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To make the tests in alternator-test runnable by test.py, we need to move the directory alternator-test/ to test/alternator, because test.py only looks for tests in subdirectories of test/. Then, we need to create a test/alternator/suite.yaml saying that this test directory is of type "Run", i.e., it has a single run script "run" which runs all its tests. The "run" script had to be slightly modified to be aware of its new location relative to the source directory. To run the Alternator tests from test.py, do: ./test.py --mode dev alternator Note that in this version, the "--mode" has no effect - test/alternator/run always runs the latest compiled Scylla, regardless of the chosen mode. The Alternator tests can still be run manually and individually against a running Scylla or DynamoDB as before - just go to the test/alternator directory (instead of alternator-test previously) and run "pytest" with the desired parameters. Fixes #6046 Signed-off-by: Nadav Har'El <nyh@scylladb.com>
169 lines
8.6 KiB
Python
169 lines
8.6 KiB
Python
# Copyright 2019 ScyllaDB
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#
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# This file is part of Scylla.
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#
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# Scylla is free software: you can redistribute it and/or modify
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# it under the terms of the GNU Affero General Public License as published by
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# the Free Software Foundation, either version 3 of the License, or
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# (at your option) any later version.
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#
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# Scylla is distributed in the hope that it will be useful,
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# but WITHOUT ANY WARRANTY; without even the implied warranty of
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# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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# GNU General Public License for more details.
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#
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# You should have received a copy of the GNU Affero General Public License
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# along with Scylla. If not, see <http://www.gnu.org/licenses/>.
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# Tests for the DescribeTable operation.
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# Some attributes used only by a specific major feature will be tested
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# elsewhere:
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# 1. Tests for describing tables with global or local secondary indexes
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# (the GlobalSecondaryIndexes and LocalSecondaryIndexes attributes)
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# are in test_gsi.py and test_lsi.py.
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# 2. Tests for the stream feature (LatestStreamArn, LatestStreamLabel,
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# StreamSpecification) will be in the tests devoted to the stream
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# feature.
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# 3. Tests for describing a restored table (RestoreSummary, TableId)
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# will be together with tests devoted to the backup/restore feature.
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import pytest
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from botocore.exceptions import ClientError
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import re
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import time
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from util import multiset
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# Test that DescribeTable correctly returns the table's name and state
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def test_describe_table_basic(test_table):
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got = test_table.meta.client.describe_table(TableName=test_table.name)['Table']
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assert got['TableName'] == test_table.name
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assert got['TableStatus'] == 'ACTIVE'
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# Test that DescribeTable correctly returns the table's schema, in
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# AttributeDefinitions and KeySchema attributes
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def test_describe_table_schema(test_table):
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got = test_table.meta.client.describe_table(TableName=test_table.name)['Table']
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expected = { # Copied from test_table()'s fixture
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'KeySchema': [ { 'AttributeName': 'p', 'KeyType': 'HASH' },
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{ 'AttributeName': 'c', 'KeyType': 'RANGE' }
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],
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'AttributeDefinitions': [
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{ 'AttributeName': 'p', 'AttributeType': 'S' },
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{ 'AttributeName': 'c', 'AttributeType': 'S' },
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]
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}
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assert got['KeySchema'] == expected['KeySchema']
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# The list of attribute definitions may be arbitrarily reordered
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assert multiset(got['AttributeDefinitions']) == multiset(expected['AttributeDefinitions'])
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# Test that DescribeTable correctly returns the table's billing mode,
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# in the BillingModeSummary attribute.
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def test_describe_table_billing(test_table):
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got = test_table.meta.client.describe_table(TableName=test_table.name)['Table']
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assert got['BillingModeSummary']['BillingMode'] == 'PAY_PER_REQUEST'
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# The BillingModeSummary should also contain a
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# LastUpdateToPayPerRequestDateTime attribute, which is a date.
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# We don't know what date this is supposed to be, but something we
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# do know is that the test table was created already with this billing
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# mode, so the table creation date should be the same as the billing
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# mode setting date.
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assert 'LastUpdateToPayPerRequestDateTime' in got['BillingModeSummary']
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assert got['BillingModeSummary']['LastUpdateToPayPerRequestDateTime'] == got['CreationDateTime']
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# Test that DescribeTable correctly returns the table's creation time.
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# We don't know what this creation time is supposed to be, so this test
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# cannot be very thorough... We currently just tests against something we
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# know to be wrong - returning the *current* time, which changes on every
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# call.
