database: add some tests for git transactions.

Signed-off-by: brian m. carlson <sandals@crustytoothpaste.net>

test/testdatabase.py

@@ -2,6 +2,8 @@
 
 from newfol.database import DatabaseVersion, Database, Schema
 from newfol.filemanip import Record
+import os.path
+import tempfile
 import unittest
 
 class TestDatabaseVersion(unittest.TestCase):
@@ -41,5 +43,16 @@ class TestDatabaseAccessors(unittest.TestCase):
         self.assertEqual(obj.serialization(),
                 DatabaseVersion.preferred().serialization())
 
+class TestGitTransactions(unittest.TestCase):
+    def setUp(self):
+        self.ddir = tempfile.TemporaryDirectory()
+        fp = open(self.ddir.name + "/schema", "w")
+        fp.write("fmt:0:newfol schema file:\ntxn:git\n")
+        fp.close()
+        self.db = Database.load(self.ddir.name)
+    def test_has_git_dir(self):
+        self.db.store()
+        self.assertTrue(os.path.isdir(self.ddir.name + "/.git"))
+
 if __name__ == '__main__':
     unittest.main()