Fix a few tests by either fixing the test cases or adding py__bool__ functions to objects that should have such a method.

jedi/api/classes.py

@@ -114,8 +114,10 @@ class BaseDefinition(object):
         ... def f():
         ...     pass
         ...
-        ... variable = keyword or f or C or x'''
+        ... for variable in [keyword, f, C, x]:
-        >>> script = Script(source, len(source.splitlines()), 3, 'example.py')
+        ...     variable'''
+
+        >>> script = Script(source)
         >>> defs = script.goto_definitions()
 
         Before showing what is in ``defs``, let's sort it by :attr:`line`
@@ -604,7 +606,7 @@ class Definition(use_metaclass(CachedMetaClass, BaseDefinition)):
         ... class C:
         ...     pass
         ...
-        ... variable = f or C'''
+        ... variable = f if random.choice([0,1]) else C'''
         >>> script = Script(source, column=3)  # line is maximum by default
         >>> defs = script.goto_definitions()
         >>> defs = sorted(defs, key=lambda d: d.line)

jedi/evaluate/representation.py

@@ -484,6 +484,9 @@ class Function(use_metaclass(CachedMetaClass, Wrapper)):
         else:
             return FunctionExecution(evaluator, self, params).get_return_types()
 
+    def py__bool__(self):
+        return True
+
     def __getattr__(self, name):
         return getattr(self.base_func, name)
 
@@ -668,3 +671,6 @@ class ModuleWrapper(use_metaclass(CachedMetaClass, pr.Module, Wrapper)):
 
     def __repr__(self):
         return "<%s: %s>" % (type(self).__name__, self._module)
+
+    def py__bool__(self):
+        return True

test/test_regression.py

@@ -92,7 +92,7 @@ class TestRegression(TestCase):
         class C:
             pass
 
-        variable = f or C""")
+        variable = f if random.choice([0, 1]) else C""")
         defs = Script(source, column=3).goto_definitions()
         defs = sorted(defs, key=lambda d: d.line)
         self.assertEqual([d.description for d in defs],