Add promise rejection tracking tests

Follows whatwg/html#224. Tests reviewed upstream in Chromium; small changes made to fit with web platform tests (e.g. avoiding duplicate test names).
web-platform-tests · Feb 15, 2017 · 699cc75 · 699cc75
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diff --git a/...bappapis/scripting/processing-model-2/unhandled-promise-rejections/allow-crossorigin.html b/...bappapis/scripting/processing-model-2/unhandled-promise-rejections/allow-crossorigin.html
@@ -0,0 +1,30 @@
+<!DOCTYPE html>
+<meta charset="utf-8">
+<script src="/resources/testharness.js"></script>
+<script src="/resources/testharnessreport.js"></script>
+<script src="/cors/support.js?pipe=sub"></script>
+<link rel="help" href="https://html.spec.whatwg.org/#unhandled-promise-rejections">
+<link rel="help" href="https://html.spec.whatwg.org/#muted-errors">
+
+<body>
+<script>
+'use strict';
+setup({
+  allow_uncaught_exception: true
+});
+
+async_test(function(t) {
+  addEventListener('unhandledrejection', t.step_func(function(e) {
+    assert_equals(e.reason, 42, 'reason should be the one given by the script');
+    t.done();
+  }));
+}, 'Promise rejection event should be received for the cross-origin CORS script');
+
+(function() {
+  var scriptEl = document.createElement('script');
+  scriptEl.src = CROSSDOMAIN + 'support/promise-access-control.py?allow=true';
+  scriptEl.crossOrigin = 'anonymous';
+  document.body.appendChild(scriptEl);
+}());
+</script>
+</body>
diff --git a/...papis/scripting/processing-model-2/unhandled-promise-rejections/disallow-crossorigin.html b/...papis/scripting/processing-model-2/unhandled-promise-rejections/disallow-crossorigin.html
@@ -0,0 +1,34 @@
+<!DOCTYPE html>
+<meta charset="utf-8">
+<script src="/resources/testharness.js"></script>
+<script src="/resources/testharnessreport.js"></script>
+<script src="/cors/support.js?pipe=sub"></script>
+<link rel="help" href="https://html.spec.whatwg.org/#unhandled-promise-rejections">
+<link rel="help" href="https://html.spec.whatwg.org/#muted-errors">
+
+<body>
+<script>
+'use strict';
+
+(function() {
+  var resolveLoaded;
+  var loadedPromise = new Promise(function(resolve) { resolveLoaded = resolve; });
+
+  async_test(function(t) {
+    addEventListener('unhandledrejection', t.unreached_func('unhandledrejection event should never be triggered'));
+    addEventListener('rejectionhandled', t.unreached_func('rejectionhandled event should never be triggered'));
+
+    loadedPromise.then(t.step_func(function() {
+      t.step_timeout(function() {
+        t.done();
+      }, 1000);
+    }));
+  }, 'Promise rejection event should be muted for cross-origin non-CORS script');
+
+  var scriptEl = document.createElement('script');
+  scriptEl.src = CROSSDOMAIN + 'support/promise-access-control.py?allow=false';
+  scriptEl.onload = resolveLoaded;
+  document.body.appendChild(scriptEl);
+}());
+</script>
+</body>
diff --git a/.../processing-model-2/unhandled-promise-rejections/promise-rejection-event-constructor.html b/.../processing-model-2/unhandled-promise-rejections/promise-rejection-event-constructor.html
@@ -0,0 +1,44 @@
+<!DOCTYPE html>
+<meta charset="utf-8">
+<script src="/resources/testharness.js"></script>
+<script src="/resources/testharnessreport.js"></script>
+<link rel="help" href="https://html.spec.whatwg.org/#the-promiserejectionevent-interface">
+<script>
+'use strict';
+
+test(function() {
+  var p = new Promise(function(resolve, reject) {});
+
+  // No custom options are passed (besides required promise).
