Add function for computing the hash of a directory

1 files changed, 20 insertions, 0 deletions

diff --git a/tests/unit/test_file_utils.py b/tests/unit/test_file_utils.py
new file mode 100644
index 0000000..e6109bb
--- /dev/null
+++ b/tests/unit/test_file_utils.py
@@ -0,0 +1,20 @@
+"""Test cases for procedures defined in file_utils.py"""
+import os
+import unittest
+
+from gn3.file_utils import get_dir_hash
+
+
+class TestFileUtils(unittest.TestCase):
+    """Test cases for procedures defined in file_utils.py"""
+    def test_get_dir_hash(self):
+        """Test that a directory is hashed correctly"""
+        test_dir = os.path.join(os.path.dirname(__file__), "test_data")
+        self.assertEqual("928a0e2e4846b4b3c2881d9c1d6cfce4",
+                         get_dir_hash(test_dir))
+
+    def test_get_dir_hash_non_existent_dir(self):
+        """Test thata an error is raised when the dir does not exist"""
+        self.assertRaises(FileNotFoundError,
+                          get_dir_hash,
+                          "/non-existent-file")