modelvault-core 0.16.0

Core engine for ModelVault — application-focused embedded storage with model schemas, validation, and migrations.
Documentation 
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use modelvault_core::error::FormatError;
use modelvault_core::file_format::{decode_header, FileHeader, FILE_HEADER_SIZE};
use modelvault_core::DbError;

#[test]
fn decode_header_rejects_wrong_magic() {
    let mut bytes = [0u8; FILE_HEADER_SIZE];
    bytes[0..4].copy_from_slice(b"NOPE");
    let res = decode_header(&bytes);
    assert!(matches!(
        res,
        Err(DbError::Format(FormatError::BadMagic { .. }))
    ));
}

#[test]
fn decode_header_rejects_unsupported_version() {
    let mut bytes = FileHeader::new_v0_3().encode();
    // Mutate version fields.
    bytes[4] = 9;
    bytes[6] = 9;
    let res = decode_header(&bytes);
    assert!(matches!(
        res,
        Err(DbError::Format(FormatError::UnsupportedVersion { .. }))
    ));
}

#[test]
fn decode_header_rejects_truncated() {
    let bytes = [0u8; 8];
    let res = decode_header(&bytes);
    assert!(matches!(
        res,
        Err(DbError::Format(FormatError::TruncatedHeader { .. }))
    ));
}