agdb 0.12.10

Agnesoft Graph Database
Documentation 
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mod test_db;

use agdb::DbElement;
use agdb::DbId;
use agdb::QueryBuilder;
use test_db::TestDb;

#[test]
fn select_values_ids() {
    let mut db = TestDb::new();
    db.exec_mut(
        QueryBuilder::insert()
            .nodes()
            .aliases(["alias1", "alias2"])
            .values([
                [
                    ("key", "value").into(),
                    ("key2", "value2").into(),
                    ("key3", "value3").into(),
                ],
                [
                    ("key", "value4").into(),
                    ("key2", "value5").into(),
                    ("key3", "value6").into(),
                ],
            ])
            .query(),
        2,
    );
    db.exec_elements(
        QueryBuilder::select()
            .values(["key", "key2"])
            .ids(["alias1", "alias2"])
            .query(),
        &[
            DbElement {
                id: DbId(1),
                from: None,
                to: None,
                values: vec![("key", "value").into(), ("key2", "value2").into()],
            },
            DbElement {
                id: DbId(2),
                from: None,
                to: None,
                values: vec![("key", "value4").into(), ("key2", "value5").into()],
            },
        ],
    );
}

#[test]
fn select_values_ids_missing_key() {
    let mut db = TestDb::new();
    db.exec_mut(
        QueryBuilder::insert()
            .nodes()
            .aliases(["alias1", "alias2"])
            .values([
                vec![
                    ("key", "value").into(),
                    ("key2", "value2").into(),
                    ("key3", "value3").into(),
                ],
                vec![("key", "value4").into()],
            ])
            .query(),
        2,
    );
    db.exec_error(
        QueryBuilder::select()
            .values(["key", "key2"])
            .ids(["alias1", "alias2"])
            .query(),
        "Missing key 'key2' for id '2'",
    );
}

#[test]
fn select_values_search() {
    let mut db = TestDb::new();

    db.exec_mut(
        QueryBuilder::insert()
            .nodes()
            .count(5)
            .values_uniform([
                ("key1", 1).into(),
                ("key2", 10).into(),
                ("key3", 100).into(),
            ])
            .query(),
        5,
    );
    db.exec_mut(
        QueryBuilder::insert()
            .edges()
            .from([1, 3])
            .to([3, 5])
            .query(),
        2,
    );

    db.exec_elements(
        QueryBuilder::select()
            .values("key2")
            .ids(QueryBuilder::search().from(3).query())
            .query(),
        &[
            DbElement {
                id: DbId(3),
                from: None,
                to: None,
                values: vec![("key2", 10).into()],
            },
            DbElement {
                id: DbId(-7),
                from: Some(DbId(3)),
                to: Some(DbId(5)),
                values: vec![],
            },
            DbElement {
                id: DbId(5),
                from: None,
                to: None,
                values: vec![("key2", 10).into()],
            },
        ],
    );
}

#[test]
fn select_values_search_alt() {
    let mut db = TestDb::new();

    db.exec_mut(
        QueryBuilder::insert()
            .nodes()
            .count(5)
            .values_uniform([
                ("key1", 1).into(),
                ("key2", 10).into(),
                ("key3", 100).into(),
            ])
            .query(),
        5,
    );
    db.exec_mut(
        QueryBuilder::insert()
            .edges()
            .from([1, 3])
            .to([3, 5])
            .query(),
        2,
    );

    db.exec_elements(
        QueryBuilder::select()
            .values("key2")
            .search()
            .from(3)
            .query(),
        &[
            DbElement {
                id: DbId(3),
                from: None,
                to: None,
                values: vec![("key2", 10).into()],
            },
            DbElement {
                id: DbId(-7),
                from: Some(DbId(3)),
                to: Some(DbId(5)),
                values: vec![],
            },
            DbElement {
                id: DbId(5),
                from: None,
                to: None,
                values: vec![("key2", 10).into()],
            },
        ],
    );
}