1 files changed, 66 insertions, 0 deletions
diff --git a/devtools/client/aboutdebugging/test/browser/browser_aboutdebugging_hidden_addons.js b/devtools/client/aboutdebugging/test/browser/browser_aboutdebugging_hidden_addons.js
new file mode 100644
index 0000000000..5d28752c93
--- /dev/null
+++ b/devtools/client/aboutdebugging/test/browser/browser_aboutdebugging_hidden_addons.js
@@ -0,0 +1,66 @@
+/* Any copyright is dedicated to the Public Domain.
+   http://creativecommons.org/publicdomain/zero/1.0/ */
+
+"use strict";
+
+// Test that system and hidden addons are only displayed when the showSystemAddons
+// preferences is true.
+
+const SYSTEM_ADDON = createAddonData({
+  id: "system",
+  name: "System Addon",
+  isSystem: true,
+  hidden: true,
+});
+const HIDDEN_ADDON = createAddonData({
+  id: "hidden",
+  name: "Hidden Addon",
+  isSystem: false,
+  hidden: true,
+});
+const NORMAL_ADDON = createAddonData({
+  id: "normal",
+  name: "Normal Addon",
+  isSystem: false,
+  hidden: false,
+});
+
+add_task(async function testShowSystemAddonsTrue() {
+  info("Test with showHiddenAddons set to true");
+  await testAddonsDisplay(true);
+
+  info("Test with showHiddenAddons set to false");
+  await testAddonsDisplay(false);
+});
+
+async function testAddonsDisplay(showHidden) {
+  const thisFirefoxClient = setupThisFirefoxMock();
+  thisFirefoxClient.listAddons = () => [
+    SYSTEM_ADDON,
+    HIDDEN_ADDON,
+    NORMAL_ADDON,
+  ];
+
+  info("Set showHiddenAddons to " + showHidden);
+  await pushPref("devtools.aboutdebugging.showHiddenAddons", showHidden);
+
+  const { document, tab, window } = await openAboutDebugging();
+  await selectThisFirefoxPage(document, window.AboutDebugging.store);
+
+  const hasSystemAddon = !!findDebugTargetByText("System Addon", document);
+  const hasHiddenAddon = !!findDebugTargetByText("Hidden Addon", document);
+  const hasInstalledAddon = !!findDebugTargetByText("Normal Addon", document);
+  is(
+    hasSystemAddon,
+    showHidden,
+    "System addon display is correct when showHiddenAddons is " + showHidden
+  );
+  is(
+    hasHiddenAddon,
+    showHidden,
+    "Hidden addon display is correct when showHiddenAddons is " + showHidden
+  );
+  ok(hasInstalledAddon, "Installed addon is always displayed");
+
+  await removeTab(tab);
+}