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# Licensed to the Apache Software Foundation (ASF) under one or more
# contributor license agreements. See the NOTICE file distributed with
# this work for additional information regarding copyright ownership.
# The ASF licenses this file to You 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 os
import time
import sys
import subprocess
import StringIO
import pytest
from aria.orchestrator.execution_plugin import ctx_proxy
class TestCtxProxy(object):
def test_attribute_access(self, server):
response = self.request(server, 'stub_attr', 'some_property')
assert response == 'some_value'
def test_sugared_attribute_access(self, server):
response = self.request(server, 'stub-attr', 'some-property')
assert response == 'some_value'
def test_dict_prop_access_get_key(self, server):
response = self.request(server, 'node', 'properties', 'prop1')
assert response == 'value1'
def test_dict_prop_access_get_key_nested(self, server):
response = self.request(server, 'node', 'properties', 'prop2', 'nested_prop1')
assert response == 'nested_value1'
def test_dict_prop_access_get_with_list_index(self, server):
response = self.request(server, 'node', 'properties', 'prop3', 2, 'value')
assert response == 'value_2'
def test_dict_prop_access_set(self, server, ctx):
self.request(server, 'node', 'properties', 'prop4', 'key', '=', 'new_value')
self.request(server, 'node', 'properties', 'prop3', 2, 'value', '=', 'new_value_2')
self.request(server, 'node', 'properties', 'prop4', 'some', 'new', 'path', '=',
'some_new_value')
assert ctx.node.properties['prop4']['key'] == 'new_value'
assert ctx.node.properties['prop3'][2]['value'] == 'new_value_2'
assert ctx.node.properties['prop4']['some']['new']['path'] == 'some_new_value'
def test_dict_prop_access_set_with_list_index(self, server, ctx):
self.request(server, 'node', 'properties', 'prop3', 2, '=', 'new_value')
assert ctx.node.properties['prop3'][2] == 'new_value'
def test_illegal_dict_access(self, server):
self.request(server, 'node', 'properties', 'prop4', 'key', '=', 'new_value')
with pytest.raises(RuntimeError):
self.request(server, 'node', 'properties', 'prop4', 'key', '=', 'new_value', 'what')
def test_method_invocation(self, server):
args = ['[', 'arg1', 'arg2', 'arg3', ']']
response_args = self.request(server, 'stub-method', *args)
assert response_args == args[1:-1]
def test_method_invocation_no_args(self, server):
response = self.request(server, 'stub-method', '[', ']')
assert response == []
def test_method_return_value(self, server, ctx):
response_args = self.request(server, 'node', 'get_prop', '[', 'prop2', ']', 'nested_prop1')
assert response_args == 'nested_value1'
def test_method_return_value_set(self, server, ctx):
self.request(
server, 'node', 'get_prop', '[', 'prop2', ']', 'nested_prop1', '=', 'new_value')
assert ctx.node.properties['prop2']['nested_prop1'] == 'new_value'
def test_empty_return_value(self, server):
response = self.request(server, 'stub_none')
assert response is None
def test_client_request_timeout(self, server):
with pytest.raises(IOError):
ctx_proxy.client._client_request(server.socket_url,
args=['stub-sleep', '[', '0.5', ']'],
timeout=0.1)
def test_processing_exception(self, server):
with pytest.raises(ctx_proxy.client._RequestError):
self.request(server, 'property_that_does_not_exist')
def test_not_json_serializable(self, server):
with pytest.raises(ctx_proxy.client._RequestError):
self.request(server, 'logger')
def test_no_string_arg(self, server):
args = ['[', 1, 2, ']']
response = self.request(server, 'stub_method', *args)
assert response == args[1:-1]
class StubAttribute(object):
some_property = 'some_value'
class NodeAttribute(object):
def __init__(self, properties):
self.properties = properties
def get_prop(self, name):
return self.properties[name]
@staticmethod
def stub_method(*args):
return args
@staticmethod
def stub_sleep(seconds):
time.sleep(float(seconds))
@staticmethod
def stub_args(arg1, arg2, arg3='arg3', arg4='arg4', *args, **kwargs):
return dict(
arg1=arg1,
arg2=arg2,
arg3=arg3,
arg4=arg4,
args=args,
kwargs=kwargs)
@pytest.fixture
def ctx(self, mocker):
class MockCtx(object):
INSTRUMENTATION_FIELDS = ()
ctx = MockCtx()
properties = {
