def test_simple_choice_new_3_3():
test = StateMachine(
Comment=
"This is a simple state machine with a single choice and three end states."
)
result_a = Task(
"ResultA",
Resource="arn:aws:lambda:us-east-1:123456789012:function:A").end()
result_b1 = test.add_state(
Task("ResultB1",
Resource="arn:aws:lambda:us-east-1:123456789012:function:B1"))
result_b1.then(
Task("ResultB2",
Resource="arn:aws:lambda:us-east-1:123456789012:function:B2").end(
))
unknown = Fail("Unknown", Error="Unhandled Case", Cause="Unknown Value")
decision = test.start_with(Choice("TheBeginning"))
decision.if_(VariablePath("$.value") == "A").then(result_a)
decision.if_(VariablePath("$.value") == "B").then(result_b1)
decision.else_(unknown)
expected = state_machine_body("simple-choice")
actual = test.to_dict()
assert actual == expected
def build() -> StateMachine:
workflow = StateMachine(
Comment=
"This is a simple state machine with a single choice and three end states."
)
decision = workflow.start_with(Choice("TheBeginning"))
decision.if_(VariablePath("$.value") == "A").then(
Task("ResultA",
Resource="arn:aws:lambda:us-east-1:123456789012:function:A")).end(
)
decision.if_(VariablePath("$.value") == "B").then(
Task("ResultB1",
Resource="arn:aws:lambda:us-east-1:123456789012:function:B1")
).then(
Task("ResultB2",
Resource="arn:aws:lambda:us-east-1:123456789012:function:B2")
).end()
decision.else_(
Fail("Unknown", Error="Unhandled Case", Cause="Unknown Value"))
return workflow
def test_and_many_rule_good_with_variable_1():
var = VariablePath("$.value")
test = all_(var < 30, var > 20, var != 22, var != 27)
# TODO: Change this to use ChoiceRule.then() once they can exist outside of a parent
test.Next = "NextState"
_load_and_test_vector(kind="and", name="Many", value=test)
def test_and_rule_good_with_variable():
var = VariablePath("$.value")
test = And(Rules=[var < 30, var > 20])
# TODO: Change this to use ChoiceRule.then() once they can exist outside of a parent
test.Next = "NextState"
_load_and_test_vector(kind="and", name="Simple", value=test)
def test_not_rule_good_with_variable():
var = VariablePath("$.value")
test = var != "Lorem ipsum dolor sit amet"
# TODO: Change this to use ChoiceRule.then() once they can exist outside of a parent
test.Next = "NextState"
_load_and_test_vector(kind="not", name="Simple", value=test)
def test_accretion_builder_new_1():
parse_requirements = Task("ParseRequirements",
Resource=PARSE_REQUIREMENTS_RESOURCE)
build_python = Parallel("BuildPython", ResultPath="$.BuildResults")
build_python_36 = build_python.add_branch()
build_python_36.start_with(
Task("BuildPython36", Resource=BUILD_PYTHON_36_RESOURCE)).end()
build_python_37 = build_python.add_branch()
build_python_37.start_with(
Task("BuildPython37", Resource=BUILD_PYTHON_37_RESOURCE)).end()
unknown_language = Fail("UnknownLanguage", Cause="Invalid language")
test = StateMachine(Comment="Artifact Builder")
select_language = test.start_with(parse_requirements).then(
Choice("SelectLanguage"))
# TODO: Auto-add children to parent if they were added before the choice was added to parent
# TODO: Add Choice.elseif_() ?
select_language.if_(
VariablePath("$.Language") == "python").then(build_python)
select_language.else_(unknown_language)
build_python.end()
compare_state_machine("accretion_builder", test)
def test_or_rule_good_with_variable_1():
var = VariablePath("$.value")
test = any_(var < 20, var > 30)
# TODO: Change this to use ChoiceRule.then() once they can exist outside of a parent
test.Next = "NextState"
_load_and_test_vector(kind="or", name="Simple", value=test)
def test_accretion_listener_new_1():
test = StateMachine(Comment="Replication Listener")
event_filter = test.start_with(
Task("Filter", Resource=EVENT_FILTER_RESOURCE, ResultPath="$"))
skip_check = event_filter.then(Choice("ShouldProcess"))
skip_check.else_(Succeed("IgnoreEvent", Comment="Ignore this event"))
locate_artifact = skip_check.if_(
VariablePath("$.ProcessEvent") == True).then(
Task("LocateArtifact",
Resource=ARTIFACT_LOCATOR_RESOURCE,
ResultPath="$.Artifact"))
artifact_check = locate_artifact.then(Choice("ArtifactCheck"))
publisher = artifact_check.if_(
VariablePath("$.Artifact.Found") == True).then(
Task("PublishNewVersion",
Resource=LAYER_VERSION_PUBLISHER_RESOURCE,
ResultPath="$.Layer"))
publisher.then(
Task(
"Notify",
Resource="arn:aws:states:::sns:publish",
Parameters=Parameters(TopicArn=NOTIFY_TOPIC,
Message=JsonPath("$.Layer")),
)).end()
artifact_check.if_(
all_(
VariablePath("$.Artifact.Found") == False,
VariablePath("$.Artifact.ReadAttempts") > 15)).then(
Fail("ReplicationTimeout",
Error="Timed out waiting for artifact to replicate"))
waiter = artifact_check.else_(Wait("WaitForReplication", Seconds=60))
waiter.then(locate_artifact)
compare_state_machine("accretion_listener", test)
def test_timestamp_good_with_variable(name, op, value):
test = op(VariablePath("$.value"), value)
# TODO: Change this to use ChoiceRule.then() once they can exist outside of a parent
test.Next = "NextState"
_load_and_test_vector(kind="timestamp", name=name, value=test)
from rhodes.choice_rules import VariablePath
from rhodes.structures import JsonPath
pytestmark = [pytest.mark.local, pytest.mark.functional]
RAW_PATH = "$.path.to.value"
class MyEnum(Enum):
MY_PATH = RAW_PATH
@pytest.mark.parametrize(
"path_value",
(
pytest.param(RAW_PATH, id="string"),
pytest.param(MyEnum.MY_PATH, id="enum"),
pytest.param(jsonpath_rw.parse(RAW_PATH), id="jsonpath_rw.JSONPath"),
pytest.param(JsonPath(RAW_PATH), id="JsonPath"),
pytest.param(VariablePath(RAW_PATH), id="VariablePath"),
),
)
def test_convert_to_json_path(path_value):
expected = JsonPath(RAW_PATH)
test = convert_to_json_path(path_value)
# must be expected == test here because of VariablePath
assert expected.path == test.path
