def test_array_delete(self):
doc0 = Document()
doc0.snapshot = []
doc1 = self.doc1
doc2 = self.doc2
# can technically delete nothing from empty list. why not
op1 = Op('ad', [], offset=0, val=0)
doc0.apply_op(op1)
self.assertEqual(doc0.snapshot, [])
# remove one from list
op2 = Op('ad', [], offset=1, val=1)
doc2.apply_op(op2)
self.assertEqual(doc2.get_value([1]), 'normal, ol string')
# from nested lists
op3 = Op('ad', [2], offset=1, val=1)
doc2.apply_op(op3)
self.assertEqual(doc2.get_value([2]), [['multi'],['array']])
# delete multiple elements
op4 = Op('ad', [], offset=0, val=4)
doc2.apply_op(op4)
self.assertEqual(doc2.snapshot, [None, 42])
# delete last in list:
op5 = Op('ad', [], offset=1, val=1)
doc2.apply_op(op5)
self.assertEqual(doc2.snapshot, [None])
# in dicts
op6 = Op('ad', ['fifth'], offset=2, val=2)
doc1.apply_op(op6)
self.assertEqual(doc1.get_value(['fifth']), [55,66])
def test_boolean_negation(self):
doc0 = Document()
doc0.snapshot = False
doc1 = self.doc1
doc2 = self.doc2
# whole document is a boolean. Just change that
op1 = Op('bn', [])
doc0.apply_op(op1)
self.assertEqual(doc0.snapshot, True)
doc0.apply_op(op1)
self.assertEqual(doc0.snapshot, False)
# boolean at some key/index
op2 = Op('bn', [4])
doc2.apply_op(op2)
self.assertEqual(doc2.get_value([4]), False)
doc2.apply_op(op2)
self.assertEqual(doc2.get_value([4]), True)
# boolean along some path
path3 = ['fifth',2,'sixth']
doc1.apply_op(Op('set', path3, val=True))
op3 = Op('bn', path3)
doc1.apply_op(op3)
self.assertEqual(doc1.get_value(path3), False)
doc1.apply_op(op3)
self.assertEqual(doc1.get_value(path3), True)
def test_array_insert(self):
doc0 = Document()
doc0.snapshot = []
doc1 = self.doc1
doc2 = self.doc2
# whole doc is just an empty array. alter it
op1 = Op('ai', [], val='c', offset=0)
doc0.apply_op(op1)
self.assertEqual(doc0.snapshot, ['c'])
# insert at start
op2 = Op('ai', [], val='a', offset=0)
doc0.apply_op(op2)
self.assertEqual(doc0.snapshot, ['a', 'c'])
# insert at end
op3 = Op('ai', [], val='d', offset=2)
doc0.apply_op(op3)
self.assertEqual(doc0.snapshot, ['a','c','d'])
# insert in middle
op4 = Op('ai', [], val='b', offset=1)
doc0.apply_op(op4)
self.assertEqual(doc0.snapshot, ['a','b','c','d'])
# insert into some array deep in doc
op5 = Op('ai', [3,1], val='a', offset=1)
doc2.apply_op(op5)
self.assertEqual(doc2.get_value([3,1]), ['dimen', 'a'])
# again
op6 = Op('ai', ['fifth'], val='a', offset=1)
doc1.apply_op(op6)
result6 = [55,'a',66,{'sixth': 'deep string'}, 'rw']
self.assertEqual(doc1.get_value(['fifth']), result6)
def test_number_add(self):
doc0 = Document()
doc0.snapshot = 0
doc1 = self.doc1
doc2 = self.doc2
# whole document is just a number. Alter it.
op1 = Op('na', [], val=5)
doc0.apply_op(op1)
self.assertEqual(doc0.snapshot, 5)
# number deeper in doc
op2 = Op('na', ['fifth',1], val=-100)
doc1.apply_op(op2)
self.assertEqual(doc1.get_value(['fifth',1]), -34)
# funkier numbers accepted by JSON
# int frac
op3 = Op('na', ['fifth',1], val=34.5)
doc1.apply_op(op3)
self.assertEqual(doc1.get_value(['fifth',1]), 0.5)