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unit tests
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commit
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4 changed files with 95 additions and 3 deletions
9
go.mod
9
go.mod
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@ -1,3 +1,12 @@
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module notashelf.dev/tct
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go 1.22.2
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require github.com/stretchr/testify v1.9.0
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require (
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github.com/davecgh/go-spew v1.1.1 // indirect
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github.com/pmezard/go-difflib v1.0.0 // indirect
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github.com/stretchr/objx v0.5.2 // indirect
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gopkg.in/yaml.v3 v3.0.1 // indirect
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)
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12
go.sum
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12
go.sum
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@ -0,0 +1,12 @@
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github.com/davecgh/go-spew v1.1.1 h1:vj9j/u1bqnvCEfJOwUhtlOARqs3+rkHYY13jYWTU97c=
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github.com/davecgh/go-spew v1.1.1/go.mod h1:J7Y8YcW2NihsgmVo/mv3lAwl/skON4iLHjSsI+c5H38=
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github.com/pmezard/go-difflib v1.0.0 h1:4DBwDE0NGyQoBHbLQYPwSUPoCMWR5BEzIk/f1lZbAQM=
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github.com/pmezard/go-difflib v1.0.0/go.mod h1:iKH77koFhYxTK1pcRnkKkqfTogsbg7gZNVY4sRDYZ/4=
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github.com/stretchr/objx v0.5.2 h1:xuMeJ0Sdp5ZMRXx/aWO6RZxdr3beISkG5/G/aIRr3pY=
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github.com/stretchr/objx v0.5.2/go.mod h1:FRsXN1f5AsAjCGJKqEizvkpNtU+EGNCLh3NxZ/8L+MA=
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github.com/stretchr/testify v1.9.0 h1:HtqpIVDClZ4nwg75+f6Lvsy/wHu+3BoSGCbBAcpTsTg=
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github.com/stretchr/testify v1.9.0/go.mod h1:r2ic/lqez/lEtzL7wO/rwa5dbSLXVDPFyf8C91i36aY=
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gopkg.in/check.v1 v0.0.0-20161208181325-20d25e280405 h1:yhCVgyC4o1eVCa2tZl7eS0r+SDo693bJlVdllGtEeKM=
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gopkg.in/check.v1 v0.0.0-20161208181325-20d25e280405/go.mod h1:Co6ibVJAznAaIkqp8huTwlJQCZ016jof/cbN4VW5Yz0=
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gopkg.in/yaml.v3 v3.0.1 h1:fxVm/GzAzEWqLHuvctI91KS9hhNmmWOoWu0XTYJS7CA=
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gopkg.in/yaml.v3 v3.0.1/go.mod h1:K4uyk7z7BCEPqu6E+C64Yfv1cQ7kz7rIZviUmN+EgEM=
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15
main.go
15
main.go
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@ -4,6 +4,7 @@ import (
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"context"
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"flag"
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"fmt"
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"io"
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"net/http"
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"os"
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"os/signal"
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@ -12,6 +13,12 @@ import (
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"time"
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)
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type HttpClient interface {
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Get(url string) (*http.Response, error)
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}
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var httpClient HttpClient = &http.Client{}
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func main() {
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urlPtr := flag.String("url", "http://example.com", "URL to fetch")
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maxRequestsPtr := flag.Int("max", 100, "Maximum number of parallel requests")
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@ -45,7 +52,7 @@ func main() {
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return
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default:
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time.Sleep(delay)
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makeRequest(url)
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makeRequest(httpClient, url)
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}
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}()
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}
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@ -60,11 +67,13 @@ func main() {
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fmt.Printf("\nOptimal Number of Parallel TCP Requests: %d\n", optimal)
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}
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func makeRequest(url string) {
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resp, err := http.Get(url)
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func makeRequest(client HttpClient, url string) {
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resp, err := client.Get(url)
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if err != nil {
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fmt.Println(err)
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return
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}
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defer resp.Body.Close()
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body, _ := io.ReadAll(resp.Body)
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_ = body
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}
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62
main_test.go
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62
main_test.go
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package main
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import (
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"bytes"
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"errors"
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"io"
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"net/http"
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"net/http/httptest"
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"testing"
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"github.com/stretchr/testify/mock"
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)
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type MockHttpClient struct {
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mock.Mock
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}
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func (m *MockHttpClient) Get(url string) (*http.Response, error) {
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args := m.Called(url)
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return args.Get(0).(*http.Response), args.Error(1)
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}
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func TestMakeRequest(t *testing.T) {
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tests := []struct {
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name string
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statusCode int
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responseBody string
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expectedError error
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}{
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{
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name: "Successful request",
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statusCode: http.StatusOK,
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responseBody: "OK",
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},
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{
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name: "Failed request",
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statusCode: http.StatusInternalServerError,
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responseBody: "",
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expectedError: errors.New("request failed"),
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},
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}
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for _, tt := range tests {
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t.Run(tt.name, func(t *testing.T) {
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mockClient := new(MockHttpClient)
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server := httptest.NewServer(http.HandlerFunc(func(w http.ResponseWriter, r *http.Request) {
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w.WriteHeader(tt.statusCode)
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w.Write([]byte(tt.responseBody))
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}))
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defer server.Close()
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mockClient.On("Get", server.URL).Return(&http.Response{
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StatusCode: tt.statusCode,
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Body: io.NopCloser(bytes.NewBufferString(tt.responseBody)),
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}, tt.expectedError)
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makeRequest(mockClient, server.URL)
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mockClient.AssertExpectations(t)
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})
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}
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}
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