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57 lines
1.8 KiB
Python
57 lines
1.8 KiB
Python
from django.test import TestCase
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from .models import Document
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class FileFieldTests(TestCase):
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def test_clearable(self):
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"""
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FileField.save_form_data() will clear its instance attribute value if
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passed False.
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"""
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d = Document(myfile='something.txt')
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self.assertEqual(d.myfile, 'something.txt')
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field = d._meta.get_field('myfile')
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field.save_form_data(d, False)
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self.assertEqual(d.myfile, '')
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def test_unchanged(self):
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"""
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FileField.save_form_data() considers None to mean "no change" rather
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than "clear".
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"""
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d = Document(myfile='something.txt')
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self.assertEqual(d.myfile, 'something.txt')
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field = d._meta.get_field('myfile')
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field.save_form_data(d, None)
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self.assertEqual(d.myfile, 'something.txt')
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def test_changed(self):
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"""
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FileField.save_form_data(), if passed a truthy value, updates its
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instance attribute.
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"""
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d = Document(myfile='something.txt')
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self.assertEqual(d.myfile, 'something.txt')
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field = d._meta.get_field('myfile')
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field.save_form_data(d, 'else.txt')
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self.assertEqual(d.myfile, 'else.txt')
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def test_delete_when_file_unset(self):
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"""
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Calling delete on an unset FileField should not call the file deletion
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process, but fail silently (#20660).
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"""
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d = Document()
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d.myfile.delete()
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def test_refresh_from_db(self):
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d = Document.objects.create(myfile='something.txt')
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d.refresh_from_db()
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self.assertIs(d.myfile.instance, d)
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def test_defer(self):
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Document.objects.create(myfile='something.txt')
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self.assertEqual(Document.objects.defer('myfile')[0].myfile, 'something.txt')
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