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43 lines
1.2 KiB
Python
43 lines
1.2 KiB
Python
import configparser
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import pytest
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from mock import MagicMock
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from seedsigner.controller import Controller
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def test_singleton_init_fails():
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""" The Controller should not allow any code to instantiate it via Controller() """
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with pytest.raises(Exception):
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c = Controller()
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def test_singleton_get_instance_without_configure_fails():
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""" Calling get_instance() without first calling configure_instance() should fail """
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with pytest.raises(Exception):
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c = Controller.get_instance()
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def test_singleton_get_instance_preserves_state():
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""" Changes to the Controller singleton should be preserved across calls to get_instance() """
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settings = """
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[system]
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DEBUG = True
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DEFAULT_LANGUAGE = en
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[display]
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BACKGROUND_COLOR = #000
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TEXT_COLOR = orange
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"""
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config = configparser.ConfigParser()
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config.read_string(settings)
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# Initialize the instance and verify that it read the config settings
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Controller.configure_instance(config)
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controller = Controller.get_instance()
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assert controller.color == "orange"
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# Change a value in the instance...
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controller.color = "purple"
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# ...get a new copy of the instance and confirm change
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controller = Controller.get_instance()
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assert controller.color == "purple"
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