diff --git a/selfdrive/loggerd/tests/loggerd_tests_common.py b/selfdrive/loggerd/tests/loggerd_tests_common.py
index f36ef2175e..72bd5e3b35 100644
--- a/selfdrive/loggerd/tests/loggerd_tests_common.py
+++ b/selfdrive/loggerd/tests/loggerd_tests_common.py
@@ -28,15 +28,26 @@ def create_random_file(file_path, size_mb, lock=False):
         os.remove(lock_path)
 
 class MockResponse():
-  def __init__(self, text):
+  def __init__(self, text, status_code):
     self.text = text
+    self.status_code = status_code
 
 class MockApi():
   def __init__(self, dongle_id):
     pass
 
   def get(self, *args, **kwargs):
-    return MockResponse('{"url": "http://localhost/does/not/exist", "headers": {}}')
+    return MockResponse('{"url": "http://localhost/does/not/exist", "headers": {}}', 200)
+
+  def get_token(self):
+    return "fake-token"
+
+class MockApiIgnore():
+  def __init__(self, dongle_id):
+    pass
+
+  def get(self, *args, **kwargs):
+    return MockResponse('', 412)
 
   def get_token(self):
     return "fake-token"
@@ -54,6 +65,9 @@ class MockParams():
 class UploaderTestCase(unittest.TestCase):
   f_type = "UNKNOWN"
 
+  def set_ignore(self):
+    uploader.Api = MockApiIgnore
+
   def setUp(self):
     self.root = tempfile.mkdtemp()
     uploader.ROOT = self.root  # Monkey patch root dir
diff --git a/selfdrive/loggerd/tests/test_uploader.py b/selfdrive/loggerd/tests/test_uploader.py
index ed1b6460d8..96f449b03b 100644
--- a/selfdrive/loggerd/tests/test_uploader.py
+++ b/selfdrive/loggerd/tests/test_uploader.py
@@ -18,12 +18,15 @@ class TestLogHandler(logging.Handler):
 
   def reset(self):
     self.upload_order = list()
+    self.upload_ignored = list()
 
   def emit(self, record):
     try:
       j = json.loads(record.message)
       if j["event"] == "upload_success":
         self.upload_order.append(j["key"])
+      if j["event"] == "upload_ignored":
+        self.upload_ignored.append(j["key"])
     except Exception:
       pass
 
@@ -73,6 +76,7 @@ class TestUploader(UploaderTestCase):
     time.sleep(5)
     self.join_thread()
 
+    self.assertTrue(len(log_handler.upload_ignored) == 0, "Some files were ignored")
     self.assertFalse(len(log_handler.upload_order) < len(f_paths), "Some files failed to upload")
     self.assertFalse(len(log_handler.upload_order) > len(f_paths), "Some files were uploaded twice")
     for f_path in f_paths:
@@ -80,6 +84,23 @@ class TestUploader(UploaderTestCase):
     exp_order = self.gen_order([self.seg_num], [])
     self.assertTrue(log_handler.upload_order == exp_order, "Files uploaded in wrong order")
 
+  def test_upload_ignored(self):
+    self.set_ignore()
+    f_paths = self.gen_files(lock=False)
+
+    self.start_thread()
+    # allow enough time that files could upload twice if there is a bug in the logic
+    time.sleep(5)
+    self.join_thread()
+
+    self.assertTrue(len(log_handler.upload_order) == 0, "Some files were not ignored")
+    self.assertFalse(len(log_handler.upload_ignored) < len(f_paths), "Some files failed to ignore")
+    self.assertFalse(len(log_handler.upload_ignored) > len(f_paths), "Some files were ignored twice")
+    for f_path in f_paths:
+      self.assertTrue(getxattr(f_path, uploader.UPLOAD_ATTR_NAME), "All files not ignored")
+    exp_order = self.gen_order([self.seg_num], [])
+    self.assertTrue(log_handler.upload_ignored == exp_order, "Files ignored in wrong order")
+
   def test_upload_files_in_create_order(self):
     f_paths = list()
     seg1_nums = [0,1,2,10,20]
@@ -96,6 +117,7 @@ class TestUploader(UploaderTestCase):
     time.sleep(5)
     self.join_thread()
 
+    self.assertTrue(len(log_handler.upload_ignored) == 0, "Some files were ignored")
     self.assertFalse(len(log_handler.upload_order) < len(f_paths), "Some files failed to upload")
     self.assertFalse(len(log_handler.upload_order) > len(f_paths), "Some files were uploaded twice")
     for f_path in f_paths: