Merge pull request #69 from creyer/dynamov2_no_indexes

Dynamo v2 no indexes
This commit is contained in:
Steve Pulec 2014-01-11 17:25:14 -08:00
commit a82b01c945
13 changed files with 1561 additions and 0 deletions

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@ -58,6 +58,7 @@ It gets even better! Moto isn't just S3. Here's the status of the other AWS serv
| Autoscaling | @mock_autoscaling| core endpoints done |
|------------------------------------------------------------------------------|
| DynamoDB | @mock_dynamodb | core endpoints done |
| DynamoDB2 | @mock_dynamodb2 | core endpoints done - no indexes |
|------------------------------------------------------------------------------|
| EC2 | @mock_ec2 | core endpoints done |
| - AMI | | core endpoints done |

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@ -3,6 +3,7 @@ logging.getLogger('boto').setLevel(logging.CRITICAL)
from .autoscaling import mock_autoscaling
from .dynamodb import mock_dynamodb
from .dynamodb2 import mock_dynamodb2
from .ec2 import mock_ec2
from .elb import mock_elb
from .emr import mock_emr

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@ -1,5 +1,6 @@
from moto.autoscaling import autoscaling_backend
from moto.dynamodb import dynamodb_backend
from moto.dynamodb2 import dynamodb_backend2
from moto.ec2 import ec2_backend
from moto.elb import elb_backend
from moto.emr import emr_backend
@ -13,6 +14,7 @@ from moto.route53 import route53_backend
BACKENDS = {
'autoscaling': autoscaling_backend,
'dynamodb': dynamodb_backend,
'dynamodb2': dynamodb_backend2,
'ec2': ec2_backend,
'elb': elb_backend,
'emr': emr_backend,

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@ -0,0 +1,2 @@
from .models import dynamodb_backend2
mock_dynamodb2 = dynamodb_backend2.decorator

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@ -0,0 +1,20 @@
# TODO add tests for all of these
COMPARISON_FUNCS = {
'EQ': lambda item_value, test_value: item_value == test_value,
'NE': lambda item_value, test_value: item_value != test_value,
'LE': lambda item_value, test_value: item_value <= test_value,
'LT': lambda item_value, test_value: item_value < test_value,
'GE': lambda item_value, test_value: item_value >= test_value,
'GT': lambda item_value, test_value: item_value > test_value,
'NULL': lambda item_value: item_value is None,
'NOT_NULL': lambda item_value: item_value is not None,
'CONTAINS': lambda item_value, test_value: test_value in item_value,
'NOT_CONTAINS': lambda item_value, test_value: test_value not in item_value,
'BEGINS_WITH': lambda item_value, test_value: item_value.startswith(test_value),
'IN': lambda item_value, test_value: item_value in test_value,
'BETWEEN': lambda item_value, lower_test_value, upper_test_value: lower_test_value <= item_value <= upper_test_value,
}
def get_comparison_func(range_comparison):
return COMPARISON_FUNCS.get(range_comparison)

313
moto/dynamodb2/models.py Normal file
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@ -0,0 +1,313 @@
from collections import defaultdict
import datetime
import json
try:
from collections import OrderedDict
except ImportError:
# python 2.6 or earlier, use backport
from ordereddict import OrderedDict
from moto.core import BaseBackend
from .comparisons import get_comparison_func
from .utils import unix_time
class DynamoJsonEncoder(json.JSONEncoder):
def default(self, obj):
if hasattr(obj, 'to_json'):
return obj.to_json()
def dynamo_json_dump(dynamo_object):
return json.dumps(dynamo_object, cls=DynamoJsonEncoder)
class DynamoType(object):
"""
http://docs.aws.amazon.com/amazondynamodb/latest/developerguide/DataModel.html#DataModelDataTypes
"""
def __init__(self, type_as_dict):
self.type = type_as_dict.keys()[0]
self.value = type_as_dict.values()[0]
def __hash__(self):
return hash((self.type, self.value))
def __eq__(self, other):
return (
self.type == other.type and
self.value == other.value
)
def __repr__(self):
return "DynamoType: {0}".format(self.to_json())
def to_json(self):
return {self.type: self.value}
def compare(self, range_comparison, range_objs):
"""
Compares this type against comparison filters
"""
range_values = [obj.value for obj in range_objs]
comparison_func = get_comparison_func(range_comparison)
return comparison_func(self.value, *range_values)
class Item(object):
def __init__(self, hash_key, hash_key_type, range_key, range_key_type, attrs):
self.hash_key = hash_key
self.hash_key_type = hash_key_type
self.range_key = range_key
self.range_key_type = range_key_type
self.attrs = {}
for key, value in attrs.iteritems():
self.attrs[key] = DynamoType(value)
def __repr__(self):
return "Item: {0}".format(self.to_json())
def to_json(self):
attributes = {}
for attribute_key, attribute in self.attrs.iteritems():
attributes[attribute_key] = attribute.value
return {
"Attributes": attributes
}
def describe_attrs(self, attributes):
if attributes:
included = {}
for key, value in self.attrs.iteritems():
if key in attributes:
included[key] = value
else:
included = self.attrs
return {
"Item": included
}
class Table(object):
def __init__(self, table_name, schema=None, attr = None, throughput=None, indexes=None):
self.name = table_name
self.attr = attr
self.schema = schema
self.range_key_attr = None
self.hash_key_attr = None
self.range_key_type = None
self.hash_key_type = None
for elem in schema:
if elem["KeyType"] == "HASH":
self.hash_key_attr = elem["AttributeName"]
self.hash_key_type = elem["KeyType"]
else:
self.range_key_attr = elem["AttributeName"]
self.range_key_type = elem["KeyType"]
if throughput is None:
self.throughput = {u'WriteCapacityUnits': 10, u'ReadCapacityUnits': 10}
else:
self.throughput = throughput
self.throughput["NumberOfDecreasesToday"] = 0
self.indexes = indexes
self.created_at = datetime.datetime.now()
self.items = defaultdict(dict)
@property
def describe(self):
results = {
'Table': {
'AttributeDefinitions': self.attr,
'ProvisionedThroughput': self.throughput,
'TableSizeBytes': 0,
'TableName': self.name,
'TableStatus': 'ACTIVE',
'KeySchema': self.schema,
