How to use call method of concurrent Package

Best Mock code snippet using concurrent.call

call.go

Source:call.go Github

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1package call2import (3 "fmt"4 "log"5 "net/http"6 "net/url"7 "reflect"8 "strings"9 "sync"10 "time"11 "github.com/briandowns/spinner"12)13// A Call should know how to execute itself, generating14// a Result from its execution15type Call interface {16 MakeIt() map[int]int17}18// A ConcurrentCall represents the very basic structure to19// start calling some URL out. It carries all data20// needed to call-it operate on.21type ConcurrentCall struct {22 URL *url.URL // The endpoint to be tested23 config Config // configs from file24 Attempts int // number of Attempts25 ConcurrentAttempts int // number of concurrent Attempts26}27// A Result contains the info to be outputted at the end28// of the operation29type Result struct {30 URL *url.URL // Endpoint tested31 status map[int]StatusCodeBenchmark // status codes32 totalExecution float64 // total execution time33 avgExecution float64 // average execution time34 minExecution float64 // min execution time35 maxExecution float64 // min execution time36}37// HTTPResponse status code and execution time38type HTTPResponse struct {39 status int // status codes40 err error // possible error41 execution float64 // total execution time42}43// StatusCodeBenchmark with total of occurrences, execution time44type StatusCodeBenchmark struct {45 total int // total46 execution float64 // total execution time47}48// MakeIt executes a call and return its results49func (call *ConcurrentCall) MakeIt() (result Result) {50 result = Result{51 URL: call.URL,52 status: make(map[int]StatusCodeBenchmark),53 totalExecution: 0,54 avgExecution: 0,55 minExecution: 0,56 maxExecution: 0}57 beginning := time.Now()58 if call.config.Name != "" {59 fmt.Println("Case: ", call.config.Name)60 }61 s := spinner.New(spinner.CharSets[31], 300*time.Millisecond)62 s.Prefix = "😎 "63 s.Suffix = " " + call.URL.String()64 s.Start()65 totalAttempts := call.Attempts66 for call.Attempts > 0 {67 concurrentAttempts := calcConcurrentAttempts(*call)68 responses := callURL(call.URL, concurrentAttempts, call.config)69 for _, response := range responses {70 statusCodeBenchmark := result.status[response.status]71 statusCodeBenchmark.total++72 statusCodeBenchmark.execution += response.execution73 result.status[response.status] = statusCodeBenchmark74 if result.minExecution == 0 || result.minExecution > response.execution {75 result.minExecution = response.execution76 }77 if result.maxExecution == 0 || result.maxExecution < response.execution {78 result.maxExecution = response.execution79 }80 }81 call.Attempts -= concurrentAttempts82 }83 s.Stop()84 result.totalExecution = time.Since(beginning).Seconds()85 result.avgExecution = result.totalExecution / float64(totalAttempts)86 return87}88// It calculates the amount of concurrent calls to be executed,89// based on the attempts left. It ensures that the next round90// of concurrent calls will respect the attempts left of a given call91func calcConcurrentAttempts(call ConcurrentCall) (numberOfConcurrentAttempts int) {92 numberOfConcurrentAttempts = call.ConcurrentAttempts93 if numberOfConcurrentAttempts > call.Attempts {94 numberOfConcurrentAttempts = call.Attempts95 }96 return97}98// This func calls an URL concurrently99func callURL(callerURL *url.URL, concurrentAttempts int, config Config) (responses []HTTPResponse) {100 urlResponse := make(chan HTTPResponse)101 var wg sync.WaitGroup102 wg.Add(concurrentAttempts)103 for i := 0; i < int(concurrentAttempts); i++ {104 go func() {105 defer wg.Done()106 beginning := time.Now()107 req, err := buildRequest(callerURL.String(), config)108 if err != nil {109 log.Fatalf("Something got wrong: %v", err)110 }111 client := http.DefaultClient112 response, err := client.Do(req)113 executionSecs := time.Since(beginning).Seconds()114 if err != nil {115 urlResponse <- HTTPResponse{116 err: err,117 execution: executionSecs,118 status: http.StatusRequestTimeout,119 }120 return121 }...

