check that refreshed token has refreshTokenExpiresAt set

Author: anna-romanova

test/test.js

@@ -387,11 +387,14 @@ describe('Service', () => {
       done();
     });
 
-    it('should refresh token granted for PKCE', (done) => {
+    it('should refresh token granted for PKCE', () => {
+      const NOW_SECONDS = OAuth2.getTimeInSeconds_(new Date());
+      const ONE_HOUR_AGO_SECONDS = NOW_SECONDS - 360;
       var token = {
-        granted_time: 100,
-        expires_in: 0,
-        refresh_token: 'bar'
+        granted_time: ONE_HOUR_AGO_SECONDS,
+        expires_in: 100,
+        refresh_token: 'bar',
+        refresh_token_expires_in: 720
       };
       var properties = new MockProperties({
         'oauth2.test': JSON.stringify(token)
@@ -405,11 +408,12 @@ describe('Service', () => {
           .setClientId('test')
           .setTokenUrl('http://www.example.com')
           .setPropertyStore(properties)
+          .generateCodeVerifier()
           .refresh();
 
       var storedToken = JSON.parse(properties.getProperty('oauth2.test'));
       assert.equal(storedToken.refresh_token, 'bar');
-      done();
+      assert.equal(storedToken.refreshTokenExpiresAt, NOW_SECONDS + 360);
     });
 
     it('should retain refresh expiry', () => {