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def test_upgrade_standalone_branch(self):
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control = self.make_standalone_branch()
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tried, worked, issues = smart_upgrade(control, format=self.to_format)
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tried, worked, issues = smart_upgrade([control], format=self.to_format)
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self.assertEqual(1, len(tried))
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self.assertEqual(1, len(worked))
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self.assertEqual(0, len(issues))