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# Copyright (c) 2013 Amazon.com, Inc. or its affiliates.
# All rights reserved.
#
# Permission is hereby granted, free of charge, to any person obtaining a
# copy of this software and associated documentation files (the
# "Software"), to deal in the Software without restriction, including
# without limitation the rights to use, copy, modify, merge, publish, dis-
# tribute, sublicense, and/or sell copies of the Software, and to permit
# persons to whom the Software is furnished to do so, subject to the fol-
# lowing conditions:
#
# The above copyright notice and this permission notice shall be included
# in all copies or substantial portions of the Software.
#
# THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
# OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABIL-
# ITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT
# SHALL THE AUTHOR BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY,
# WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
# OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS
# IN THE SOFTWARE.
"""
Tests for Layer1 of DynamoDB v2
"""
import time
from tests.unit import unittest
from boto.dynamodb2 import exceptions
from boto.dynamodb2.layer1 import DynamoDBConnection
class DynamoDBv2Layer1Test(unittest.TestCase):
dynamodb = True
def setUp(self):
self.dynamodb = DynamoDBConnection()
self.table_name = 'test-%d' % int(time.time())
self.hash_key_name = 'username'
self.hash_key_type = 'S'
self.range_key_name = 'date_joined'
self.range_key_type = 'N'
self.read_units = 5
self.write_units = 5
self.attributes = [
{
'AttributeName': self.hash_key_name,
'AttributeType': self.hash_key_type,
},
{
'AttributeName': self.range_key_name,
'AttributeType': self.range_key_type,
}
]
self.schema = [
{
'AttributeName': self.hash_key_name,
'KeyType': 'HASH',
},
{
'AttributeName': self.range_key_name,
'KeyType': 'RANGE',
},
]
self.provisioned_throughput = {
'ReadCapacityUnits': self.read_units,
'WriteCapacityUnits': self.write_units,
}
self.lsi = [
{
'IndexName': 'MostRecentIndex',
'KeySchema': [
{
'AttributeName': self.hash_key_name,
'KeyType': 'HASH',
},
{
'AttributeName': self.range_key_name,
'KeyType': 'RANGE',
},
],
'Projection': {
'ProjectionType': 'KEYS_ONLY',
}
}
]
def create_table(self, table_name, attributes, schema,
provisioned_throughput, lsi=None, wait=True):
# Note: This is a slightly different ordering that makes less sense.
result = self.dynamodb.create_table(
attributes,
table_name,
schema,
provisioned_throughput,
local_secondary_indexes=lsi
)
self.addCleanup(self.dynamodb.delete_table, table_name)
if wait:
while True:
description = self.dynamodb.describe_table(table_name)
if description['Table']['TableStatus'].lower() == 'active':
return result
else:
time.sleep(5)
else:
return result
def test_integrated(self):
result = self.create_table(
self.table_name,
self.attributes,
self.schema,
self.provisioned_throughput,
self.lsi
)
self.assertEqual(
result['TableDescription']['TableName'],
self.table_name
)
description = self.dynamodb.describe_table(self.table_name)
self.assertEqual(description['Table']['ItemCount'], 0)
# Create some records.
record_1_data = {
'username': {'S': 'johndoe'},
'first_name': {'S': 'John'},
'last_name': {'S': 'Doe'},
'date_joined': {'N': '1366056668'},
'friend_count': {'N': '3'},
'friends': {'SS': ['alice', 'bob', 'jane']},
}
r1_result = self.dynamodb.put_item(self.table_name, record_1_data)
# Get the data.
record_1 = self.dynamodb.get_item(self.table_name, key={
'username': {'S': 'johndoe'},
'date_joined': {'N': '1366056668'},
}, consistent_read=True)
self.assertEqual(record_1['Item']['username']['S'], 'johndoe')
self.assertEqual(record_1['Item']['first_name']['S'], 'John')
self.assertEqual(record_1['Item']['friends']['SS'], [
'alice', 'bob', 'jane'
])
# Now in a batch.
self.dynamodb.batch_write_item({
self.table_name: [
{
'PutRequest': {
'Item': {
'username': {'S': 'jane'},
'first_name': {'S': 'Jane'},
'last_name': {'S': 'Doe'},
'date_joined': {'N': '1366056789'},
'friend_count': {'N': '1'},
'friends': {'SS': ['johndoe']},
},
},
},
]
})
# Now a query.
lsi_results = self.dynamodb.query(
self.table_name,
index_name='MostRecentIndex',
key_conditions={
'username': {
'AttributeValueList': [
{'S': 'johndoe'},
],
'ComparisonOperator': 'EQ',
},
},
consistent_read=True
)
self.assertEqual(lsi_results['Count'], 1)
results = self.dynamodb.query(self.table_name, key_conditions={
'username': {
'AttributeValueList': [
{'S': 'jane'},
],
'ComparisonOperator': 'EQ',
},
'date_joined': {
'AttributeValueList': [
{'N': '1366050000'}
],
'ComparisonOperator': 'GT',
}
}, consistent_read=True)
self.assertEqual(results['Count'], 1)
