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Add evaluation of ConditionExpression to DynamoDB2 delete_item

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This commit is contained in:
gruebel 2019-10-06 16:49:02 +02:00
commit c9d69681ec
3 changed files with 47 additions and 5 deletions
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17
moto/dynamodb2/models.py
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@ -1092,12 +1092,23 @@ class DynamoDBBackend(BaseBackend):
item.update_with_attribute_updates(attribute_updates)
return item
def delete_item(self, table_name, keys):
def delete_item(self, table_name, key, expression_attribute_names=None, expression_attribute_values=None,
condition_expression=None):
table = self.get_table(table_name)
if not table:
return None
hash_key, range_key = self.get_keys_value(table, keys)
return table.delete_item(hash_key, range_key)
hash_value, range_value = self.get_keys_value(table, key)
item = table.get_item(hash_value, range_value)
condition_op = get_filter_expression(
condition_expression,
expression_attribute_names,
expression_attribute_values)
if not condition_op.expr(item):
raise ValueError('The conditional request failed')
return table.delete_item(hash_value, range_value)
def update_ttl(self, table_name, ttl_spec):
table = self.tables.get(table_name)