How to use Catch method of td Package

Best Go-testdeep code snippet using td.Catch

td_catch.go

Source:td_catch.go Github

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...9 "github.com/maxatome/go-testdeep/internal/ctxerr"10 "github.com/maxatome/go-testdeep/internal/types"11 "github.com/maxatome/go-testdeep/internal/util"12)13type tdCatch struct {14 tdSmugglerBase15 target reflect.Value16}17var _ TestDeep = &tdCatch{}18// summary(Catch): catches data on the fly before comparing it19// input(Catch): all20// Catch is a smuggler operator. It allows to copy data in target on21// the fly before comparing it as usual against expectedValue.22//23// target must be a non-nil pointer and data should be assignable to24// its pointed type. If BeLax config flag is true or called under [Lax]25// (and so [JSON]) operator, data should be convertible to its pointer26// type.27//28// var id int6429// if td.Cmp(t, CreateRecord("test"),30// td.JSON(`{"id": $1, "name": "test"}`, td.Catch(&id, td.NotZero()))) {31// t.Logf("Created record ID is %d", id)32// }33//34// It is really useful when used with [JSON] operator and/or [tdhttp] helper.35//36// var id int6437// ta := tdhttp.NewTestAPI(t, api.Handler).38// PostJSON("/item", `{"name":"foo"}`).39// CmpStatus(http.StatusCreated).40// CmpJSONBody(td.JSON(`{"id": $1, "name": "foo"}`, td.Catch(&id, td.Gt(0))))41// if !ta.Failed() {42// t.Logf("Created record ID is %d", id)43// }44//45// If you need to only catch data without comparing it, use [Ignore]46// operator as expectedValue as in:47//48// var id int6449// if td.Cmp(t, CreateRecord("test"),50// td.JSON(`{"id": $1, "name": "test"}`, td.Catch(&id, td.Ignore()))) {51// t.Logf("Created record ID is %d", id)52// }53//54// TypeBehind method returns the [reflect.Type] of expectedValue,55// except if expectedValue is a [TestDeep] operator. In this case, it56// delegates TypeBehind() to the operator, but if nil is returned by57// this call, the dereferenced [reflect.Type] of target is returned.58//59// [tdhttp]: https://pkg.go.dev/github.com/maxatome/go-testdeep/helpers/tdhttp60func Catch(target, expectedValue any) TestDeep {61 vt := reflect.ValueOf(target)62 c := tdCatch{63 tdSmugglerBase: newSmugglerBase(expectedValue),64 target: vt,65 }66 if vt.Kind() != reflect.Ptr || vt.IsNil() || !vt.Elem().CanSet() {67 c.err = ctxerr.OpBadUsage("Catch", "(NON_NIL_PTR, EXPECTED_VALUE)", target, 1, true)68 return &c69 }70 if !c.isTestDeeper {71 c.expectedValue = reflect.ValueOf(expectedValue)72 }73 return &c74}75func (c *tdCatch) Match(ctx ctxerr.Context, got reflect.Value) *ctxerr.Error {76 if c.err != nil {77 return ctx.CollectError(c.err)78 }79 if targetType := c.target.Elem().Type(); !got.Type().AssignableTo(targetType) {80 if !ctx.BeLax || !types.IsConvertible(got, targetType) {81 if ctx.BooleanError {82 return ctxerr.BooleanError83 }84 return ctx.CollectError(ctxerr.TypeMismatch(got.Type(), c.target.Elem().Type()))85 }86 c.target.Elem().Set(got.Convert(targetType))87 } else {88 c.target.Elem().Set(got)89 }90 return deepValueEqual(ctx, got, c.expectedValue)91}92func (c *tdCatch) String() string {93 if c.err != nil {94 return c.stringError()95 }96 if c.isTestDeeper {97 return c.expectedValue.Interface().(TestDeep).String()98 }99 return util.ToString(c.expectedValue)100}101func (c *tdCatch) TypeBehind() reflect.Type {102 if c.err != nil {103 return nil104 }105 if c.isTestDeeper {106 if typ := c.expectedValue.Interface().(TestDeep).TypeBehind(); typ != nil {107 return typ108 }109 // Operator unknown type behind, fallback on target dereferenced type110 return c.target.Type().Elem()111 }112 if c.expectedValue.IsValid() {113 return c.expectedValue.Type()114 }115 return nil...

