1 files changed, 67 insertions, 0 deletions
diff --git a/devtools/client/application/test/browser/browser_application_panel_manifest-load.js b/devtools/client/application/test/browser/browser_application_panel_manifest-load.js
new file mode 100644
index 0000000000..dd89fbc1a6
--- /dev/null
+++ b/devtools/client/application/test/browser/browser_application_panel_manifest-load.js
@@ -0,0 +1,67 @@
+/* Any copyright is dedicated to the Public Domain.
+   http://creativecommons.org/publicdomain/zero/1.0/ */
+
+"use strict";
+
+/**
+ * Check that the application panel fetches a manifest when in the Manifest Page
+ */
+
+add_task(async function () {
+  info("Test that manifest page loads the manifest successfully");
+  const url = URL_ROOT + "resources/manifest/load-ok.html";
+
+  await enableApplicationPanel();
+  const { panel, tab } = await openNewTabAndApplicationPanel(url);
+  const doc = panel.panelWin.document;
+
+  selectPage(panel, "manifest");
+
+  info("Waiting for the manifest to load");
+  await waitUntil(() => doc.querySelector(".js-manifest") !== null);
+  ok(true, "Manifest loaded successfully");
+
+  // close the tab
+  info("Closing the tab.");
+  await BrowserTestUtils.removeTab(tab);
+});
+
+add_task(async function () {
+  info("Test that manifest page shows an error when failing to load");
+  const url = URL_ROOT + "resources/manifest/load-fail.html";
+
+  await enableApplicationPanel();
+  const { panel, tab } = await openNewTabAndApplicationPanel(url);
+  const doc = panel.panelWin.document;
+
+  selectPage(panel, "manifest");
+
+  info("Waiting for the manifest to fail to load");
+  await waitUntil(
+    () => doc.querySelector(".js-manifest-loaded-error") !== null
+  );
+  ok(true, "Manifest page displays loading error");
+
+  // close the tab
+  info("Closing the tab.");
+  await BrowserTestUtils.removeTab(tab);
+});
+
+add_task(async function () {
+  info("Test that manifest page shows a message when there is no manifest");
+  const url = URL_ROOT + "resources/manifest/load-no-manifest.html";
+
+  await enableApplicationPanel();
+  const { panel, tab } = await openNewTabAndApplicationPanel(url);
+  const doc = panel.panelWin.document;
+
+  selectPage(panel, "manifest");
+
+  info("Waiting for the 'no manifest' message to appear");
+  await waitUntil(() => doc.querySelector(".js-manifest-empty") !== null);
+  ok(true, "Manifest page displays a 'no manifest' message");
+
+  // close the tab
+  info("Closing the tab.");
+  await BrowserTestUtils.removeTab(tab);
+});