feat: add basic support for progress indicators

tests/test_util.py

@@ -7,6 +7,7 @@ from unittest.mock import patch, MagicMock
 import pytest
 
 from wuttjamaican import util as mod
+from wuttjamaican.progress import ProgressBase
 
 
 class A: pass
@@ -260,3 +261,19 @@ class TestMakeTitle(TestCase):
     def test_basic(self):
         text = mod.make_title('foo_bar')
         self.assertEqual(text, "Foo Bar")
+
+
+class TestProgressLoop(TestCase):
+
+    def test_basic(self):
+
+        def act(obj, i):
+            pass
+
+        # with progress
+        mod.progress_loop(act, [1, 2, 3], ProgressBase,
+                          message="whatever")
+
+        # without progress
+        mod.progress_loop(act, [1, 2, 3], None,
+                          message="whatever")