+  assert_equals(new PromiseRejectionEvent('eventType', { promise: p }).bubbles, false);
+  assert_equals(new PromiseRejectionEvent('eventType', { promise: p }).cancelable, false);
+  assert_equals(new PromiseRejectionEvent('eventType', { promise: p }).promise, p);
+  assert_equals(new PromiseRejectionEvent('eventType', { promise: p }).reason, undefined);
+
+  // No promise is passed.
+  assert_throws(new TypeError(),
+                function() {
+                  new PromiseRejectionEvent('eventType', { bubbles: false });
+                },
+                'Cannot construct PromiseRejectionEventInit without promise');
+
+  // bubbles is passed.
+  assert_equals(new PromiseRejectionEvent('eventType', { bubbles: false, promise: p }).bubbles, false);
+  assert_equals(new PromiseRejectionEvent('eventType', { bubbles: true, promise: p }).bubbles, true);
+
+  // cancelable is passed.
+  assert_equals(new PromiseRejectionEvent('eventType', { cancelable: false, promise: p }).cancelable, false);
+  assert_equals(new PromiseRejectionEvent('eventType', { cancelable: true, promise: p }).cancelable, true);
+
+  // reason is passed.
+  var r = new Error();
+  assert_equals(new PromiseRejectionEvent('eventType', { promise: p, reason: r }).reason, r);
+
+
+  // All initializers are passed.
+  assert_equals(new PromiseRejectionEvent('eventType', { bubbles: true, cancelable: true, promise: p, reason: r }).bubbles, true);
+  assert_equals(new PromiseRejectionEvent('eventType', { bubbles: true, cancelable: true, promise: p, reason: r }).cancelable, true);
+  assert_equals(new PromiseRejectionEvent('eventType', { bubbles: true, cancelable: true, promise: p, reason: r }).promise, p);
+  assert_equals(new PromiseRejectionEvent('eventType', { bubbles: true, cancelable: true, promise: p, reason: r }).reason, r);
+}, "This tests the constructor for the PromiseRejectionEvent DOM class.");
+</script>
diff --git a/...sing-model-2/unhandled-promise-rejections/promise-rejection-events-attached-in-event.html b/...sing-model-2/unhandled-promise-rejections/promise-rejection-events-attached-in-event.html
@@ -0,0 +1,31 @@
+<!DOCTYPE html>
+<meta charset="utf-8">
+<script src="/resources/testharness.js"></script>
+<script src="/resources/testharnessreport.js"></script>
+<link rel="help" href="https://html.spec.whatwg.org/#unhandled-promise-rejections">
+<script>
+'use strict';
+setup({
+  allow_uncaught_exception: true
+});
+async_test(function(t) {
+  var e = new Error('e');
+  var p = Promise.reject(e);
+
+  window.onunhandledrejection = function(evt) {
+    t.step(function() {
+      assert_equals(evt.promise, p);
+      assert_equals(evt.reason, e);
+    });
+    var unreached = t.unreached_func('promise should not be fulfilled');
+    p.then(unreached, function(reason) {
+      t.step(function() {
+        assert_equals(reason, e);
+      });
+      t.step_timeout(function() { t.done(); }, 10);
+    });
+  };
+
+  window.onrejectionhandled = t.unreached_func('rejectionhandled event should not be invoked');
+}, 'Attaching a handler in unhandledrejection should not trigger rejectionhandled.');
+</script>
diff --git a/...ing/processing-model-2/unhandled-promise-rejections/promise-rejection-events-onerror.html b/...ing/processing-model-2/unhandled-promise-rejections/promise-rejection-events-onerror.html
@@ -0,0 +1,35 @@
+<!DOCTYPE html>
+<meta charset="utf-8">
+<script src="/resources/testharness.js"></script>
+<script src="/resources/testharnessreport.js"></script>
+<link rel="help" href="https://html.spec.whatwg.org/#runtime-script-errors">
+<link rel="help" href="https://html.spec.whatwg.org/#unhandled-promise-rejections">
+<script>
+'use strict';
+setup({
+  allow_uncaught_exception: true
+});
+async_test(function(t) {
+  var e = new Error('e');
+  var e2 = new Error('e2');
+
+  window.onerror = function (msg, url, line, col, error) {
+    t.step(function() {
+      assert_equals(msg, 'Uncaught Error: e2');
+      assert_equals(error, e2);
+    });
+    t.done();
+  };
+
+  window.onrejectionhandled = function() {
+    // This should cause onerror
+    throw e2;
+  };
+
+  var p = Promise.reject(e);
+  setTimeout(t.step_func(function() {
+    // This will cause onrejectionhandled
+    p.catch(function() {});
+  }), 1);
+}, 'Throwing inside an unhandledrejection handler invokes the error handler.');
+</script>
diff --git a/...essing-model-2/unhandled-promise-rejections/promise-rejection-events.dedicatedworker.html b/...essing-model-2/unhandled-promise-rejections/promise-rejection-events.dedicatedworker.html
@@ -0,0 +1,11 @@
+<!DOCTYPE html>
+<meta charset="utf-8">
+<title>Promise rejection events tests: in a dedicated worker context</title>
+<script src="/resources/testharness.js"></script>
+<script src="/resources/testharnessreport.js"></script>
+<link rel="help" href="https://html.spec.whatwg.org/#unhandled-promise-rejections">
+
+<script>
+'use strict';
+fetch_tests_from_worker(new Worker('support/promise-rejection-events.js'));
+</script>
diff --git a/...s/scripting/processing-model-2/unhandled-promise-rejections/promise-rejection-events.html b/...s/scripting/processing-model-2/unhandled-promise-rejections/promise-rejection-events.html
@@ -0,0 +1,8 @@
+<!DOCTYPE html>
+<meta charset="utf-8">
+<title>Promise rejection events tests: in a Window context</title>
+<script src="/resources/testharness.js"></script>
+<script src="/resources/testharnessreport.js"></script>
+<link rel="help" href="https://html.spec.whatwg.org/#unhandled-promise-rejections">
+
+<script src="support/promise-rejection-events.js"></script>
diff --git a/...ng-model-2/unhandled-promise-rejections/promise-rejection-events.serviceworker.https.html b/...ng-model-2/unhandled-promise-rejections/promise-rejection-events.serviceworker.https.html
@@ -0,0 +1,12 @@
+<!DOCTYPE html>
+<meta charset="utf-8">
+<title>Promise rejection events tests: in a service worker context</title>
+<script src="/resources/testharness.js"></script>
+<script src="/resources/testharnessreport.js"></script>
+<script src="/service-workers/service-worker/resources/test-helpers.sub.js"></script>
+<link rel="help" href="https://html.spec.whatwg.org/#unhandled-promise-rejections">
+
+<script>
+'use strict';
+service_worker_test('support/promise-rejection-events.js', 'Service worker setup');
+</script>
diff --git a/...rocessing-model-2/unhandled-promise-rejections/promise-rejection-events.sharedworker.html b/...rocessing-model-2/unhandled-promise-rejections/promise-rejection-events.sharedworker.html
@@ -0,0 +1,11 @@
+<!DOCTYPE html>
+<meta charset="utf-8">
+<title>Promise rejection events tests: in a shared worker context</title>
+<script src="/resources/testharness.js"></script>
+<script src="/resources/testharnessreport.js"></script>
+<link rel="help" href="https://html.spec.whatwg.org/#unhandled-promise-rejections">
+
+<script>
+'use strict';
+fetch_tests_from_worker(new SharedWorker('support/promise-rejection-events.js'));
+</script>
diff --git a/...ripting/processing-model-2/unhandled-promise-rejections/support/promise-access-control.py b/...ripting/processing-model-2/unhandled-promise-rejections/support/promise-access-control.py
@@ -0,0 +1,10 @@
+def main(request, response):
+    allow = request.GET.first("allow", "false")
+
+    headers = [("Content-Type", "application/javascript")]
+    if allow != "false":
+        headers.append(("Access-Control-Allow-Origin", "*"))
+
+    body = "new Promise(function(resolve, reject) { reject(42); })"
+
+    return headers, body