1 files changed, 66 insertions, 0 deletions
diff --git a/toolkit/profile/xpcshell/test_select_backgroundtasks_not_ephemeral_exists.js b/toolkit/profile/xpcshell/test_select_backgroundtasks_not_ephemeral_exists.js
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+++ b/toolkit/profile/xpcshell/test_select_backgroundtasks_not_ephemeral_exists.js
@@ -0,0 +1,66 @@
+/* Any copyright is dedicated to the Public Domain.
+   http://creativecommons.org/publicdomain/zero/1.0/ */
+
+/*
+ * Verify that background tasks that use non-ephemeral profiles re-use existing
+ * salted profile locations from `profiles.ini`.
+ */
+
+let condition = {
+  skip_if: () => !AppConstants.MOZ_BACKGROUNDTASKS,
+};
+
+// MOZ_APP_VENDOR is empty on Thunderbird.
+let vendor = AppConstants.MOZ_APP_NAME == "thunderbird" ? "" : "Mozilla";
+
+add_task(condition, async () => {
+  let hash = xreDirProvider.getInstallHash();
+
+  let saltedPath = `saltSALT.${vendor}BackgroundTask-${hash}-not_ephemeral_profile`;
+
+  // See note about ordering below.
+  BACKGROUNDTASKS_PROFILE_DATA.backgroundTasksProfiles.splice(0, 0, {
+    name: `${vendor}BackgroundTask-${hash}-not_ephemeral_profile`,
+    path: saltedPath,
+  });
+
+  writeProfilesIni(BACKGROUNDTASKS_PROFILE_DATA);
+
+  // Pretend that this is a background task.  For a task that does *not* use an
+  // ephemeral profile, i.e., that uses a persistent profile, when
+  // `profiles.ini` section `BackgroundTasksProfiles` contains the relevant
+  // entry, that profile path is re-used.
+  const bts = Cc["@mozilla.org/backgroundtasks;1"].getService(
+    Ci.nsIBackgroundTasks
+  );
+  // "not_ephemeral_profile" is a special name recognized by the
+  // background task system.
+  bts.overrideBackgroundTaskNameForTesting("not_ephemeral_profile");
+
+  let { didCreate, rootDir } = selectStartupProfile();
+  checkStartupReason("backgroundtask-not-ephemeral");
+
+  Assert.equal(didCreate, false, "Re-used existing non-ephemeral profile");
+
+  let profileData = readProfilesIni();
+
+  // Profile names are lexicographically ordered, and `not_ephemeral_profile`
+  // sorts before `unrelated_task`.
+  Assert.equal(profileData.backgroundTasksProfiles.length, 2);
+  Assert.deepEqual(profileData, BACKGROUNDTASKS_PROFILE_DATA);
+
+  Assert.ok(
+    rootDir.path.endsWith(saltedPath),
+    `rootDir "${rootDir.path}" ends with salted path "${saltedPath}"`
+  );
+
+  // Really, "UAppData", but this is xpcshell.
+  let backgroundTasksProfilesPath = gDataHome;
+  if (!AppConstants.XP_UNIX || AppConstants.platform === "macosx") {
+    backgroundTasksProfilesPath.append("Background Tasks Profiles");
+  }
+  Assert.ok(
+    rootDir.path.startsWith(backgroundTasksProfilesPath.path),
+    `rootDir "${rootDir.path}" is sibling to user profiles directory ${backgroundTasksProfilesPath}`
+  );
+});