示例#1
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 def test_scale_empty(self):
     scale = DeviceManager.get_instance().scale
     self.assertIsNone(scale)
示例#2
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 def test_singleton(self):
     instance1 = DeviceManager.get_instance()
     instance2 = DeviceManager.get_instance()
     self.assertEqual(instance1, instance2)
示例#3
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 def test_printer_empty(self):
     printer = DeviceManager.get_instance().printer
     self.assertIsNone(printer)
示例#4
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 def test_scale_empty(self):
     scale = DeviceManager.get_instance().scale
     self.assertIsNone(scale)
示例#5
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 def test_printer_empty(self):
     printer = DeviceManager.get_instance().printer
     self.assertIsNone(printer)
示例#6
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 def test_singleton(self):
     instance1 = DeviceManager.get_instance()
     instance2 = DeviceManager.get_instance()
     self.assertEqual(instance1, instance2)
示例#7
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 def device_manager(self):
     return DeviceManager.get_instance()
示例#8
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文件: api.py 项目: hackedbellini/stoq
 def device_manager(self):
     return DeviceManager.get_instance()