12\nit failed coz: custom error"),63 })64 checkError(t, 12,65 td.Code(func(n int) bool { return false }),66 expectedError{67 Message: mustBe("ran code with %% as argument"),68 Path: mustBe("DATA"),69 Summary: mustBe(" value: 12\nit failed but didn't say why"),70 })71 type MyBool bool72 type MyString string73 checkError(t, 12,74 td.Code(func(n int) (MyBool, MyString) { return false, "very custom error" }),75 expectedError{76 Message: mustBe("ran code with %% as argument"),77 Path: mustBe("DATA"),78 Summary: mustBe(" value: 12\nit failed coz: very custom error"),79 })80 checkError(t, 12,81 td.Code(func(i int) error {82 return errors.New("very custom error")83 }),84 expectedError{85 Message: mustBe("ran code with %% as argument"),86 Path: mustBe("DATA"),87 Summary: mustBe(" value: 12\nit failed coz: very custom error"),88 })89 // Internal use90 checkError(t, 12,91 td.Code(func(i int) error {92 return &ctxerr.Error{93 Message: "my message",94 Summary: ctxerr.NewSummary("my summary"),95 }96 }),97 expectedError{98 Message: mustBe("my message"),99 Path: mustBe("DATA"),100 Summary: mustBe("my summary"),101 })102 //103 // Bad usage104 checkError(t, "never tested",105 td.Code(nil),106 expectedError{107 Message: mustBe("bad usage of Code operator"),108 Path: mustBe("DATA"),109 Summary: mustBe("usage: Code(FUNC), but received nil as 1st parameter"),110 })111 checkError(t, "never tested",112 td.Code((func(string) bool)(nil)),113 expectedError{114 Message: mustBe("bad usage of Code operator"),115 Path: mustBe("DATA"),116 Summary: mustBe("Code(FUNC): FUNC cannot be a nil function"),117 })118 checkError(t, "never tested",119 td.Code("test"),120 expectedError{121 Message: mustBe("bad usage of Code operator"),122 Path: mustBe("DATA"),123 Summary: mustBe("usage: Code(FUNC), but received string as 1st parameter"),124 })125 checkError(t, "never tested",126 td.Code(func(x ...int) bool { return true }),127 expectedError{128 Message: mustBe("bad usage of Code operator"),129 Path: mustBe("DATA"),130 Summary: mustBe("Code(FUNC): FUNC must take only one non-variadic argument or (*td.T, arg) or (*td.T, *td.T, arg)"),131 })132 checkError(t, "never tested",133 td.Code(func() bool { return true }),134 expectedError{135 Message: mustBe("bad usage of Code operator"),136 Path: mustBe("DATA"),137 Summary: mustBe("Code(FUNC): FUNC must take only one non-variadic argument or (*td.T, arg) or (*td.T, *td.T, arg)"),138 })139 checkError(t, "never tested",140 td.Code(func(a, b, c, d string) bool { return true }),141 expectedError{142 Message: mustBe("bad usage of Code operator"),143 Path: mustBe("DATA"),144 Summary: mustBe("Code(FUNC): FUNC must take only one non-variadic argument or (*td.T, arg) or (*td.T, *td.T, arg)"),145 })146 checkError(t, "never tested",147 td.Code(func(a int, b string) bool { return true }),148 expectedError{149 Message: mustBe("bad usage of Code operator"),150 Path: mustBe("DATA"),151 Summary: mustBe("Code(FUNC): FUNC must take only one non-variadic argument or (*td.T, arg) or (*td.T, *td.T, arg)"),152 })153 checkError(t, "never tested",154 td.Code(func(t *td.T, a int, b string) bool { return true }),155 expectedError{156 Message: mustBe("bad usage of