oasysdb 0.4.0

Fast embedded vector database with incremental HNSW indexing.
Documentation 
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use super::*;

#[test]
fn new() {
    let db = Database::new("data/001").unwrap();
    assert_eq!(db.len(), 0);
}
#[test]
fn new_with_distance() {
    let mut config = Config::default();
    config.distance = Distance::Cosine;
    let mut collection = Collection::new(&config);
    collection.insert(&Record::random(DIMENSION)).unwrap();
}

#[test]
fn get_collection() {
    let db = create_test_database("data/002");
    let collection = db.get_collection(NAME).unwrap();
    assert_eq!(collection.len(), LEN);
}

#[test]
fn save_collection_new() {
    let mut db = Database::new("data/003").unwrap();

    // Create a collection from scratch.
    let config = Config::default();
    let mut collection = Collection::new(&config);

    // Insert a random record.
    let record = Record::random(DIMENSION);
    collection.insert(&record).unwrap();

    db.save_collection("new", &collection).unwrap();
    assert_eq!(collection.len(), 1);
    assert_eq!(db.len(), 1);
}

#[test]
fn save_collection_update() {
    let mut db = create_test_database("data/004");

    // Update the collection.
    let mut collection = db.get_collection(NAME).unwrap();
    collection.insert(&Record::random(DIMENSION)).unwrap();

    db.save_collection(NAME, &collection).unwrap();
    assert_eq!(collection.len(), LEN + 1);
    assert_eq!(db.len(), 1);
}

#[test]
fn delete_collection() {
    let mut db = create_test_database("data/005");
    db.delete_collection(NAME).unwrap();
    assert_eq!(db.len(), 0);
}