Merge "Fixing issue with expired credentials"
diff --git a/polygerrit-ui/app/elements/shared/gr-rest-api-interface/gr-rest-api-interface.js b/polygerrit-ui/app/elements/shared/gr-rest-api-interface/gr-rest-api-interface.js
index 80c8480..c57a1eb 100644
--- a/polygerrit-ui/app/elements/shared/gr-rest-api-interface/gr-rest-api-interface.js
+++ b/polygerrit-ui/app/elements/shared/gr-rest-api-interface/gr-rest-api-interface.js
@@ -326,12 +326,12 @@
         const isLoggedIn = !!this._cache.get('/accounts/self/detail');
         if (isLoggedIn && err && err.message === FAILED_TO_FETCH_ERROR) {
           this.checkCredentials();
-          return;
-        }
-        if (req.errFn) {
-          req.errFn.call(undefined, null, err);
         } else {
-          this.fire('network-error', {error: err});
+          if (req.errFn) {
+            req.errFn.call(undefined, null, err);
+          } else {
+            this.fire('network-error', {error: err});
+          }
         }
         throw err;
       });
@@ -1127,11 +1127,15 @@
       }).then(res => {
         this._credentialCheck.checking = false;
         if (res) {
-          this._cache.delete('/accounts/self/detail');
+          this._cache.set('/accounts/self/detail', res);
         }
         return res;
       }).catch(err => {
         this._credentialCheck.checking = false;
+        if (err && err.message === FAILED_TO_FETCH_ERROR) {
+          this.fire('auth-error');
+          this._cache.delete('/accounts/self/detail');
+        }
       });
     },
 
diff --git a/polygerrit-ui/app/elements/shared/gr-rest-api-interface/gr-rest-api-interface_test.html b/polygerrit-ui/app/elements/shared/gr-rest-api-interface/gr-rest-api-interface_test.html
index d00e00d..4c35151 100644
--- a/polygerrit-ui/app/elements/shared/gr-rest-api-interface/gr-rest-api-interface_test.html
+++ b/polygerrit-ui/app/elements/shared/gr-rest-api-interface/gr-rest-api-interface_test.html
@@ -465,7 +465,26 @@
       element.addEventListener('server-error', serverErrorStub);
       const authErrorStub = sandbox.stub();
       element.addEventListener('auth-error', authErrorStub);
-      element._fetchJSON('/bar').then(r => {
+      element._fetchJSON('/bar').finally(r => {
+        flush(() => {
+          assert.isTrue(authErrorStub.called);
+          assert.isFalse(serverErrorStub.called);
+          assert.isFalse(element._cache.has('/accounts/self/detail'));
+          done();
+        });
+      });
+    });
+
+    test('auth failure - test all failed to fetch', done => {
+      window.fetch.returns(
+          Promise.reject(new Error('Failed to fetch')));
+      // Emulate logged in.
+      element._cache.set('/accounts/self/detail', {});
+      const serverErrorStub = sandbox.stub();
+      element.addEventListener('server-error', serverErrorStub);
+      const authErrorStub = sandbox.stub();
+      element.addEventListener('auth-error', authErrorStub);
+      element._fetchJSON('/bar').finally(r => {
         flush(() => {
           assert.isTrue(authErrorStub.called);
           assert.isFalse(serverErrorStub.called);