From 758fb9441482d769eca18bdeda0604f41cb98314 Mon Sep 17 00:00:00 2001
From: Daniel Schadt <kingdread@gmx.de>
Date: Tue, 26 Apr 2016 23:43:55 +0200
Subject: [PATCH] tests: add test for DiskCache with cache_dir=None

---
 tests/unit/browser/test_cache.py | 10 ++++++++++
 1 file changed, 10 insertions(+)

diff --git a/tests/unit/browser/test_cache.py b/tests/unit/browser/test_cache.py
index ae59604a3..cb570972b 100644
--- a/tests/unit/browser/test_cache.py
+++ b/tests/unit/browser/test_cache.py
@@ -113,6 +113,16 @@ def test_cache_size_deactivated(config_stub, tmpdir):
     assert disk_cache.cacheSize() == 0
 
 
+def test_cache_no_cache_dir(config_stub):
+    """Confirm that the cache is deactivated when cache_dir is None."""
+    config_stub.data = {
+        'storage': {'cache-size': 1024},
+        'general': {'private-browsing': False},
+    }
+    disk_cache = cache.DiskCache(None)
+    assert disk_cache.cacheSize() == 0
+
+
 def test_cache_existing_metadata_file(config_stub, tmpdir):
     """Test querying existing meta data file from activated cache."""
     config_stub.data = {