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How to use _resolve_refs_in_template method in localstack

Best Python code snippet using localstack_python

test_cloudformation.py

Source:test_cloudformation.py

...21                "/invocations",22            ],23        ]24    }25    result = _resolve_refs_in_template(ref)26    pattern = r"arn:aws:apigateway:.*:lambda:path/2015-03-31/functions/test:lambda:arn/invocations"27    assert re.match(pattern, result)28def test_sub_numeric_value():29    template = {"test": {"Sub": "${TestNumValue}"}}30    result = _resolve_refs_in_template(template, stack_params={"TestNumValue": 1234})31    assert result == {"test": "1234"}32def test_is_local_service_url():33    local_urls = [34        "http://localhost",35        "https://localhost",36        "http://localhost:4566",37        "https://localhost:4566",38        "http://localhost.localstack.cloud:4566",39        "https://s3.localhost.localstack.cloud",40        "http://mybucket.s3.localhost.localstack.cloud:4566",41        "https://mybucket.s3.localhost",42    ]43    remote_urls = [44        "https://mybucket.s3.amazonaws.com",45        "http://mybucket.s3.us-east-1.amazonaws.com",46    ]47    for url in local_urls:48        assert template_preparer.is_local_service_url(url)49    for url in remote_urls:50        assert not template_preparer.is_local_service_url(url)51def test_apply_substitutions():52    blubstr = "something ${foo} and ${test} + ${foo}"53    subs = {"foo": "bar", "test": "resolved"}54    assert _apply_substitutions(blubstr, subs) == "something bar and resolved + bar"55def test_remove_none_values():56    template = {57        "Properties": {58            "prop1": 123,59            "nested": {"test1": PLACEHOLDER_AWS_NO_VALUE, "test2": None},60            "list": [1, 2, PLACEHOLDER_AWS_NO_VALUE, 3, None],61        }62    }63    result = remove_none_values(template)64    assert result == {"Properties": {"prop1": 123, "nested": {}, "list": [1, 2, 3]}}65def _resolve_refs_in_template(template, stack_params: Dict = None):66    stack = Stack({"StackName": "test"})67    stack.stack_parameters()68    stack_params = stack_params or {}69    stack_params = [{"ParameterKey": k, "ParameterValue": v} for k, v in stack_params.items()]70    stack.metadata["Parameters"].extend(stack_params)...

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