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call_test.go

Source:call_test.go Github

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1package call2import (3 "net/http"4 "net/url"5 "testing"6 "github.com/jarcoal/httpmock"7 "github.com/stretchr/testify/assert"8)9func TestMakeCallsWhenURLExists(test *testing.T) {10 httpmock.Activate()11 defer httpmock.DeactivateAndReset()12 httpmock.RegisterResponder("GET", "http://www.foo.com/bar",13 httpmock.NewStringResponder(200, `[]`))14 params := []string{"http://www.foo.com/bar", "10"}15 call, _ := BuildCall(params, 1, 100)16 result := call.MakeIt()17 assert.Equal(test, 1, len(result.status))18 assert.Equal(test, 10, result.status[200].total)19}20func TestMakeCallsWhenURLDoesntExist(test *testing.T) {21 httpmock.Activate()22 defer httpmock.DeactivateAndReset()23 httpmock.RegisterResponder("GET", "http://www.foo.com/bar",24 httpmock.NewStringResponder(404, `[]`))25 params := []string{"http://www.foo.com/bar", "10"}26 call, _ := BuildCall(params, 1, 100)27 result := call.MakeIt()28 assert.Equal(test, 1, len(result.status))29 assert.Equal(test, 0, result.status[200].total)30 assert.Equal(test, 10, result.status[404].total)31}32func TestMakeCallsReturnTheSameStatusCode(test *testing.T) {33 httpmock.Activate()34 defer httpmock.DeactivateAndReset()35 httpmock.RegisterResponder("GET", "http://www.foo.com/bar",36 httpmock.NewStringResponder(200, `[]`))37 params := []string{"http://www.foo.com/bar", "100"}38 call, _ := BuildCall(params, 1, 10)39 result := call.MakeIt()40 assert.Equal(test, 1, len(result.status))41 assert.Equal(test, 100, result.status[200].total)42}43func TestCalcConcurrentAttemptsWhenThereAreEnoughAttemptsLeft(test *testing.T) {44 urlAddress, _ := url.Parse("http://www.a.com")45 call := ConcurrentCall{URL: urlAddress, Attempts: 100, ConcurrentAttempts: 10}46 assert.Equal(test, 10, calcConcurrentAttempts(call))47}48func TestCalcConcurrentAttemptsWhenThereAreNotEnoughAttemptsLeft(test *testing.T) {49 urlAddress, _ := url.Parse("http://www.a.com")50 call := ConcurrentCall{URL: urlAddress, Attempts: 10, ConcurrentAttempts: 100}51 assert.Equal(test, 10, calcConcurrentAttempts(call))52}53func TestCalcConcurrentAttemptsWhenAttemptsLeftIsEqualToConcurrentAttempts(test *testing.T) {54 urlAddress, _ := url.Parse("http://www.a.com")55 call := ConcurrentCall{URL: urlAddress, Attempts: 10, ConcurrentAttempts: 10}56 assert.Equal(test, 10, calcConcurrentAttempts(call))57}58func TestGetUrl(test *testing.T) {59 urlAddress := "http://www.foo.com/bar"60 httpmock.Activate()61 defer httpmock.DeactivateAndReset()62 httpmock.RegisterResponder("GET", urlAddress,63 httpmock.NewStringResponder(200, `[]`))64 config := Config{}65 parsedURL, _ := url.Parse(urlAddress)66 callResponses := callURL(parsedURL, 50, config)67 for _, response := range callResponses {68 assert.Equal(test, 200, response.status)69 }70 assert.Equal(test, 50, len(callResponses))71}72func Test_buildRequest(t *testing.T) {73 type args struct {74 baseURL string75 config Config76 }77 tests := []struct {78 name string79 args args80 wantErr bool81 }{82 {83 name: "should pass without config",84 args: args{...

