tests cover branches

.coveragerc

@@ -0,0 +1,2 @@
+[run]
+branch = true

.travis.yml

@@ -7,7 +7,7 @@ install:
 - pip install -e .
 - pip install -r requirements.txt
 - pip install coveralls
-script: pytest tests --cov=sanic_envconfig
+script: pytest tests --cov-config .coveragerc
 notifications:
   email: false
 after_success: coveralls

sanic_envconfig/__init__.py

@@ -1,6 +1,6 @@
 import os
 import sys
-import shlex
+# import shlex
 
 from typing import get_type_hints
 

tests/test_envconfig.py

@@ -82,3 +82,9 @@ def test_args_quoted(config, mock_args):
     something_in_quotes = 'something in quotes'
     mock_args(f'--attribute-str "{something_in_quotes}"')
     assert config.ATTRIBUTE_STR == something_in_quotes
+
+
+def test_normal_property_set(config, mock_env, sentinel):
+    mock_env({'normal': 'oh no'})
+    config.normal = sentinel
+    assert config.normal is sentinel