KaneAI - World’s First E2E Software Testing Agent.Book a Demo Join TestMu Conference

How to use _check_changeset_available method in localstack

Best Python code snippet using localstack_python

test_cloudformation_changesets.py

Source:test_cloudformation_changesets.py

...399        Capabilities=["CAPABILITY_AUTO_EXPAND", "CAPABILITY_IAM", "CAPABILITY_NAMED_IAM"],400        ChangeSetType="CREATE",401    )402    snapshot.match("first_changeset", first_changeset)403    def _check_changeset_available():404        status = cfn_client.describe_change_set(405            StackName=stack_name, ChangeSetName=first_changeset["Id"]406        )["Status"]407        if status == "FAILED":408            raise ShortCircuitWaitException("Change set in unrecoverable status")409        return status == "CREATE_COMPLETE"410    assert wait_until(_check_changeset_available)411    describe_first_cs = cfn_client.describe_change_set(412        StackName=stack_name, ChangeSetName=first_changeset["Id"]413    )414    snapshot.match("describe_first_cs", describe_first_cs)415    assert describe_first_cs["ExecutionStatus"] == "AVAILABLE"416    cfn_client.execute_change_set(StackName=stack_name, ChangeSetName=first_changeset["Id"])417    def _check_changeset_success():418        status = cfn_client.describe_change_set(419            StackName=stack_name, ChangeSetName=first_changeset["Id"]420        )["ExecutionStatus"]421        if status in ["EXECUTE_FAILED", "UNAVAILABLE", "OBSOLETE"]:422            raise ShortCircuitWaitException("Change set in unrecoverable status")423        return status == "EXECUTE_COMPLETE"424    assert wait_until(_check_changeset_success)425    # 2. create a new change set without changes426    nochange_changeset = cfn_client.create_change_set(427        StackName=stack_name,428        ChangeSetName=change_set_name_nochange,429        TemplateBody=template,430        Capabilities=["CAPABILITY_AUTO_EXPAND", "CAPABILITY_IAM", "CAPABILITY_NAMED_IAM"],431        ChangeSetType="UPDATE",432    )433    snapshot.match("nochange_changeset", nochange_changeset)434    describe_nochange = cfn_client.describe_change_set(435        StackName=stack_name, ChangeSetName=nochange_changeset["Id"]436    )437    snapshot.match("describe_nochange", describe_nochange)438    assert describe_nochange["ExecutionStatus"] == "UNAVAILABLE"439    # 3. try to execute the unavailable change set440    with pytest.raises(cfn_client.exceptions.InvalidChangeSetStatusException) as e:441        cfn_client.execute_change_set(StackName=stack_name, ChangeSetName=nochange_changeset["Id"])442    snapshot.match("error_execute_failed", e.value)443@pytest.mark.aws_validated444def test_deleted_changeset(cfn_client, snapshot, cleanups):445    """simple case verifying that proper exception is thrown when trying to get a deleted changeset"""446    snapshot.add_transformer(snapshot.transform.cloudformation_api())447    changeset_name = f"changeset-{short_uid()}"448    stack_name = f"stack-{short_uid()}"449    cleanups.append(lambda: cfn_client.delete_stack(StackName=stack_name))450    snapshot.add_transformer(snapshot.transform.regex(stack_name, "<stack-name>"))451    template_path = os.path.join(os.path.dirname(__file__), "../templates/cdkmetadata.yaml")452    template = load_template_file(template_path)453    # 1. create change set454    create = cfn_client.create_change_set(455        ChangeSetName=changeset_name,456        StackName=stack_name,457        TemplateBody=template,458        Capabilities=["CAPABILITY_AUTO_EXPAND", "CAPABILITY_IAM", "CAPABILITY_NAMED_IAM"],459        ChangeSetType="CREATE",460    )461    snapshot.match("create", create)462    changeset_id = create["Id"]463    def _check_changeset_available():464        status = cfn_client.describe_change_set(StackName=stack_name, ChangeSetName=changeset_id)[465            "Status"466        ]467        if status == "FAILED":468            raise ShortCircuitWaitException("Change set in unrecoverable status")469        return status == "CREATE_COMPLETE"470    assert wait_until(_check_changeset_available)471    # 2. delete change set472    cfn_client.delete_change_set(ChangeSetName=changeset_id, StackName=stack_name)473    with pytest.raises(cfn_client.exceptions.ChangeSetNotFoundException) as e:474        cfn_client.describe_change_set(StackName=stack_name, ChangeSetName=changeset_id)...

Automation Testing Tutorials

Learn to execute automation testing from scratch with LambdaTest Learning Hub. Right from setting up the prerequisites to run your first automation test, to following best practices and diving deeper into advanced test scenarios. LambdaTest Learning Hubs compile a list of step-by-step guides to help you be proficient with different test automation frameworks i.e. Selenium, Cypress, TestNG etc.