From 49c9fb193d07f3376ecea262e798e0eef60b9b7f Mon Sep 17 00:00:00 2001
From: Daniel Huigens <d.huigens@protonmail.com>
Date: Mon, 30 Apr 2018 14:40:59 +0200
Subject: [PATCH] Only call webCrypto.generateKey once in tests

---
 test/general/key.js | 23 +++++++++++++++++++++++
 1 file changed, 23 insertions(+)

diff --git a/test/general/key.js b/test/general/key.js
index 8354423e..3003b8f1 100644
--- a/test/general/key.js
+++ b/test/general/key.js
@@ -1,11 +1,34 @@
 const openpgp = typeof window !== 'undefined' && window.openpgp ? window.openpgp : require('../../dist/openpgp');
 
+const stub = require('sinon/lib/sinon/stub');
 const chai = require('chai');
 chai.use(require('chai-as-promised'));
 
 const { expect } = chai;
 
 describe('Key', function() {
+  let webCrypto = openpgp.util.getWebCryptoAll();
+
+  if (webCrypto) {
+    let generateKey = webCrypto.generateKey;
+    let keyGenStub;
+    let keyGenValue;
+
+    beforeEach(function() {
+      keyGenStub = stub(webCrypto, 'generateKey');
+      keyGenStub.callsFake(function() {
+        if (!keyGenValue) {
+          keyGenValue = generateKey.apply(webCrypto, arguments);
+        }
+        return keyGenValue;
+      });
+    });
+
+    afterEach(function() {
+      keyGenStub.restore();
+    });
+  }
+
   describe('V4', tests);
 
   describe('V5', function() {