# Now a scan.
results = self.dynamodb.scan(self.table_name)
self.assertEqual(results['Count'], 2)
s_items = sorted([res['username']['S'] for res in results['Items']])
self.assertEqual(s_items, ['jane', 'johndoe'])
self.dynamodb.delete_item(self.table_name, key={
'username': {'S': 'johndoe'},
'date_joined': {'N': '1366056668'},
})
results = self.dynamodb.scan(self.table_name)
self.assertEqual(results['Count'], 1)
# Parallel scan (minus client-side threading).
self.dynamodb.batch_write_item({
self.table_name: [
{
'PutRequest': {
'Item': {
'username': {'S': 'johndoe'},
'first_name': {'S': 'Johann'},
'last_name': {'S': 'Does'},
'date_joined': {'N': '1366058000'},
'friend_count': {'N': '1'},
'friends': {'SS': ['jane']},
},
},
'PutRequest': {
'Item': {
'username': {'S': 'alice'},
'first_name': {'S': 'Alice'},
'last_name': {'S': 'Expert'},
'date_joined': {'N': '1366056800'},
'friend_count': {'N': '2'},
'friends': {'SS': ['johndoe', 'jane']},
},
},
},
]
})
time.sleep(20)
results = self.dynamodb.scan(self.table_name, segment=0, total_segments=2)
self.assertTrue(results['Count'] in [1, 2])
results = self.dynamodb.scan(self.table_name, segment=1, total_segments=2)
self.assertTrue(results['Count'] in [1, 2])
def test_without_range_key(self):
result = self.create_table(
self.table_name,
[
{
'AttributeName': self.hash_key_name,
'AttributeType': self.hash_key_type,
},
],
[
{
'AttributeName': self.hash_key_name,
'KeyType': 'HASH',
},
],
self.provisioned_throughput
)
self.assertEqual(
result['TableDescription']['TableName'],
self.table_name
)
description = self.dynamodb.describe_table(self.table_name)
self.assertEqual(description['Table']['ItemCount'], 0)
# Create some records.
record_1_data = {
'username': {'S': 'johndoe'},
'first_name': {'S': 'John'},
'last_name': {'S': 'Doe'},
'date_joined': {'N': '1366056668'},
'friend_count': {'N': '3'},
'friends': {'SS': ['alice', 'bob', 'jane']},
}
r1_result = self.dynamodb.put_item(self.table_name, record_1_data)
# Now try a range-less get.
johndoe = self.dynamodb.get_item(self.table_name, key={
'username': {'S': 'johndoe'},
}, consistent_read=True)
self.assertEqual(johndoe['Item']['username']['S'], 'johndoe')
self.assertEqual(johndoe['Item']['first_name']['S'], 'John')
self.assertEqual(johndoe['Item']['friends']['SS'], [
'alice', 'bob', 'jane'
])
def test_throughput_exceeded_regression(self):
tiny_tablename = 'TinyThroughput'
tiny = self.create_table(
tiny_tablename,
self.attributes,
self.schema,
{
'ReadCapacityUnits': 1,
'WriteCapacityUnits': 1,
}
)
self.dynamodb.put_item(tiny_tablename, {
'username': {'S': 'johndoe'},
'first_name': {'S': 'John'},
'last_name': {'S': 'Doe'},
'date_joined': {'N': '1366056668'},
})
self.dynamodb.put_item(tiny_tablename, {
'username': {'S': 'jane'},
'first_name': {'S': 'Jane'},
'last_name': {'S': 'Doe'},
'date_joined': {'N': '1366056669'},
})
self.dynamodb.put_item(tiny_tablename, {
'username': {'S': 'alice'},
'first_name': {'S': 'Alice'},
'last_name': {'S': 'Expert'},
'date_joined': {'N': '1366057000'},
})
time.sleep(20)
for i in range(100):
# This would cause an exception due to a non-existant instance variable.
self.dynamodb.scan(tiny_tablename)
def test_recursive(self):
result = self.create_table(
self.table_name,
self.attributes,
self.schema,
self.provisioned_throughput,
self.lsi
)
self.assertEqual(
result['TableDescription']['TableName'],
self.table_name
)
description = self.dynamodb.describe_table(self.table_name)
self.assertEqual(description['Table']['ItemCount'], 0)
# Create some records with one being a recursive shape.
record_1_data = {
'username': {'S': 'johndoe'},
'first_name': {'S': 'John'},
'last_name': {'S': 'Doe'},
'date_joined': {'N': '1366056668'},
'friend_count': {'N': '3'},
'friend_data': {'M': {'username': {'S': 'alice'},
'friend_count': {'N': '4'}}}
}
r1_result = self.dynamodb.put_item(self.table_name, record_1_data)
# Get the data.
record_1 = self.dynamodb.get_item(self.table_name, key={
'username': {'S': 'johndoe'},
'date_joined': {'N': '1366056668'},
}, consistent_read=True)
self.assertEqual(record_1['Item']['username']['S'], 'johndoe')
self.assertEqual(record_1['Item']['first_name']['S'], 'John')
recursive_data = record_1['Item']['friend_data']['M']
self.assertEqual(recursive_data['username']['S'], 'alice')
self.assertEqual(recursive_data['friend_count']['N'], '4')
|
