test for the gendocs script

Author: dwhswenson

paths_cli/compiling/gendocs.py

@@ -7,6 +7,7 @@
 @click.argument("config_file")
 @click.option("--stdout", type=bool, is_flag=True, default=False)
 def main(config_file, stdout):
+    """Generate documentation for installed compiling plugins."""
     register_installed_plugins()
     config = load_config(config_file)
     generator = DocsGenerator(config)

paths_cli/tests/compiling/test_gendocs.py

@@ -0,0 +1,14 @@
+from click.testing import CliRunner
+from paths_cli.compiling.gendocs import *
+
+from unittest import mock
+
+@mock.patch('paths_cli.compiling.gendocs.load_config',
+            mock.Mock(return_value={}))
+def test_main():
+    # this is a smoke test, just to ensure that it doesn't crash;
+    # functionality testing is in the _gendocs directory
+    runner = CliRunner()
+    with runner.isolated_filesystem():
+        _ = runner.invoke(main, 'fake_config.yml', '--stdout')
+