202 lines
8.9 KiB
Python
202 lines
8.9 KiB
Python
from __future__ import unicode_literals
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import boto3
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import json
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import sure # noqa
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from botocore.exceptions import ClientError
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import pytest
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from moto import mock_cloudformation, mock_stepfunctions
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@mock_stepfunctions
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@mock_cloudformation
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def test_state_machine_cloudformation():
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sf = boto3.client("stepfunctions", region_name="us-east-1")
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cf = boto3.resource("cloudformation", region_name="us-east-1")
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definition = '{"StartAt": "HelloWorld", "States": {"HelloWorld": {"Type": "Task", "Resource": "arn:aws:lambda:us-east-1:111122223333;:function:HelloFunction", "End": true}}}'
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role_arn = (
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"arn:aws:iam::111122223333:role/service-role/StatesExecutionRole-us-east-1;"
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)
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template = {
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"AWSTemplateFormatVersion": "2010-09-09",
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"Description": "An example template for a Step Functions state machine.",
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"Resources": {
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"MyStateMachine": {
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"Type": "AWS::StepFunctions::StateMachine",
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"Properties": {
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"StateMachineName": "HelloWorld-StateMachine",
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"StateMachineType": "STANDARD",
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"DefinitionString": definition,
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"RoleArn": role_arn,
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"Tags": [
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{"Key": "key1", "Value": "value1"},
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{"Key": "key2", "Value": "value2"},
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],
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},
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}
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},
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"Outputs": {
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"StateMachineArn": {"Value": {"Ref": "MyStateMachine"}},
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"StateMachineName": {"Value": {"Fn::GetAtt": ["MyStateMachine", "Name"]}},
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},
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}
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cf.create_stack(StackName="test_stack", TemplateBody=json.dumps(template))
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outputs_list = cf.Stack("test_stack").outputs
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output = {item["OutputKey"]: item["OutputValue"] for item in outputs_list}
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state_machine = sf.describe_state_machine(stateMachineArn=output["StateMachineArn"])
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state_machine["stateMachineArn"].should.equal(output["StateMachineArn"])
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state_machine["name"].should.equal(output["StateMachineName"])
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state_machine["roleArn"].should.equal(role_arn)
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state_machine["definition"].should.equal(definition)
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tags = sf.list_tags_for_resource(resourceArn=output["StateMachineArn"]).get("tags")
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for i, tag in enumerate(tags, 1):
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tag["key"].should.equal("key{}".format(i))
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tag["value"].should.equal("value{}".format(i))
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cf.Stack("test_stack").delete()
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with pytest.raises(ClientError) as ex:
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sf.describe_state_machine(stateMachineArn=output["StateMachineArn"])
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ex.value.response["Error"]["Code"].should.equal("StateMachineDoesNotExist")
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ex.value.response["Error"]["Message"].should.contain("Does Not Exist")
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@mock_stepfunctions
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@mock_cloudformation
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def test_state_machine_cloudformation_update_with_replacement():
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sf = boto3.client("stepfunctions", region_name="us-east-1")
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cf = boto3.resource("cloudformation", region_name="us-east-1")
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definition = '{"StartAt": "HelloWorld", "States": {"HelloWorld": {"Type": "Task", "Resource": "arn:aws:lambda:us-east-1:111122223333;:function:HelloFunction", "End": true}}}'
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role_arn = (
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"arn:aws:iam::111122223333:role/service-role/StatesExecutionRole-us-east-1"
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)
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properties = {
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"StateMachineName": "HelloWorld-StateMachine",
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"DefinitionString": definition,
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"RoleArn": role_arn,
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"Tags": [
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{"Key": "key1", "Value": "value1"},
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{"Key": "key2", "Value": "value2"},
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],
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}
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template = {
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"AWSTemplateFormatVersion": "2010-09-09",
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"Description": "An example template for a Step Functions state machine.",
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"Resources": {
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"MyStateMachine": {
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"Type": "AWS::StepFunctions::StateMachine",
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"Properties": {},
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}
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},
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"Outputs": {
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"StateMachineArn": {"Value": {"Ref": "MyStateMachine"}},
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"StateMachineName": {"Value": {"Fn::GetAtt": ["MyStateMachine", "Name"]}},
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},
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}
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template["Resources"]["MyStateMachine"]["Properties"] = properties
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cf.create_stack(StackName="test_stack", TemplateBody=json.dumps(template))
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outputs_list = cf.Stack("test_stack").outputs
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output = {item["OutputKey"]: item["OutputValue"] for item in outputs_list}
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state_machine = sf.describe_state_machine(stateMachineArn=output["StateMachineArn"])
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original_machine_arn = state_machine["stateMachineArn"]
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original_creation_date = state_machine["creationDate"]
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# Update State Machine, with replacement.
