async def test_rewind_works_under_200_and_200_http_codes(binding_string):
"""Tests that the rewind API works as expected under 'successful' http codes: 200, 202"""
client = DurableOrchestrationClient(binding_string)
for code in [200, 202]:
mock_request = MockRequest(
expected_url=f"{RPC_BASE_URL}instances/{INSTANCE_ID}/rewind?reason={REASON}",
response=[code, ""])
client._post_async_request = mock_request.post
result = await client.rewind(INSTANCE_ID, REASON)
assert result is None
async def test_post_500_terminate(binding_string):
raw_reason = 'stuff and things'
reason = 'stuff%20and%20things'
mock_request = MockRequest(
expected_url=f"{RPC_BASE_URL}instances/{TEST_INSTANCE_ID}/terminate?reason={reason}",
response=[500, MESSAGE_500])
client = DurableOrchestrationClient(binding_string)
client._post_async_request = mock_request.post
with pytest.raises(Exception):
await client.terminate(TEST_INSTANCE_ID, raw_reason)
async def test_post_410_terminate(binding_string):
raw_reason = 'stuff and things'
reason = 'stuff%20and%20things'
mock_request = MockRequest(
expected_url=f"{RPC_BASE_URL}instances/{TEST_INSTANCE_ID}/terminate?reason={reason}",
response=[410, None])
client = DurableOrchestrationClient(binding_string)
client._post_async_request = mock_request.post
result = await client.terminate(TEST_INSTANCE_ID, raw_reason)
assert result is None
async def test_rewind_with_no_rpc_endpoint(binding_string):
"""Tests the behaviour of rewind without an RPC endpoint / under the legacy HTTP endpoint."""
client = DurableOrchestrationClient(binding_string)
mock_request = MockRequest(
expected_url=f"{RPC_BASE_URL}instances/{INSTANCE_ID}/rewind?reason={REASON}",
response=[-1, ""])
client._post_async_request = mock_request.post
client._orchestration_bindings._rpc_base_url = None
expected_exception_str = "The Python SDK only supports RPC endpoints."\
+ "Please remove the `localRpcEnabled` setting from host.json"
with pytest.raises(Exception) as ex:
await client.rewind(INSTANCE_ID, REASON)
ex_message = str(ex.value)
assert ex_message == expected_exception_str
async def test_start_new_orchestrator_not_found(binding_string):
"""Test that we throw the right exception when the orchestrator is not found.
"""
status = dict(ExceptionMessage=EXCEPTION_ORCHESTRATOR_NOT_FOUND_EXMESSAGE,
StackTrace=STACK_TRACE,
Message=EXCEPTION_ORCHESTRATOR_NOT_FOUND_MESSAGE,
ExceptionType=EXCEPTION_TYPE_ORCHESTRATOR_NOT_FOUND)
mock_request = MockRequest(expected_url=f"{RPC_BASE_URL}orchestrators/{TEST_ORCHESTRATOR}",
response=[400, status])
client = DurableOrchestrationClient(binding_string)
client._post_async_request = mock_request.post
with pytest.raises(Exception) as ex:
await client.start_new(TEST_ORCHESTRATOR)
ex.match(EXCEPTION_ORCHESTRATOR_NOT_FOUND_EXMESSAGE)
async def test_rewind_throws_exception_during_404_410_and_500_errors(binding_string):
"""Tests the behaviour of rewind under 'exception' http codes: 404, 410, 500"""
client = DurableOrchestrationClient(binding_string)
codes = [404, 410, 500]
exception_strs = [
f"No instance with ID {INSTANCE_ID} found.",
"The rewind operation is only supported on failed orchestration instances.",
"Something went wrong"
]
for http_code, expected_exception_str in zip(codes, exception_strs):
mock_request = MockRequest(
expected_url=f"{RPC_BASE_URL}instances/{INSTANCE_ID}/rewind?reason={REASON}",
response=[http_code, "Something went wrong"])
client._post_async_request = mock_request.post
with pytest.raises(Exception) as ex:
await client.rewind(INSTANCE_ID, REASON)
ex_message = str(ex.value)
assert ex_message == expected_exception_str
