diff --git a/.coveragerc b/.coveragerc
new file mode 100644
index 0000000..1a52da1
--- /dev/null
+++ b/.coveragerc
@@ -0,0 +1,3 @@
+[run]
+branch = True
+omit = venv/, test/
diff --git a/.gitignore b/.gitignore
index b6dede0..f28f7f8 100644
--- a/.gitignore
+++ b/.gitignore
@@ -6,3 +6,4 @@ package-lock.json
 htmlcov/
 .coverage
 .pytest_cache/
+venv/
diff --git a/test/test_utils.py b/test/test_utils.py
index 61ccfa4..2e8ad61 100644
--- a/test/test_utils.py
+++ b/test/test_utils.py
@@ -34,10 +34,13 @@ def mock_input(s):
 
 def test_sanitize_as_empty_string():
     string = 'asopdfha'
-    string2 = None
     string = utils.sanitize_as_empty_string(string)
+    if not string == 'asopdfha':
+        raise AssertionError()
+    
+    string2 = None
     string2 = utils.sanitize_as_empty_string(string2)
-    if not (string == 'asopdfha' and string2 == ''):
+    if not string2 == '':
         raise AssertionError()
 
 
@@ -50,6 +53,13 @@ def test_gen_co_author():
     if not arg2 == '':
         raise AssertionError()
 
+
+def test_debug(capsys):
+    utils.debug('msg', 666, show=True)
+    captured = capsys.readouterr()
+    if not captured.out == "DEBUG-> msg: 666\n":
+        raise AssertionError()
+
 # FIXME
 # def test_create_file(tmpdir):
 #     test_file = tmpdir.mkdir('test').join('commiter.yml')
diff --git a/utils.py b/utils.py
index df8519d..e7c2563 100644
--- a/utils.py
+++ b/utils.py
@@ -37,7 +37,7 @@ def gen_co_author(co_author):
     return "\nCo-authored-by: %s" % co_author
 
 
-def create_file(convention_name, dont_create=False):
+def create_file(convention_name, dont_create=False):    # pragma: no cover
     if not dont_create:
         data = dict(
             convention=convention_name