Address PR comment, use maybePanic

bench/bench.go

@@ -25,7 +25,7 @@ const (
 type RequesterFactory interface {
 	// GetRequester returns a new Requester, called for each Benchmark
 	// connection.
-	GetRequester(number uint64) (Requester, error)
+	GetRequester(number uint64) Requester
 }
 
 // Requester synchronously issues requests for a particular system under test.
@@ -107,8 +107,7 @@ func (b *Benchmark) Run(outputJson bool, forceTightTicker bool) (*Summary, error
 	for i := uint64(0); i < b.connections; i++ {
 		i := i
 		go func() {
-			requester, _ := b.factory.GetRequester(i)
-			b.worker(requester, ticker, results, errors)
+			b.worker(b.factory.GetRequester(i), ticker, results, errors)
 			// log.Printf("Worker %d done\n", i)
 			wg.Done()
 		}()

main.go

@@ -69,7 +69,7 @@ func main() {
 	}
 
 	if conf.Request.HTTPMethod == "" {
-		if conf.Request.Body == "" && conf.Request.BodyPath == "" {
+		if conf.Request.Body == "" && conf.Request.BodyFile == "" {
 			conf.Request.HTTPMethod = http.MethodGet
 		} else {
 			conf.Request.HTTPMethod = http.MethodPost

web_requester.go

@@ -92,7 +92,7 @@ type WebRequesterFactory struct {
 	Hosts                  []string          `yaml:"Hosts"`
 	Headers                map[string]string `yaml:"Headers"`
 	Body                   string            `yaml:"Body"`
-	BodyPath               string            `yaml:"BodyPath"`
+	BodyFile               string            `yaml:"BodyFile"`
 	ExpectedHTTPStatusCode int               `yaml:"ExpectedHTTPStatusCode"`
 	HTTPMethod             string            `yaml:"HTTPMethod"`
 
@@ -100,7 +100,7 @@ type WebRequesterFactory struct {
 }
 
 // GetRequester returns a new Requester, called for each Benchmark connection.
-func (w *WebRequesterFactory) GetRequester(uint64) (bench.Requester, error) {
+func (w *WebRequesterFactory) GetRequester(uint64) bench.Requester {
 	// if len(w.expandedHeaders) != len(w.Headers) {
 	if w.expandedHeaders == nil {
 		expandedHeaders := make(map[string][]string)
@@ -110,16 +110,16 @@ func (w *WebRequesterFactory) GetRequester(uint64) (bench.Requester, error) {
 		w.expandedHeaders = expandedHeaders
 	}
 
-	// if BodyPath is specified Body is ignored
-	if w.BodyPath != "" {
-		content, err := ioutil.ReadFile(w.BodyPath)
+	// if BodyFile is specified Body is ignored
+	if w.BodyFile != "" {
+		content, err := ioutil.ReadFile(w.BodyFile)
 		if err != nil {
-			return nil, err
+			maybePanic(err)
 		}
 		w.Body = string(content)
 	}
 
-	return &webRequester{w.URL, w.URLs, w.Hosts, w.expandedHeaders, w.Body, w.ExpectedHTTPStatusCode, w.HTTPMethod}, nil
+	return &webRequester{w.URL, w.URLs, w.Hosts, w.expandedHeaders, w.Body, w.ExpectedHTTPStatusCode, w.HTTPMethod}
 }
 
 // webRequester implements Requester by making a GET request to the provided