Added unit test for fix for pythonnet#261 added .NET DLL with missing dependency

Daniel Fernandez · vmuriart · commit c623e3b4817f · 2017-02-22T00:39:23.000-07:00
diff --git a/src/tests/test_suite/_missing_import_dependency.py b/src/tests/test_suite/_missing_import_dependency.py
@@ -0,0 +1,5 @@
+import os
+import clr
+path_to_dll = os.path.join(os.path.dirname(__file__), "TestDependencyAssembly.dll")
+clr.AddReference(path_to_dll)
+from TestDependencyAssembly import TestDependency
diff --git a/src/tests/test_suite/test_import.py b/src/tests/test_suite/test_import.py
@@ -0,0 +1,22 @@
+import unittest
+
+class ImportTests(unittest.TestCase):
+    """Test the import statement."""
+
+    def testRealtiveMissingImport(self):
+        """Test that a relative missing import doesn't crash. Some modules use this to check if a package is installed (realtive import in the site-packages folder"""
+        try:
+            from . import _missing_import
+        except ImportError:
+            pass
+            
+    def testMissingImportDepencency(self):
+        missing_dependency_name = "MissingDependencyAssembly"
+        with self.assertRaisesRegexp(ImportError, missing_dependency_name):
+             from . import _missing_import_dependency
+            
+
+
+def test_suite():
+    return unittest.makeSuite(ImportTests)
+
