diff --git a/tests/__init__.py b/tests/__init__.py
new file mode 100644
index 0000000..e69de29
diff --git a/tests/test_fix.py b/tests/test_fix.py
new file mode 100644
index 0000000..45ac9e4
--- /dev/null
+++ b/tests/test_fix.py
@@ -0,0 +1,23 @@
+import csv_metadata_quality.fix as fix
+import pytest
+
+def test_fix_leading_whitespace():
+    '''Test fixing leading whitespace.'''
+
+    value = ' Alan'
+
+    assert fix.whitespace(value) == 'Alan'
+
+def test_fix_trailing_whitespace():
+    '''Test fixing trailing whitespace.'''
+
+    value = 'Alan '
+
+    assert fix.whitespace(value) == 'Alan'
+
+def test_fix_excessive_whitespace():
+    '''Test fixing excessive whitespace.'''
+
+    value = 'Alan  Orth'
+
+    assert fix.whitespace(value) == 'Alan Orth'