added edge case tests

cat_win/tests/src/service/helper/test_iohelper.py

@@ -59,6 +59,9 @@ def test_get_newline(self):
         self.assertEqual(IoHelper.get_newline(test_file_path_empty, 'x'), 'x')
         self.assertEqual(IoHelper.get_newline(test_file_path_oneline, 'x'), 'x')
 
+    def test_get_newline_error(self):
+        self.assertEqual(IoHelper.get_newline('randomFileThatHopefullyDoesNotExistWithWeirdCharsForSafety*!?\\/:<>|', 'DEFAULT'), 'DEFAULT')
+
     def test_get_stdin_content_oneline(self):
         stdin_mock.set_content('hello\nworld')
         self.assertEqual(''.join(IoHelper.get_stdin_content(True)), 'hello')

cat_win/tests/src/service/helper/test_progressbar.py

@@ -32,6 +32,20 @@ def test_pbar_atty(self):
             self.assertIn('XX', fake_out.getvalue())
             self.assertNotIn('\b \b', fake_out.getvalue())
 
+    @patch('os.isatty', OSAttyDefGen.get_def({1: True}))
+    @patch('cat_win.src.service.helper.progressbar.CURSOR_VISIBLE', '')
+    @patch('cat_win.src.service.helper.progressbar.CURSOR_INVISIBLE', '')
+    @patch('cat_win.src.service.helper.progressbar.PBar.COLOR_DONE', '')
+    @patch('cat_win.src.service.helper.progressbar.PBar.COLOR_MISSING', '')
+    @patch('cat_win.src.service.helper.progressbar.PBar.COLOR_RESET', '')
+    def test_pbar_atty_out_of_bound(self):
+        with patch('sys.stdout', new=StdOutMock()) as fake_out:
+            with PBar(2, prefix='', suffix='',
+                  length=2, fill_l='X', fill_r='_').init() as p_bar:
+                for i in range(-1, 4):
+                    p_bar(i)
+            self.assertEqual(fake_out.getvalue(), '\r XX 100.0% \r __   0.0% \r X_  50.0% \r XX 100.0% \r XX 100.0% \n')
+
     @patch('os.isatty', OSAttyDefGen.get_def({1: True}))
     def test_pbar_atty_erase(self):
         with patch('sys.stdout', new=StdOutMock()) as fake_out: