Add tests for decorator completion

test/test_evaluate/test_compiled.py

@@ -83,3 +83,19 @@ def test_method_completion():
     else:
         result = ['__func__']
     assert [c.name for c in Script(code).completions()] == result
+
+
+def test_decorator_global():
+    code = dedent('''
+    import abc
+    @abc''')
+    result = ['abc']
+    assert [c.name for c in Script(code).completions()] == result
+
+
+def test_decorator_dotted():
+    code = dedent('''
+    import abc
+    @abc.abstractmethod''')
+    result = ['abstractmethod']
+    assert [c.name for c in Script(code).completions()] == result