1. Tempest tests inheritance hierarchy
BaseDeps
BaseTestCase
tempest.test
tempest.test
OfficialClientTesttempest.scenario.manager
NetworkScenarioTesttempest.scenario.manager
TestNetworkBasicOpstempest.scenario.manager
All Tempest tests inherit
from these classes
BaseNetworkTest
NetworksTestJSON
NetworksTestXML
tempest.api.network.
base
tempest.api.network.
test_networks
tempest.api.network.
test_networks

2. tempest.test.BaseDeps
BaseDeps
Responsibilities
-- Inherit all the assert and matcher methods of
testtools.TestCase
– Inherit the attributes functionality from
testtools.testcase.WithAttributes
-- Inherit the resources management
functionality of
testresources.ResourcedTestCase
TestCase WithAttributes ResourcedTestCase
tempest.test
testtools testtools.testcasetesttools.testcase testresources

3. tempest.test.BaseTestCase
BaseTestCase
SetUpClassCalled : Boolean
Responsibilities
-- Insure test cases call their super's
setUpClass and tearDownClass methods
– Set up test case time out
– Set up handling of stdout, stderr and log
capture
-- Provide get_client_manager method for api
tests to get credentials and Tempest clients
SetUpClass
TearDownClass
get_client_manager
setUp

4. tempest.api.network.base
BaseNetworkTest
network_client
networks
subnets
…other lists to keep track of
resources created
Responsibilities
- Get Tempest network client by calling
get_client_manager in parent class
- Keep track of resources created
during setup
- Delete resources during tear down
- Provide utility methods to create
resources
SetUpClass
tearDownClass
create_network
create_subnet
… other class methods
to create test resources
1 1 IsolatedCreds
NetworkClientJSON
1
1
tempest.common.isolated_creds
tempest.services.
network.json.
network_client
BaseTestCase
isolated_creds
tempest.test
NetworkClientXML
NetworkClientBase
tempest.services.network
tempest.services.
network.xml.
network_client

5. tempest.scenario.manager.OfficialClientTest
OfficialClientTest
isolated_creds
manager
compute_client
…other clients
network_client
resource_keys
os_resources
Responsibilities
- Get a set of credentials
- Get official service clients
- Keep track of resources created
and delete them in reverse order
at end of execution
- Provide utility methods for the creation
of resources like servers, volumes,
security groups, images, etc.
SetUpClass
credentials
alt_credentials
admin_credentials
tearDownClass
set_resource
get_resource
remove_resource
1 1 IsolatedCreds
1
1
OfficialClientManager
Client
Client
1
1
1
1
1
1
1
1
tempest.common.isolated_creds
tempest.scenario.
manager
novaclient.client
neutronclient.v2.0.client