diff --git a/main_test.go b/main_test.go
index 10abeec..217e2c1 100644
--- a/main_test.go
+++ b/main_test.go
@@ -2,6 +2,7 @@ package main
 
 import (
 	"bytes"
+	"fmt"
 	"io"
 	"io/ioutil"
 	"net/http"
@@ -16,6 +17,41 @@ import (
 func Test_Core(t *testing.T) {
 	server := httptest.NewUnstartedServer(nil)
 	server.Close()
+
+	rssserver := httptest.NewServer(http.HandlerFunc(func(w http.ResponseWriter, r *http.Request) {
+		if r.URL.Path == "/feed" {
+			fmt.Fprintln(w,
+				`
+               <?xml version="1.0" encoding="utf-8"?>
+               <rss version="2.0"><channel>
+                  <title>fake.com</title>
+                  <link>/feed</link>
+                  <description>this is fake</description>
+                  <item>
+                     <title>title A</title>
+                     <link>/itemA</link>
+                     <description></description>
+                     <pubDate>Wed, 10 Oct 2018 04:00:00 -0000</pubDate>
+                  </item>
+                  <item>
+                     <title>title B</title>
+                     <link>/itemB</link>
+                     <description>content B</description>
+                     <pubDate>Wed, 10 Oct 2018 04:00:00 -0000</pubDate>
+                  </item>
+               </channel></rss>
+            `,
+			)
+		} else {
+			fmt.Fprintln(w,
+				`
+               body of an item here 12345 <img src="fake/path"></img>
+            `,
+			)
+		}
+	}))
+	defer server.Close()
+
 	wasDBPath := os.Getenv("DBPATH")
 	wasPort := os.Getenv("PORT")
 	defer os.Setenv("DBPATH", wasDBPath)
@@ -46,20 +82,20 @@ func Test_Core(t *testing.T) {
 		{
 			method: "post",
 			path:   "api/feed",
-			body:   `{"url":"https://utw.me/feed/", "refresh":"1m", "items":"Fate", "content":"25"}`,
+			body:   `{"url":"` + rssserver.URL + `/feed", "refresh":"1m", "items":"[AB]", "content":"25"}`,
 			status: 200,
 			post:   func() { time.Sleep(time.Second * 10) },
 		},
 		{
 			method: "get",
 			path:   "api/feed",
-			body:   "https://utw.me/feed/",
+			body:   rssserver.URL + "/feed",
 			status: 200,
 		},
 		{
 			method: "get",
 			path:   "api/feed/item",
-			body:   "https___utw_me_feed_.20180108_https___utw_me_2018_01_08_fate_apocrypha_25_",
+			body:   "http___127_0_0_1_" + strings.Split(rssserver.URL, ":")[2] + "_feed.20181010__itemB",
 			status: 200,
 		},
 	}