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td_catch_test.go

Source:td_catch_test.go Github

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...8 "testing"9 "github.com/maxatome/go-testdeep/internal/test"10 "github.com/maxatome/go-testdeep/td"11)12func TestCatch(t *testing.T) {13 var num int14 checkOK(t, 12, td.Catch(&num, 12))15 test.EqualInt(t, num, 12)16 var num64 int6417 checkError(t, 12, td.Catch(&num64, 12),18 expectedError{19 Message: mustBe("type mismatch"),20 Got: mustBe("int"),21 Expected: mustBe("int64"),22 })23 checkOK(t, 12, td.Lax(td.Catch(&num64, 12)))24 test.EqualInt(t, int(num64), 12)25 // Lax not needed for interfaces26 var val any27 if checkOK(t, 12, td.Catch(&val, 12)) {28 if n, ok := val.(int); ok {29 test.EqualInt(t, n, 12)30 } else {31 t.Errorf("val is not an int but a %T", val)32 }33 }34 //35 // Bad usages36 checkError(t, "never tested",37 td.Catch(12, 28),38 expectedError{39 Message: mustBe("bad usage of Catch operator"),40 Path: mustBe("DATA"),41 Summary: mustBe("usage: Catch(NON_NIL_PTR, EXPECTED_VALUE), but received int as 1st parameter"),42 })43 checkError(t, "never tested",44 td.Catch(nil, 28),45 expectedError{46 Message: mustBe("bad usage of Catch operator"),47 Path: mustBe("DATA"),48 Summary: mustBe("usage: Catch(NON_NIL_PTR, EXPECTED_VALUE), but received nil as 1st parameter"),49 })50 checkError(t, "never tested",51 td.Catch((*int)(nil), 28),52 expectedError{53 Message: mustBe("bad usage of Catch operator"),54 Path: mustBe("DATA"),55 Summary: mustBe("usage: Catch(NON_NIL_PTR, EXPECTED_VALUE), but received *int (ptr) as 1st parameter"),56 })57 //58 // String59 test.EqualStr(t, td.Catch(&num, 12).String(), "12")60 test.EqualStr(t,61 td.Catch(&num, td.Gt(4)).String(),62 td.Gt(4).String())63 test.EqualStr(t, td.Catch(&num, nil).String(), "nil")64 // Erroneous op65 test.EqualStr(t, td.Catch(nil, 28).String(), "Catch(<ERROR>)")66}67func TestCatchTypeBehind(t *testing.T) {68 var num int69 equalTypes(t, td.Catch(&num, 8), 0)70 equalTypes(t, td.Catch(&num, td.Gt(4)), 0)71 equalTypes(t, td.Catch(&num, td.Ignore()), 0) // fallback on *target72 equalTypes(t, td.Catch(&num, nil), nil)73 // Erroneous op74 equalTypes(t, td.Catch(nil, 28), nil)75}...

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api_list_test.go

Source:api_list_test.go Github

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...35 "long_url": "$longUrl",36 "expires_on": "$expiresOn",37 "created_at": "$createdAt"38 }`,39 td.Tag("slug", td.Catch(&slug, td.Re("[A-Za-z0-9]{8}"))),40 td.Tag("shortUrl", td.Catch(&shortUrl, td.Ignore())),41 td.Tag("longUrl", td.Catch(&longUrl, "https://www.cloudflare.com")),42 td.Tag("expiresOn", td.Nil()),43 td.Tag("createdAt", td.Smuggle(parseDateTime, td.Catch(&createdAt, td.Ignore()))),44 ),45 )46 testAPI.Get("/api/v1/shorturls").47 CmpStatus(http.StatusOK).48 CmpJSONBody(49 td.JSON(50 `[51 {52 "short_url": "$shortUrl",53 "slug": "$slug",54 "long_url": "$longUrl",55 "expires_on": "$expiresOn",56 "created_at": "$createdAt"57 }...

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Catch

Using AI Code Generation

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1import (2func main() {3 xlFile, err := xlsx.OpenFile(excelFileName)4 if err != nil {5 log.Fatal(err)6 }7 for _, sheet := range xlFile.Sheets {8 for _, row := range sheet.Rows {9 for _, cell := range row.Cells {10 text, _ := cell.FormattedValue()11 fmt.Printf("%s\n", text)12 }13 }14 }15}

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Catch

Using AI Code Generation

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1import (2func main() {3 request := gorequest.New()4 End()5 if errs != nil {6 fmt.Println(errs)7 }8 time.Sleep(100 * time.Millisecond)9 if err != nil {10 fmt.Println(err)11 }12 defer res.Body.Close()13 body, err1 := ioutil.ReadAll(res.Body)14 if err1 != nil {15 fmt.Println(err1)16 }17 fmt.Println(string(body))18}

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Catch

Using AI Code Generation

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1import (2func main() {3 defer func() {4 if r := recover(); r != nil {5 fmt.Println("Recovered in f", r)6 }7 }()