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parse.go

Source:parse.go Github

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1package call2import (3 "errors"4 "fmt"5 "net/url"6 "strconv"7 "github.com/matryer/goscript"8)9var (10 // ErrInvalidArgumentsNumber is an error when the number of arguments are invalid11 ErrInvalidArgumentsNumber = errors.New("invalid number of arguments")12 // ErrMethodNotAllowed is an error with bad config method13 ErrMethodNotAllowed = errors.New("Method not allowed")14 // ErrEmptyName is an error with bad Config method15 ErrEmptyName = errors.New("Request Config name cannot be nil")16)17const (18 // AttemptsPosition in Args19 AttemptsPosition = 120 // ConcurrentAttemptsPosition in Args21 ConcurrentAttemptsPosition = 222)23// BuildCall parses all given arguments and transform them into a ConcurrentCall24func BuildCall(args []string, maxAttempts, maxConcurrentAttempts int) (call ConcurrentCall, err error) {25 var (26 callURL *url.URL27 attempts, concurrentAttempts int28 )29 isValid, err := validate(args)30 if !isValid {31 return32 }33 callURL, err = url.Parse(args[0])34 if err != nil {35 return36 }37 attempts, err = ParseIntArgument(args, AttemptsPosition, maxAttempts)38 if err != nil {39 return40 }41 concurrentAttempts, err = ParseIntArgument(args, ConcurrentAttemptsPosition, maxConcurrentAttempts)42 if err != nil {43 return44 }45 call = ConcurrentCall{46 URL: callURL,47 Attempts: attempts,48 ConcurrentAttempts: concurrentAttempts,49 }50 return51}52// Checks if the given parameters are valid53func validate(args []string) (result bool, err error) {54 if args == nil || len(args) < 1 {55 return false, ErrInvalidArgumentsNumber56 }57 _, err = url.ParseRequestURI(args[0])58 if err != nil {59 return60 }61 return true, nil62}63// ParseIntArgument tries to parse an int argument. If it wasn't possible, returns64// default value65func ParseIntArgument(args []string, position int, defaultValue int) (val int, err error) {66 if len(args) <= position {67 val = defaultValue68 return69 }70 val, err = strconv.Atoi(args[position])71 if err != nil {72 fmt.Println("Argument invalid. Using default: " + strconv.Itoa(int(defaultValue)))73 val = defaultValue74 }75 return76}77// BuildCallsFromConfig parses a Config file and transforms the instructions into a list of ConcurrentCalls78func BuildCallsFromConfig() (calls []ConcurrentCall, err error) {79 callConfig, err := config()80 if err != nil {81 return82 }83 for _, c := range callConfig {84 if err = c.checkDefaults(); err != nil {85 return86 }87 if c.Func != "" {88 s, errF := getFuncResult(c.Func)89 if errF != nil {90 return calls, errF91 }92 c.Body = fmt.Sprintf(c.Body, s)93 }94 url, errP := url.ParseRequestURI(c.URL)95 if errP != nil {96 return nil, errP97 }98 newCall := ConcurrentCall{99 URL: url,100 Attempts: c.Attempts,101 ConcurrentAttempts: c.ConcurrentAttempts,102 config: c,103 }104 calls = append(calls, newCall)105 }106 return107}108func getFuncResult(fn string) (s string, err error) {109 script := goscript.New(fn)110 defer script.Close()111 ex, err := script.Execute()112 if err != nil {113 return114 }115 return fmt.Sprintf("%v", ex), err116}...

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call

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1import (2func main() {3 c := make(chan string)4 go count("sheep", c)5 for msg := range c {6 fmt.Println(msg)7 }8}9func count(thing string, c chan string) {10 for i := 1; ; i++ {

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call

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1import (2func main() {3 c.Call()4}5import (6type Concurrent struct {7}8func (c Concurrent) Call() {9 fmt.Println("Hello, World!")10 time.Sleep(2 * time.Second)11}

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call

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1import (2func main() {3 fmt.Println("Main method started")4 go longWait()5 go shortWait()6 fmt.Println("Main method ended")7 time.Sleep(10 * 1e9)8}9func longWait() {10 fmt.Println("longWait started")11 time.Sleep(5 * 1e9)12 fmt.Println("longWait ended")13}14func shortWait() {15 fmt.Println("shortWait started")16 time.Sleep(2 * 1e9)17 fmt.Println("shortWait ended")18}

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call

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1import (2func main() {3 c.Call()4 fmt.Println("main() finished")5}6import (7func main() {8 c.Call()9 fmt.Println("main() finished")10}11import (12func main() {13 c.Call()14 fmt.Println("main() finished")15}16import (17func main() {18 c.Call()19 fmt.Println("main() finished")20}21import (22func main() {23 c.Call()24 fmt.Println("main() finished")25}26import (27func main() {28 c.Call()29 fmt.Println("main() finished")30}31import (32func main() {33 c.Call()34 fmt.Println("main() finished")35}36import (37func main() {38 c.Call()39 fmt.Println("main() finished")40}41import (42func main() {43 c.Call()44 fmt.Println("main() finished")45}46import (47func main() {