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updated_role = role_arn + "-updated"
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updated_definition = definition.replace("HelloWorld", "HelloWorld2")
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updated_properties = {
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"StateMachineName": "New-StateMachine-Name",
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"DefinitionString": updated_definition,
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"RoleArn": updated_role,
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"Tags": [
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{"Key": "key3", "Value": "value3"},
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{"Key": "key1", "Value": "updated_value"},
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],
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}
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template["Resources"]["MyStateMachine"]["Properties"] = updated_properties
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cf.Stack("test_stack").update(TemplateBody=json.dumps(template))
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outputs_list = cf.Stack("test_stack").outputs
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output = {item["OutputKey"]: item["OutputValue"] for item in outputs_list}
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state_machine = sf.describe_state_machine(stateMachineArn=output["StateMachineArn"])
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state_machine["stateMachineArn"].should_not.equal(original_machine_arn)
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state_machine["name"].should.equal("New-StateMachine-Name")
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state_machine["creationDate"].should.be.greater_than(original_creation_date)
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state_machine["roleArn"].should.equal(updated_role)
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state_machine["definition"].should.equal(updated_definition)
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tags = sf.list_tags_for_resource(resourceArn=output["StateMachineArn"]).get("tags")
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tags.should.have.length_of(3)
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for tag in tags:
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if tag["key"] == "key1":
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tag["value"].should.equal("updated_value")
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with pytest.raises(ClientError) as ex:
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sf.describe_state_machine(stateMachineArn=original_machine_arn)
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ex.value.response["Error"]["Code"].should.equal("StateMachineDoesNotExist")
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ex.value.response["Error"]["Message"].should.contain("State Machine Does Not Exist")
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@mock_stepfunctions
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@mock_cloudformation
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def test_state_machine_cloudformation_update_with_no_interruption():
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sf = boto3.client("stepfunctions", region_name="us-east-1")
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cf = boto3.resource("cloudformation", region_name="us-east-1")
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definition = '{"StartAt": "HelloWorld", "States": {"HelloWorld": {"Type": "Task", "Resource": "arn:aws:lambda:us-east-1:111122223333;:function:HelloFunction", "End": true}}}'
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role_arn = (
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"arn:aws:iam::111122223333:role/service-role/StatesExecutionRole-us-east-1"
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)
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properties = {
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"StateMachineName": "HelloWorld-StateMachine",
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"DefinitionString": definition,
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"RoleArn": role_arn,
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"Tags": [
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{"Key": "key1", "Value": "value1"},
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{"Key": "key2", "Value": "value2"},
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],
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}
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template = {
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"AWSTemplateFormatVersion": "2010-09-09",
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"Description": "An example template for a Step Functions state machine.",
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"Resources": {
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"MyStateMachine": {
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"Type": "AWS::StepFunctions::StateMachine",
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"Properties": {},
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}
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},
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"Outputs": {
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"StateMachineArn": {"Value": {"Ref": "MyStateMachine"}},
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"StateMachineName": {"Value": {"Fn::GetAtt": ["MyStateMachine", "Name"]}},
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},
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}
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template["Resources"]["MyStateMachine"]["Properties"] = properties
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cf.create_stack(StackName="test_stack", TemplateBody=json.dumps(template))
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outputs_list = cf.Stack("test_stack").outputs
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output = {item["OutputKey"]: item["OutputValue"] for item in outputs_list}
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state_machine = sf.describe_state_machine(stateMachineArn=output["StateMachineArn"])
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machine_arn = state_machine["stateMachineArn"]
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creation_date = state_machine["creationDate"]
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# Update State Machine in-place, no replacement.
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updated_role = role_arn + "-updated"
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updated_definition = definition.replace("HelloWorld", "HelloWorldUpdated")
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updated_properties = {
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"DefinitionString": updated_definition,
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"RoleArn": updated_role,
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"Tags": [
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{"Key": "key3", "Value": "value3"},
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{"Key": "key1", "Value": "updated_value"},
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],
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}
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template["Resources"]["MyStateMachine"]["Properties"] = updated_properties
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cf.Stack("test_stack").update(TemplateBody=json.dumps(template))
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state_machine = sf.describe_state_machine(stateMachineArn=machine_arn)
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state_machine["name"].should.equal("HelloWorld-StateMachine")
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state_machine["creationDate"].should.equal(creation_date)
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state_machine["roleArn"].should.equal(updated_role)
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state_machine["definition"].should.equal(updated_definition)
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tags = sf.list_tags_for_resource(resourceArn=machine_arn).get("tags")
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tags.should.have.length_of(3)
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for tag in tags:
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if tag["key"] == "key1":
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tag["value"].should.equal("updated_value")
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