Adds basic test for convert command.

tests/commands/test_clibasics.py

@@ -0,0 +1,25 @@
+import pkg_resources
+
+from bonobo.util.testing import all_runners
+
+
+def test_entrypoint():
+    commands = {}
+
+    for command in pkg_resources.iter_entry_points('bonobo.commands'):
+        commands[command.name] = command
+
+    assert not {
+        'convert',
+        'init',
+        'inspect',
+        'run',
+        'version',
+    }.difference(set(commands))
+
+
+@all_runners
+def test_no_command(runner):
+    _, err, exc = runner(catch_errors=True)
+    assert type(exc) == SystemExit
+    assert 'error: the following arguments are required: command' in err