From ecb55ccbb8997a35f605cd95ebf12c7a53fc1ea7 Mon Sep 17 00:00:00 2001
From: Steve Konves <steve.konves@gpsinsight.com>
Date: Sun, 21 Apr 2019 18:52:21 -0700
Subject: [PATCH] fix: allow operation without parameters

---
 src/tester/factories/missing-parameter.ts | 4 +++-
 src/tester/utils/index.ts                 | 4 +++-
 2 files changed, 6 insertions(+), 2 deletions(-)

diff --git a/src/tester/factories/missing-parameter.ts b/src/tester/factories/missing-parameter.ts
index 46acc07..36b17de 100644
--- a/src/tester/factories/missing-parameter.ts
+++ b/src/tester/factories/missing-parameter.ts
@@ -5,7 +5,9 @@ export const createMissingParameters: OperationTestFactory = {
   type: 'operation',
   create: function*({ verb, pathPattern, spec, validRequest }, { uriFactory }) {
     const { parameters } = spec.paths[pathPattern][verb];
-    const required = parameters.filter(p => !isRef(p) && p.required);
+    const required = parameters
+      ? parameters.filter(p => !isRef(p) && p.required)
+      : [];
 
     for (const parameter of required) {
       if (!isRef(parameter)) {
diff --git a/src/tester/utils/index.ts b/src/tester/utils/index.ts
index 1e7839d..2478f8d 100644
--- a/src/tester/utils/index.ts
+++ b/src/tester/utils/index.ts
@@ -41,7 +41,9 @@ export function createValidRequest(
 ): RequestParams {
   const { parameters } = operation;
 
-  const required = parameters.filter(p => !isRef(p) && p.required);
+  const required = parameters
+    ? parameters.filter(p => !isRef(p) && p.required)
+    : [];
   const request: RequestParams = {
     path: {},
     headers: {},