Add quota usage details tests for all other storage backends.

IndexedDB test was included in parent CL. Test: add test for usageDetails with caches. Change-Id: Icc3462f13d0dce0197a8ec54f22d5ad794a51292
web-platform-tests · Dec 12, 2018 · 69114e4 · 69114e4
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diff --git a/storage/estimate-usage-details-application-cache.https.tentative.html b/storage/estimate-usage-details-application-cache.https.tentative.html
@@ -0,0 +1,37 @@
+<!doctype html>
+<html>
+<title>Quota Estimate: usage details reflect application cache changes.</title>
+<meta charset='utf-8'>
+<link rel='author' href='[email protected]' title='Jarryd Goodman'>
+<script src='/resources/testharness.js'></script>
+<script src='/resources/testharnessreport.js'></script>
+<script src='../cookie-store/resources/helpers.js'></script>
+<script>
+'use strict';
+
+promise_test(async t => {
+  const estimate = await navigator.storage.estimate();
+  assert_true(typeof estimate === 'object');
+  assert_true('usage' in estimate);
+  assert_equals(typeof estimate.usage, 'number');
+  assert_true('quota' in estimate);
+  assert_equals(typeof estimate.quota, 'number');
+}, 'estimate() resolves to dictionary with members');
+
+promise_test(async t => {
+  let estimate = await navigator.storage.estimate();
+
+  const usageBeforeCreate = estimate.usageDetails.applicationCache || 0;
+
+  const iframe = await createIframe('./resources/helper_iframe.html', t);
+  await waitForMessage();
+
+  estimate = await navigator.storage.estimate();
+  assert_true('applicationCache' in estimate.usageDetails);
+  const usageAfterCreate = estimate.usageDetails.applicationCache;
+
+  assert_greater_than(
+    usageAfterCreate, usageBeforeCreate);
+}, 'estimate() shows usage increase after app is cached');
+</script>
+</html>
diff --git a/storage/estimate-usage-details-caches.https.tentative.any.js b/storage/estimate-usage-details-caches.https.tentative.any.js
@@ -0,0 +1,20 @@
+// META: title=StorageManager: estimate() for caches
+
+promise_test(async t => {
+  let estimate = await navigator.storage.estimate();
+
+  const cachesUsageBeforeCreate = estimate.usageDetails.caches || 0;
+
+  const cacheName = 'testCache';
+  const cache = await caches.open(cacheName);
+  t.add_cleanup(() => caches.delete(cacheName));
+
+  await cache.put('/test.json', new Response('x'.repeat(1024*1024)));
+
+  estimate = await navigator.storage.estimate();
+  assert_true('caches' in estimate.usageDetails);
+  const cachesUsageAfterPut = estimate.usageDetails.caches;
+  assert_greater_than(
+    cachesUsageAfterPut, cachesUsageBeforeCreate,
+    'estimated usage should increase after value is stored');
+}, 'estimate() shows usage increase after large value is stored');
diff --git a/storage/estimate-usage-details-service-workers.https.tentative.window.js b/storage/estimate-usage-details-service-workers.https.tentative.window.js
@@ -0,0 +1,22 @@
+// META: title=StorageManager: estimate() for service worker registrations
+
+promise_test(async t => {
+  let estimate = await navigator.storage.estimate();
+
+  const usageBeforeCreate = estimate.usageDetails.serviceWorkerRegistrations ||
+      0;
+
+  // Note: helpers.js is just an arbitrary selection, it could be any file
+  // as this test does not depend on the contents of the file.
+  const serviceWorkerRegistration = await
+      navigator.serviceWorker.register('./helpers.js');
+  t.add_cleanup(() => serviceWorkerRegistration.unregister());
+
+  estimate = await navigator.storage.estimate();
+  assert_true('serviceWorkerRegistrations' in estimate.usageDetails);
+  const usageAfterCreate = estimate.usageDetails.serviceWorkerRegistrations;
+
+  assert_greater_than(
+    usageAfterCreate, usageBeforeCreate,
+    'estimated usage should increase after service worker is registered');
+}, 'estimate() shows usage increase after large value is stored');
diff --git a/storage/resources/appcache.manifest b/storage/resources/appcache.manifest
@@ -0,0 +1 @@
+CACHE MANIFEST
diff --git a/storage/resources/helper_iframe.html b/storage/resources/helper_iframe.html
@@ -0,0 +1,17 @@
+<!doctype html>
+<html manifest="appcache.manifest">
+<title>Iframe that will be cached using application cache.</title>
+<meta charset='utf-8'>
+<link rel='author' href='[email protected]' title='Jarryd Goodman'>
+<script>
+(async () => {
+  const initPromise = new Promise(resolve => {
+    applicationCache.addEventListener('cached', resolve, false);
+    applicationCache.addEventListener('noupdate', resolve, false);
+  });
+  await initPromise;
+
+  window.parent.postMessage('document cached');
+})();
+</script>
+</html>