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from unittest import TestCase
from unittest.mock import Mock
from Orange.data import DiscreteVariable, Domain
from Orange.data import ContinuousVariable
from Orange.widgets.settings import ContextSetting, ClassValuesContextHandler
from Orange.widgets.utils import vartype
Continuous = vartype(ContinuousVariable("x"))
Discrete = vartype(DiscreteVariable("x"))
class TestClassValuesContextHandler(TestCase):
def setUp(self):
self.domain = Domain(
attributes=[ContinuousVariable('c1'),
DiscreteVariable('d1', values='abc'),
DiscreteVariable('d2', values='def')],
class_vars=[DiscreteVariable('d3', values='ghi')],
metas=[ContinuousVariable('c2'),
DiscreteVariable('d4', values='jkl')]
)
self.args = (self.domain,
{'c1': Continuous, 'd1': Discrete,
'd2': Discrete, 'd3': Discrete},
{'c2': Continuous, 'd4': Discrete, })
self.handler = ClassValuesContextHandler()
self.handler.read_defaults = lambda: None
def test_open_context(self):
self.handler.bind(SimpleWidget)
context = Mock(
classes=['g', 'h', 'i'], values=dict(
text='u',
with_metas=[('d1', Discrete), ('d2', Discrete)]
))
self.handler.global_contexts = \
[Mock(classes=[], values={}), context, Mock(classes=[], values={})]
widget = SimpleWidget()
self.handler.initialize(widget)
self.handler.open_context(widget, self.args[0].class_var)
self.assertEqual(widget.text, 'u')
self.assertEqual(widget.with_metas, [('d1', Discrete),
('d2', Discrete)])
def test_open_context_with_no_match(self):
self.handler.bind(SimpleWidget)
context = Mock(
classes=['g', 'h', 'i'], values=dict(
text='u',
with_metas=[('d1', Discrete), ('d2', Discrete)]
))
self.handler.global_contexts = \
[Mock(classes=[], values={}), context, Mock(classes=(), values={})]
widget = SimpleWidget()
self.handler.initialize(widget)
widget.text = 'u'
self.handler.open_context(widget, self.args[0][1])
context = widget.current_context
self.assertEqual(context.classes, ('a', 'b', 'c'))
self.assertEqual(widget.text, 'u')
self.assertEqual(widget.with_metas, [])
class SimpleWidget:
text = ContextSetting("")
with_metas = ContextSetting([])
required = ContextSetting("", required=ContextSetting.REQUIRED)
def retrieveSpecificSettings(self):
pass
def storeSpecificSettings(self):
pass
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