def test_remove_value(self):
original = {'a': 1, 'b': 2}
modified = {'a': 1}
doc = Document()
doc.content = original
self.assertEqual(doc.content, original)
self.assertEqual([], list(doc.delta))
self.assertEqual(original, doc.patched_content)
doc.content = modified
self.assertEqual(doc.content, modified)
self.assertEqual([], list(doc.delta))
self.assertEqual(modified, doc.patched_content)
def test_add_value(self):
original = {'a': 1, 'b': 2}
modified = {'a': 1, 'b': 2, 'c': 3}
modified_again = {'a': 1, 'b': 2, 'c': 3, 'd': 4}
doc = Document()
doc.content = original
doc.save()
doc.content = modified
self.assertEqual(doc.content, modified)
self.assertEqual([('add', '', [('c', 3)])], list(doc.delta))
self.assertEqual(modified, doc.patched_content)
doc.save()
doc.content = modified_again
self.assertEqual(doc.content, modified_again)
self.assertEqual([('add', '', [('d', 4)])], list(doc.delta))
self.assertEqual(modified_again, doc.patched_content)
def test_update_value(self):
original = {'a': 1, 'b': 2}
modified = {'a': 1, 'b': 4}
modified_again = {'a': 2, 'b': 4}
doc = Document()
doc.content = original
doc.save()
doc.content = modified
self.assertEqual(doc.content, modified)
self.assertEqual([('change', 'b', (2, 4))], list(doc.delta))
self.assertEqual(modified, doc.patched_content)
doc.save()
doc.content = modified_again
self.assertEqual(doc.content, modified_again)
self.assertEqual([('change', 'a', (1, 2))], list(doc.delta))
self.assertEqual(modified_again, doc.patched_content)
def test_constructor(self):
original = {'a': 1, 'b': 2}
modified = {'a': 1, 'b': 2, 'c': 3}
doc = Document(content=original)
doc.save()
doc.content = modified
doc.content = modified
self.assertEqual(doc.content, modified)
self.assertEqual([('add', '', [('c', 3)])], list(doc.delta))
self.assertEqual(modified, doc.patched_content)