'ItemCount': len(self),
'CreationDateTime': unix_time(self.created_at)
}
}
return results
def __len__(self):
count = 0
for key, value in self.items.iteritems():
if self.has_range_key:
count += len(value)
else:
count += 1
return count
def put_item(self, item_attrs):
hash_value = DynamoType(item_attrs.get(self.hash_key_attr))
if self.has_range_key:
range_value = DynamoType(item_attrs.get(self.range_key_attr))
else:
range_value = None
item = Item(hash_value, self.hash_key_type, range_value, self.range_key_type, item_attrs)
if range_value:
self.items[hash_value][range_value] = item
else:
self.items[hash_value] = item
return item
def __nonzero__(self):
return True
@property
def has_range_key(self):
return self.range_key_attr is not None
def get_item(self, hash_key, range_key):
if self.has_range_key and not range_key:
raise ValueError("Table has a range key, but no range key was passed into get_item")
try:
if range_key:
return self.items[hash_key][range_key]
else:
return self.items[hash_key]
except KeyError:
return None
def delete_item(self, hash_key, range_key):
try:
if range_key:
return self.items[hash_key].pop(range_key)
else:
return self.items.pop(hash_key)
except KeyError:
return None
def query(self, hash_key, range_comparison, range_objs):
results = []
last_page = True # Once pagination is implemented, change this
possible_results = [ item for item in list(self.all_items()) if item.hash_key == hash_key]
if range_comparison:
for result in possible_results:
if result.range_key.compare(range_comparison, range_objs):
results.append(result)
else:
# If we're not filtering on range key, return all values
results = possible_results
return results, last_page
def all_items(self):
for hash_set in self.items.values():
if self.range_key_attr:
for item in hash_set.values():
yield item
else:
yield hash_set
def scan(self, filters):
results = []
scanned_count = 0
last_page = True # Once pagination is implemented, change this
for result in self.all_items():
scanned_count += 1
passes_all_conditions = True
for attribute_name, (comparison_operator, comparison_objs) in filters.iteritems():
attribute = result.attrs.get(attribute_name)
if attribute:
# Attribute found
if not attribute.compare(comparison_operator, comparison_objs):
passes_all_conditions = False
break
elif comparison_operator == 'NULL':
# Comparison is NULL and we don't have the attribute
continue
else:
# No attribute found and comparison is no NULL. This item fails
passes_all_conditions = False
break
if passes_all_conditions:
results.append(result)
return results, scanned_count, last_page
class DynamoDBBackend(BaseBackend):
def __init__(self):
self.tables = OrderedDict()
def create_table(self, name, **params):
table = Table(name, **params)
self.tables[name] = table
return table
def delete_table(self, name):
return self.tables.pop(name, None)
def update_table_throughput(self, name, throughput):
table = self.tables[name]
table.throughput = throughput
return table
def put_item(self, table_name, item_attrs):
table = self.tables.get(table_name)
if not table:
return None
return table.put_item(item_attrs)
def get_table_keys_name(self, table_name):
table = self.tables.get(table_name)
if not table:
return None, None
else:
return table.hash_key_attr, table.range_key_attr
def get_keys_value(self, table, keys):
if not table.hash_key_attr in keys or (table.has_range_key and not table.range_key_attr in keys):
raise ValueError("Table has a range key, but no range key was passed into get_item")
hash_key = DynamoType(keys[table.hash_key_attr])
range_key = DynamoType(keys[table.range_key_attr]) if table.has_range_key else None
return hash_key,range_key
def get_item(self, table_name, keys):
table = self.tables.get(table_name)
if not table:
return None
hash_key,range_key = self.get_keys_value(table,keys)
return table.get_item(hash_key, range_key)
def query(self, table_name, hash_key_dict, range_comparison, range_value_dicts):
table = self.tables.get(table_name)
if not table:
return None, None
hash_key = DynamoType(hash_key_dict)
range_values = [DynamoType(range_value) for range_value in range_value_dicts]
return table.query(hash_key, range_comparison, range_values)
def scan(self, table_name, filters):
table = self.tables.get(table_name)
if not table:
return None, None, None
scan_filters = {}
for key, (comparison_operator, comparison_values) in filters.iteritems():
dynamo_types = [DynamoType(value) for value in comparison_values]
scan_filters[key] = (comparison_operator, dynamo_types)
return table.scan(scan_filters)
def delete_item(self, table_name, keys):
table = self.tables.get(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)
dynamodb_backend2 = DynamoDBBackend()

302
moto/dynamodb2/responses.py Normal file
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@ -0,0 +1,302 @@
import json
from moto.core.responses import BaseResponse
from moto.core.utils import camelcase_to_underscores
from .models import dynamodb_backend2, dynamo_json_dump
GET_SESSION_TOKEN_RESULT = """
<GetSessionTokenResponse xmlns="https://sts.amazonaws.com/doc/2011-06-15/">
<GetSessionTokenResult>
<Credentials>
<SessionToken>
AQoEXAMPLEH4aoAH0gNCAPyJxz4BlCFFxWNE1OPTgk5TthT+FvwqnKwRcOIfrRh3c/L
To6UDdyJwOOvEVPvLXCrrrUtdnniCEXAMPLE/IvU1dYUg2RVAJBanLiHb4IgRmpRV3z
rkuWJOgQs8IZZaIv2BXIa2R4OlgkBN9bkUDNCJiBeb/AXlzBBko7b15fjrBs2+cTQtp
Z3CYWFXG8C5zqx37wnOE49mRl/+OtkIKGO7fAE
</SessionToken>
<SecretAccessKey>
wJalrXUtnFEMI/K7MDENG/bPxRfiCYzEXAMPLEKEY
</SecretAccessKey>
<Expiration>2011-07-11T19:55:29.611Z</Expiration>
<AccessKeyId>AKIAIOSFODNN7EXAMPLE</AccessKeyId>
</Credentials>
</GetSessionTokenResult>
<ResponseMetadata>
<RequestId>58c5dbae-abef-11e0-8cfe-09039844ac7d</RequestId>
</ResponseMetadata>
</GetSessionTokenResponse>"""
def sts_handler():
return GET_SESSION_TOKEN_RESULT
class DynamoHandler(BaseResponse):
def get_endpoint_name(self, headers):
"""Parses request headers and extracts part od the X-Amz-Target
that corresponds to a method of DynamoHandler
ie: X-Amz-Target: DynamoDB_20111205.ListTables -> ListTables
"""
