rally/tests/unit/task/test_context.py

308 lines
12 KiB
Python

# Copyright 2014: Mirantis Inc.
# All Rights Reserved.
#
# Licensed under the Apache License, Version 2.0 (the "License"); you may
# not use this file except in compliance with the License. You may obtain
# a copy of the License at
#
# http://www.apache.org/licenses/LICENSE-2.0
#
# Unless required by applicable law or agreed to in writing, software
# distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
# WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
# License for the specific language governing permissions and limitations
# under the License.
import collections
import ddt
import mock
from rally import exceptions
from rally.task import context
from tests.unit import fakes
from tests.unit import test
@ddt.ddt
class BaseContextTestCase(test.TestCase):
@ddt.data({"config": {"bar": "spam"}, "expected": {"bar": "spam"}},
{"config": {"bar": "spam"}, "expected": {"bar": "spam"}},
{"config": {}, "expected": {}},
{"config": None, "expected": None},
{"config": 42, "expected": 42},
{"config": "foo str", "expected": "foo str"},
{"config": [], "expected": ()},
{"config": [11, 22, 33], "expected": (11, 22, 33)})
@ddt.unpack
def test_init(self, config, expected):
ctx = {"config": {"foo": 42, "fake": config}, "task": "foo_task"}
ins = fakes.FakeContext(ctx)
self.assertEqual(ins.config, expected)
self.assertEqual(ins.task, "foo_task")
self.assertEqual(ins.context, ctx)
def test_init_with_default_config(self):
@context.configure(name="foo", order=1)
class FooContext(fakes.FakeContext):
DEFAULT_CONFIG = {"alpha": "beta", "delta": "gamma"}
ctx = {"config": {"foo": {"ab": "cd"}, "bar": 42}, "task": "foo_task"}
ins = FooContext(ctx)
self.assertEqual({"ab": "cd", "alpha": "beta", "delta": "gamma"},
ins.config)
def test_init_empty_context(self):
ctx0 = {
"task": mock.MagicMock(),
"config": {"fake": {"foo": 42}}
}
ctx = fakes.FakeContext(ctx0)
self.assertEqual(ctx.config, ctx0["config"]["fake"])
self.assertEqual(ctx.task, ctx0["task"])
self.assertEqual(ctx.context, ctx0)
@ddt.data(({"test": 2}, True), ({"nonexisting": 2}, False))
@ddt.unpack
def test_validate(self, config, valid):
results = context.Context.validate("fake", None, None, config)
if valid:
self.assertEqual([], results)
else:
self.assertEqual(1, len(results))
def test_setup_is_abstract(self):
@context.configure("test_abstract_setup", 0)
class A(context.Context):
def cleanup(self):
pass
self.assertRaises(TypeError, A)
def test_cleanup_is_abstract(self):
@context.configure("test_abstract_cleanup", 0)
class A(context.Context):
def setup(self):
pass
self.assertRaises(TypeError, A)
def test_with_statement(self):
ctx0 = {
"task": mock.MagicMock()
}
ctx = fakes.FakeContext(ctx0)
ctx.setup = mock.MagicMock()
ctx.cleanup = mock.MagicMock()
with ctx as entered_ctx:
self.assertEqual(ctx, entered_ctx)
ctx.cleanup.assert_called_once_with()
def test_lt(self):
@context.configure(name="lt", order=fakes.FakeContext.get_order() - 1)
class FakeLowerContext(fakes.FakeContext):
pass
ctx = mock.MagicMock()
self.assertTrue(FakeLowerContext(ctx) < fakes.FakeContext(ctx))
self.assertFalse(fakes.FakeContext(ctx) < FakeLowerContext(ctx))
self.assertFalse(fakes.FakeContext(ctx) < fakes.FakeContext(ctx))
def test_gt(self):
@context.configure(name="f", order=fakes.FakeContext.get_order() + 1)
class FakeBiggerContext(fakes.FakeContext):
pass
ctx = mock.MagicMock()
self.assertTrue(FakeBiggerContext(ctx) > fakes.FakeContext(ctx))
self.assertFalse(fakes.FakeContext(ctx) > FakeBiggerContext(ctx))
self.assertFalse(fakes.FakeContext(ctx) > fakes.FakeContext(ctx))
def test_eq(self):
@context.configure(name="fake2",
order=fakes.FakeContext.get_order() + 1)
class FakeOtherContext(fakes.FakeContext):
pass
ctx = mock.MagicMock()
self.assertFalse(FakeOtherContext(ctx) == fakes.FakeContext(ctx))
self.assertTrue(FakeOtherContext(ctx) == FakeOtherContext(ctx))
def test_get_owner_id_from_task(self):
ctx = {"config": {"fake": {"test": 10}}, "task": {"uuid": "task_uuid"}}
ins = fakes.FakeContext(ctx)
self.assertEqual("task_uuid", ins.get_owner_id())
def test_get_owner_id(self):
ctx = {"config": {"fake": {"test": 10}}, "task": {"uuid": "task_uuid"},
"owner_id": "foo_uuid"}
ins = fakes.FakeContext(ctx)
self.assertEqual("foo_uuid", ins.get_owner_id())
class ContextManagerTestCase(test.TestCase):
@mock.patch("rally.task.context.ContextManager._get_sorted_context_lst")
def test_setup(self, mock__get_sorted_context_lst):
foo_context = mock.MagicMock()
bar_context = mock.MagicMock()
mock__get_sorted_context_lst.return_value = [foo_context, bar_context]
ctx_object = {"config": {"a": [], "b": []},
"scenario_namespace": "foo"}
manager = context.ContextManager(ctx_object)
result = manager.setup()
self.assertEqual(result, ctx_object)
foo_context.setup.assert_called_once_with()
bar_context.setup.assert_called_once_with()
