def test_sample(self):
data = Data(id=1, resolwe=MagicMock())
data.resolwe.sample.filter = MagicMock(return_value=[])
self.assertEqual(data.sample, None)
data.resolwe.sample.filter = MagicMock(return_value=['sample'])
self.assertEqual(data.sample, 'sample')
# test caching
self.assertEqual(data.sample, 'sample')
self.assertEqual(data.resolwe.sample.filter.call_count, 1)
# cache is cleared at update
data._sample = 'sample'
data.update()
self.assertEqual(data._sample, None)
def test_sample(self):
data = Data(id=1, resolwe=MagicMock())
data.resolwe.sample.filter = MagicMock(return_value=[])
self.assertEqual(data.sample, None)
data.resolwe.sample.filter = MagicMock(return_value=['sample'])
self.assertEqual(data.sample, 'sample')
# test caching
self.assertEqual(data.sample, 'sample')
self.assertEqual(data.resolwe.sample.filter.call_count, 1)
# cache is cleared at update
data._sample = 'sample'
data.update()
self.assertEqual(data._sample, None)
# raising error if data object is not saved
data.id = None
with self.assertRaises(ValueError):
_ = data.sample
