Python: Add tests for py/import-deprecated-module

Author: RasmusWL

python/ql/test/query-tests/Imports/deprecated/DeprecatedModule.expected

@@ -1,2 +1,6 @@
-| test.py:5:1:5:13 | Import | The rfc822 module was deprecated in version 2.3. Use email module instead. |
-| test.py:6:1:6:16 | Import | The posixfile module was deprecated in version 1.5. Use email module instead. |
+| test.py:2:1:2:13 | Import | The rfc822 module was deprecated in version 2.3. Use email module instead. |
+| test.py:3:1:3:16 | Import | The posixfile module was deprecated in version 1.5. Use email module instead. |
+| test.py:6:1:6:18 | ClassDef | The md5 module was deprecated in version 2.5. Use hashlib module instead. |
+| test.py:7:5:7:18 | FunctionDef | The md5 module was deprecated in version 2.5. Use hashlib module instead. |
+| test.py:8:9:8:18 | Import | The md5 module was deprecated in version 2.5. Use hashlib module instead. |
+| test.py:14:5:14:23 | Import | The md5 module was deprecated in version 2.5. Use hashlib module instead. |

python/ql/test/query-tests/Imports/deprecated/DeprecatedModule.qlref

@@ -1 +1 @@
-Imports/DeprecatedModule.ql
+Imports/DeprecatedModule.ql

python/ql/test/query-tests/Imports/deprecated/test.py

@@ -1,6 +1,14 @@
-
-
-
-#Some deprecated modules
+# Some deprecated modules
 import rfc822
 import posixfile
+
+# TODO: We should only report a bad import once
+class Foo(object):
+    def foo(self):
+        import md5
+
+# TODO: Backwards compatible code, should not report
+try:
+    from hashlib import md5
+except ImportError:
+    from md5 import md5