#!/usr/bin/env python
# -*- coding: utf-8 -*-
#
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## Copyright (C) 2016 The Qt Company Ltd.
## Contact: https://www.qt.io/licensing/
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## This file is part of the test suite of Qt for Python.
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'''Test case for objects that keep references to other object without owning them (e.g. model/view relationships).'''

import unittest
from sample import ObjectModel, ObjectType, ObjectView


object_name = 'test object'

class MyObject(ObjectType):
    pass

class ListModelKeepsReference(ObjectModel):
    def __init__(self, parent=None):
        ObjectModel.__init__(self, parent)
        self.obj = MyObject()
        self.obj.setObjectName(object_name)

    def data(self):
        return self.obj

class ListModelDoesntKeepsReference(ObjectModel):
    def data(self):
        obj = MyObject()
        obj.setObjectName(object_name)
        return obj


class ModelViewTest(unittest.TestCase):

    def testListModelDoesntKeepsReference(self):
        model = ListModelDoesntKeepsReference()
        view = ObjectView(model)
        obj = view.getRawModelData()
        self.assertEqual(type(obj), MyObject)
        self.assertEqual(obj.objectName(), object_name)

    def testListModelKeepsReference(self):
        model = ListModelKeepsReference()
        view = ObjectView(model)
        obj = view.getRawModelData()
        self.assertEqual(type(obj), MyObject)
        self.assertEqual(obj.objectName(), object_name)


if __name__ == '__main__':
    unittest.main()

