Add tests.

Author: taus-semmle

python/ql/test/query-tests/Variables/undefined/UndefinedExport.expected

@@ -0,0 +1,2 @@
+| decorated_exports.py:3:33:3:45 | Str | The name 'not_defined' is exported by __all__ but is not defined. |
+| exports.py:1:57:1:64 | Str | The name 'nosuch' is exported by __all__ but is not defined. |

python/ql/test/query-tests/Variables/undefined/UndefinedExport.qlref

@@ -0,0 +1 @@
+Variables/UndefinedExport.ql

python/ql/test/query-tests/Variables/undefined/decorated_exports.py

@@ -0,0 +1,16 @@
+import dotted
+
+__all__ = ["foo", "bar", "baz", "not_defined"]
+
+
+@dotted.decorator
+def foo():
+    pass
+
+@undotted_decorator
+def bar():
+    pass
+
+@not_imported.but_dotted
+def baz():
+    pass

python/ql/test/query-tests/Variables/undefined/exports.py

@@ -0,0 +1,19 @@
+__all__ = ["foo", "bar", "baz", "quux", "blat", "frob", "nosuch", "i_got_it_elsewhere"]
+
+with open("foo.txt") as f:
+    foo = f.read()
+
+b = open("bar.txt")
+bar = b.read()
+
+baz = open("baz.txt")
+
+from unknown_module import unknown_value
+
+quux = 5 + unknown_value
+
+blat = str(5)
+
+frob = "5"
+
+from unknown_module import i_got_it_elsewhere

python/ql/test/query-tests/Variables/undefined/unknown_import_star.py

@@ -0,0 +1,3 @@
+__all__ = ["foo"]
+
+from unknown_module import *