json_string 0.1.14

Format JSON string so that `serde_json` can understand it.
Documentation 
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use crate::helpers::{content_str, json_context, rewrap_string};

use super::parse_json_string::parse_json_string;

pub fn prepare_json_string(original_str: &str) -> String {
    let trimmed_str = original_str
        .trim_matches([' ', '\n', '\t', ',', ';', ':'])
        .trim_start_matches("\\\\n")
        .trim_end_matches("\\\\n")
        .trim_start_matches("\\n")
        .trim_end_matches("\\n");

    let json_context = json_context(trimmed_str);

    let content_str = content_str(json_context.clone(), trimmed_str);

    let content_str = content_str
        .trim_matches([' ', '\n', '\t', ',', ';', ':'])
        .trim_start_matches("\\\\n")
        .trim_end_matches("\\\\n")
        .to_string();

    let parsed_json_string = parse_json_string(&content_str, json_context.clone());

    let rewrapped_string = rewrap_string(&parsed_json_string, json_context);

    rewrapped_string
}

#[cfg(test)]
mod tests {
    use crate::prepare_json_string;

    #[test]
    fn newline_chars1() {
        let original_str =
            r#"{\n\n"Description": \n"Battery pack interfaces 1, NB011-NB012 (UPS 1)", \n}"#;

        let prepared_str = prepare_json_string(original_str);

        let expected_str =
            r#"{"Description": "Battery pack interfaces 1, NB011-NB012 (UPS 1)"}"#.to_string();

        assert_eq!(prepared_str, expected_str);
    }

    #[test]
    fn newline_chars2() {
        let original_str =
            r#"{\\n\\n"Description": \\n"Battery pack interfaces 1, NB011-NB012 (UPS 1)", \\n}"#;

        let prepared_str = prepare_json_string(original_str);

        let expected_str =
            r#"{"Description": "Battery pack interfaces 1, NB011-NB012 (UPS 1)"}"#.to_string();

        assert_eq!(prepared_str, expected_str);
    }

    #[test]
    fn comma_inside_value() {
        let original_str = r#"{"Description": "Battery pack interfaces 1, NB011-NB012 (UPS 1)", }"#;

        let prepared_str = prepare_json_string(original_str);

        let expected_str =
            r#"{"Description": "Battery pack interfaces 1, NB011-NB012 (UPS 1)"}"#.to_string();

        assert_eq!(prepared_str, expected_str);
    }

    #[test]
    fn array_with_multiple_objects_and_semicolon_separator() {
        let original_str = r#"[
            {"Foo1":"BAR1", "Foo2":"BAR2", "Foo3":"BAR3"};
            {"Foo4":"BAR4", "Foo5":"BAR5", "Foo6":"BAR6"};
            {"Foo7":"BAR7", "Foo8":"BAR8", "Foo9":"BAR9"}
        ]"#;

        let prepared_str = prepare_json_string(original_str);

        let expected_str = r#"[{"Foo1": "BAR1", "Foo2": "BAR2", "Foo3": "BAR3"}, {"Foo4": "BAR4", "Foo5": "BAR5", "Foo6": "BAR6"}, {"Foo7": "BAR7", "Foo8": "BAR8", "Foo9": "BAR9"}]"#;

        assert_eq!(prepared_str, expected_str);
    }

    #[test]
    fn array_with_multiple_objects() {
        let original_str = r#"[
            {"Foo1":"BAR1", "Foo2":"BAR2", "Foo3":"BAR3"},
            {"Foo4":"BAR4", "Foo5":"BAR5", "Foo6":"BAR6"},
            {"Foo7":"BAR7", "Foo8":"BAR8", "Foo9":"BAR9"}
        ]"#;

        let prepared_str = prepare_json_string(original_str);

        let expected_str = r#"[{"Foo1": "BAR1", "Foo2": "BAR2", "Foo3": "BAR3"}, {"Foo4": "BAR4", "Foo5": "BAR5", "Foo6": "BAR6"}, {"Foo7": "BAR7", "Foo8": "BAR8", "Foo9": "BAR9"}]"#;

        assert_eq!(prepared_str, expected_str);
    }

    #[test]
    fn prepare_json_string_w_empty_groups() {
        let original_str = r#"
            [
                {"tag":"lol", "groups":[]}
            ]
        "#;
        let prepared_str = prepare_json_string(original_str);

        let expected_str = r#"[{"tag": "lol", "groups": []}]"#;

        assert_eq!(prepared_str, expected_str);
    }

    #[test]
    fn prepare_json_string_w_inner_json() {
        let original_str = r#"
            [
                {"label":"lol", "customtags": {"k1": "v1"}}
            ]
        "#;
        let prepared_str = prepare_json_string(original_str);

        let expected_str = r#"[{"label": "lol", "customtags": {"k1": "v1"}}]"#;

        assert_eq!(prepared_str, expected_str);
    }

    #[test]
    fn entirely_without_quotes() {
        let original_str = "{
            property1: lol,
            property2: iskrem
        }";

        let prepared_str = prepare_json_string(original_str);

        let expected_str = "{\"property1\": \"lol\", \"property2\": \"iskrem\"}";

        assert_eq!(prepared_str, expected_str);
    }

    #[test]
    fn arbitrary_test() {
        let original_str = r#"{
            [{"unit_id": 5,"ec_id": 0,"label": "SOMETHING","uid": "00000000-0000-0000-0000-000000000001", "customtags": {"tag1": ""}, "groups": ["input:max_adr:205"] }]
        }"#;

        let prepared_str = prepare_json_string(original_str);

        let expected_str = r#"{[{"unit_id": 5, "ec_id": 0, "label": "SOMETHING", "uid": "00000000-0000-0000-0000-000000000001", "customtags": {"tag1": ""}, "groups": ["input:max_adr:205"]}]}"#.to_string();

        assert_eq!(prepared_str, expected_str);
    }
}