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main.go
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main.go
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package main
import (
"bytes"
"fmt"
"net/http"
"os"
"time"
"github.com/nicholasjackson/bench"
"github.com/nicholasjackson/bench/output"
"github.com/nicholasjackson/bench/util"
"github.com/nicholasjackson/env"
)
var version = "dev"
type imageKey struct{}
type postResponse struct{}
var baseURI = env.String("BASE_URI", false, "http://localhost:18080", "base URI for requests")
var timeout = env.Duration("TIMEOUT", false, 60*time.Second, "timeout for each scenario")
var duration = env.Duration("DURATION", false, 5*time.Second, "test duration")
var users = env.Int("USERS", false, 5, "concurrent users")
var showProgress = env.Bool("SHOW_PROGRESS", false, true, "show graphical progress")
func main() {
// Parse the config env vars
err := env.Parse()
if err != nil {
fmt.Println(env.Help())
os.Exit(1)
}
fmt.Println("Benchmarking application")
b := bench.New(*showProgress, *users, *duration, 0*time.Second, *timeout)
b.AddOutput(0*time.Second, os.Stdout, output.WriteTabularData)
b.AddOutput(1*time.Second, util.NewFile("./output.txt"), output.WriteTabularData)
b.AddOutput(1*time.Second, util.NewFile("./output.png"), output.PlotData)
b.AddOutput(0*time.Second, util.NewFile("./error.txt"), output.WriteErrorLogs)
b.RunBenchmarks(HashiCupsFlow)
}
// HashiCupsFlow defines a typical user flow for the HashiCups application
func HashiCupsFlow() error {
graphQLQuery := `{"operationName":null,"variables":{},"query":"{\n coffees {\n id\n name\n }\n}\n"}`
resp, err := http.Post(fmt.Sprintf("%s/api", *baseURI), "application/json", bytes.NewBufferString(graphQLQuery))
if err != nil {
return err
}
if resp.StatusCode != http.StatusOK {
return fmt.Errorf("Expected response code 200 got %d", resp.StatusCode)
}
return nil
}