From b4d33f04357cd7ad7fd7c324c55e128beda12ef2 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Jos=C3=A9=20Carlos=20Ch=C3=A1vez?= <jcchavezs@gmail.com>
Date: Mon, 21 Oct 2019 15:10:27 +0200
Subject: [PATCH] feat(reporter/http): uses an interface for http client so
 users can plug other clients.

---
 reporter/http/http.go | 9 +++++++--
 1 file changed, 7 insertions(+), 2 deletions(-)

diff --git a/reporter/http/http.go b/reporter/http/http.go
index fe3df45..0260df3 100644
--- a/reporter/http/http.go
+++ b/reporter/http/http.go
@@ -37,10 +37,15 @@ const (
 	defaultMaxBacklog    = 1000
 )
 
+// Client will do a request to the Zipkin HTTP Collector
+type Client interface {
+	Do(req *http.Request) (*http.Response, error)
+}
+
 // httpReporter will send spans to a Zipkin HTTP Collector using Zipkin V2 API.
 type httpReporter struct {
 	url           string
-	client        *http.Client
+	client        Client
 	logger        *log.Logger
 	batchInterval time.Duration
 	batchSize     int
@@ -200,7 +205,7 @@ func BatchInterval(d time.Duration) ReporterOption {
 }
 
 // Client sets a custom http client to use.
-func Client(client *http.Client) ReporterOption {
+func Client(client Client) ReporterOption {
 	return func(r *httpReporter) { r.client = client }
 }