1 files changed, 60 insertions, 2 deletions
diff --git a/tests/test_command.py b/tests/test_command.py
index eed6e1f..d0b6437 100644
--- a/tests/test_command.py
+++ b/tests/test_command.py
@@ -6,19 +6,41 @@ import unittest
 import hazwaz
 
 
+class MySubCommand(hazwaz.Command):
+    """
+    A subcommand.
+
+    This does very little.
+    """
+
+    def add_arguments(self, parser):
+        super().add_arguments(parser)
+        parser.add_argument(
+            "--bar",
+            action="store_true",
+            help="barfoo things"
+        )
+
+    def main(self):
+        print("Hello World")
+
+
 class MyCommand(hazwaz.MainCommand):
     """
     A command that does things.
 
     This is a command, but honestly it doesn't really do anything.
     """
-    commands = ()
+    commands = (
+        MySubCommand(),
+    )
 
     def add_arguments(self, parser):
         super().add_arguments(parser)
         parser.add_argument(
             "--foo",
-            help="foobar things"
+            action="store_true",
+            help="foobar things",
         )
 
 
@@ -68,12 +90,48 @@ class testCommand(unittest.TestCase):
         self.assertIn("--verbose", cmd_help)
         self.assertIn("--foo", cmd_help)
 
+    def test_subparser(self):
+        cmd = MyCommand()
+        sub_parser = cmd.subparsers.choices["mysubcommand"]
+        self.assertEqual(sub_parser.description, "A subcommand.")
+        self.assertEqual(
+            sub_parser.epilog,
+            "This does very little.",
+        )
+
     def test_run(self):
         cmd = MyCommand()
         cmd_help = cmd.parser.format_help()
         stream = self._run_with_argv(cmd, ["mycommand"])
         self.assertEqual(stream["stdout"].getvalue(), cmd_help)
 
+    def test_run_with_option(self):
+        cmd = MyCommand()
+        cmd_help = cmd.parser.format_help()
+        stream = self._run_with_argv(cmd, [
+            "mycommand",
+            "--verbose",
+        ])
+        self.assertEqual(stream["stdout"].getvalue(), cmd_help)
+        stream = self._run_with_argv(cmd, [
+            "mycommand",
+            "--debug",
+        ])
+        self.assertEqual(stream["stdout"].getvalue(), cmd_help)
+
+    def test_run_subcommand(self):
+        cmd = MyCommand()
+        stream = self._run_with_argv(cmd, ["mycommand", "mysubcommand"])
+        self.assertEqual(stream["stdout"].getvalue(), "Hello World\n")
+
+    def test_run_subcommand_with_option(self):
+        cmd = MyCommand()
+        stream = self._run_with_argv(cmd, [
+            "mycommand",
+            "mysubcommand",
+            "--bar",
+        ])
+        self.assertEqual(stream["stdout"].getvalue(), "Hello World\n")
 
 
 if __name__ == '__main__':