// wai-conformance: int-kernels
//! `wai.video.int_cond` and `wai.video.int_cond.frame` (extensions/integer-payloads.md §17)
//! on the committed trained vector, `tests/vectors/int_cond/`: the corpus
//! `int-payload-conformance/int-cond/` regenerates byte for byte from the vector alone, and
//! every check of `int_cond_video::corpus::verify` passes: the clip decodes to its sidecar's
//! SHA-256 (through `decode_int` too), its frame objects decode to the clip's frames, every
//! planted fault is refused with its code. Never skips.
#![cfg(feature = "video_int")]

use std::path::PathBuf;

use wai::int_cond_video::corpus;

fn wai_dir() -> PathBuf {
    PathBuf::from(env!("CARGO_MANIFEST_DIR")).join("..")
}

fn read(rel: &str) -> Vec<u8> {
    std::fs::read(wai_dir().join(rel)).unwrap_or_else(|e| panic!("{rel}: {e}"))
}

#[test]
fn the_corpus_regenerates_byte_for_byte() {
    let files = corpus::build(&read);
    assert!(files.len() > 40, "{} files", files.len());
    for (rel, bytes) in &files {
        assert!(read(rel) == *bytes, "{rel} differs from its regeneration: run wai_int_payload_vectors gen");
    }
}

#[test]
fn every_check_of_the_corpus_passes() {
    let lines = corpus::verify(&read);
    let fails: Vec<&String> = lines.iter().filter(|l| !l.starts_with("ok")).collect();
    assert!(fails.is_empty(), "{}", lines.join("\n"));
    assert!(lines.iter().any(|l| l.contains("decode to the sidecar's SHA-256")), "{}", lines.join("\n"));
}