# Headers are case-insensitive. Probably a better way to do this.
match = headers.get('x-amz-target') or headers.get('X-Amz-Target')
if match:
return match.split(".")[1]
def error(self, type_, status=400):
return status, self.response_headers, dynamo_json_dump({'__type': type_})
def call_action(self):
if 'GetSessionToken' in self.body:
return 200, self.response_headers, sts_handler()
self.body = json.loads(self.body or '{}')
endpoint = self.get_endpoint_name(self.headers)
if endpoint:
endpoint = camelcase_to_underscores(endpoint)
response = getattr(self, endpoint)()
if isinstance(response, basestring):
return 200, self.response_headers, response
else:
status_code, new_headers, response_content = response
self.response_headers.update(new_headers)
return status_code, self.response_headers, response_content
else:
return 404, self.response_headers, ""
def list_tables(self):
body = self.body
limit = body.get('Limit')
if body.get("ExclusiveStartTableName"):
last = body.get("ExclusiveStartTableName")
start = dynamodb_backend2.tables.keys().index(last) + 1
else:
start = 0
all_tables = dynamodb_backend2.tables.keys()
if limit:
tables = all_tables[start:start + limit]
else:
tables = all_tables[start:]
response = {"TableNames": tables}
if limit and len(all_tables) > start + limit:
response["LastEvaluatedTableName"] = tables[-1]
return dynamo_json_dump(response)
def create_table(self):
body = self.body
#get the table name
table_name = body['TableName']
#get the throughput
throughput = body["ProvisionedThroughput"]
#getting the schema
key_schema = body['KeySchema']
#getting attribute definition
attr = body["AttributeDefinitions"]
#getting the indexes
table = dynamodb_backend2.create_table(table_name,
schema = key_schema,
throughput = throughput,
attr = attr)
return dynamo_json_dump(table.describe)
def delete_table(self):
name = self.body['TableName']
table = dynamodb_backend2.delete_table(name)
if table is not None:
return dynamo_json_dump(table.describe)
else:
er = 'com.amazonaws.dynamodb.v20111205#ResourceNotFoundException'
return self.error(er)
def update_table(self):
name = self.body['TableName']
throughput = self.body["ProvisionedThroughput"]
table = dynamodb_backend2.update_table_throughput(name, throughput)
return dynamo_json_dump(table.describe)
def describe_table(self):
name = self.body['TableName']
try:
table = dynamodb_backend2.tables[name]
except KeyError:
er = 'com.amazonaws.dynamodb.v20111205#ResourceNotFoundException'
return self.error(er)
return dynamo_json_dump(table.describe)
def put_item(self):
name = self.body['TableName']
item = self.body['Item']
result = dynamodb_backend2.put_item(name, item)
if result:
item_dict = result.to_json()
item_dict['ConsumedCapacityUnits'] = 1
return dynamo_json_dump(item_dict)
else:
er = 'com.amazonaws.dynamodb.v20111205#ResourceNotFoundException'
return self.error(er)
def batch_write_item(self):
table_batches = self.body['RequestItems']
for table_name, table_requests in table_batches.iteritems():
for table_request in table_requests:
request_type = table_request.keys()[0]
request = table_request.values()[0]
if request_type == 'PutRequest':
item = request['Item']
dynamodb_backend2.put_item(table_name, item)
elif request_type == 'DeleteRequest':
keys = request['Key']
item = dynamodb_backend2.delete_item(table_name, keys)
response = {
"Responses": {
"Thread": {
"ConsumedCapacityUnits": 1.0
},
"Reply": {
"ConsumedCapacityUnits": 1.0
}
},
"UnprocessedItems": {}
}
return dynamo_json_dump(response)
def get_item(self):
name = self.body['TableName']
key = self.body['Key']
try:
item = dynamodb_backend2.get_item(name, key)
except ValueError:
er = 'com.amazon.coral.validate#ValidationException'
return self.error(er, status=400)
if item:
item_dict = item.describe_attrs(attributes = None)
item_dict['ConsumedCapacityUnits'] = 0.5
return dynamo_json_dump(item_dict)
else:
# Item not found
er = 'com.amazonaws.dynamodb.v20111205#ResourceNotFoundException'
return self.error(er, status=404)
def batch_get_item(self):
table_batches = self.body['RequestItems']
results = {
"ConsumedCapacity":[],
"Responses": {
},
"UnprocessedKeys": {
}
}
for table_name, table_request in table_batches.iteritems():
items = []
keys = table_request['Keys']
attributes_to_get = table_request.get('AttributesToGet')
results["Responses"][table_name]=[]
for key in keys:
item = dynamodb_backend2.get_item(table_name, key)
if item:
item_describe = item.describe_attrs(attributes_to_get)
results["Responses"][table_name].append(item_describe["Item"])
results["ConsumedCapacity"].append({
"CapacityUnits": len(keys),
"TableName": table_name
})
return dynamo_json_dump(results)
def query(self):
name = self.body['TableName']
keys = self.body['KeyConditions']
hash_key_name, range_key_name = dynamodb_backend2.get_table_keys_name(name)
if hash_key_name is None:
er = "'com.amazonaws.dynamodb.v20120810#ResourceNotFoundException"
