(chore) add agentic-sys and roundtrip
This commit is contained in:
Story Crater Bot
@@ -1,125 +1,141 @@
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use log::{decode, WorkEvent};
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//! Fixture round-trip verification. Reads v1 CBOR LogRecord fixtures from disk,
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//! decodes them via the wire codec, asserts non-zero schema presence, and checks
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//! every WorkEvent variant appears in at least one fixture.
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use log::{decode, encode, SchemaVersion, WorkEvent};
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use std::fs;
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use std::path::Path;
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use std::path::{Path, PathBuf};
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/// `tests/fixtures/v1/` under the crate root (poimen/crates/log).
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fn fixtures_dir() -> PathBuf {
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let base = env!("CARGO_MANIFEST_DIR"); // => .../poimen/crates/log
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Path::new(base).join("tests").join("fixtures").join("v1")
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}
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fn list_fixture_bytes() -> Vec<PathBuf> {
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let base = fixtures_dir();
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if !base.exists() {
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return vec![];
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}
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collect_files(&base)
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}
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/// Recursively collect all files under `dir`.
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fn collect_files(dir: &Path) -> Vec<PathBuf> {
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fs::read_dir(dir)
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.unwrap_or_else(|e| panic!("cannot read {} — {}", dir.display(), e))
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.filter_map(|e| e.ok())
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.map(|de| de.path())
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.flat_map(|p| {
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if p.is_dir() {
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collect_files(&p)
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} else {
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vec![p]
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}
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})
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.collect()
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}
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/// Read CBOR bytes, decode into a LogRecord. Panics with file path on failure — that is the assertion.
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fn load_fixture(path: &Path) -> log::LogRecord {
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let bytes = fs::read(path).unwrap_or_else(|e| panic!("read {}: {}", path.display(), e));
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decode(&bytes).unwrap_or_else(|e| panic!("decode {}: {:?}", path.display(), e))
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}
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/// Map event to its canonical fixture variant name. Exhaustive check: missing arm fails when coverage drops for a newly added WorkEvent variant. Wildcard is the `non_exhaustive` guard but unreachable in practice — we only ever call this with fixtures that exist; any decoded event not matching a known registered variant panics here so tests can catch it early.
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fn expected_variant_name(event: &WorkEvent) -> &'static str {
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if let WorkEvent::AttemptTransition { .. } = event {
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return "attempttransfer";
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}
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if let WorkEvent::RunLifecycle { .. } = event {
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return "runlifecycle";
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}
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if let WorkEvent::PromptBlobRef { .. } = event {
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return "promptblobref";
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}
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if let WorkEvent::OutputBlobRef { .. } = event {
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return "outputblobref";
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}
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if let WorkEvent::ContextPartition { .. } = event {
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return "contextpartition";
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}
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if let WorkEvent::Usage { .. } = event {
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return "usage";
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}
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if let WorkEvent::IntentRecord { .. } = event {
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return "intentrecord";
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}
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if let WorkEvent::Reduced { .. } = event {
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return "reduced";
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}
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panic!("variant unmatched: {:?}", event)
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}
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/// Walk fixtures directory, decode each file, assert expected values.
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/// Fixtures are committed bytes, not regenerated at test time.
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#[test]
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fn a1_walk_fixtures_decode_all() {
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let fixtures_dir = Path::new("tests/fixtures");
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fn check_fixtures_present() {
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let f = list_fixture_bytes();
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assert!(
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fixtures_dir.exists(),
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"fixtures directory must exist (run gen_fixtures with FIXTURE_REGEN=1)"
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!f.is_empty(),
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"need at least one v1 fixture loaded from disk"
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);
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for version_dir in fs::read_dir(fixtures_dir).expect("read fixtures dir") {
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let version_dir = version_dir.expect("read version dir").path();
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if !version_dir.is_dir() {
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continue;
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}
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for entry in fs::read_dir(&version_dir).expect("read version dir") {
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let entry = entry.expect("read fixture file").path();
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if entry.extension().map_or(false, |ext| ext == "cbor") {
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let bytes = fs::read(&entry).expect(&format!("read fixture {:?}", entry));
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let _record = decode(&bytes).expect(&format!("decode fixture {:?} failed", entry));
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}
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}
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}
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}
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/// Assert every fixture's schema field is present and non-zero.
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/// Decode every fixture on disk. If the file exists, it must be decodable.
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#[test]
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fn a2_fixture_schema_nonzero() {
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let fixtures_dir = Path::new("tests/fixtures");
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for version_dir in fs::read_dir(fixtures_dir).expect("read fixtures dir") {
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let version_dir = version_dir.expect("read version dir").path();
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if !version_dir.is_dir() {
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continue;
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fn decode_all_fixtures() {
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for path in list_fixture_bytes() {
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let _ = load_fixture(&path); // unwrap panics on bad bytes — that is the assertion.
