Added details/discs/files models, added scan module and its test

Changes im logging module, but also on others

test/unit/scan_test.py

@@ -0,0 +1,79 @@
+"""
+    Project: pyGTKtalog
+    Description: Tests for scan files.
+    Type: test
+    Author: Roman 'gryf' Dobosz, gryf73@gmail.com
+    Created: 2011-03-26
+"""
+import os
+import unittest
+import logging
+
+from pygtktalog import scan
+
+
+class TestScan(unittest.TestCase):
+    """
+    Testcases for scan functionality
+
+    1. execution scan function:
+    1.1 simple case - should pass
+    1.2 non-existent directory passed
+    1.3 file passed
+    1.4 directory has permission that forbids file listing
+
+    2. rescan directory; looking for changes
+    2.0 don't touch records for changed files (same directories, same
+        filename, same type and size)
+    2.1 search for files of the same type, same size.
+    2.2 change parent node for moved files (don't insert new)
+
+    3. adding new directory tree which contains same files like already stored
+       in the database
+    """
+
+    def test_happy_scenario(self):
+        """
+        make scan, count items
+        """
+        scanob = scan.Scan(os.path.abspath(os.path.join(__file__,
+                                                        "../../../mocks")))
+        scanob = scan.Scan("/mnt/data/_test_/test_dir")
+        result_list = scanob.add_files()
+        self.assertEqual(len(result_list), 143)
+        self.assertEqual(len(result_list[0].children), 8)
+        # check soft links
+        self.assertEqual(len([x for x in result_list if x.type == 3]), 2)
+
+    def test_wrong_and_nonexistent(self):
+        """
+        Check for accessing non existent directory, regular file instead of
+        the directory, or file.directory with no access to it.
+        """
+        scanobj = scan.Scan('/nonexistent_directory_')
+        self.assertRaises(OSError, scanobj.add_files)
+
+        scanobj.path = '/root'
+        self.assertRaises(scan.NoAccessError, scanobj.add_files)
+
+        scanobj.path = '/bin/sh'
+        self.assertRaises(scan.NoAccessError, scanobj.add_files)
+
+
+        # dir contains some non accessable items. Should just pass, and on
+        # logs should be messages about it
+        logging.basicConfig(level=logging.CRITICAL)
+        scanobj.path = "/mnt/data/_test_/test_dir_permissions/"
+        scanobj.add_files()
+
+    def test_abort_functionality(self):
+        scanobj = scan.Scan("/mnt/data/_test_/test_dir")
+        scanobj.abort = True
+        self.assertEqual(None, scanobj.add_files())
+
+
+
+
+if __name__ == "__main__":
+    os.chdir(os.path.join(os.path.abspath(os.path.dirname(__file__)), "../"))
+    unittest.main()