return self.error(er)
hash_key = keys[hash_key_name]['AttributeValueList'][0]
if len(keys) == 1:
range_comparison = None
range_values = []
else:
if range_key_name == None:
er = "com.amazon.coral.validate#ValidationException"
return self.error(er)
else:
range_condition = keys[range_key_name]
if range_condition:
range_comparison = range_condition['ComparisonOperator']
range_values = range_condition['AttributeValueList']
else:
range_comparison = None
range_values = []
items, last_page = dynamodb_backend2.query(name, hash_key, range_comparison, range_values)
if items is None:
er = 'com.amazonaws.dynamodb.v20111205#ResourceNotFoundException'
return self.error(er)
result = {
"Count": len(items),
"Items": [item.attrs for item in items],
"ConsumedCapacityUnits": 1,
}
# Implement this when we do pagination
# if not last_page:
# result["LastEvaluatedKey"] = {
# "HashKeyElement": items[-1].hash_key,
# "RangeKeyElement": items[-1].range_key,
# }
return dynamo_json_dump(result)
def scan(self):
name = self.body['TableName']
filters = {}
scan_filters = self.body.get('ScanFilter', {})
for attribute_name, scan_filter in scan_filters.iteritems():
# Keys are attribute names. Values are tuples of (comparison, comparison_value)
comparison_operator = scan_filter["ComparisonOperator"]
comparison_values = scan_filter.get("AttributeValueList", [])
filters[attribute_name] = (comparison_operator, comparison_values)
items, scanned_count, last_page = dynamodb_backend2.scan(name, filters)
if items is None:
er = 'com.amazonaws.dynamodb.v20111205#ResourceNotFoundException'
return self.error(er)
result = {
"Count": len(items),
"Items": [item.attrs for item in items],
"ConsumedCapacityUnits": 1,
"ScannedCount": scanned_count
}
# Implement this when we do pagination
# if not last_page:
# result["LastEvaluatedKey"] = {
# "HashKeyElement": items[-1].hash_key,
# "RangeKeyElement": items[-1].range_key,
# }
return dynamo_json_dump(result)
def delete_item(self):
name = self.body['TableName']
keys = self.body['Key']
return_values = self.body.get('ReturnValues', '')
item = dynamodb_backend2.delete_item(name, keys)
if item:
if return_values == 'ALL_OLD':
item_dict = item.to_json()
else:
item_dict = {'Attributes': []}
item_dict['ConsumedCapacityUnits'] = 0.5
return dynamo_json_dump(item_dict)
else:
er = 'com.amazonaws.dynamodb.v20120810#ConditionalCheckFailedException'
return self.error(er)

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moto/dynamodb2/urls.py Normal file
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@ -0,0 +1,10 @@
from .responses import DynamoHandler
url_bases = [
"https?://dynamodb.(.+).amazonaws.com",
"https?://sts.amazonaws.com",
]
url_paths = {
"{0}/": DynamoHandler().dispatch,
}

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moto/dynamodb2/utils.py Normal file
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@ -0,0 +1,5 @@
import calendar
def unix_time(dt):
return calendar.timegm(dt.timetuple())

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import boto
import sure # noqa
import requests
from moto import mock_dynamodb2
from moto.dynamodb2 import dynamodb_backend2
from boto.exception import JSONResponseError
from tests.helpers import requires_boto_gte
try:
import boto.dynamodb2
except ImportError:
print "This boto version is not supported"
@requires_boto_gte("2.9")
@mock_dynamodb2
def test_list_tables():
name = 'TestTable'
#{'schema': }
dynamodb_backend2.create_table(name,schema=[
{u'KeyType': u'HASH', u'AttributeName': u'forum_name'},
{u'KeyType': u'RANGE', u'AttributeName': u'subject'}
])
conn = boto.dynamodb2.connect_to_region(
'us-west-2',
aws_access_key_id="ak",
aws_secret_access_key="sk")
assert conn.list_tables()["TableNames"] == [name]
@requires_boto_gte("2.9")
@mock_dynamodb2
def test_list_tables_layer_1():
dynamodb_backend2.create_table("test_1",schema=[
{u'KeyType': u'HASH', u'AttributeName': u'name'}
])
dynamodb_backend2.create_table("test_2",schema=[
{u'KeyType': u'HASH', u'AttributeName': u'name'}
])
conn = boto.dynamodb2.connect_to_region(
'us-west-2',
aws_access_key_id="ak",
aws_secret_access_key="sk")
res = conn.list_tables(limit=1)
expected = {"TableNames": ["test_1"], "LastEvaluatedTableName": "test_1"}
res.should.equal(expected)
res = conn.list_tables(limit=1, exclusive_start_table_name="test_1")
expected = {"TableNames": ["test_2"]}
res.should.equal(expected)
@requires_boto_gte("2.9")
@mock_dynamodb2
def test_describe_missing_table():
conn = boto.dynamodb2.connect_to_region(
'us-west-2',
aws_access_key_id="ak",
aws_secret_access_key="sk")
conn.describe_table.when.called_with('messages').should.throw(JSONResponseError)
@requires_boto_gte("2.9")
@mock_dynamodb2
def test_sts_handler():
res = requests.post("https://sts.amazonaws.com/", data={"GetSessionToken": ""})
res.ok.should.be.ok
res.text.should.contain("SecretAccessKey")

