adding tests folder, removing body close

Author: xinsnake

README.md

@@ -37,6 +37,7 @@ resp, err := t.RoundTrip(req)
 if err != nil {
     log.Fatalln(err)
 }
+defer resp.Body.Close()
 
 fmt.Println(resp)
 ```

digest_auth_client.go

@@ -84,7 +84,6 @@ func (dr *DigestRequest) Execute() (resp *http.Response, err error) {
 	if resp, err = client.Do(req); err != nil {
 		return nil, err
 	}
-	defer resp.Body.Close()
 
 	if resp.StatusCode == 401 {
 		return dr.executeNewDigest(resp)
@@ -141,10 +140,6 @@ func (dr *DigestRequest) executeRequest(authString string) (resp *http.Response,
 	client := &http.Client{
 		Timeout: 30 * time.Second,
 	}
-	if resp, err = client.Do(req); err != nil {
-		return nil, err
-	}
-	defer resp.Body.Close()
 
-	return resp, nil
+	return client.Do(req)
 }

tests/.htdigest

@@ -0,0 +1 @@
+test:Private:d75b886e0865b975d729deb19441ddde

tests/docker-compose.yml

@@ -0,0 +1,17 @@
+version: "3.3"
+services:
+  httpd:
+    image: httpd:latest
+    volumes:
+      - ./httpd.conf:/usr/local/apache2/conf/httpd.conf:ro
+      - ./.htdigest:/usr/local/apache2/conf/.htdigest:ro
+    networks:
+      default_net:
+        ipv4_address: 172.16.1.5
+networks:
+  default_net:
+    driver: bridge
+    ipam:
+      driver: default
+      config:
+        - subnet: 172.16.1.1/27 # 1-30