'prop1': 'value1',
'prop2': {
'nested_prop1': 'nested_value1'
},
'prop3': [
{'index': 0, 'value': 'value_0'},
{'index': 1, 'value': 'value_1'},
{'index': 2, 'value': 'value_2'}
],
'prop4': {
'key': 'value'
}
}
ctx.stub_none = None
ctx.stub_method = TestCtxProxy.stub_method
ctx.stub_sleep = TestCtxProxy.stub_sleep
ctx.stub_args = TestCtxProxy.stub_args
ctx.stub_attr = TestCtxProxy.StubAttribute()
ctx.node = TestCtxProxy.NodeAttribute(properties)
ctx.model = mocker.MagicMock()
return ctx
@pytest.fixture
def server(self, ctx):
result = ctx_proxy.server.CtxProxy(ctx)
result._close_session = lambda *args, **kwargs: {}
yield result
result.close()
def request(self, server, *args):
return ctx_proxy.client._client_request(server.socket_url, args, timeout=5)
class TestArgumentParsing(object):
def test_socket_url_arg(self):
self.expected.update(dict(socket_url='sock_url'))
ctx_proxy.client.main(['--socket-url', self.expected.get('socket_url')])
def test_socket_url_env(self):
expected_socket_url = 'env_sock_url'
os.environ['CTX_SOCKET_URL'] = expected_socket_url
self.expected.update(dict(socket_url=expected_socket_url))
ctx_proxy.client.main([])
def test_socket_url_missing(self):
del os.environ['CTX_SOCKET_URL']
with pytest.raises(RuntimeError):
ctx_proxy.client.main([])
def test_args(self):
self.expected.update(dict(args=['1', '2', '3']))
ctx_proxy.client.main(self.expected.get('args'))
def test_timeout(self):
self.expected.update(dict(timeout='10'))
ctx_proxy.client.main(['--timeout', self.expected.get('timeout')])
self.expected.update(dict(timeout='15'))
ctx_proxy.client.main(['-t', self.expected.get('timeout')])
def test_mixed_order(self):
self.expected.update(dict(
args=['1', '2', '3'], timeout='20', socket_url='mixed_socket_url'))
ctx_proxy.client.main(
['-t', self.expected.get('timeout')] +
['--socket-url', self.expected.get('socket_url')] +
self.expected.get('args'))
ctx_proxy.client.main(
['-t', self.expected.get('timeout')] +
self.expected.get('args') +
['--socket-url', self.expected.get('socket_url')])
ctx_proxy.client.main(
self.expected.get('args') +
['-t', self.expected.get('timeout')] +
['--socket-url', self.expected.get('socket_url')])
def test_json_args(self):
args = ['@1', '@[1,2,3]', '@{"key":"value"}']
expected_args = [1, [1, 2, 3], {'key': 'value'}]
self.expected.update(dict(args=expected_args))
ctx_proxy.client.main(args)
def test_json_arg_prefix(self):
args = ['_1', '@1']
expected_args = [1, '@1']
self.expected.update(dict(args=expected_args))
ctx_proxy.client.main(args + ['--json-arg-prefix', '_'])
def test_json_output(self):
self.assert_valid_output('string', 'string', '"string"')
self.assert_valid_output(1, '1', '1')
self.assert_valid_output([1, '2'], "[1, '2']", '[1, "2"]')
self.assert_valid_output({'key': 1},
"{'key': 1}",
'{"key": 1}')
self.assert_valid_output(False, 'False', 'false')
self.assert_valid_output(True, 'True', 'true')
self.assert_valid_output([], '[]', '[]')
self.assert_valid_output({}, '{}', '{}')
def assert_valid_output(self, response, ex_typed_output, ex_json_output):
self.mock_response = response
current_stdout = sys.stdout
def run(args, expected):
output = StringIO.StringIO()
sys.stdout = output
ctx_proxy.client.main(args)
assert output.getvalue() == expected
try:
run([], ex_typed_output)
run(['-j'], ex_json_output)
run(['--json-output'], ex_json_output)
finally:
sys.stdout = current_stdout
def mock_client_request(self, socket_url, args, timeout):
assert socket_url == self.expected.get('socket_url')
assert args == self.expected.get('args')
assert timeout == int(self.expected.get('timeout'))
return self.mock_response
@pytest.fixture(autouse=True)
def patch_client_request(self, mocker):
mocker.patch.object(ctx_proxy.client,
ctx_proxy.client._client_request.__name__,
self.mock_client_request)
mocker.patch.dict('os.environ', {'CTX_SOCKET_URL': 'stub'})
@pytest.fixture(autouse=True)
def defaults(self):
self.expected = dict(args=[], timeout=30, socket_url='stub')
self.mock_response = None
class TestCtxEntryPoint(object):
def test_ctx_in_path(self):
p = subprocess.Popen(['ctx', '--help'],
stdout=subprocess.PIPE,
stderr=subprocess.PIPE)
p.communicate()
assert not p.wait()
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