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import boto
import sure # noqa
from freezegun import freeze_time
from moto import mock_dynamodb2
from boto.exception import JSONResponseError
from tests.helpers import requires_boto_gte
try:
from boto.dynamodb2.fields import HashKey
from boto.dynamodb2.fields import RangeKey
from boto.dynamodb2.table import Table
from boto.dynamodb2.table import Item
from boto.dynamodb.exceptions import DynamoDBKeyNotFoundError
from boto.dynamodb2.exceptions import ValidationException
from boto.dynamodb2.exceptions import ConditionalCheckFailedException
except ImportError:
print "This boto version is not supported"
def create_table():
table = Table.create('messages', schema=[
HashKey('forum_name'),
RangeKey('subject'),
], throughput={
'read': 10,
'write': 10,
})
return table
def iterate_results(res):
for i in res:
print i
@requires_boto_gte("2.9")
@mock_dynamodb2
@freeze_time("2012-01-14")
def test_create_table():
table = create_table()
expected = {
'Table': {
'AttributeDefinitions': [
{'AttributeName': 'forum_name', 'AttributeType': 'S'},
{'AttributeName': 'subject', 'AttributeType': 'S'}
],
'ProvisionedThroughput': {
'NumberOfDecreasesToday': 0, 'WriteCapacityUnits': 10, 'ReadCapacityUnits': 10
},
'TableSizeBytes': 0,
'TableName': 'messages',
'TableStatus': 'ACTIVE',
'KeySchema': [
{'KeyType': 'HASH', 'AttributeName': 'forum_name'},
{'KeyType': 'RANGE', 'AttributeName': 'subject'}
],
'ItemCount': 0, 'CreationDateTime': 1326499200.0
}
}
table.describe().should.equal(expected)
@requires_boto_gte("2.9")
@mock_dynamodb2
def test_delete_table():
conn = boto.dynamodb2.layer1.DynamoDBConnection()
table = create_table()
conn.list_tables()["TableNames"].should.have.length_of(1)
table.delete()
conn.list_tables()["TableNames"].should.have.length_of(0)
conn.delete_table.when.called_with('messages').should.throw(JSONResponseError)
@requires_boto_gte("2.9")
@mock_dynamodb2
def test_update_table_throughput():
table = create_table()
table.throughput["read"].should.equal(10)
table.throughput["write"].should.equal(10)
table.update(throughput={
'read': 5,
'write': 15,
})
table.throughput["read"].should.equal(5)
table.throughput["write"].should.equal(15)
table.update(throughput={
'read': 5,
'write': 6,
})
table.describe()
table.throughput["read"].should.equal(5)
table.throughput["write"].should.equal(6)
@requires_boto_gte("2.9")
@mock_dynamodb2
def test_item_add_and_describe_and_update():
table = create_table()
ok = table.put_item(data={
'forum_name': 'LOLCat Forum',
'subject': 'Check this out!',
'Body': 'http://url_to_lolcat.gif',
'SentBy': 'User A',
'ReceivedTime': '12/9/2011 11:36:03 PM',
})
ok.should.equal(True)
table.get_item(forum_name="LOLCat Forum",subject='Check this out!').should_not.be.none
returned_item = table.get_item(
forum_name='LOLCat Forum',
subject='Check this out!'
)
dict(returned_item).should.equal({
'forum_name': 'LOLCat Forum',
'subject': 'Check this out!',
'Body': 'http://url_to_lolcat.gif',
'SentBy': 'User A',
'ReceivedTime': '12/9/2011 11:36:03 PM',
})
returned_item['SentBy'] = 'User B'
returned_item.save(overwrite=True)
returned_item = table.get_item(
forum_name='LOLCat Forum',
subject='Check this out!'
)
dict(returned_item).should.equal({
'forum_name': 'LOLCat Forum',
'subject': 'Check this out!',
'Body': 'http://url_to_lolcat.gif',
'SentBy': 'User B',
'ReceivedTime': '12/9/2011 11:36:03 PM',
})
@requires_boto_gte("2.9")
@mock_dynamodb2
def test_item_put_without_table():
table = Table('undeclared-table')
item_data = {
'forum_name': 'LOLCat Forum',
'Body': 'http://url_to_lolcat.gif',
'SentBy': 'User A',
'ReceivedTime': '12/9/2011 11:36:03 PM',
}
item =Item(table,item_data)
item.save.when.called_with().should.throw(JSONResponseError)
@requires_boto_gte("2.9")
@mock_dynamodb2
def test_get_missing_item():
table = create_table()
table.get_item.when.called_with(
hash_key='tester',
range_key='other',
).should.throw(ValidationException)
@requires_boto_gte("2.9")
@mock_dynamodb2
def test_get_item_with_undeclared_table():
table = Table('undeclared-table')
table.get_item.when.called_with(test_hash=3241526475).should.throw(JSONResponseError)
@requires_boto_gte("2.9")
@mock_dynamodb2
def test_get_item_without_range_key():
table = Table.create('messages', schema=[
HashKey('test_hash'),
RangeKey('test_range'),
], throughput={
'read': 10,
'write': 10,
})
hash_key = 3241526475
range_key = 1234567890987
table.put_item( data = {'test_hash':hash_key, 'test_range':range_key})
table.get_item.when.called_with(test_hash=hash_key).should.throw(ValidationException)
@requires_boto_gte("2.9")
@mock_dynamodb2
def test_delete_item():
table = create_table()
item_data = {
'forum_name': 'LOLCat Forum',
'Body': 'http://url_to_lolcat.gif',
'SentBy': 'User A',
'ReceivedTime': '12/9/2011 11:36:03 PM',
}
item =Item(table,item_data)
item['subject'] = 'Check this out!'
