1 files changed, 67 insertions, 0 deletions
diff --git a/devtools/client/application/test/browser/browser_application_panel_manifest-open-json.js b/devtools/client/application/test/browser/browser_application_panel_manifest-open-json.js
new file mode 100644
index 0000000000..7869502d4b
--- /dev/null
+++ b/devtools/client/application/test/browser/browser_application_panel_manifest-open-json.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 has a link that opens the manifest JSON file");
+  const url = URL_ROOT_SSL + "resources/manifest/load-ok-manifest-link.html";
+  const manifestUrl = URL_ROOT_SSL + "resources/manifest/manifest.json";
+
+  await enableApplicationPanel();
+  const { panel, tab } = await openNewTabAndApplicationPanel(url);
+  const doc = panel.panelWin.document;
+
+  selectPage(panel, "manifest");
+
+  info("Waiting for the manifest JSON link");
+  await waitUntil(() => doc.querySelector(".js-manifest-json-link") !== null);
+  ok(true, "Link to JSON is displayed");
+
+  info("Click on link and wait till the JSON is opened in a new tab");
+  // click on the link and wait for the new tab to open
+  const onTabLoaded = BrowserTestUtils.waitForNewTab(
+    gBrowser,
+    `${manifestUrl}`
+  );
+  const link = doc.querySelector(".js-manifest-json-link");
+  link.click();
+  const jsonTab = await onTabLoaded;
+  ok(jsonTab, "The manifest JSON was opened in a new tab");
+
+  // close the tabs
+  info("Closing the page tab.");
+  await BrowserTestUtils.removeTab(tab);
+  info("Closing the manifest JSON tab.");
+  await BrowserTestUtils.removeTab(jsonTab);
+});
+
+add_task(async function () {
+  info(
+    "Test that manifest page does not show a link for manifests embedded in a data url"
+  );
+  const url = URL_ROOT_SSL + "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");
+  is(
+    doc.querySelector(".js-manifest-json-link"),
+    null,
+    "No JSON link is shown"
+  );
+
+  // close tab
+  info("Closing the tab");
+  await BrowserTestUtils.removeTab(tab);
+});