libhaystack 3.2.0

Rust implementation of the Haystack 4 data types, defs, filter, units, and encodings
Documentation 
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// Copyright (C) 2020 - 2022, J2 Innovations

//! Test Grid

#[cfg(test)]
use libhaystack::dict;
use libhaystack::val::*;

#[test]
fn test_json_grid_empty_encode() {
    let string = concat!(
        r#"{"_kind":"grid","meta":{},"#,
        r#""cols":[{"name":"dis"},{"name":"equip"},{"name":"navName"},{"name":"site"}],"#,
        r#""rows":[{"dis":"Site","site":{"_kind":"marker"}},{"equip":{"_kind":"marker"},"navName":"Equip"}]}"#
    );
    let value: Value = serde_json::from_str(string).unwrap();
    let recs = vec![
        dict! {
            "site" => Value::make_marker(),
            "dis" => Value::make_str("Site")
        },
        dict! {
            "equip" => Value::make_marker(),
            "navName" => Value::make_str("Equip")
        },
    ];
    let grid = Value::make_grid(Grid {
        meta: None,
        columns: vec![
            Column {
                name: "dis".into(),
                meta: None,
            },
            Column {
                name: "equip".into(),
                meta: None,
            },
            Column {
                name: "navName".into(),
                meta: None,
            },
            Column {
                name: "site".into(),
                meta: None,
            },
        ],
        rows: recs,
        ver: GRID_FORMAT_VERSION.to_string(),
    });

    assert_eq!(value, grid);
}

#[test]
fn test_json_grid_decode() {
    let string = concat!(
        r#"{"_kind":"grid","#,
        r#""cols":[{"name":"dis"},{"name":"equip"},{"name":"navName"},{"name":"site"}],"#,
        r#""rows":[{"dis":"Site","site":{"_kind":"marker"}},{"equip":{"_kind":"marker"},"navName":"Equip"}]}"#
    );
    let value: Value = serde_json::from_str(string).unwrap();
    let recs = vec![
        dict! {
            "site" => Value::make_marker(),
            "dis" => Value::make_str("Site")
        },
        dict! {
            "equip" => Value::make_marker(),
            "navName" => Value::make_str("Equip")
        },
    ];
    let grid = Value::make_grid(Grid {
        meta: None,
        columns: vec![
            Column {
                name: "dis".into(),
                meta: None,
            },
            Column {
                name: "equip".into(),
                meta: None,
            },
            Column {
                name: "navName".into(),
                meta: None,
            },
            Column {
                name: "site".into(),
                meta: None,
            },
        ],
        rows: recs,
        ver: GRID_FORMAT_VERSION.to_string(),
    });

    assert_eq!(value, grid);
}

#[test]
fn test_json_grid_with_ver() {
    let string = concat!(
        r#"{"_kind":"grid","meta":{"ver": "3.0"},"#,
        r#""cols":[{"name":"dis"}],"#,
        r#""rows":[{"dis":"a"},{"dis":"b"}]}"#
    );

    let value: Value = serde_json::from_str(string).expect("Value");

    let recs = vec![
        dict! {
            "dis" => Value::make_str("a")
        },
        dict! {
            "dis" => Value::make_str("b")
        },
    ];

    assert_eq!(
        value,
        Grid::make_from_dicts_with_meta(recs.clone(), Dict::default()).into()
    );

    assert!(matches!(value, Value::Grid(grid) if grid.ver == GRID_FORMAT_VERSION));

    let string = concat!(
        r#"{"_kind":"grid","meta":{"ver": "3.0", "foo": 100},"#,
        r#""cols":[{"name":"dis"}],"#,
        r#""rows":[{"dis":"a"},{"dis":"b"}]}"#
    );
    let value: Value = serde_json::from_str(string).expect("Value");

    assert_eq!(
        value,
        Grid::make_from_dicts_with_meta(recs.clone(), dict! {"foo" => 100}).into()
    );

    let string = concat!(
        r#"{"_kind":"grid","meta":{"ver": "2.0"},"#,
        r#""cols":[{"name":"dis"}],"#,
        r#""rows":[{"dis":"a"},{"dis":"b"}]}"#
    );
    let value: Value = serde_json::from_str(string).expect("Value");

    assert!(matches!(&value, Value::Grid(grid) if grid.ver == "2.0"));
    assert_ne!(value, Grid::make_from_dicts(recs).into())
}

#[test]
fn test_json_decode_malformed_grid() {
    let string = concat!(
        r#"{"_kind":"grid","meta":{},"#,
        r#""cols":[{"name":"dis"},{"name":"equip"},{"name":"navName"},{"name":"site"}],"#,
        r#""badrows":[{"dis":"Site","site":{"_kind":"marker"}},{"equip":{"_kind":"marker"},"navName":"Equip"}]}"#
    );
    assert!(serde_json::from_str::<Value>(string).is_err());
}