item.save()
table.count().should.equal(1)
response = item.delete()
response.should.equal(True)
table.count().should.equal(0)
item.delete.when.called_with().should.throw(ConditionalCheckFailedException)
@requires_boto_gte("2.9")
@mock_dynamodb2
def test_delete_item_with_undeclared_table():
conn = boto.connect_dynamodb()
table = Table("undeclared-table")
item_data = {
'forum_name': 'LOLCat Forum',
'Body': 'http://url_to_lolcat.gif',
'SentBy': 'User A',
'ReceivedTime': '12/9/2011 11:36:03 PM',
}
item =Item(table,item_data)
item.delete.when.called_with().should.throw(JSONResponseError)
@requires_boto_gte("2.9")
@mock_dynamodb2
def test_query():
table = create_table()
item_data = {
'forum_name': 'LOLCat Forum',
'Body': 'http://url_to_lolcat.gif',
'SentBy': 'User A',
'ReceivedTime': '12/9/2011 11:36:03 PM',
'subject': 'Check this out!'
}
item =Item(table,item_data)
item.save(overwrite=True)
item['forum_name'] = 'the-key'
item['subject'] = '456'
item.save(overwrite=True)
item['forum_name'] = 'the-key'
item['subject'] = '123'
item.save(overwrite=True)
item['forum_name'] = 'the-key'
item['subject'] = '789'
item.save(overwrite=True)
table.count().should.equal(4)
results = table.query(forum_name__eq='the-key', subject__gt='1',consistent=True)
sum(1 for _ in results).should.equal(3)
results = table.query(forum_name__eq='the-key', subject__gt='234',consistent=True)
sum(1 for _ in results).should.equal(2)
results = table.query(forum_name__eq='the-key', subject__gt='9999')
sum(1 for _ in results).should.equal(0)
results = table.query(forum_name__eq='the-key', subject__beginswith='12')
sum(1 for _ in results).should.equal(1)
results = table.query(forum_name__eq='the-key', subject__beginswith='7')
sum(1 for _ in results).should.equal(1)
results = table.query(forum_name__eq='the-key', subject__between=['567', '890'])
sum(1 for _ in results).should.equal(1)
@requires_boto_gte("2.9")
@mock_dynamodb2
def test_query_with_undeclared_table():
table = Table('undeclared')
results = table.query(
forum_name__eq='Amazon DynamoDB',
subject__beginswith='DynamoDB',
limit=1
)
iterate_results.when.called_with(results).should.throw(JSONResponseError)
@requires_boto_gte("2.9")
@mock_dynamodb2
def test_scan():
table = create_table()
item_data = {
'Body': 'http://url_to_lolcat.gif',
'SentBy': 'User A',
'ReceivedTime': '12/9/2011 11:36:03 PM',
}
item_data['forum_name'] = 'the-key'
item_data['subject'] = '456'
item = Item(table,item_data)
item.save()
item['forum_name'] = 'the-key'
item['subject'] = '123'
item.save()
item_data = {
'Body': 'http://url_to_lolcat.gif',
'SentBy': 'User B',
'ReceivedTime': '12/9/2011 11:36:09 PM',
'Ids': set([1, 2, 3]),
'PK': 7,
}
item_data['forum_name'] = 'the-key'
item_data['subject'] = '789'
item = Item(table,item_data)
item.save()
results = table.scan()
sum(1 for _ in results).should.equal(3)
results = table.scan(SentBy__eq='User B')
sum(1 for _ in results).should.equal(1)
results = table.scan(Body__beginswith='http')
sum(1 for _ in results).should.equal(3)
results = table.scan(Ids__null=False)
sum(1 for _ in results).should.equal(1)
results = table.scan(Ids__null=True)
sum(1 for _ in results).should.equal(2)
results = table.scan(PK__between=[8, 9])
sum(1 for _ in results).should.equal(0)
results = table.scan(PK__between=[5, 8])
sum(1 for _ in results).should.equal(1)
@requires_boto_gte("2.9")
@mock_dynamodb2
def test_scan_with_undeclared_table():
conn = boto.dynamodb2.layer1.DynamoDBConnection()
conn.scan.when.called_with(
table_name='undeclared-table',
scan_filter={
"SentBy": {
"AttributeValueList": [{
"S": "User B"}
],
"ComparisonOperator": "EQ"
}
},
).should.throw(JSONResponseError)
@requires_boto_gte("2.9")
@mock_dynamodb2
def test_write_batch():
table = create_table()
with table.batch_write() as batch:
batch.put_item(data={
'forum_name': 'the-key',
'subject': '123',
'Body': 'http://url_to_lolcat.gif',
'SentBy': 'User A',
'ReceivedTime': '12/9/2011 11:36:03 PM',
})
batch.put_item(data={
'forum_name': 'the-key',
'subject': '789',
'Body': 'http://url_to_lolcat.gif',
'SentBy': 'User B',
'ReceivedTime': '12/9/2011 11:36:03 PM',
})
table.count().should.equal(2)
with table.batch_write() as batch:
batch.delete_item(
forum_name='the-key',
subject='789'
)
table.count().should.equal(1)
@requires_boto_gte("2.9")
@mock_dynamodb2
def test_batch_read():
table = create_table()
item_data = {
'Body': 'http://url_to_lolcat.gif',
'SentBy': 'User A',
'ReceivedTime': '12/9/2011 11:36:03 PM',
}
item_data['forum_name'] = 'the-key'
item_data['subject'] = '456'
item = Item(table,item_data)
item.save()
item = Item(table,item_data)
item_data['forum_name'] = 'the-key'
item_data['subject'] = '123'
item.save()
item_data = {
