// file: crates/ksp-job-backfill-lib/tests/release_completeness.rs
// version: 4

//! Completeness canaries through the `pre.008` bounded execution/checkpoint tranche.

#[test]
fn pre_008_production_module_inventory_is_exact() -> std::io::Result<()> {
    let source_root = std::path::Path::new(env!("CARGO_MANIFEST_DIR")).join("src");
    let entries = match std::fs::read_dir(source_root) {
        std::result::Result::Ok(value) => value,
        std::result::Result::Err(error) => return std::result::Result::Err(error),
    };
    let mut names = std::vec::Vec::new();
    for entry in entries {
        let entry = match entry {
            std::result::Result::Ok(value) => value,
            std::result::Result::Err(error) => return std::result::Result::Err(error),
        };
        let file_type = match entry.file_type() {
            std::result::Result::Ok(value) => value,
            std::result::Result::Err(error) => return std::result::Result::Err(error),
        };
        if !file_type.is_file() {
            continue;
        }
        let name = match entry.file_name().into_string() {
            std::result::Result::Ok(value) => value,
            std::result::Result::Err(_) => continue,
        };
        if name.ends_with(".rs") {
            names.push(name);
        }
    }
    names.sort_unstable();
    assert_eq!(
        names,
        std::vec!["checkpoint.rs", "constants.rs", "conversion.rs", "discovery.rs", "error.rs", "execution.rs", "lib.rs", "persistence.rs", "request.rs"]
    );
    return std::result::Result::Ok(());
}

#[test]
fn pre_008_surface_adds_bounded_execution_and_checkpoint_without_pre_009_runtime() {
    let root = include_str!("../src/lib.rs");
    for required in [
        "BackfillCandidate",
        "BackfillCandidateIdentity",
        "BackfillCommitment",
        "BackfillDiscovery",
        "BackfillDiscoveryBoundary",
        "BackfillRequest",
        "BackfillScope",
        "BackfillScopeFingerprint",
        "BackfillSignature",
        "discover_backfill_candidates",
        "BackfillRawAcquisition",
        "BackfillHydrationOutcome",
        "hydrate_backfill_candidate",
        "BackfillPersistenceOutcome",
        "BackfillEntityPersistence",
        "BackfillObservationPersistence",
        "persist_backfill_hydration",
        "BackfillCheckpoint",
        "BackfillExecutionBatch",
        "execute_backfill_discovery",
        "ERROR_CODE_BACKFILL_CHECKPOINT_INVALID",
        "ERROR_CODE_BACKFILL_EXECUTION_INVALID",
    ] {
        assert!(root.contains(required), "required pre.008 public contract missing: {required}");
    }
    for forbidden in ["BackfillJobHandle", "BackfillSnapshot", "JobSnapshotSource", "tokio::", "FuturesUnordered"] {
        assert!(!root.contains(forbidden), "pre.009 or runtime implementation detail leaked into public root: {forbidden}");
    }
    assert!(!root.contains("pub mod "));
    return;
}