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call

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1import (2type concurrent struct {3}4func (c *concurrent) call() {5 fmt.Println("call method")6}7func main() {8 c := concurrent{}9 go c.call()10 time.Sleep(1 * time.Second)11}12import (13type concurrent struct {14}15func (c *concurrent) call(name string) {16 fmt.Println("Hello, " + name)17}18func main() {19 c := concurrent{}20 go c.call("John")21 time.Sleep(1 * time.Second)22}23import (

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call

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1import (2func main() {3 c := concurrent{}4 c.call()5}6import (7type concurrent struct {8}9func (c *concurrent) call() {10 c.call1()11}12func (c *concurrent) call1() {13 c.call2()14}15func (c *concurrent) call2() {16 c.call3()17}18func (c *concurrent) call3() {19 c.call4()20}21func (c *concurrent) call4() {22 c.call5()23}24func (c *concurrent) call5() {25 c.call6()26}27func (c *concurrent) call6() {28 c.call7()29}30func (c *concurrent) call7() {31 c.call8()32}33func (c *concurrent) call8() {34 c.call9()35}36func (c *concurrent) call9() {37 c.call10()38}39func (c *concurrent) call10() {40 c.call11()41}42func (c *concurrent) call11() {43 c.call12()44}45func (c *concurrent) call12() {46 c.call13()47}48func (c *concurrent) call13() {49 c.call14()50}51func (c *concurrent) call14() {52 c.call15()53}54func (c *concurrent) call15() {55 c.call16()56}57func (c *concurrent) call16() {58 c.call17()59}60func (c

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call

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1import (2func main() {3 fmt.Println("Start Goroutines")4 go func() {5 for count := 0; count < 3; count++ {6 for char := 'a'; char < 'a'+26; char++ {7 fmt.Printf("%c ", char)8 }9 }10 }()11 go func() {12 defer wg.Done()13 for count := 0; count < 3; count++ {14 for char := 'A'; char < 'A'+26; char++ {15 fmt.Printf("%c ", char)16 }17 }18 }()19 fmt.Println("Waiting To Finish")20 wg.Wait()21 fmt.Println("Terminating Program")22}23import (24func main() {25 fmt.Println("Start Goroutines")26 go func() {27 for count := 0; count < 3; count++ {28 for char := 'a'; char < 'a'+26; char++ {

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call

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1import (2func main() {3 c := concurrent.New()4 c.Call("hello world")5 time.Sleep(2 * time.Second)6 fmt.Println(c.Result())7}8import (9func main() {10 c := concurrent.New()11 c.Call("hello world")12 time.Sleep(2 * time.Second)13 fmt.Println(c.Result())14}15import (16type Concurrent struct {17}18func New() *Concurrent {19 return &Concurrent{}20}21func (c *Concurrent) Call(s string) {22 go func() {23 for i := 0; i < 5; i++ {24 c.result = fmt.Sprintf("%s %d", s, i)25 time.Sleep(1 * time.Second)26 }27 }()28}29func (c *Concurrent) Result() string {30}31import (32type Concurrent struct {33}34func New() *Concurrent {35 return &Concurrent{}36}37func (c *Concurrent) Call(s string) {38 c.wg.Add(1)39 go func() {40 defer c.wg.Done()41 for i := 0; i < 5; i++ {42 c.result = fmt.Sprintf("%s %d", s, i)43 time.Sleep(1 * time.Second)44 }45 }()46}47func (c *Concurrent) Result() string {

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call

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1import (2func main() {3 conc := NewConcurrent()4 call := conc.Call()5 call(func() {6 fmt.Println("Hello World")7 })8 conc.Wait()9}10import (11type Concurrent struct {12}13func NewConcurrent() *Concurrent {14 return &Concurrent{}15}16func (conc *Concurrent) Call() func(func()) {17 conc.wg.Add(1)18 return func(f func()) {19 f()20 conc.wg.Done()21 }22}23func (conc *Concurrent) Wait() {24 conc.wg.Wait()25}26import (27type Concurrent struct {28}29func NewConcurrent() *Concurrent {30 return &Concurrent{31 ch: make(chan bool),32 }33}34func (conc *Concurrent) Call() func(func()) {35 conc.wg.Add(1)36 return func(f func()) {37 f()38 conc.wg.Done()39 }40}41func (conc *Concurrent) Wait() {42 conc.wg.Wait()43 close(conc.ch)44}45import (46type Concurrent struct {

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