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29 lines
943 B
Python
29 lines
943 B
Python
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from django.core.exceptions import ValidationError
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from django.test import TestCase
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from django.utils import six
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from .models import DataModel
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class BinaryFieldTests(TestCase):
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binary_data = b'\x00\x46\xFE'
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def test_set_and_retrieve(self):
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data_set = (self.binary_data, six.memoryview(self.binary_data))
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for bdata in data_set:
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dm = DataModel(data=bdata)
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dm.save()
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dm = DataModel.objects.get(pk=dm.pk)
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self.assertEqual(bytes(dm.data), bytes(bdata))
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# Resave (=update)
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dm.save()
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dm = DataModel.objects.get(pk=dm.pk)
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self.assertEqual(bytes(dm.data), bytes(bdata))
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# Test default value
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self.assertEqual(bytes(dm.short_data), b'\x08')
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def test_max_length(self):
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dm = DataModel(short_data=self.binary_data * 4)
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with self.assertRaises(ValidationError):
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dm.full_clean()
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