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Catch

Using AI Code Generation

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1import (2func main() {3 xlFile, err := xlsx.OpenFile(excelFileName)4 if err != nil {5 fmt.Println(err)6 os.Exit(1)7 }8 value, err := cell.String()9 if err != nil {10 log.Fatal(err)11 }12 fmt.Println(value)13 fmt.Println(cell.Value)14 floatValue, err := cell.Float()15 if err != nil {16 log.Fatal(err)17 }18 fmt.Println(floatValue)19 intValue, err := cell.Int()20 if err != nil {21 log.Fatal(err)22 }23 fmt.Println(intValue)24 fmt.Println(formula)25 style := cell.GetStyle()26 fmt.Println(style)27 numberFormat := cell.GetNumberFormat()28 fmt.Println(numberFormat)29 fmt.Println(hyperlink)30 fmt.Println(comment)31 fmt.Println(richText)32 cellType := cell.Type()33 fmt.Println(cellType)34 hidden := cell.IsHidden()35 fmt.Println(hidden)36 merged := cell.IsMerged()37 fmt.Println(merged)38 fmt.Println(merge)39 row = cell.GetRow()40 fmt.Println(row)41 column := cell.GetColumn()42 fmt.Println(column)

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Catch

Using AI Code Generation

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1import (2func main() {3 defer func() {4 if r := recover(); r != nil {5 fmt.Println("Recover")6 fmt.Println("Recovered in f", r)7 }8 }()9 defer func() {10 if r := recover(); r != nil {11 fmt.Println("Recover")12 fmt.Println("Recovered in g", r)13 }14 }()15 defer func() {16 if r := recover(); r != nil {17 fmt.Println("Recover")18 fmt.Println("Recovered in h", r)19 }20 }()21 fmt.Println("Start")22 f()23 fmt.Println("End")24}25func f() {26 fmt.Println("f:Start")27 g()28 fmt.Println("f:End")29}30func g() {31 fmt.Println("g:Start")32 h()33 fmt.Println("g:End")34}35func h() {36 fmt.Println("h:Start")37 panic("Panic")38 fmt.Println("h:End")39}

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Catch

Using AI Code Generation

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1import (2func main() {3 resp, err := http.Get(url)4 if err != nil {5 fmt.Println("Error:", err)6 os.Exit(1)7 }8 robots, err := ioutil.ReadAll(resp.Body)9 resp.Body.Close()10 if err != nil {11 fmt.Println("Error:", err)12 os.Exit(1)13 }14 fmt.Printf("%s", robots)15 fmt.Println("Time:", time.Now())16}

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Catch

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1import (2func main() {3 if err != nil {4 fmt.Println(err)5 }6 defer resp.Body.Close()7 body, err := ioutil.ReadAll(resp.Body)8 if err != nil {9 fmt.Println(err)10 }11 re := regexp.MustCompile(`(?s)<div class="cb-col cb-col-25 cb-mtch-blk">(.+?)</div>`)12 match := re.FindAllString(string(body), -1)13 for _, v := range match {14 re1 := regexp.MustCompile(`(?s)<a href="(.+?)">(.+?)</a>`)15 match1 := re1.FindAllStringSubmatch(v, -1)16 for _, v1 := range match1 {17 fmt.Println(v1[2])18 }19 }20}

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Catch

Using AI Code Generation

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1import (2func (td *td) Catch() {3 fmt.Println("Caught")4}5type td struct {6}7func main() {8 td.Catch()9 fmt.Println("td type is ", reflect.TypeOf(td).Name())10 Catch()11 fmt.Println("Catch type is ", reflect.TypeOf(Catch).Name())12 Catch()13 fmt.Println("Catch type is ", reflect.TypeOf(Catch).Name())14 Catch()15 fmt.Println("Catch type is ", reflect.TypeOf(Catch).Name())16}17func Catch() {18 fmt.Println("Caught")19}20import (21func (td *td) Catch() {22 fmt.Println("Caught")23}24type td struct {25}26func main() {27 td.Catch()28 fmt.Println("td type is ", reflect.TypeOf(td).Name())29 Catch()30 fmt.Println("Catch type is ", reflect.TypeOf(Catch).Name())31 Catch()32 fmt.Println("Catch type is ", reflect.TypeOf(Catch).Name())33 Catch()34 fmt.Println("Catch type is ", reflect.TypeOf(Catch).Name())35}36func Catch() {37 fmt.Println("Caught")38}39import (

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Catch

Using AI Code Generation

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1import "fmt"2func main() {3 catch := td.Catch(func() {4 td.Throw(td.Exception("Exception"))5 })6 fmt.Println(catch)7}

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