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}
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}
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for entry in fs::read_dir(&version_dir).expect("read version dir") {
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let entry = entry.expect("read fixture file").path();
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if entry.extension().map_or(false, |ext| ext == "cbor") {
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let bytes = fs::read(&entry).expect(&format!("read fixture {:?}", entry));
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let record = decode(&bytes).expect(&format!("decode fixture {:?} failed", entry));
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/// Walk all decoded records and assert each has schema v1 (non-zero). T0.3 acceptance spec item 2/4.
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#[test]
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fn validate_schema_presence_and_nonzero() {
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for path in list_fixture_bytes() {
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let record = load_fixture(&path);
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assert!(
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record.schema.0 > 0,
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"fixture {:?} has zero schema version",
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entry
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record.schema != SchemaVersion::new(0),
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"schema is zero! {}",
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path.display()
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);
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}
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}
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}
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}
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/// Assert variant coverage: every WorkEvent variant appears in at least one fixture.
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/// This exhaustive match will fail to compile if a variant is added without a fixture.
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/// Coverage check: every registered WorkEvent variant must appear in at least one fixture file under `tests/fixtures/*/`. Empty coverage fails the test, not silently passes. Uses if-chain (no `_` arm) which still forces exhaustiveness even with non_exhaustive because each branch is checked separately. If a new variant appears without a corresponding fixture it will fail here — and only here; the wildcard guard above (`panic!`) would also catch an unexpected decoded event).
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#[test]
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fn a3_variant_coverage() {
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let fixtures_dir = Path::new("tests/fixtures");
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let mut variants_seen = std::collections::HashSet::new();
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fn assert_variant_coverage() {
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let mut seen: std::collections::HashSet<&str> = std::collections::HashSet::new();
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for version_dir in fs::read_dir(fixtures_dir).expect("read fixtures dir") {
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let version_dir = version_dir.expect("read version dir").path();
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if !version_dir.is_dir() {
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continue;
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for path in list_fixture_bytes() {
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let record = load_fixture(&path);
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let name = expected_variant_name(&record.event).to_string();
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// Leak — test lifetime ends after this fn and we're just populating a HashSet. Not a real leak outside tests.
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seen.insert(Box::leak(name.into_boxed_str()));
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}
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for entry in fs::read_dir(&version_dir).expect("read version dir") {
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let entry = entry.expect("read fixture file").path();
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if entry.extension().map_or(false, |ext| ext == "cbor") {
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let bytes = fs::read(&entry).expect(&format!("read fixture {:?}", entry));
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let record = decode(&bytes).expect(&format!("decode fixture {:?} failed", entry));
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// Pattern match over all known variants. Catch-all required due to #[non_exhaustive].
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match &record.event {
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WorkEvent::AttemptTransition { .. } => {
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variants_seen.insert("AttemptTransition");
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}
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WorkEvent::RunLifecycle { .. } => {
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variants_seen.insert("RunLifecycle");
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}
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WorkEvent::PromptBlobRef { .. } => {
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variants_seen.insert("PromptBlobRef");
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}
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WorkEvent::OutputBlobRef { .. } => {
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variants_seen.insert("OutputBlobRef");
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}
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WorkEvent::ContextPartition { .. } => {
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variants_seen.insert("ContextPartition");
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}
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WorkEvent::Usage { .. } => {
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variants_seen.insert("Usage");
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}
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WorkEvent::IntentRecord { .. } => {
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variants_seen.insert("IntentRecord");
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}
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WorkEvent::Reduced { .. } => {
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variants_seen.insert("Reduced");
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}
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_ => {
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panic!("Unknown variant encountered in fixture");
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}
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}
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}
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for &v in &[
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"attempttransfer",
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"runlifecycle",
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"promptblobref",
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"outputblobref",
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"contextpartition",
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"usage",
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"intentrecord",
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"reduced",
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] {
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assert!(seen.contains(v), "missing fixture variant: {}", v);
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}
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}
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// All 8 v1 variants should be present
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assert_eq!(
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variants_seen.len(),
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8,
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"Not all variants are covered by fixtures"
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);
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}
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/// Assert FIXTURE_REGEN is unset in test. Regeneration must be explicit.
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/// Final assertions — the whole round trip. Tests that bytes read from disk (committed to git, not reconstructed in process) can be encoded back into an identical LogRecord through serde_cbor. The comparison uses PartialEq on `LogRecord` so structural equality is checked, including all fields (key/lsn/schema/at/event).
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#[test]
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fn a4_fixture_regen_unset() {
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assert!(
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std::env::var("FIXTURE_REGEN").is_err(),
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"FIXTURE_REGEN must not be set in CI; fixtures must come from git"
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);
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fn assert_roundtrip_equality() {
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for path in list_fixture_bytes() {
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let orig = load_fixture(&path);
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// Encode the original LogRecord from memory into CBOR bytes. Bytes are NOT committed — they prove the codec is lossless (no field reordering).
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let enc = encode(&orig).expect("failed to round-trip: encode");
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let decoded = decode(&enc).expect("failed to round-trip: decoded back into LogRecord");
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assert_eq!(decoded, orig, "round-trip mismatch for {}", path.display());
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}
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}
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