chaotic_semantic_memory 0.3.6

AI memory systems with hyperdimensional vectors and chaotic reservoirs
Documentation 
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use crate::hyperdim::HVec10240;

#[test]
fn test_hvec_creation() {
    let vec = HVec10240::zero();
    assert_eq!(vec.data.iter().sum::<u128>(), 0);
}

#[test]
fn test_random_generation() {
    let vec1 = HVec10240::random();
    let vec2 = HVec10240::random();
    assert_ne!(vec1.data, vec2.data);
}

#[test]
fn test_self_similarity() {
    let vec = HVec10240::random();
    let similarity = vec.cosine_similarity(&vec);
    assert!(similarity > 0.99);
}

#[test]
fn test_binding() {
    let a = HVec10240::random();
    let b = HVec10240::random();
    let bound = a.bind(&b);
    let recovered = bound.bind(&b);
    let similarity = a.cosine_similarity(&recovered);
    assert!(similarity > 0.95);
}

#[test]
fn test_serialization() {
    let v = HVec10240::random();
    let bytes = v.to_bytes();
    assert_eq!(v.data, HVec10240::from_bytes(&bytes).unwrap().data);
}

#[test]
fn test_bundle() {
    let v: Vec<_> = (0..10).map(|_| HVec10240::random()).collect();
    assert_eq!(HVec10240::bundle(&v).unwrap().data.len(), 80);
}

#[test]
fn test_permute() {
    let v = HVec10240::random();
    assert_eq!(v, v.permute(0));
    let s = v.permute(128);
    for i in 0..80 {
        assert_eq!(s.data[i], v.data[(i + 1) % 80]);
    }
}

#[test]
fn test_json_serialize_is_base64() {
    let v = HVec10240::random();
    let json = serde_json::to_string(&v).unwrap();
    // Should be a base64 string, not an array
    assert!(json.starts_with('"'), "Expected string, got: {json}");
    assert!(
        !json.starts_with('['),
        "Expected base64 string, not array: {json}"
    );
    // Verify roundtrip
    let decoded: HVec10240 = serde_json::from_str(&json).unwrap();
    assert_eq!(v.data, decoded.data);
}

#[test]
fn test_json_array_deserialize_fallback() {
    // Legacy format: array of bytes (for backward compatibility)
    let v = HVec10240::random();
    let bytes = v.to_bytes();
    let array_json: String = serde_json::to_string(&bytes).unwrap();
    let decoded: HVec10240 = serde_json::from_str(&array_json).unwrap();
    assert_eq!(v.data, decoded.data);
}