1 files changed, 54 insertions, 0 deletions
diff --git a/test/unittests/test_upgradeuitl.py b/test/unittests/test_upgradeuitl.py
new file mode 100644
index 0000000..56c7284
--- /dev/null
+++ b/test/unittests/test_upgradeuitl.py
@@ -0,0 +1,54 @@
+import os
+import sys
+import unittest
+from unittest import mock
+
+from crmsh import upgradeutil
+
+
+class TestUpgradeCondition(unittest.TestCase):
+    @mock.patch('crmsh.upgradeutil._get_file_content')
+    @mock.patch('os.stat')
+    def test_is_upgrade_needed_by_force_upgrade(self, mock_stat: mock.MagicMock, mock_get_file_content):
+        mock_stat.return_value = mock.Mock(os.stat_result)
+        mock_get_file_content.return_value = b''
+        self.assertTrue(upgradeutil._is_upgrade_needed(['node-1', 'node-2']))
+
+    @mock.patch('crmsh.upgradeutil._get_file_content')
+    @mock.patch('os.stat')
+    def test_is_upgrade_needed_by_non_existent_seq(
+            self,
+            mock_stat: mock.MagicMock,
+            mock_get_file_content: mock.MagicMock,
+    ):
+        mock_stat.side_effect = FileNotFoundError()
+        mock_get_file_content.return_value = b''
+        self.assertTrue(upgradeutil._is_upgrade_needed(['node-1', 'node-2']))
+
+    @mock.patch('crmsh.upgradeutil.CURRENT_UPGRADE_SEQ')
+    @mock.patch('crmsh.upgradeutil._get_file_content')
+    @mock.patch('os.stat')
+    def test_is_upgrade_needed_by_seq_less_than_expected(
+            self,
+            mock_stat,
+            mock_get_file_content,
+            mock_current_upgrade_seq: mock.MagicMock,
+    ):
+        mock_stat.side_effect = FileNotFoundError()
+        mock_get_file_content.return_value = b'0.1\n'
+        mock_current_upgrade_seq.__gt__.return_value = True
+        self.assertTrue(upgradeutil._is_upgrade_needed(['node-1', 'node-2']))
+
+    @mock.patch('crmsh.upgradeutil.CURRENT_UPGRADE_SEQ')
+    @mock.patch('crmsh.upgradeutil._get_file_content')
+    @mock.patch('os.stat')
+    def test_is_upgrade_needed_by_seq_not_less_than_expected(
+            self,
+            mock_stat,
+            mock_get_file_content,
+            mock_current_upgrade_seq: mock.MagicMock,
+    ):
+        mock_stat.side_effect = FileNotFoundError()
+        mock_get_file_content.return_value = b'1.0\n'
+        mock_current_upgrade_seq.__gt__.return_value = False
+        self.assertFalse(upgradeutil._is_upgrade_needed(['node-1', 'node-2']))