Merge pull request #90 from erickearns/master

Make underlying httpClient configurable

Author: magik6k

client.go

@@ -160,7 +160,7 @@ func httpClient(ctx context.Context, addr string, namespace string, outs []inter
 
 		hreq.Header.Set("Content-Type", "application/json")
 
-		httpResp, err := _defaultHTTPClient.Do(hreq)
+		httpResp, err := config.httpClient.Do(hreq)
 		if err != nil {
 			return clientResponse{}, &RPCConnectionError{err}
 		}

options.go

@@ -1,6 +1,7 @@
 package jsonrpc
 
 import (
+	"net/http"
 	"reflect"
 	"time"
 
@@ -17,6 +18,8 @@ type Config struct {
 	paramEncoders map[reflect.Type]ParamEncoder
 	errors        *Errors
 
+	httpClient *http.Client
+
 	noReconnect      bool
 	proxyConnFactory func(func() (*websocket.Conn, error)) func() (*websocket.Conn, error) // for testing
 }
@@ -31,6 +34,8 @@ func defaultConfig() Config {
 		timeout:      30 * time.Second,
 
 		paramEncoders: map[reflect.Type]ParamEncoder{},
+
+		httpClient: _defaultHTTPClient,
 	}
 }
 
@@ -75,3 +80,9 @@ func WithErrors(es Errors) func(c *Config) {
 		c.errors = &es
 	}
 }
+
+func WithHTTPClient(h *http.Client) func(c *Config) {
+	return func(c *Config) {
+		c.httpClient = h
+	}
+}