fix lint

Signed-off-by: Vasiliy Tolstov <v.tolstov@unistack.org>

util/http/http_test.go

@@ -3,6 +3,7 @@
 package http
 
 import (
+	"io"
 	"net"
 	"net/http"
 	"testing"
@@ -80,5 +81,4 @@ func TestRoundTripper(t *testing.T) {
 	if string(b) != "hello world" {
 		t.Fatal("response is", string(b))
 	}
-
 }

util/http/trie.go

@@ -8,9 +8,9 @@ import (
 
 // Tree is a trie tree.
 type Trie struct {
-	rmu    sync.RWMutex
 	node   *node
 	rcache map[string]*regexp.Regexp
+	rmu    sync.RWMutex
 }
 
 // node is a node of tree

util/http/trie_test.go

@@ -5,6 +5,26 @@ import (
 	"testing"
 )
 
+func TestTrieContentType(t *testing.T) {
+	type handler struct {
+		name string
+	}
+	tr := NewTrie()
+	tr.Insert([]string{"application/json"}, "/v1/create/{id}", &handler{name: "test"})
+
+	h, _, ok := tr.Search("application/json", "/v1/create/12")
+	if !ok {
+		t.Fatalf("must be found error")
+	}
+	if h.(*handler).name != "test" {
+		t.Fatalf("invalid handler %v", h)
+	}
+	_, _, ok = tr.Search("text/xml", "/v1/create/12")
+	if ok {
+		t.Fatalf("must be not found error")
+	}
+}
+
 func TestTrieNoMatchMethod(t *testing.T) {
 	tr := NewTrie()
 	tr.Insert([]string{http.MethodPut}, "/v1/create/{id}", nil)