Added remove_settable() since cmd2 has add_settable()

Documented Settable.onchange_cb

2 files changed, 7 insertions, 1 deletions

diff --git a/tests/test_cmd2.py b/tests/test_cmd2.py
index 0615ed46..fecab628 100755
--- a/tests/test_cmd2.py
+++ b/tests/test_cmd2.py
@@ -630,7 +630,7 @@ now: True
 def test_debug_not_settable(base_app):
     # Set debug to False and make it unsettable
     base_app.debug = False
-    del base_app.settables['debug']
+    base_app.remove_settable('debug')
 
     # Cause an exception
     out, err = run_cmd(base_app, 'bad "quote')
@@ -638,6 +638,10 @@ def test_debug_not_settable(base_app):
     # Since debug is unsettable, the user will not be given the option to enable a full traceback
     assert err == ['Invalid syntax: No closing quotation']
 
+def test_remove_settable_keyerror(base_app):
+    with pytest.raises(KeyError):
+        base_app.remove_settable('fake')
+
 def test_edit_file(base_app, request, monkeypatch):
     # Set a fake editor just to make sure we have one.  We aren't really going to call it due to the mock
     base_app.editor = 'fooedit'
diff --git a/tests/test_utils.py b/tests/test_utils.py
index 804e58be..5030ce0e 100644
--- a/tests/test_utils.py
+++ b/tests/test_utils.py
@@ -537,11 +537,13 @@ def test_str_to_bool_true():
     assert cu.str_to_bool('true')
     assert cu.str_to_bool('True')
     assert cu.str_to_bool('TRUE')
+    assert cu.str_to_bool('tRuE')
 
 def test_str_to_bool_false():
     assert not cu.str_to_bool('false')
     assert not cu.str_to_bool('False')
     assert not cu.str_to_bool('FALSE')
+    assert not cu.str_to_bool('fAlSe')
 
 def test_str_to_bool_invalid():
     with pytest.raises(ValueError):