'Body': 'http://url_to_lolcat.gif',
'SentBy': 'User B',
'ReceivedTime': '12/9/2011 11:36:03 PM',
'Ids': set([1, 2, 3]),
'PK': 7,
}
item = Item(table,item_data)
item_data['forum_name'] = 'another-key'
item_data['subject'] = '789'
item.save()
results = table.batch_get(keys=[
{'forum_name': 'the-key', 'subject': '123'},
{'forum_name': 'another-key', 'subject': '789'}])
# Iterate through so that batch_item gets called
count = len([x for x in results])
count.should.equal(2)
@requires_boto_gte("2.9")
@mock_dynamodb2
def test_get_key_fields():
table = create_table()
kf = table.get_key_fields()
kf.should.equal(['forum_name','subject'])

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import boto
import sure # noqa
from freezegun import freeze_time
from boto.exception import JSONResponseError
from moto import mock_dynamodb2
from tests.helpers import requires_boto_gte
try:
from boto.dynamodb2.fields import HashKey
from boto.dynamodb2.fields import RangeKey
from boto.dynamodb2.table import Table
from boto.dynamodb2.table import Item
except ImportError:
print "This boto version is not supported"
def create_table():
table = Table.create('messages', schema=[
HashKey('forum_name')
], throughput={
'read': 10,
'write': 10,
})
return table
@requires_boto_gte("2.9")
@mock_dynamodb2
@freeze_time("2012-01-14")
def test_create_table():
table = create_table()
expected = {
'Table': {
'AttributeDefinitions': [
{'AttributeName': 'forum_name', 'AttributeType': 'S'}
],
'ProvisionedThroughput': {
'NumberOfDecreasesToday': 0, 'WriteCapacityUnits': 10, 'ReadCapacityUnits': 10
},
'TableSizeBytes': 0,
'TableName': 'messages',
'TableStatus': 'ACTIVE',
'KeySchema': [
{'KeyType': 'HASH', 'AttributeName': 'forum_name'}
],
'ItemCount': 0, 'CreationDateTime': 1326499200.0
}
}
conn = boto.dynamodb2.connect_to_region(
'us-west-2',
aws_access_key_id="ak",
aws_secret_access_key="sk")
conn.describe_table('messages').should.equal(expected)
@requires_boto_gte("2.9")
@mock_dynamodb2
def test_delete_table():
create_table()
conn = boto.dynamodb2.layer1.DynamoDBConnection()
conn.list_tables()["TableNames"].should.have.length_of(1)
conn.delete_table('messages')
conn.list_tables()["TableNames"].should.have.length_of(0)
conn.delete_table.when.called_with('messages').should.throw(JSONResponseError)
@requires_boto_gte("2.9")
@mock_dynamodb2
def test_update_table_throughput():
table = create_table()
table.throughput["read"].should.equal(10)
table.throughput["write"].should.equal(10)
table.update(throughput={
'read': 5,
'write': 6,
})
table.throughput["read"].should.equal(5)
table.throughput["write"].should.equal(6)
@requires_boto_gte("2.9")
@mock_dynamodb2
def test_item_add_and_describe_and_update():
table = create_table()
data={
'forum_name': 'LOLCat Forum',
'Body': 'http://url_to_lolcat.gif',
'SentBy': 'User A',
}
table.put_item(data = data)
returned_item = table.get_item(forum_name="LOLCat Forum")
returned_item.should_not.be.none
dict(returned_item).should.equal({
'forum_name': 'LOLCat Forum',
'Body': 'http://url_to_lolcat.gif',
'SentBy': 'User A',
})
returned_item['SentBy'] = 'User B'
returned_item.save(overwrite=True)
returned_item = table.get_item(
forum_name='LOLCat Forum'
)
dict(returned_item).should.equal({
'forum_name': 'LOLCat Forum',
'Body': 'http://url_to_lolcat.gif',
'SentBy': 'User B',
})
@requires_boto_gte("2.9")
@mock_dynamodb2
def test_item_put_without_table():
conn = boto.dynamodb2.layer1.DynamoDBConnection()
conn.put_item.when.called_with(
table_name='undeclared-table',
item={
'forum_name': 'LOLCat Forum',
'Body': 'http://url_to_lolcat.gif',
'SentBy': 'User A',
}
).should.throw(JSONResponseError)
@requires_boto_gte("2.9")
@mock_dynamodb2
def test_get_missing_item():
table = create_table()
table.get_item.when.called_with(test_hash=3241526475).should.throw(JSONResponseError)
@requires_boto_gte("2.9")
@mock_dynamodb2
def test_get_item_with_undeclared_table():
conn = boto.dynamodb2.layer1.DynamoDBConnection()
conn.get_item.when.called_with(
table_name='undeclared-table',
key={"forum_name": {"S": "LOLCat Forum"}},
).should.throw(JSONResponseError)
@requires_boto_gte("2.9")
@mock_dynamodb2
def test_delete_item():
table = create_table()
item_data = {
'forum_name': 'LOLCat Forum',
'Body': 'http://url_to_lolcat.gif',
'SentBy': 'User A',
'ReceivedTime': '12/9/2011 11:36:03 PM',
}
item =Item(table,item_data)
item.save()
table.count().should.equal(1)
response = item.delete()
response.should.equal(True)
table.count().should.equal(0)
item.delete.when.called_with().should.throw(JSONResponseError)
@requires_boto_gte("2.9")
@mock_dynamodb2
def test_delete_item_with_undeclared_table():
conn = boto.dynamodb2.layer1.DynamoDBConnection()
