Add test

tests/test_scan_and_result.py

@@ -841,6 +841,36 @@ def test_sort_host_finished(self):
         rounded_progress = int(daemon.calculate_progress(scan_id))
         self.assertEqual(rounded_progress, 66)
 
+    def test_calculate_progress_without_current_hosts(self):
+        daemon = DummyWrapper([])
+
+        fs = FakeStream()
+        daemon.handle_command(
+            '<start_scan parallel="2">'
+            '<scanner_params />'
+            '<targets><target>'
+            '<hosts>localhost1, localhost2, localhost3, localhost4</hosts>'
+            '<ports>22</ports>'
+            '</target></targets>'
+            '</start_scan>',
+            fs,
+        )
+        response = fs.get_response()
+
+        scan_id = response.findtext('id')
+        daemon.set_scan_host_progress(scan_id)
+        daemon.set_scan_host_progress(scan_id, 'localhost3', -1)
+        daemon.set_scan_host_progress(scan_id, 'localhost4', 100)
+
+        daemon.sort_host_finished(scan_id, ['localhost3', 'localhost4'])
+
+        float_progress = daemon.calculate_progress(scan_id)
+        self.assertEqual(int(float_progress), 33)
+
+        daemon.scan_collection.set_progress(scan_id, float_progress)
+        progress = daemon.get_scan_progress(scan_id)
+        self.assertEqual(progress, 33)
+
     def test_get_scan_progress_xml(self):
         daemon = DummyWrapper([])