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@pytest.mark.xfail(reason="DescribeTable does not return table creation time")
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def test_describe_table_creation_time(test_table):
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got = test_table.meta.client.describe_table(TableName=test_table.name)['Table']
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assert 'CreationDateTime' in got
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time1 = got['CreationDateTime']
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time.sleep(1)
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got = test_table.meta.client.describe_table(TableName=test_table.name)['Table']
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time2 = got['CreationDateTime']
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assert time1 == time2
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# Test that DescribeTable returns the table's estimated item count
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# in the ItemCount attribute. Unfortunately, there's not much we can
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# really test here... The documentation says that the count can be
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# delayed by six hours, so the number we get here may have no relation
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# to the current number of items in the test table. The attribute should exist,
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# though. This test does NOT verify that ItemCount isn't always returned as
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# zero - such stub implementation will pass this test.
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@pytest.mark.xfail(reason="DescribeTable does not return table item count")
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def test_describe_table_item_count(test_table):
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got = test_table.meta.client.describe_table(TableName=test_table.name)['Table']
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assert 'ItemCount' in got
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# Similar test for estimated size in bytes - TableSizeBytes - which again,
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# may reflect the size as long as six hours ago.
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@pytest.mark.xfail(reason="DescribeTable does not return table size")
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def test_describe_table_size(test_table):
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got = test_table.meta.client.describe_table(TableName=test_table.name)['Table']
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assert 'TableSizeBytes' in got
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# Test the ProvisionedThroughput attribute returned by DescribeTable.
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# This is a very partial test: Our test table is configured without
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# provisioned throughput, so obviously it will not have interesting settings
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# for it. DynamoDB returns zeros for some of the attributes, even though
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# the documentation suggests missing values should have been fine too.
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@pytest.mark.xfail(reason="DescribeTable does not return provisioned throughput")
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def test_describe_table_provisioned_throughput(test_table):
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got = test_table.meta.client.describe_table(TableName=test_table.name)['Table']
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assert got['ProvisionedThroughput']['NumberOfDecreasesToday'] == 0
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assert got['ProvisionedThroughput']['WriteCapacityUnits'] == 0
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assert got['ProvisionedThroughput']['ReadCapacityUnits'] == 0
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# This is a silly test for the RestoreSummary attribute in DescribeTable -
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# it should not exist in a table not created by a restore. When testing
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# the backup/restore feature, we will have more meaninful tests for the
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# value of this attribute in that case.
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def test_describe_table_restore_summary(test_table):
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got = test_table.meta.client.describe_table(TableName=test_table.name)['Table']
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assert not 'RestoreSummary' in got
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# This is a silly test for the SSEDescription attribute in DescribeTable -
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# by default, a table is encrypted with AWS-owned keys, not using client-
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# owned keys, and the SSEDescription attribute is not returned at all.
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def test_describe_table_encryption(test_table):
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got = test_table.meta.client.describe_table(TableName=test_table.name)['Table']
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assert not 'SSEDescription' in got
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# This is a silly test for the StreamSpecification attribute in DescribeTable -
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# when there are no streams, this attribute should be missing.
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def test_describe_table_stream_specification(test_table):
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got = test_table.meta.client.describe_table(TableName=test_table.name)['Table']
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assert not 'StreamSpecification' in got
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# Test that the table has an ARN, a unique identifier for the table which
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# includes which zone it is on, which account, and of course the table's
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# name. The ARN format is described in
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# https://docs.aws.amazon.com/general/latest/gr/aws-arns-and-namespaces.html#genref-arns
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def test_describe_table_arn(test_table):
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got = test_table.meta.client.describe_table(TableName=test_table.name)['Table']
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assert 'TableArn' in got and got['TableArn'].startswith('arn:')
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# Test that the table has a TableId.
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# TODO: Figure out what is this TableId supposed to be, it is just a
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# unique id that is created with the table and never changes? Or anything
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# else?
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@pytest.mark.xfail(reason="DescribeTable does not return TableId")
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def test_describe_table_id(test_table):
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got = test_table.meta.client.describe_table(TableName=test_table.name)['Table']
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assert 'TableId' in got
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# DescribeTable error path: trying to describe a non-existent table should
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# result in a ResourceNotFoundException.
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def test_describe_table_non_existent_table(dynamodb):
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with pytest.raises(ClientError, match='ResourceNotFoundException') as einfo:
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dynamodb.meta.client.describe_table(TableName='non_existent_table')
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# As one of the first error-path tests that we wrote, let's test in more
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# detail that the error reply has the appropriate fields:
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response = einfo.value.response
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print(response)
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err = response['Error']
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assert err['Code'] == 'ResourceNotFoundException'
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assert re.match(err['Message'], 'Requested resource not found: Table: non_existent_table not found')
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