@mock.patch("rally.task.context.Context.get_all")
@mock.patch("rally.task.context.Context.get")
def test_get_sorted_context_lst(self, mock_context_get,
mock_context_get_all):
# use ordereddict to predict the order of calls
ctx_object = {"config": collections.OrderedDict([("a@foo", []),
("b", []),
("c", []),
("d", [])]),
"scenario_namespace": "foo"}
def OrderableMock(**kwargs):
return mock.Mock(__lt__=(lambda x, y: x), **kwargs)
a_ctx = mock.Mock(return_value=OrderableMock())
mock_context_get.return_value = a_ctx
b_ctx = mock.Mock(return_value=OrderableMock())
c_ctx = mock.Mock(get_namespace=lambda: "foo",
return_value=OrderableMock())
d_ctx = mock.Mock(get_namespace=lambda: "default",
return_value=OrderableMock())
all_plugins = {
# it is a case when search is performed for any namespace and only
# one possible match is found
"b": [b_ctx],
# it is a case when plugin should be filtered by the scenario
# namespace
"c": [mock.Mock(get_namespace=lambda: "default"), c_ctx],
# it is a case when plugin should be filtered by the scenario
# namespace
"d": [mock.Mock(get_namespace=lambda: "bar"), d_ctx]
}
def fake_get_all(name, allow_hidden=True):
# use pop to ensure that get_all is called only one time per ctx
result = all_plugins.pop(name, None)
if result is None:
self.fail("Unexpected call of Context.get_all for %s plugin" %
name)
return result
mock_context_get_all.side_effect = fake_get_all
manager = context.ContextManager(ctx_object)
self.assertEqual({a_ctx.return_value, b_ctx.return_value,
c_ctx.return_value, d_ctx.return_value},
set(manager._get_sorted_context_lst()))
mock_context_get.assert_called_once_with("a", namespace="foo",
fallback_to_default=False,
allow_hidden=True)
a_ctx.assert_called_once_with(ctx_object)
self.assertEqual([mock.call(name=name, allow_hidden=True)
for name in ("b", "c", "d")],
mock_context_get_all.call_args_list)
@mock.patch("rally.task.context.Context.get_all")
def test_get_sorted_context_lst_fails(self, mock_context_get_all):
ctx_object = {"config": {"foo": "bar"},
"scenario_namespace": "foo"}
mock_context_get_all.return_value = []
manager = context.ContextManager(ctx_object)
self.assertRaises(exceptions.PluginNotFound,
manager._get_sorted_context_lst)
mock_context_get_all.assert_called_once_with(name="foo",
allow_hidden=True)
@mock.patch("rally.task.context.Context.get")
def test_cleanup(self, mock_context_get):
mock_context = mock.MagicMock()
mock_context.return_value = mock.MagicMock(__lt__=lambda x, y: True)
mock_context_get.return_value = mock_context
ctx_object = {"config": {"a@foo": [], "b@foo": []}}
manager = context.ContextManager(ctx_object)
manager.cleanup()
mock_context_get.assert_has_calls(
[mock.call("a", namespace="foo", allow_hidden=True,
fallback_to_default=False),
mock.call("b", namespace="foo", allow_hidden=True,
fallback_to_default=False)],
any_order=True)
mock_context.assert_has_calls(
[mock.call(ctx_object), mock.call(ctx_object)], any_order=True)
mock_context.return_value.assert_has_calls(
[mock.call.cleanup(), mock.call.cleanup()], any_order=True)
@mock.patch("rally.task.context.Context.get")
def test_cleanup_exception(self, mock_context_get):
mock_context = mock.MagicMock()
mock_context.return_value = mock.MagicMock(__lt__=lambda x, y: True)
mock_context.cleanup.side_effect = Exception()
mock_context_get.return_value = mock_context
ctx_object = {"config": {"a@foo": [], "b@foo": []}}
manager = context.ContextManager(ctx_object)
manager.cleanup()
mock_context_get.assert_has_calls(
[mock.call("a", namespace="foo", allow_hidden=True,
fallback_to_default=False),
mock.call("b", namespace="foo", allow_hidden=True,
fallback_to_default=False)],
any_order=True)
mock_context.assert_has_calls(
[mock.call(ctx_object), mock.call(ctx_object)], any_order=True)
mock_context.return_value.assert_has_calls(
[mock.call.cleanup(), mock.call.cleanup()], any_order=True)
@mock.patch("rally.task.context.ContextManager.cleanup")
@mock.patch("rally.task.context.ContextManager.setup")
def test_with_statement(
self, mock_context_manager_setup, mock_context_manager_cleanup):
with context.ContextManager(mock.MagicMock()):
mock_context_manager_setup.assert_called_once_with()
mock_context_manager_setup.reset_mock()
self.assertFalse(mock_context_manager_cleanup.called)
self.assertFalse(mock_context_manager_setup.called)
mock_context_manager_cleanup.assert_called_once_with()
@mock.patch("rally.task.context.ContextManager.cleanup")
@mock.patch("rally.task.context.ContextManager.setup")
def test_with_statement_exception_during_setup(
self, mock_context_manager_setup, mock_context_manager_cleanup):
mock_context_manager_setup.side_effect = Exception("abcdef")
try:
with context.ContextManager(mock.MagicMock()):
pass
except Exception:
pass
finally:
mock_context_manager_setup.assert_called_once_with()
mock_context_manager_cleanup.assert_called_once_with()