ca: refactored to support api/render.Error

ca/bootstrap_test.go

@@ -96,7 +96,7 @@ func mTLSMiddleware(next http.Handler, nonAuthenticatedPaths ...string) http.Han
 		}
 		isMTLS := r.TLS != nil && len(r.TLS.PeerCertificates) > 0
 		if !isMTLS {
-			api.WriteError(w, errs.Unauthorized("missing peer certificate"))
+			render.Error(w, errs.Unauthorized("missing peer certificate"))
 		} else {
 			next.ServeHTTP(w, r)
 		}

ca/client_test.go

@@ -361,7 +361,7 @@ func TestClient_Sign(t *testing.T) {
 				if err := read.JSON(req.Body, body); err != nil {
 					e, ok := tt.response.(error)
 					assert.Fatal(t, ok, "response expected to be error type")
-					api.WriteError(w, e)
+					render.Error(w, e)
 					return
 				} else if !equalJSON(t, body, tt.request) {
 					if tt.request == nil {
@@ -433,7 +433,7 @@ func TestClient_Revoke(t *testing.T) {
 				if err := read.JSON(req.Body, body); err != nil {
 					e, ok := tt.response.(error)
 					assert.Fatal(t, ok, "response expected to be error type")
-					api.WriteError(w, e)
+					render.Error(w, e)
 					return
 				} else if !equalJSON(t, body, tt.request) {
 					if tt.request == nil {