Lint: fix errcheck for responsefilter_test, fcgilient_test caddyserver#2541

Author: Inconnu08

caddyhttp/fastcgi/fcgiclient_test.go

@@ -202,7 +202,9 @@ func generateRandFile(size int) (p string, m string) {
 		if _, err := fo.Write(buf); err != nil {
 			log.Printf("[ERROR] failed to write buffer: %v\n", err)
 		}
-		h.Write(buf)
+		if _, err := h.Write(buf); err != nil {
+			log.Printf("[ERROR] failed to write buffer: %v\n", err)
+		}
 	}
 	m = fmt.Sprintf("%x", h.Sum(nil))
 	return

caddyhttp/gzip/responsefilter_test.go

@@ -17,6 +17,7 @@ package gzip
 import (
 	"compress/gzip"
 	"fmt"
+	"log"
 	"net/http"
 	"net/http/httptest"
 	"testing"
@@ -77,7 +78,9 @@ func TestResponseFilterWriter(t *testing.T) {
 	for i, ts := range tests {
 		server.Next = httpserver.HandlerFunc(func(w http.ResponseWriter, r *http.Request) (int, error) {
 			w.Header().Set("Content-Length", fmt.Sprint(len(ts.body)))
-			w.Write([]byte(ts.body))
+			if _, err := w.Write([]byte(ts.body)); err != nil {
+				log.Println("[ERROR] failed to write response: ", err)
+			}
 			return 200, nil
 		})
 
@@ -86,7 +89,9 @@ func TestResponseFilterWriter(t *testing.T) {
 
 		w := httptest.NewRecorder()
 
-		server.ServeHTTP(w, r)
+		if _, err := server.ServeHTTP(w, r); err != nil {
+			log.Println("[ERROR] unable to serve a gzipped response: ", err)
+		}
 
 		resp := w.Body.String()
 
@@ -109,15 +114,19 @@ func TestResponseGzippedOutput(t *testing.T) {
 
 	server.Next = httpserver.HandlerFunc(func(w http.ResponseWriter, r *http.Request) (int, error) {
 		w.Header().Set("Content-Encoding", "gzip")
-		w.Write([]byte("gzipped"))
+		if _, err := w.Write([]byte("gzipped")); err != nil {
+			log.Println("[ERROR] failed to write response: ", err)
+		}
 		return 200, nil
 	})
 
 	r := urlRequest("/")
 	r.Header.Set("Accept-Encoding", "gzip")
 
 	w := httptest.NewRecorder()
-	server.ServeHTTP(w, r)
+	if _, err := server.ServeHTTP(w, r); err != nil {
+		log.Println("[ERROR] unable to serve a gzipped response: ", err)
+	}
 	resp := w.Body.String()
 
 	if resp != "gzipped" {