Bug 1400655 P2 Add a mochitest to verify the json viewer is shown for json intercepted by a service worker. r=jryans

2017-10-25 17:32:04 -04:00 · 2017-10-25 17:32:04 -04:00 · a8b8c6f790
--- a/devtools/client/jsonview/test/browser.ini
+++ b/devtools/client/jsonview/test/browser.ini
@ -7,11 +7,13 @@ support-files =
  csp_json.json
  csp_json.json^headers^
  doc_frame_script.js
+  empty.html
  head.js
  invalid_json.json
  invalid_json.json^headers^
  manifest_json.json
  manifest_json.json^headers^
+  passthrough-sw.js
  simple_json.json
  simple_json.json^headers^
  valid_json.json
@ -47,3 +49,4 @@ support-files =
 [browser_jsonview_slash.js]
 [browser_jsonview_valid_json.js]
 [browser_json_refresh.js]
+[browser_jsonview_serviceworker.js]
--- a/devtools/client/jsonview/test/browser_jsonview_serviceworker.js
+++ b/devtools/client/jsonview/test/browser_jsonview_serviceworker.js
@ -0,0 +1,74 @@
+/* -*- indent-tabs-mode: nil; js-indent-level: 2 -*- */
+/* vim: set ts=2 et sw=2 tw=80: */
+/* Any copyright is dedicated to the Public Domain.
+ * http://creativecommons.org/publicdomain/zero/1.0/ */
+
+"use strict";
+
+const TEST_JSON_URL = URL_ROOT + "valid_json.json";
+const EMPTY_PAGE = URL_ROOT + "empty.html";
+const SW_SCRIPT = URL_ROOT + "passthrough-sw.js";
+
+add_task(async function() {
+  info("Test valid JSON with service worker started");
+
+  await SpecialPowers.pushPrefEnv({"set": [
+    ["dom.serviceWorkers.exemptFromPerDomainMax", true],
+    ["dom.serviceWorkers.enabled", true],
+    ["dom.serviceWorkers.testing.enabled", true],
+  ]});
+
+  let swTab = BrowserTestUtils.addTab(gBrowser, EMPTY_PAGE);
+  let browser = gBrowser.getBrowserForTab(swTab);
+  await BrowserTestUtils.browserLoaded(browser);
+  await ContentTask.spawn(browser, { script: SW_SCRIPT, scope: TEST_JSON_URL },
+                          async opts => {
+    let reg = await content.navigator.serviceWorker.register(opts.script,
+                                                             { scope: opts.scope });
+    await new content.window.Promise(resolve => {
+      let worker = reg.installing;
+      if (worker.state === 'activated') {
+        return resolve();
+      }
+      worker.addEventListener('statechange', evt => {
+        if (worker.state === 'activated') {
+          resolve();
+        }
+      });
+    });
+  });
+
+  let tab = await addJsonViewTab(TEST_JSON_URL);
+
+  ok(tab.linkedBrowser.contentPrincipal.isNullPrincipal, "Should have null principal");
+
+  is(await countRows(), 3, "There must be three rows");
+
+  let objectCellCount = await getElementCount(
+    ".jsonPanelBox .treeTable .objectCell");
+  is(objectCellCount, 1, "There must be one object cell");
+
+  let objectCellText = await getElementText(
+    ".jsonPanelBox .treeTable .objectCell");
+  is(objectCellText, "", "The summary is hidden when object is expanded");
+
+  // Clicking the value does not collapse it (so that it can be selected and copied).
+  await clickJsonNode(".jsonPanelBox .treeTable .treeValueCell");
+  is(await countRows(), 3, "There must still be three rows");
+
+  // Clicking the label collapses the auto-expanded node.
+  await clickJsonNode(".jsonPanelBox .treeTable .treeLabel");
+  is(await countRows(), 1, "There must be one row");
+
+  await ContentTask.spawn(browser, { script: SW_SCRIPT, scope: TEST_JSON_URL },
+                          async opts => {
+    let reg = await content.navigator.serviceWorker.getRegistration(opts.scope);
+    await reg.unregister();
+  });
+
+  await BrowserTestUtils.removeTab(swTab);
+});
+
+function countRows() {
+  return getElementCount(".jsonPanelBox .treeTable .treeRow");
+}
--- a/devtools/client/jsonview/test/empty.html
+++ b/devtools/client/jsonview/test/empty.html
@ -0,0 +1 @@
+<!doctype html>
--- a/devtools/client/jsonview/test/passthrough-sw.js
+++ b/devtools/client/jsonview/test/passthrough-sw.js
@ -0,0 +1,3 @@
+addEventListener('fetch', evt => {
+  evt.respondWith(fetch(evt.request));
+});