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import unittest
from Orange.widgets.settings import Context, migrate_str_to_variable
class MigrationsTestCase(unittest.TestCase):
def test_migrate_str_to_variable(self):
values = dict(foo=("foo", 1), baz=("baz", 2), qux=("qux", 102), bar=13)
context = Context(values=values.copy())
migrate_str_to_variable(context)
self.assertDictEqual(
context.values,
dict(foo=("foo", 101), baz=("baz", 102), qux=("qux", 102), bar=13))
context = Context(values=values.copy())
migrate_str_to_variable(context, ("foo", "qux"))
self.assertDictEqual(
context.values,
dict(foo=("foo", 101), baz=("baz", 2), qux=("qux", 102), bar=13))
context = Context(values=values.copy())
migrate_str_to_variable(context, "foo")
self.assertDictEqual(
context.values,
dict(foo=("foo", 101), baz=("baz", 2), qux=("qux", 102), bar=13))
self.assertRaises(KeyError, migrate_str_to_variable, context, "quuux")
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