use super::*;
use crate::llm::decision::replay::{EvaluationFixture, EvaluationReplayScope, FixtureAnswer};
fn args(state: &str) -> Vec<VmValue> {
vec![
VmValue::string("replay.site"),
VmValue::string(state),
questions_value(),
policy_value(0.5, 1.0),
]
}
#[test]
fn replay_and_cache_inherit_into_children_and_keep_occurrences_and_cost_separate() {
let backend = Arc::new(MockDecisionBackend::scripted(vec![
Ok(answering(0.95)),
Ok(answering(0.95)),
]));
let _backend = install_backend(backend.clone());
let _route = install_route("mock", "fixture", contract(4096, None));
tokio::runtime::Builder::new_current_thread()
.enable_all()
.build()
.unwrap()
.block_on(async {
let mut vm = crate::Vm::new();
let recording = EvaluationReplayScope::record();
vm.set_evaluation_replay(recording.clone());
let ctx = crate::vm::AsyncBuiltinCtx::for_test(vm.child_vm());
let live = evaluate_internal(&ctx, &args("state")).await.unwrap();
assert_eq!(backend.request_count(), 1);
let tape = recording.finish().unwrap().unwrap();
let replay = EvaluationReplayScope::replay(&tape).unwrap();
vm.set_evaluation_replay(replay.clone());
let ctx = crate::vm::AsyncBuiltinCtx::for_test(vm.child_vm());
let reused = evaluate_internal(&ctx, &args("state")).await.unwrap();
replay.finish().unwrap();
assert_eq!(backend.request_count(), 1, "tape never dispatched");
assert_eq!(live.3.evaluation_id, reused.3.evaluation_id);
assert_ne!(live.3.invocation_id, reused.3.invocation_id);
assert_eq!(reused.3.reused_from.as_deref(), Some(&live.3));
assert_eq!(reused.3.physical_attempts, 0);
assert_eq!(reused.3.cost_usd, Some(0.0));
assert_eq!(reused.3.budget_charge_usd, Some(0.0));
assert_eq!(reused.3.source, EvaluationSource::Tape);
let cache = EvaluationReplayScope::cache();
vm.set_evaluation_replay(cache.clone());
let first = evaluate_internal(
&crate::vm::AsyncBuiltinCtx::for_test(vm.child_vm()),
&args("cached"),
)
.await
.unwrap();
let second = evaluate_internal(
&crate::vm::AsyncBuiltinCtx::for_test(vm.child_vm()),
&args("cached"),
)
.await
.unwrap();
assert_eq!(
backend.request_count(),
2,
"first cache call is a measured dispatch"
);
assert_ne!(first.3.invocation_id, second.3.invocation_id);
assert_eq!(second.3.source, EvaluationSource::Cache);
assert_eq!(second.3.physical_attempts, 0);
cache.finish().unwrap();
});
}
#[test]
fn missing_changed_extra_and_caught_mismatches_cannot_succeed_or_dispatch() {
let backend = Arc::new(MockDecisionBackend::scripted(vec![Ok(answering(0.95))]));
let _backend = install_backend(backend.clone());
let _route = install_route("mock", "fixture", contract(4096, None));
tokio::runtime::Builder::new_current_thread()
.enable_all()
.build()
.unwrap()
.block_on(async {
let mut vm = crate::Vm::new();
let recording = EvaluationReplayScope::record();
vm.set_evaluation_replay(recording.clone());
evaluate_internal(
&crate::vm::AsyncBuiltinCtx::for_test(vm.child_vm()),
&args("state"),
)
.await
.unwrap();
let tape = recording.finish().unwrap().unwrap();
let extra = EvaluationReplayScope::replay(&tape).unwrap();
assert!(
extra.finish().is_err(),
"unconsumed records are not success"
);
vm.set_evaluation_replay(extra.clone());
assert!(evaluate_internal(
&crate::vm::AsyncBuiltinCtx::for_test(vm.child_vm()),
&args("changed")
)
.await
.is_err());
assert!(
extra.finish().is_err(),
"catching an error cannot hide a changed fixture"
);
let mut missing = tape;
missing.records.clear();
let missing = EvaluationReplayScope::replay(&missing).unwrap();
vm.set_evaluation_replay(missing.clone());
assert!(evaluate_internal(
&crate::vm::AsyncBuiltinCtx::for_test(vm.child_vm()),
&args("state")
)
.await
.is_err());
assert!(missing.finish().is_err());
assert_eq!(
backend.request_count(),
1,
"only the positive recording dispatched"
);
});
}
#[test]
fn typed_fixture_receipt_reports_no_dispatch_or_invented_live_source() {
let backend = Arc::new(MockDecisionBackend::scripted(vec![]));
let _backend = install_backend(backend.clone());
let _route = install_route("mock", "fixture", contract(4096, None));
let arguments = args("state");
let fixture = EvaluationFixture {
site_id: "replay.site".into(),
state: crate::llm::helpers::vm_value_to_json(&arguments[1]),
questions: crate::llm::helpers::vm_value_to_json(&arguments[2]),
policy: crate::llm::helpers::vm_value_to_json(&arguments[3]),
answers: BTreeMap::from([(
"safe".into(),
FixtureAnswer::Boolean {
verdict: true,
confidence: 0.95,
evidence: "declared by the test".into(),
},
)]),
};
let scope = EvaluationReplayScope::fixtures(vec![fixture]).unwrap();
tokio::runtime::Builder::new_current_thread()
.enable_all()
.build()
.unwrap()
.block_on(async {
let mut vm = crate::Vm::new();
vm.set_evaluation_replay(scope.clone());
let result = evaluate_internal(
&crate::vm::AsyncBuiltinCtx::for_test(vm.child_vm()),
&arguments,
)
.await
.unwrap();
scope.finish().unwrap();
assert_eq!(result.0.kind, "answered");
assert_eq!(result.3.source, EvaluationSource::Fixture);
assert!(result.3.reused_from.is_none());
assert_eq!(result.3.physical_attempts, 0);
assert_eq!(result.3.cost_usd, Some(0.0));
assert_eq!(result.3.budget_charge_usd, Some(0.0));
let evidence = vm.execution_evidence(None, Vec::new());
assert_eq!(evidence.evaluation_receipts.unwrap().len(), 1);
assert_eq!(backend.request_count(), 0);
});
}
#[test]
fn every_checked_in_evaluation_tape_decodes_with_the_current_decoder() {
use crate::testbench::tape::{EventTape, TapeRecordKind};
let root = std::path::Path::new(env!("CARGO_MANIFEST_DIR")).join("../..");
let listed = std::process::Command::new("git")
.current_dir(&root)
.args(["ls-files", "-z", "--", "*.tape"])
.output()
.expect("git lists the checked-in tapes");
assert!(listed.status.success(), "git ls-files failed: {listed:?}");
let tapes: Vec<_> = listed
.stdout
.split(|byte| *byte == 0)
.filter(|path| !path.is_empty())
.map(|path| root.join(String::from_utf8_lossy(path).as_ref()))
.collect();
let mut evaluation_tapes = 0;
for path in &tapes {
let tape = EventTape::load(path).unwrap_or_else(|e| panic!("{}: {e}", path.display()));
if tape
.records
.iter()
.any(|record| matches!(record.kind, TapeRecordKind::DecisionEvaluation { .. }))
{
EvaluationReplayScope::replay(&tape)
.unwrap_or_else(|e| panic!("{}: {e}", path.display()));
evaluation_tapes += 1;
}
}
assert!(
evaluation_tapes > 0,
"no checked-in evaluation tape was found among {} tapes",
tapes.len()
);
}