Code operator"),157 Path: mustBe("DATA"),158 Summary: mustBe("Code(FUNC): FUNC must take only one non-variadic argument or (*td.T, arg) or (*td.T, *td.T, arg)"),159 })160 checkError(t, "never tested", // because it is certainly an error161 td.Code(func(assert, require *td.T) bool { return true }),162 expectedError{163 Message: mustBe("bad usage of Code operator"),164 Path: mustBe("DATA"),165 Summary: mustBe("Code(FUNC): FUNC must take only one non-variadic argument or (*td.T, arg) or (*td.T, *td.T, arg)"),166 })167 checkError(t, "never tested",168 td.Code(func(n int) (bool, int) { return true, 0 }),169 expectedError{170 Message: mustBe("bad usage of Code operator"),171 Path: mustBe("DATA"),172 Summary: mustBe("Code(FUNC): FUNC must return bool or (bool, string) or error"),173 })174 checkError(t, "never tested",175 td.Code(func(n int) (error, string) { return nil, "" }), //nolint: staticcheck176 expectedError{177 Message: mustBe("bad usage of Code operator"),178 Path: mustBe("DATA"),179 Summary: mustBe("Code(FUNC): FUNC must return bool or (bool, string) or error"),180 })181 checkError(t, "never tested",182 td.Code(func(n int) (int, string) { return 0, "" }),183 expectedError{184 Message: mustBe("bad usage of Code operator"),185 Path: mustBe("DATA"),186 Summary: mustBe("Code(FUNC): FUNC must return bool or (bool, string) or error"),187 })188 checkError(t, "never tested",189 td.Code(func(n int) (string, bool) { return "", true }),190 expectedError{191 Message: mustBe("bad usage of Code operator"),192 Path: mustBe("DATA"),193 Summary: mustBe("Code(FUNC): FUNC must return bool or (bool, string) or error"),194 })195 checkError(t, "never tested",196 td.Code(func(n int) (bool, string, int) { return true, "", 0 }),197 expectedError{198 Message: mustBe("bad usage of Code operator"),199 Path: mustBe("DATA"),200 Summary: mustBe("Code(FUNC): FUNC must return bool or (bool, string) or error"),201 })202 checkError(t, "never tested",203 td.Code(func(n int) {}),204 expectedError{205 Message: mustBe("bad usage of Code operator"),206 Path: mustBe("DATA"),207 Summary: mustBe("Code(FUNC): FUNC must return bool or (bool, string) or error"),208 })209 checkError(t, "never tested",210 td.Code(func(n int) int { return 0 }),211 expectedError{212 Message: mustBe("bad usage of Code operator"),213 Path: mustBe("DATA"),214 Summary: mustBe("Code(FUNC): FUNC must return bool or (bool, string) or error"),215 })216 checkError(t, "never tested",217 td.Code(func(t *td.T, a int) bool { return true }),218 expectedError{219 Message: mustBe("bad usage of Code operator"),220 Path: mustBe("DATA"),221 Summary: mustBe("Code(FUNC): FUNC must return nothing"),222 })223 checkError(t, "never tested",224 td.Code(func(assert, require *td.T, a int) bool { return true }),225 expectedError{226 Message: mustBe("bad usage of Code operator"),227 Path: mustBe("DATA"),228 Summary: mustBe("Code(FUNC): FUNC must return nothing"),229 })230 //231 // String232 test.EqualStr(t,233 td.Code(func(n int) bool { return false }).String(),234 "Code(func(int) bool)")235 test.EqualStr(t,236 td.Code(func(n int) (bool, string) { return false, "" }).String(),237 "Code(func(int) (bool, string))")238 test.EqualStr(t,239 