Fix test and lint

src/query/api/v1/httpd/handler.go

@@ -460,7 +460,7 @@ func (h *Handler) RegisterRoutes() error {
 				if err := h.registry.Register(queryhttp.RegisterOptions{
 					Path:    custom.Route(),
 					Handler: handler,
-					Methods: custom.Methods(),
+					Methods: methods(method),
 				}); err != nil {
 					return err
 				}

src/query/util/queryhttp/queryhttp.go

@@ -41,6 +41,7 @@ var (
 		})
 )
 
+// NewEndpointRegistry returns a new endpoint registry.
 func NewEndpointRegistry(
 	router *mux.Router,
 	instrumentOpts instrument.Options,
@@ -52,6 +53,8 @@ func NewEndpointRegistry(
 	}
 }
 
+// EndpointRegistry is an endpoint registry that can register routes
+// and instrument them.
 type EndpointRegistry struct {
 	router         *mux.Router
 	instrumentOpts instrument.Options
@@ -64,13 +67,15 @@ type routeKey struct {
 	method     string
 }
 
+// RegisterOptions are options for registering a handler.
 type RegisterOptions struct {
 	Path       string
 	PathPrefix string
 	Handler    http.Handler
 	Methods    []string
 }
 
+// Register registers an endpoint.
 func (r *EndpointRegistry) Register(
 	opts RegisterOptions,
 	middlewareOpts ...logging.MiddlewareOption,
@@ -140,11 +145,14 @@ func (r *EndpointRegistry) Register(
 	return nil
 }
 
+// RegisterPathsOptions is options for registering multiple paths
+// with the same handler.
 type RegisterPathsOptions struct {
 	Handler http.Handler
 	Methods []string
 }
 
+// RegisterPaths registers multiple paths for the same handler.
 func (r *EndpointRegistry) RegisterPaths(
 	paths []string,
 	opts RegisterPathsOptions,
@@ -162,6 +170,8 @@ func (r *EndpointRegistry) RegisterPaths(
 	return nil
 }
 
+// PathRoute resolves a registered route that was registered by path and method,
+// not by path prefix.
 func (r *EndpointRegistry) PathRoute(path, method string) (*mux.Route, bool) {
 	key := routeKey{
 		path:   path,
@@ -171,6 +181,16 @@ func (r *EndpointRegistry) PathRoute(path, method string) (*mux.Route, bool) {
 	return h, ok
 }
 
+// PathPrefixRoute resolves a registered route that was registered by path
+// prefix, not by path and method.
+func (r *EndpointRegistry) PathPrefixRoute(pathPrefix string) (*mux.Route, bool) {
+	key := routeKey{
+		pathPrefix: pathPrefix,
+	}
+	h, ok := r.registered[key]
+	return h, ok
+}
+
 // Walk walks the router and all its sub-routers, calling walkFn for each route
 // in the tree. The routes are walked in the order they were added. Sub-routers
 // are explored depth-first.