def testQgsProjectRepr(self):
p = QgsProject()
self.assertEqual(p.__repr__(), "<QgsProject: ''>")
p.setFileName('/home/test/my_project.qgs')
self.assertEqual(p.__repr__(), "<QgsProject: '/home/test/my_project.qgs'>")
self.assertEqual(QgsProject.instance().__repr__(), "<QgsProject: '' (singleton instance)>")
QgsProject.instance().setFileName('/home/test/my_project.qgs')
self.assertEqual(QgsProject.instance().__repr__(), "<QgsProject: '/home/test/my_project.qgs' (singleton instance)>")