td.Code(func(n int) error { return nil }).String(),240 "Code(func(int) error)")241 test.EqualStr(t,242 td.Code(func(n int) (MyBool, MyString) { return false, "" }).String(),243 "Code(func(int) (td_test.MyBool, td_test.MyString))")244 // Erroneous op245 test.EqualStr(t, td.Code(nil).String(), "Code(<ERROR>)")246}247func TestCodeCustom(t *testing.T) {248 // Specific _checkOK func as td.Code(FUNC) with FUNC(t,arg) or249 // FUNC(assert,require,arg) works in non-boolean context but cannot250 // work in boolean context as there is no initial testing.TB instance251 _customCheckOK := func(t *testing.T, got, expected any, args ...any) bool {252 t.Helper()253 if !td.Cmp(t, got, expected, args...) {254 return false255 }256 // Should always fail in boolean context as no original testing.TB available257 err := td.EqDeeplyError(got, expected)258 if err == nil {259 t.Error(`Boolean context succeeded and it shouldn't`)260 return false261 }262 expErr := expectedError{263 Message: mustBe("cannot build *td.T instance"),264 Path: mustBe("DATA"),265 Summary: mustBe("original testing.TB instance is missing"),266 }267 if !strings.HasPrefix(expected.(fmt.Stringer).String(), "Code") {268 expErr = ifaceExpectedError(t, expErr)269 }270 if !matchError(t, err.(*ctxerr.Error), expErr, true, args...) {271 return false272 }273 if td.EqDeeply(got, expected) {274 t.Error(`Boolean context succeeded and it shouldn't`)275 return false276 }277 return true278 }279 customCheckOK(t, _customCheckOK, 123, td.Code(func(t *td.T, n int) {280 t.Cmp(t.Config.FailureIsFatal, false)281 t.Cmp(n, 123)282 }))283 customCheckOK(t, _customCheckOK, 123, td.Code(func(assert, require *td.T, n int) {284 assert.Cmp(assert.Config.FailureIsFatal, false)285 assert.Cmp(require.Config.FailureIsFatal, true)286 assert.Cmp(n, 123)287 require.Cmp(n, 123)288 }))289 got := map[string]int{"foo": 123}290 t.Run("Simple success", func(t *testing.T) {291 mockT := test.NewTestingTB("TestCodeCustom")292 td.Cmp(mockT, got, td.Map(map[string]int{}, td.MapEntries{293 "foo": td.Code(func(t *td.T, n int) {294 t.Cmp(n, 123)295 }),296 }))297 test.EqualInt(t, len(mockT.Messages), 0)298 })299 t.Run("Simple failure", func(t *testing.T) {300 mockT := test.NewTestingTB("TestCodeCustom")301 td.NewT(mockT).302 RootName("PIPO").303 Cmp(got, td.Map(map[string]int{}, td.MapEntries{304 "foo": td.Code(func(t *td.T, n int) {305 t.Cmp(n, 124) // inherit only RootName306 t.RootName(t.Config.OriginalPath()).Cmp(n, 125) // recover current path307 t.RootName("").Cmp(n, 126) // undo RootName inheritance308 }),309 }))310 test.IsTrue(t, mockT.HasFailed)311 test.IsFalse(t, mockT.IsFatal)312 missing := mockT.ContainsMessages(313 `PIPO: values differ`,314 ` got: 123`,315 `expected: 124`,316 `PIPO["foo"]: values differ`,317 ` got: 123`,318 `expected: 125`,319 `DATA: values differ`,320 ` got: 123`,321 `expected: 126`,322 )323 if len(missing) != 0 {324 t.Error("Following expected messages are not found:\n-", strings.Join(missing, "\n- "))325 t.Error("================================ in:")326 t.Error(strings.Join(mockT.Messages, "\n"))327 t.Error("====================================")328 }329 })330 t.Run("AssertRequire success", func(t *testing.T) {331 mockT := test.NewTestingTB("TestCodeCustom")332 td.Cmp(mockT, got, td.Map(map[string]int{}, td.MapEntries{333 "foo": td.Code(func(assert, require *td.T, n int) {334 assert.Cmp(n, 123)335 require.Cmp(n, 123)336 }),337 }))338 test.EqualInt(t, len(mockT.Messages), 0)339 })340 t.Run("AssertRequire failure", func(t *testing.T) {341 mockT := test.NewTestingTB("TestCodeCustom")342 td.NewT(mockT).343 RootName("PIPO").344 Cmp(got, td.Map(map[string]int{}, td.MapEntries{345 "foo": td.Code(func(assert, require *td.T, n int) {346 assert.Cmp(n, 124) // inherit only RootName347 assert.RootName(assert.Config.OriginalPath()).Cmp(n, 125) // recover current path348 assert.RootName(require.Config.OriginalPath()).Cmp(n, 126) // recover current path349 assert.RootName("").Cmp(n, 127) // undo RootName inheritance350 }),351 }))352 test.IsTrue(t, mockT.HasFailed)353 test.IsFalse(t, mockT.IsFatal)354 missing := mockT.ContainsMessages(355 `PIPO: values differ`,356 ` got: 123`,357 `expected: 124`,358 `PIPO["foo"]: values differ`,359 ` got: 123`,360 `expected: 125`,361 `PIPO["foo"]: values differ`,362 ` got: 123`,363 `expected: 126`,364 `DATA: values differ`,365 ` got: 123`,366 `expected: 127`,367 )368 if len(missing) != 0 {369 t.Error("Following expected messages are not found:\n-", strings.Join(missing, "\n- "))370 t.Error("================================ in:")371 t.Error(strings.Join(mockT.Messages, "\n"))372 t.Error("====================================")373 }374 })375 t.Run("AssertRequire fatalfailure", func(t *testing.T) {376 mockT := test.NewTestingTB("TestCodeCustom")377 td.NewT(mockT).378 RootName("PIPO").379 Cmp(got, td.Map(map[string]int{}, td.MapEntries{380 "foo": td.Code(func(assert, require *td.T, n int) {381 mockT.CatchFatal(func() {382 assert.RootName("FIRST").Cmp(n, 124)383 require.RootName("SECOND").Cmp(n, 125)384 assert.RootName("THIRD").Cmp(n, 126)385 })386 }),387 }))388 test.IsTrue(t, mockT.HasFailed)389 test.IsTrue(t, mockT.IsFatal)390 missing := mockT.ContainsMessages(391 `FIRST: values differ`,392 ` got: 123`,393 `expected: 124`,394 `SECOND: values differ`,395 ` got: 123`,396 `expected: 125`,397 )398 mesgs := strings.Join(mockT.Messages, "\n")399 if len(missing) != 0 {400 t.Error("Following expected messages are not found:\n-", strings.Join(missing, "\n- "))401 t.Error("================================ in:")402 t.Error(mesgs)403 t.Error("====================================")404 }405 if strings.Contains(mesgs, "THIRD") {406 t.Error("THIRD test found, but shouldn't, in:")407 t.Error(mesgs)408 t.Error("====================================")409 }410 })411}412func TestCodeTypeBehind(t *testing.T) {413 // Type behind is the code function parameter one414 equalTypes(t, td.Code(func(n int) bool { return n != 0 }), 23)415 equalTypes(t, td.Code(func(_ *td.T, n int) {}), 23)416 equalTypes(t, td.Code(func(_, _ *td.T, n int) {}), 23)417 type MyTime time.Time418 equalTypes(t,419 td.Code(func(t MyTime) bool { return time.Time(t).IsZero() }),420 MyTime{})421 equalTypes(t, td.Code(func(_ *td.T, t MyTime) {}), MyTime{})422 equalTypes(t, td.Code(func(_, _ *td.T, t MyTime) {}), MyTime{})423 // Erroneous op424 equalTypes(t, td.Code(nil), nil)425}...

