tests: PEP8 cleanup

tests/test_status.py

@@ -1,37 +1,51 @@
+""" Validate task-status options """
+from click.testing import CliRunner
 from task_status.task_status import main as task_main
 from task_status.task_status import __version__ as task_version
-from click.testing import CliRunner
 
 runner = CliRunner()
 
 
 def test_main():
-    if task_main:
+    """Validate the basic command runs with a successful response"""
     response = runner.invoke(task_main)
     assert response.exit_code == 0
 
 
 def test_version():
+    """Verify that --version outputs the version and it matches
+    what the code says it should be"""
     response = runner.invoke(task_main, ["--version"])
     assert response.exit_code == 0
     assert task_version in response.output
 
 
 def test_uuid():
+    """Validate the --uuid option returns successfully"""
     response = runner.invoke(task_main, ["--uuid"])
     assert response.exit_code == 0
 
 
 def test_sort():
+    """Validate --sort returns successfully"""
     response = runner.invoke(task_main, ["--sort"])
     assert response.exit_code == 0
 
 
 def test_header():
+    """Validate --header returns successfully"""
     response = runner.invoke(task_main, ["--header"])
     assert response.exit_code == 0
 
 
 def test_help():
+    """Validate --help returns successfully"""
     response = runner.invoke(task_main, ["--help"])
     assert response.exit_code == 0
+
+
+def test_invalid_option():
+    """Validate pasing a bad option returns an error"""
+    # check that task fails successfully!"
+    response = runner.invoke(task_main, ["--invalid"])
+    assert response.exit_code == 2