recursiveloader: Detect cross-device Manifest entries

1 files changed, 32 insertions, 0 deletions

diff --git a/tests/test_recursiveloader.py b/tests/test_recursiveloader.py
index c16e7ff..38a4a07 100644
--- a/tests/test_recursiveloader.py
+++ b/tests/test_recursiveloader.py
@@ -706,3 +706,35 @@ OPTIONAL foo
         m = gemato.recursiveloader.ManifestRecursiveLoader(
             os.path.join(self.dir, 'Manifest'))
         m.assert_directory_verifies('', strict=False)
+
+
+class CrossDeviceManifestTest(TempDirTestCase):
+    """
+    Test for a Manifest that crosses filesystem boundaries.
+    """
+
+    FILES = {
+        'Manifest': u'''
+DATA sub/version 0 MD5 d41d8cd98f00b204e9800998ecf8427e
+''',
+    }
+
+    def setUp(self):
+        super(CrossDeviceManifestTest, self).setUp()
+        os.symlink('/proc', os.path.join(self.dir, 'sub'))
+
+    def tearDown(self):
+        os.unlink(os.path.join(self.dir, 'sub'))
+        super(CrossDeviceManifestTest, self).tearDown()
+
+    def test_assert_directory_verifies(self):
+        m = gemato.recursiveloader.ManifestRecursiveLoader(
+            os.path.join(self.dir, 'Manifest'))
+        self.assertRaises(gemato.exceptions.ManifestCrossDevice,
+                m.assert_directory_verifies, '')
+
+    def test_assert_directory_verifies_nonstrict(self):
+        m = gemato.recursiveloader.ManifestRecursiveLoader(
+            os.path.join(self.dir, 'Manifest'))
+        self.assertRaises(gemato.exceptions.ManifestCrossDevice,
+                m.assert_directory_verifies, '', strict=False)