1 files changed, 63 insertions, 0 deletions
diff --git a/devtools/server/tests/unit/test_promises_actor_list_promises.js b/devtools/server/tests/unit/test_promises_actor_list_promises.js
new file mode 100644
index 000000000..f5b273121
--- /dev/null
+++ b/devtools/server/tests/unit/test_promises_actor_list_promises.js
@@ -0,0 +1,63 @@
+/* Any copyright is dedicated to the Public Domain.
+   http://creativecommons.org/publicdomain/zero/1.0/ */
+
+/**
+ * Test that we can get the list of all live Promise objects from the
+ * PromisesActor.
+ */
+
+"use strict";
+
+const { PromisesFront } = require("devtools/shared/fronts/promises");
+const SECRET = "MyLittleSecret";
+
+add_task(function* () {
+  let client = yield startTestDebuggerServer("promises-actor-test");
+  let chromeActors = yield getChromeActors(client);
+
+  // We have to attach the chrome TabActor before playing with the PromiseActor
+  yield attachTab(client, chromeActors);
+  yield testListPromises(client, chromeActors, v =>
+    new Promise(resolve => resolve(v)));
+
+  let response = yield listTabs(client);
+  let targetTab = findTab(response.tabs, "promises-actor-test");
+  ok(targetTab, "Found our target tab.");
+
+  yield testListPromises(client, targetTab, v => {
+    const debuggee = DebuggerServer.getTestGlobal("promises-actor-test");
+    return debuggee.Promise.resolve(v);
+  });
+
+  yield close(client);
+});
+
+function* testListPromises(client, form, makePromise) {
+  let resolution = SECRET + Math.random();
+  let promise = makePromise(resolution);
+  let front = PromisesFront(client, form);
+
+  yield front.attach();
+
+  let promises = yield front.listPromises();
+
+  let found = false;
+  for (let p of promises) {
+    equal(p.type, "object", "Expect type to be Object");
+    equal(p.class, "Promise", "Expect class to be Promise");
+    equal(typeof p.promiseState.creationTimestamp, "number",
+      "Expect creation timestamp to be a number");
+    equal(typeof p.promiseState.timeToSettle, "number",
+      "Expect time to settle to be a number");
+
+    if (p.promiseState.state === "fulfilled" &&
+        p.promiseState.value === resolution) {
+      found = true;
+    }
+  }
+
+  ok(found, "Found our promise");
+  yield front.detach();
+  // Appease eslint
+  void promise;
+}