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TestCode

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1import "fmt"2import "test"3func main() {4 td := new(test.TestData)5 fmt.Println(td.TestCode())6}7import "fmt"8import "test"9func main() {10 td := new(test.TestData)11 fmt.Println(td.TestCode())12}13import "fmt"14import "test"15func main() {16 td := new(test.TestData)17 fmt.Println(td.TestCode())18}19import "fmt"20import "test"21func main() {22 td := new(test.TestData)23 fmt.Println(td.TestCode())24}25import "fmt"26import "test"27func main() {28 td := new(test.TestData)29 fmt.Println(td.TestCode())30}31import "fmt"32import "test"33func main() {34 td := new(test.TestData)35 fmt.Println(td.TestCode())36}37import "fmt"38import "test"39func main() {40 td := new(test.TestData)41 fmt.Println(td.TestCode())42}43import "fmt"44import "test"45func main() {46 td := new(test.TestData)47 fmt.Println(td.TestCode())48}49import "fmt"50import "test"51func main() {52 td := new(test.TestData)53 fmt.Println(td.TestCode())54}55import "fmt"56import "test"57func main() {58 td := new(test.TestData)59 fmt.Println(td.TestCode())60}

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TestCode

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1import (2func main() {3 t := td_test.TestCode{}4 t.TestCode()5 fmt.Println("End of main")6}7import (8func main() {9 t := td_test.TestCode{}10 t.TestCode()11 fmt.Println("End of main")12}13import (14func main() {15 t := td_test.TestCode{}16 t.TestCode()17 fmt.Println("End of main")18}19import (20func main() {21 t := td_test.TestCode{}22 t.TestCode()23 fmt.Println("End of main")24}25import (26func main() {27 t := td_test.TestCode{}28 t.TestCode()29 fmt.Println("End of main")30}31import (32func main() {33 t := td_test.TestCode{}34 t.TestCode()35 fmt.Println("End of main")36}37import (38func main() {39 t := td_test.TestCode{}40 t.TestCode()41 fmt.Println("End of main")42}

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TestCode

Using AI Code Generation

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1import (2func main() {3 t := td_test.TestCode{}4 t.TestCode()5 fmt.Println("Hello World")6}

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TestCode

Using AI Code Generation

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1import (2func main() {3 fmt.Println("Hello, playground")4 td_test.TestCode()5}6import (7func main() {8 fmt.Println("Hello, playground")9 td_test.TestCode()10}11import (12func main() {13 fmt.Println("Hello, playground")14 td_test.TestCode()15}16import (17func main() {18 fmt.Println("Hello, playground")19 td_test.TestCode()20}21import (22func main() {23 fmt.Println("Hello, playground")24 td_test.TestCode()25}26import (27func main() {28 fmt.Println("Hello, playground")29 td_test.TestCode()30}31import (32func main() {33 fmt.Println("Hello, playground")34 td_test.TestCode()35}36import (37func main() {38 fmt.Println("Hello, playground")39 td_test.TestCode()40}41import (42func main() {43 fmt.Println("Hello, playground")44 td_test.TestCode()45}46import (

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TestCode

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1import (2func main() {3 fmt.Println("Hello, playground")4 td.Test()5}6import (7type TestCode struct {8}9func (td *TestCode) Test() {10 fmt.Println("Test")11}

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TestCode

Using AI Code Generation

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1import (2func main() {3 obj.TestCode()4 fmt.Println("TestCode Method is called")5}6import (7func main() {8 obj.TestCode()9 fmt.Println("TestCode Method is called")10}11import (12func main() {13 obj.TestCode()14 fmt.Println("TestCode Method is called")15}16import (17func main() {18 obj.TestCode()19 fmt.Println("TestCode Method is called")20}21import (22func main() {23 obj.TestCode()24 fmt.Println("TestCode Method is called")25}26import (27func main() {28 obj.TestCode()29 fmt.Println("TestCode Method is called")30}31import (32func main() {33 obj.TestCode()34 fmt.Println("TestCode Method is called")35}36import (37func main() {38 obj.TestCode()39 fmt.Println("TestCode Method is called")40}41import (42func main() {43 obj.TestCode()44 fmt.Println("TestCode Method is called")45}

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TestCode

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1import (2func main() {3 fmt.Println("Hello, playground")4 t = td_test.TestCode{1, "Test"}5 t.TestCodeMethod()6}7Your name to display (optional):8Your name to display (optional):

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TestCode

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1import (2func main() {3 fmt.Println(td_test.TestCode())4}5The above code is working fine. But if I change the package name to td_test2 and change the import path in 2.go to td_test2, the code is not working. I am getting the below error:6 /usr/local/go/src/td_test2 (from $GOROOT)7 /home/ashish/go/src/td_test2 (from $GOPATH)

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TestCode

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1import (2func main() {3 fmt.Println(td_test.TestCode())4}5The above code is the simplest way to use the package. You can also import the package in your code and use the function. The code will look like this:6import (7func main() {8 fmt.Println(td_test.TestCode())9}10You can also import the package in your code and use the function. The code will look like this:11import (12func main() {13 fmt.Println(td_test.TestCode())14}15The above code is the simplest way to use the package. You can also import the package in your code and use the function. The code will look like this:16import (17func main() {18 fmt.Println(td_test.TestCode())19}20The above code is the simplest way to use the package. You can also import the package in your code and use the function. The code will look like this:21import (22func main() {23 fmt.Println(td_test.TestCode())24}25The above code is the simplest way to use the package. You can also import the package in your code and use the function. The code will look like this:26import (27func main() {28 fmt.Println(td_test.TestCode())29}30The above code is the simplest way to use the package. You can also import the package in your code and use the function. The code will look like this:31import (32func main() {33 fmt.Println(td_test.TestCode())34}

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