1 files changed, 57 insertions, 0 deletions
diff --git a/test/apps/test_main.py b/test/apps/test_main.py
new file mode 100644
index 0000000..4fa094b
--- /dev/null
+++ b/test/apps/test_main.py
@@ -0,0 +1,57 @@
+
+# standard imports
+import contextlib
+import io
+import json
+import os
+import tempfile
+import unittest
+import yaml
+
+# objects to test
+from bsie.apps import main
+
+
+## code ##
+
+class TestMain(unittest.TestCase):
+    def setUp(self):
+        config = {
+            'ReaderBuilder': {},
+            'ExtractorBuilder': [
+                {'bsie.extractor.generic.stat.Stat': {}},
+                {'bsie.extractor.generic.path.Path': {}},
+                ]
+            }
+        # create config file
+        _, self.config_path = tempfile.mkstemp(prefix='bsie-test-', suffix='.yaml')
+        with open(self.config_path, 'wt') as cfile:
+            yaml.dump(config, cfile)
+
+    def tearDown(self):
+        if os.path.exists(self.config_path):
+            os.unlink(self.config_path)
+
+    def test_main(self):
+        # must at least pass an app
+        with contextlib.redirect_stderr(io.StringIO()):
+            self.assertRaises(SystemExit, main, [])
+        # app takes over
+        with contextlib.redirect_stderr(io.StringIO()):
+            self.assertRaises(SystemExit, main, ['info'])
+        outbuf = io.StringIO()
+        with contextlib.redirect_stdout(outbuf):
+            main(['info', '--config', self.config_path, 'predicates'])
+        self.assertEqual(set(outbuf.getvalue().strip().split('\n')), {
+            'https://schema.bsfs.io/ie/Node/Entity#filename',
+            'https://schema.bsfs.io/ie/Node/Entity#filesize',
+            'https://schema.bsfs.io/core/Predicate',
+            })
+
+
+## main ##
+
+if __name__ == '__main__':
+    unittest.main()
+
+## EOF ##