Add unit test for manpage

2 files changed, 29 insertions, 0 deletions

diff --git a/tests/klaus_cli.py b/tests/klaus_cli.py
new file mode 120000
index 0000000..35d44e9
--- /dev/null
+++ b/tests/klaus_cli.py
@@ -0,0 +1 @@
+../bin/klaus
\ No newline at end of file
diff --git a/tests/test_manpage.py b/tests/test_manpage.py
new file mode 100644
index 0000000..21acfd1
--- /dev/null
+++ b/tests/test_manpage.py
@@ -0,0 +1,28 @@
+import klaus_cli
+import mock
+import subprocess
+import re
+
+
+def test_covers_all_cli_options():
+    manpage = subprocess.check_output(["man", "./klaus.1"])
+
+    def assert_in_manpage(s):
+        clean = lambda x: re.sub('(.\\x08)|\s', '', x)
+        assert clean(s) in clean(manpage), "%r not found in manpage" % s
+
+    mock_parser = mock.Mock()
+    with mock.patch('argparse.ArgumentParser') as mock_cls:
+        mock_cls.return_value = mock_parser
+        klaus_cli.make_parser()
+
+    for args, kwargs in mock_parser.add_argument.call_args_list:
+        if kwargs.get('metavar') == 'DIR':
+            continue
+        for string in args:
+            assert_in_manpage(string)
+        if 'help' in kwargs:
+            assert_in_manpage(kwargs['help'])
+        if 'choices' in kwargs:
+            for choice in kwargs['choices']:
+                assert_in_manpage(choice)