primary with null, trusted rejects test

src/client/tests/webapp/auto-verifier.test.ts

@@ -558,7 +558,7 @@ describe('fetchAndVerifyIfNeeded tests', () => {
 	});
 
 	test('primary rejects - cache fail', async () => {
-		// expecting the promise to reject, the server to succeed, but the verify function not to be called
+		// expecting the promise to reject, the server to succeed, but the verify function to never be called
 		const {
 			nextPrimary, nextTrusted,
 			primaryFunc, trustedFunc, ensureTrustedFuncReadyFunc, verifyFunc
@@ -596,6 +596,63 @@ describe('fetchAndVerifyIfNeeded tests', () => {
 		expect(verifyFunc).toHaveBeenCalledTimes(0);
 	});
 
+	test('primary with null, trusted rejects - cache miss, failed to ping server', async () => {
+		// expect the promise to reject, but the verify function to never be called
+		const {
+			nextPrimary, nextTrusted, nextEnsureTrustedFuncReady,
+			primaryFunc, trustedFunc, ensureTrustedFuncReadyFunc, verifyFunc
+		} = getManualsAndMocks();
+
+		const primary = nextPrimary();
+		const trusted = nextTrusted();
+		const ensureTrustedFuncReady = nextEnsureTrustedFuncReady();
+
+		const av = new AutoVerifier(primaryFunc, trustedFunc, ensureTrustedFuncReadyFunc, verifyFunc);
+		const resultPromise = av.fetchAndVerifyIfNeeded();
+		let rejection: Error | undefined = undefined;
+		resultPromise.catch(value => { rejection = value; });
+
+		expect(av.primaryPromise).toBe(primary.promise);
+		expect(av.trustedPromise).toBe(trusted.promise);
+		expect(av.trustedStatus).toBe('fetching');
+		expect(primaryFunc).toHaveBeenCalled();
+		expect(trustedFunc).toHaveBeenCalled();
+
+		expect(ensureTrustedFuncReadyFunc).toHaveBeenCalledTimes(0);
+		primary.resolve(null);
+		await disjoint();
+
+		expect(ensureTrustedFuncReadyFunc).toHaveBeenCalled();
+		expect(av.primaryPromise).toBe(null);
+		expect(av.trustedPromise).toBe(trusted.promise);
+		expect(av.trustedStatus).toBe('verifying');
+
+		ensureTrustedFuncReady.resolve();
+		await disjoint();
+
+		expect(av.primaryPromise).toBe(null);
+		expect(av.trustedPromise).toBe(trusted.promise);
+		expect(av.trustedStatus).toBe('verifying');
+
+		expect(rejection).toBeUndefined();
+		jest.spyOn(console, 'warn').mockImplementationOnce(() => {}); // suppress the warning
+		trusted.reject(new Error());
+		await disjoint();
+
+		expect(rejection).toBeDefined();
+		expect(av.primaryPromise).toBe(null);
+		expect(av.trustedPromise).toBe(null);
+		expect(av.trustedStatus).toBe('none');
+
+		await disjoint(); // sanity check
+
+		expect(primaryFunc).toHaveBeenCalledTimes(1);
+		expect(trustedFunc).toHaveBeenCalledTimes(1); // notably, this server response will be thrown out
+		expect(ensureTrustedFuncReadyFunc).toHaveBeenCalledTimes(1);
+		expect(verifyFunc).toHaveBeenCalledTimes(0);
+	});
+
 	// Make sure to do try/catch errors/rejections, verification failures, unverifies in the middle
 	// Multiple tryResolveTrustedPromises
+	// Multiple fetchAndVerifyIfNeeded at the same time
 });