adds unit tests, bugfix for test_checksum.py

ckanext/odsh/tests_tpsh/test_checksum.py

 from mock import patch, mock_open
 import nose.tools as nt
-from ckanext.odsh.lib.uploader import _raise_validation_error_if_hash_values_differ, _calculate_hash
+from ckanext.odsh.lib.uploader import _raise_validation_error_if_hash_values_differ, calculate_hash
 import ckantoolkit as ct
 import ckan.logic as logic
 import hashlib
@@ -51,7 +51,7 @@ class testHashException(object):
           # md5sum test.pdf
           expected_hash_pdf = '66123edf64fabf1c073fc45478bf4a57'
           with open(dir_path + '/resources/test.pdf') as f:
-               hash = _calculate_hash(f)
+               hash = calculate_hash(f)
           nt.assert_equal(hash, expected_hash_pdf)
 
                

ckanext/odsh/tests_tpsh/test_password_validation.py

+# encoding: utf-8
+
+import nose.tools as nt
+from ckanext.odsh.logic.action import check_password
+
+class Test_PasswordValidation(object):
+
+    @staticmethod
+    def assert_password_invalid(password):
+        assert not check_password(password)
+    
+    @staticmethod
+    def assert_password_valid(password):
+        assert check_password(password)
+    
+    def test_valid_password(self):
+        self.assert_password_valid('Passwort1 :) :P :D')
+    
+    def test_umlaute(self):
+        self.assert_password_valid('Pässword')
+    
+    def test_no_uppercase(self):
+        self.assert_password_invalid('passwort1')
+    
+    def test_no_lowercase(self):
+        self.assert_password_invalid('PASSWORT1')
+    
+    def test_no_letters(self):
+        self.assert_password_invalid('37459073245!!?===))/=$§äüöÄÜÖ')
+    
+    def test_only_letters(self):
+        self.assert_password_invalid('ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz')
+    
+    def test_to_short(self):
+        self.assert_password_invalid('Pw123')
\ No newline at end of file