canic-host 0.68.3

Host-side build, install, deployment, and fleet-template library for Canic workspaces
Documentation 
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use super::*;

#[test]
fn read_release_artifact_accepts_gzip_wasm() {
    let temp = TempWorkspace::new();
    let path = temp.path().join("artifact.wasm.gz");
    let mut encoder = GzEncoder::new(Vec::new(), Compression::default());
    encoder
        .write_all(&[0x00, 0x61, 0x73, 0x6d, 0x01, 0x00, 0x00, 0x00])
        .expect("write wasm bytes");
    fs::write(&path, encoder.finish().expect("finish encoder")).expect("write artifact");

    let artifact = read_release_artifact(&path).expect("read artifact");

    assert!(!artifact.is_empty());
}

#[test]
fn read_release_artifact_rejects_plain_wasm() {
    let temp = TempWorkspace::new();
    let path = temp.path().join("artifact.wasm");
    fs::write(&path, [0x00, 0x61, 0x73, 0x6d]).expect("write plain wasm");

    let err = read_release_artifact(&path).unwrap_err();

    assert!(
        err.to_string().contains("not gzip-compressed"),
        "unexpected error: {err}"
    );
}

#[test]
fn read_release_artifact_rejects_non_wasm_payload() {
    let temp = TempWorkspace::new();
    let path = temp.path().join("artifact.bin.gz");
    let mut encoder = GzEncoder::new(Vec::new(), Compression::default());
    encoder.write_all(b"not wasm").expect("write payload");
    fs::write(&path, encoder.finish().expect("finish encoder")).expect("write artifact");

    let err = read_release_artifact(&path).unwrap_err();

    assert!(
        err.to_string()
            .contains("does not decompress to a wasm module"),
        "unexpected error: {err}"
    );
}