1 files changed, 74 insertions, 0 deletions
diff --git a/toolkit/mozapps/update/tests/unit_base_updater/marAppApplyUpdateSkippedWriteAccess_win.js b/toolkit/mozapps/update/tests/unit_base_updater/marAppApplyUpdateSkippedWriteAccess_win.js
new file mode 100644
index 0000000000..aa1336b7ed
--- /dev/null
+++ b/toolkit/mozapps/update/tests/unit_base_updater/marAppApplyUpdateSkippedWriteAccess_win.js
@@ -0,0 +1,74 @@
+/* Any copyright is dedicated to the Public Domain.
+ * http://creativecommons.org/publicdomain/zero/1.0/
+ */
+
+/**
+ * Test an update isn't attempted when the update.status file can't be written
+ * to.
+ */
+
+async function run_test() {
+  if (!setupTestCommon()) {
+    return;
+  }
+  gTestFiles = gTestFilesCompleteSuccess;
+  gTestDirs = gTestDirsCompleteSuccess;
+  setTestFilesAndDirsForFailure();
+  await setupUpdaterTest(FILE_COMPLETE_MAR, false);
+
+  // To simulate a user that doesn't have write access to the update directory
+  // lock the relevant files in the update directory.
+  let filesToLock = [
+    FILE_ACTIVE_UPDATE_XML,
+    FILE_UPDATE_MAR,
+    FILE_UPDATE_STATUS,
+    FILE_UPDATE_TEST,
+    FILE_UPDATE_VERSION,
+  ];
+  filesToLock.forEach(function (aFileLeafName) {
+    let file = getUpdateDirFile(aFileLeafName);
+    if (!file.exists()) {
+      file.create(Ci.nsIFile.NORMAL_FILE_TYPE, 0o444);
+    }
+    file.QueryInterface(Ci.nsILocalFileWin);
+    file.readOnly = true;
+    Assert.ok(file.exists(), MSG_SHOULD_EXIST + getMsgPath(file.path));
+    Assert.ok(!file.isWritable(), "the file should not be writeable");
+  });
+
+  registerCleanupFunction(() => {
+    filesToLock.forEach(function (aFileLeafName) {
+      let file = getUpdateDirFile(aFileLeafName);
+      if (file.exists()) {
+        file.QueryInterface(Ci.nsILocalFileWin);
+        file.readOnly = false;
+        file.remove(false);
+      }
+    });
+  });
+
+  // Reload the update manager now that the update directory files are locked.
+  reloadUpdateManagerData();
+  await runUpdateUsingApp(STATE_PENDING);
+  standardInit();
+  checkPostUpdateRunningFile(false);
+  checkFilesAfterUpdateFailure(getApplyDirFile);
+  checkUpdateManager(STATE_PENDING, false, STATE_NONE, 0, 0);
+
+  let dir = getUpdateDirFile(DIR_PATCH);
+  Assert.ok(dir.exists(), MSG_SHOULD_EXIST + getMsgPath(dir.path));
+
+  let file = getUpdateDirFile(FILE_UPDATES_XML);
+  Assert.ok(!file.exists(), MSG_SHOULD_NOT_EXIST + getMsgPath(file.path));
+
+  file = getUpdateDirFile(FILE_UPDATE_LOG);
+  Assert.ok(!file.exists(), MSG_SHOULD_NOT_EXIST + getMsgPath(file.path));
+
+  file = getUpdateDirFile(FILE_LAST_UPDATE_LOG);
+  Assert.ok(!file.exists(), MSG_SHOULD_NOT_EXIST + getMsgPath(file.path));
+
+  file = getUpdateDirFile(FILE_BACKUP_UPDATE_LOG);
+  Assert.ok(!file.exists(), MSG_SHOULD_NOT_EXIST + getMsgPath(file.path));
+
+  waitForFilesInUse();
+}