import json


def test_safe_load_json():
    from AWS_DynamoDB import safe_load_json

    sample_dict = {
        "glossary": {
            "title": "example glossary",
            "GlossDiv": {
                "title": "S",
                "GlossList": {
                    "GlossEntry": {
                        "ID": "SGML",
                        "SortAs": "SGML",
                        "GlossTerm": "Standard Generalized Markup Language",
                        "Acronym": "SGML",
                        "Abbrev": "ISO 8879:1986",
                        "GlossDef": {
                            "para": "A meta-markup language, used to create markup languages such as DocBook.",
                            "GlossSeeAlso": ["GML", "XML"],
                        },
                        "GlossSee": "markup",
                    }
                },
            },
        }
    }
    sample_json = json.dumps(sample_dict)
    test_result = safe_load_json(sample_json)

    assert isinstance(test_result, dict)


def test_remove_empty_elements():
    from AWS_DynamoDB import remove_empty_elements

    empty_dict = {}
    sample_dict = {"foo": None}
    empty_dict_result = remove_empty_elements(sample_dict)
    assert empty_dict_result == empty_dict


def test_parse_tag_field():
    from AWS_DynamoDB import parse_tag_field

    sample_tag_string = "key=foo,value=bar;key=baz,value=qux"
    tags = parse_tag_field(sample_tag_string)
    expected_result = [{"Key": "foo", "Value": "bar"}, {"Key": "baz", "Value": "qux"}]
    assert tags == expected_result