new title tests

Author: rsalmei

tests/core/test_progress_util.py

@@ -6,28 +6,34 @@
 from alive_progress.utils.cells import join_cells
 
 
-@pytest.mark.parametrize('length, text, expected', [
-    (0, None, ''),
-    (0, '', ''),
-    (0, 'c', 'c'),
-    (0, 'cool bar title', 'cool bar title'),
-    (1, None, ' '),
-    (1, '', ' '),
-    (1, 'c', 'c'),
-    (1, 'cool bar title', '…'),
-    (1, '😺', '…'),
-    (2, '😺', '😺'),
-    (5, 'cool bar title', 'cool…'),
-    (14, 'cool bar title', 'cool bar title'),
-    (20, 'cool bar title', 'cool bar title      '),
-    (15, 'cool bar title😺', 'cool bar title…'),
-    (16, 'cool bar title😺', 'cool bar title😺'),
-    (16, 'cool bar title😺a', 'cool bar title …'),
-    (16, 'cool bar title😺😺', 'cool bar title …'),
+@pytest.mark.parametrize('config, length, title, expected', [
+    (None, 0, None, ''),
+    (None, 0, '', ''),
+    (None, 0, 'c', 'c'),
+    (None, 0, 'cool bar title', 'cool bar title'),
+    (None, 1, None, ' '),
+    (None, 1, '', ' '),
+    (None, 1, 'c', 'c'),
+    (None, 1, 'cool bar title', '…'),
+    (None, 1, '😺', '…'),
+    (None, 2, '😺', '😺'),
+    (None, 5, 'cool bar title', 'cool…'),
+    (None, 14, 'cool bar title', 'cool bar title'),
+    (None, 20, 'cool bar title', 'cool bar title      '),
+    (None, 15, 'cool bar title😺', 'cool bar title…'),
+    (None, 16, 'cool bar title😺', 'cool bar title😺'),
+    (None, 16, 'cool bar title😺a', 'cool bar title …'),
+    (None, 16, 'cool bar title😺😺', 'cool bar title …'),
+    # a title in the config may override the passed title.
+    ('on config', 0, None, 'on config'),
+    ('on config', 0, '', ''),
+    ('on config', 0, 'cool bar title', 'cool bar title'),
+    ('on config', 1, None, '…'),
+    ('on config', 1, '', ' '),
 ])
-def test_render_title(length, text, expected):
-    local_config = mock.Mock(title=text, title_length=length)
-    assert join_cells(_render_title(local_config)) == expected
+def test_render_title(config, length, title, expected):
+    local_config = mock.Mock(title=config, title_length=length)
+    assert join_cells(_render_title(local_config, title)) == expected
 
 
 def test_gated_properties():