Add streaming direct support

README.md

@@ -139,6 +139,7 @@ func main() {
 * [x] GET /api/v1/streaming/hashtag?tag=:hashtag
 * [x] GET /api/v1/streaming/hashtag/local?tag=:hashtag
 * [x] GET /api/v1/streaming/list?list=:list_id
+* [x] GET /api/v1/streaming/direct
 
 ## Installation
 

streaming.go

@@ -164,3 +164,8 @@ func (c *Client) StreamingList(ctx context.Context, id ID) (chan Event, error) {
 
 	return c.streaming(ctx, "list", params)
 }
+
+// StreamingDirect return channel to read events on a direct messages.
+func (c *Client) StreamingDirect(ctx context.Context) (chan Event, error) {
+	return c.streaming(ctx, "direct", nil)
+}

streaming_test.go

@@ -333,3 +333,43 @@ data: {"content": "foo"}
 		t.Fatalf("want %q but %q", "foo", events[0].(*UpdateEvent).Status.Content)
 	}
 }
+
+func TestStreamingDirect(t *testing.T) {
+	var isEnd bool
+	ts := httptest.NewServer(http.HandlerFunc(func(w http.ResponseWriter, r *http.Request) {
+		if isEnd {
+			return
+		} else if r.URL.Path != "/api/v1/streaming/direct" {
+			http.Error(w, http.StatusText(http.StatusNotFound), http.StatusNotFound)
+			return
+		}
+		f, _ := w.(http.Flusher)
+		fmt.Fprintln(w, `
+event: update
+data: {"content": "foo"}
+		`)
+		f.Flush()
+		isEnd = true
+	}))
+	defer ts.Close()
+
+	client := NewClient(&Config{Server: ts.URL})
+	ctx, cancel := context.WithCancel(context.Background())
+	time.AfterFunc(time.Second, cancel)
+	q, err := client.StreamingDirect(ctx)
+	if err != nil {
+		t.Fatalf("should not be fail: %v", err)
+	}
+	events := []Event{}
+	for e := range q {
+		if _, ok := e.(*ErrorEvent); !ok {
+			events = append(events, e)
+		}
+	}
+	if len(events) != 1 {
+		t.Fatalf("result should be one: %d", len(events))
+	}
+	if events[0].(*UpdateEvent).Status.Content != "foo" {
+		t.Fatalf("want %q but %q", "foo", events[0].(*UpdateEvent).Status.Content)
+	}
+}