Merge branch 'mb/feature' into develop

1 files changed, 48 insertions, 0 deletions

diff --git a/test/utils/test_loading.py b/test/utils/test_loading.py
new file mode 100644
index 0000000..58ff166
--- /dev/null
+++ b/test/utils/test_loading.py
@@ -0,0 +1,48 @@
+"""
+
+Part of the bsie test suite.
+A copy of the license is provided with the project.
+Author: Matthias Baumgartner, 2022
+"""
+# standard imports
+import unittest
+
+# bsie imports
+from bsie.utils import errors
+
+# objects to test
+from bsie.utils.loading import safe_load, unpack_qualified_name
+
+
+## code ##
+
+class TestUtils(unittest.TestCase):
+    def test_safe_load(self):
+        # invalid module
+        self.assertRaises(errors.LoaderError, safe_load, 'dBGHMSAYOoKeKMpywDoKZQycENFPvN', 'foobar')
+        self.assertRaises(errors.LoaderError, safe_load, 'dBGHMSAYOoKeKMpywDoKZQycENFPvN.bar', 'foobar')
+        # partially valid module
+        self.assertRaises(errors.LoaderError, safe_load, 'os.foo', 'foobar')
+        # invalid class
+        self.assertRaises(errors.LoaderError, safe_load, 'os.path', 'foo')
+        # valid module and class
+        cls = safe_load('collections.abc', 'Container')
+        import collections.abc
+        self.assertEqual(cls, collections.abc.Container)
+
+    def test_unpack_qualified_name(self):
+        self.assertRaises(TypeError, unpack_qualified_name, 123)
+        self.assertRaises(TypeError, unpack_qualified_name, None)
+        self.assertRaises(ValueError, unpack_qualified_name, '')
+        self.assertRaises(ValueError, unpack_qualified_name, 'path')
+        self.assertRaises(ValueError, unpack_qualified_name, '.Path')
+        self.assertEqual(unpack_qualified_name('path.Path'), ('path', 'Path'))
+        self.assertEqual(unpack_qualified_name('path.foo.bar.Path'), ('path.foo.bar', 'Path'))
+
+
+## main ##
+
+if __name__ == '__main__':
+    unittest.main()
+
+## EOF ##