1 files changed, 86 insertions, 0 deletions
diff --git a/netwerk/test/browser/browser_purgeCache_idle_daily.js b/netwerk/test/browser/browser_purgeCache_idle_daily.js
new file mode 100644
index 0000000000..21ba46af1d
--- /dev/null
+++ b/netwerk/test/browser/browser_purgeCache_idle_daily.js
@@ -0,0 +1,86 @@
+/* This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0. If a copy of the MPL was not distributed with this
+ * file, You can obtain one at http://mozilla.org/MPL/2.0/. */
+
+"use strict";
+
+add_task(async function test_idle_cleanup() {
+  Services.fog.testResetFOG();
+  Services.prefs.setBoolPref(
+    "network.cache.shutdown_purge_in_background_task",
+    true
+  );
+  Services.prefs.setBoolPref("privacy.clearOnShutdown.cache", true);
+  Services.prefs.setBoolPref("privacy.sanitize.sanitizeOnShutdown", true);
+  let dir = Services.dirsvc.get("ProfD", Ci.nsIFile);
+  dir.append("cache2.2021-11-25-08-47-04.purge.bg_rm");
+  Assert.equal(dir.exists(), false, `Folder ${dir.path} should not exist`);
+  dir.create(Ci.nsIFile.DIRECTORY_TYPE, 0o744);
+  Assert.equal(
+    dir.exists(),
+    true,
+    `Folder ${dir.path} should have been created`
+  );
+
+  Services.obs.notifyObservers(null, "idle-daily");
+
+  await TestUtils.waitForCondition(() => {
+    return !dir.exists();
+  });
+
+  Assert.equal(
+    dir.exists(),
+    false,
+    `Folder ${dir.path} should have been purged by background task`
+  );
+  Assert.equal(
+    await Glean.networking.residualCacheFolderCount.testGetValue(),
+    1
+  );
+  Assert.equal(
+    await Glean.networking.residualCacheFolderRemoval.success.testGetValue(),
+    1
+  );
+  Assert.equal(
+    await Glean.networking.residualCacheFolderRemoval.failure.testGetValue(),
+    null
+  );
+
+  // Check that telemetry properly detects folders failing to be deleted when readonly
+  // Making folders readonly only works on windows
+  if (AppConstants.platform == "win") {
+    dir.create(Ci.nsIFile.DIRECTORY_TYPE, 0o744);
+    dir.QueryInterface(Ci.nsILocalFileWin).readOnly = true;
+
+    Services.obs.notifyObservers(null, "idle-daily");
+
+    await BrowserTestUtils.waitForCondition(async () => {
+      return (
+        (await Glean.networking.residualCacheFolderRemoval.failure.testGetValue()) ==
+        1
+      );
+    });
+
+    Assert.equal(
+      await Glean.networking.residualCacheFolderCount.testGetValue(),
+      2
+    );
+    Assert.equal(
+      await Glean.networking.residualCacheFolderRemoval.success.testGetValue(),
+      1
+    );
+    Assert.equal(
+      await Glean.networking.residualCacheFolderRemoval.failure.testGetValue(),
+      1
+    );
+
+    dir.QueryInterface(Ci.nsILocalFileWin).readOnly = false;
+    dir.remove(true);
+  }
+
+  Services.prefs.clearUserPref(
+    "network.cache.shutdown_purge_in_background_task"
+  );
+  Services.prefs.clearUserPref("privacy.clearOnShutdown.cache");
+  Services.prefs.clearUserPref("privacy.sanitize.sanitizeOnShutdown");
+});