conn.delete_item.when.called_with(
table_name='undeclared-table',
key={"forum_name": {"S": "LOLCat Forum"}},
).should.throw(JSONResponseError)
@requires_boto_gte("2.9")
@mock_dynamodb2
def test_query():
table = create_table()
item_data = {
'forum_name': 'the-key',
'Body': 'http://url_to_lolcat.gif',
'SentBy': 'User A',
'ReceivedTime': '12/9/2011 11:36:03 PM',
}
item =Item(table,item_data)
item.save(overwrite = True)
table.count().should.equal(1)
table = Table("messages")
results = table.query(forum_name__eq='the-key')
sum(1 for _ in results).should.equal(1)
@requires_boto_gte("2.9")
@mock_dynamodb2
def test_query_with_undeclared_table():
conn = boto.dynamodb2.layer1.DynamoDBConnection()
conn.query.when.called_with(
table_name='undeclared-table',
key_conditions= {"forum_name": {"ComparisonOperator": "EQ", "AttributeValueList": [{"S": "the-key"}]}}
).should.throw(JSONResponseError)
@requires_boto_gte("2.9")
@mock_dynamodb2
def test_scan():
table = create_table()
item_data = {
'Body': 'http://url_to_lolcat.gif',
'SentBy': 'User A',
'ReceivedTime': '12/9/2011 11:36:03 PM',
}
item_data['forum_name'] = 'the-key'
item = Item(table,item_data)
item.save()
item['forum_name'] = 'the-key2'
item.save(overwrite=True)
item_data = {
'Body': 'http://url_to_lolcat.gif',
'SentBy': 'User B',
'ReceivedTime': '12/9/2011 11:36:03 PM',
'Ids': set([1, 2, 3]),
'PK': 7,
}
item_data['forum_name'] = 'the-key3'
item = Item(table,item_data)
item.save()
results = table.scan()
sum(1 for _ in results).should.equal(3)
results = table.scan(SentBy__eq='User B')
sum(1 for _ in results).should.equal(1)
results = table.scan(Body__beginswith='http')
sum(1 for _ in results).should.equal(3)
results = table.scan(Ids__null=False)
sum(1 for _ in results).should.equal(1)
results = table.scan(Ids__null=True)
sum(1 for _ in results).should.equal(2)
results = table.scan(PK__between=[8, 9])
sum(1 for _ in results).should.equal(0)
results = table.scan(PK__between=[5, 8])
sum(1 for _ in results).should.equal(1)
@requires_boto_gte("2.9")
@mock_dynamodb2
def test_scan_with_undeclared_table():
conn = boto.dynamodb2.layer1.DynamoDBConnection()
conn.scan.when.called_with(
table_name='undeclared-table',
scan_filter={
"SentBy": {
"AttributeValueList": [{
"S": "User B"}
],
"ComparisonOperator": "EQ"
}
},
).should.throw(JSONResponseError)
@requires_boto_gte("2.9")
@mock_dynamodb2
def test_write_batch():
table = create_table()
with table.batch_write() as batch:
batch.put_item(data={
'forum_name': 'the-key',
'subject': '123',
'Body': 'http://url_to_lolcat.gif',
'SentBy': 'User A',
'ReceivedTime': '12/9/2011 11:36:03 PM',
})
batch.put_item(data={
'forum_name': 'the-key2',
'subject': '789',
'Body': 'http://url_to_lolcat.gif',
'SentBy': 'User B',
'ReceivedTime': '12/9/2011 11:36:03 PM',
})
table.count().should.equal(2)
with table.batch_write() as batch:
batch.delete_item(
forum_name='the-key',
subject='789'
)
table.count().should.equal(1)
@requires_boto_gte("2.9")
@mock_dynamodb2
def test_batch_read():
table = create_table()
item_data = {
'Body': 'http://url_to_lolcat.gif',
'SentBy': 'User A',
'ReceivedTime': '12/9/2011 11:36:03 PM',
}
item_data['forum_name'] = 'the-key1'
item = Item(table,item_data)
item.save()
item = Item(table,item_data)
item_data['forum_name'] = 'the-key2'
item.save(overwrite = True)
item_data = {
'Body': 'http://url_to_lolcat.gif',
'SentBy': 'User B',
'ReceivedTime': '12/9/2011 11:36:03 PM',
'Ids': set([1, 2, 3]),
'PK': 7,
}
item = Item(table,item_data)
item_data['forum_name'] = 'another-key'
item.save(overwrite = True)
results = table.batch_get(keys=[
{'forum_name': 'the-key1'},
{'forum_name': 'another-key'}])
# Iterate through so that batch_item gets called
count = len([x for x in results])
count.should.equal(2)
@requires_boto_gte("2.9")
@mock_dynamodb2
def test_get_key_fields():
table = create_table()
kf = table.get_key_fields()
kf[0].should.equal('forum_name')
@requires_boto_gte("2.9")
@mock_dynamodb2
def test_get_special_item():
table = Table.create('messages', schema=[
HashKey('date-joined')
], throughput={
'read': 10,
'write': 10,
})
data={
'date-joined': 127549192,
'SentBy': 'User A',
}
table.put_item(data = data)
returned_item = table.get_item(**{'date-joined': 127549192})
dict(returned_item).should.equal(data)

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import sure # noqa
import moto.server as server
'''
Test the different server responses
'''
def test_table_list():
backend = server.create_backend_app("dynamodb2")
test_client = backend.test_client()
res = test_client.get('/')
res.status_code.should.equal(404)
headers = {'X-Amz-Target': 'TestTable.ListTables'}
res = test_client.get('/', headers=headers)
res.data.should.contain('TableNames')