agent-orchestrator/backend/internal/review/review_test.go

391 lines
13 KiB
Go

package review
import (
"context"
"errors"
"sync"
"testing"
"time"
"github.com/aoagents/agent-orchestrator/backend/internal/domain"
)
// --- fakes ---
type fakeStore struct {
review *domain.Review
runs []domain.ReviewRun
// insertErr, when set, makes the next InsertReviewRun model a concurrent
// writer that already recorded a run for this commit: it records that
// winner (so a follow-up GetReviewRunBySessionAndSHA finds it) and returns
// insertErr instead of recording the caller's run.
insertErr error
}
func (f *fakeStore) UpsertReview(_ context.Context, r domain.Review) error {
cp := r
f.review = &cp
return nil
}
func (f *fakeStore) GetReviewBySession(_ context.Context, _ domain.SessionID) (domain.Review, bool, error) {
if f.review == nil {
return domain.Review{}, false, nil
}
return *f.review, true, nil
}
func (f *fakeStore) InsertReviewRun(_ context.Context, r domain.ReviewRun) error {
if f.insertErr != nil {
winner := r
winner.ID = "winner-" + r.ID
f.runs = append(f.runs, winner)
return f.insertErr
}
f.runs = append(f.runs, r)
return nil
}
func (f *fakeStore) UpdateReviewRunResult(_ context.Context, id string, status domain.ReviewRunStatus, verdict domain.ReviewVerdict, body string) (bool, error) {
for i := range f.runs {
if f.runs[i].ID == id {
if f.runs[i].Status != domain.ReviewRunRunning {
return false, nil
}
f.runs[i].Status = status
f.runs[i].Verdict = verdict
f.runs[i].Body = body
return true, nil
}
}
return false, nil
}
func (f *fakeStore) GetReviewRun(_ context.Context, id string) (domain.ReviewRun, bool, error) {
for _, r := range f.runs {
if r.ID == id {
return r, true, nil
}
}
return domain.ReviewRun{}, false, nil
}
func (f *fakeStore) GetReviewRunBySessionAndSHA(_ context.Context, _ domain.SessionID, sha string) (domain.ReviewRun, bool, error) {
for i := len(f.runs) - 1; i >= 0; i-- {
if f.runs[i].TargetSHA == sha {
return f.runs[i], true, nil
}
}
return domain.ReviewRun{}, false, nil
}
func (f *fakeStore) ListReviewRunsBySession(_ context.Context, _ domain.SessionID) ([]domain.ReviewRun, error) {
return f.runs, nil
}
type fakeSessions struct {
rec domain.SessionRecord
ok bool
}
func (f fakeSessions) GetSession(_ context.Context, _ domain.SessionID) (domain.SessionRecord, bool, error) {
return f.rec, f.ok, nil
}
type fakePRs struct{ prs []domain.PullRequest }
func (f fakePRs) ListPRsBySession(_ context.Context, _ domain.SessionID) ([]domain.PullRequest, error) {
return f.prs, nil
}
type fakeProjects struct{ cfg domain.ProjectConfig }
func (f fakeProjects) GetProject(_ context.Context, id string) (domain.ProjectRecord, bool, error) {
return domain.ProjectRecord{ID: id, Config: f.cfg}, true, nil
}
type fakeLauncher struct {
handle string
alive bool
spawnErr error
notifyErr error
spawned bool
spawnCount int
notified bool
gotSpec LaunchSpec
gotHandle string
}
func (f *fakeLauncher) Spawn(_ context.Context, spec LaunchSpec) (string, error) {
f.spawned = true
f.spawnCount++
f.gotSpec = spec
if f.spawnErr != nil {
return "", f.spawnErr
}
return f.handle, nil
}
func (f *fakeLauncher) Notify(_ context.Context, handleID string, spec LaunchSpec) error {
f.notified = true
f.gotHandle = handleID
f.gotSpec = spec
return f.notifyErr
}
func (f *fakeLauncher) Alive(_ context.Context, _ string) (bool, error) { return f.alive, nil }
func liveWorker() domain.SessionRecord {
return domain.SessionRecord{
ID: "mer-1",
ProjectID: "mer",
Harness: domain.HarnessClaudeCode,
Metadata: domain.SessionMetadata{WorkspacePath: "/ws/mer-1"},
}
}
func newEngineForTest(store Store, sessions Sessions, prs PRs, projects Projects, launcher Launcher) *Engine {
ids := 0
return New(Deps{
Store: store, Sessions: sessions, PRs: prs, Projects: projects, Launcher: launcher,
Clock: func() time.Time { return time.Unix(0, 0).UTC() },
NewID: func() string { ids++; return "id-" + string(rune('0'+ids)) },
})
}
func prAt(sha string) fakePRs {
return fakePRs{prs: []domain.PullRequest{{URL: "https://github.com/o/r/pull/1", HeadSHA: sha}}}
}
// --- tests ---
func TestTriggerSpawnsNewReviewerAndRecordsRunAfterLaunch(t *testing.T) {
store := &fakeStore{}
launcher := &fakeLauncher{handle: "review-mer-1"}
eng := newEngineForTest(store, fakeSessions{rec: liveWorker(), ok: true}, prAt("sha1"), fakeProjects{}, launcher)
res, err := eng.Trigger(context.Background(), "mer-1")
if err != nil {
t.Fatalf("Trigger: %v", err)
}
if !res.Created || res.ReviewerHandleID != "review-mer-1" {
t.Fatalf("result = %+v", res)
}
if !launcher.spawned || launcher.notified {
t.Fatalf("expected spawn (no live reviewer): %+v", launcher)
}
if res.Run.TargetSHA != "sha1" || res.Run.Status != domain.ReviewRunRunning || res.Run.Harness != domain.ReviewerClaudeCode {
t.Fatalf("run = %+v", res.Run)
}
if launcher.gotSpec.RunID != res.Run.ID {
t.Fatalf("launch spec run id %q != run id %q", launcher.gotSpec.RunID, res.Run.ID)
}
if len(store.runs) != 1 || store.review == nil || store.review.ReviewerHandleID != "review-mer-1" {
t.Fatalf("persisted review=%+v runs=%+v", store.review, store.runs)
}
}
func TestTriggerConcurrentSameWorkerSpawnsOnce(t *testing.T) {
store := &fakeStore{}
launcher := &fakeLauncher{handle: "review-mer-1"}
eng := newEngineForTest(store, fakeSessions{rec: liveWorker(), ok: true}, prAt("sha1"), fakeProjects{}, launcher)
const n = 8
var wg sync.WaitGroup
results := make([]TriggerResult, n)
errs := make([]error, n)
wg.Add(n)
for i := 0; i < n; i++ {
go func(i int) {
defer wg.Done()
results[i], errs[i] = eng.Trigger(context.Background(), "mer-1")
}(i)
}
wg.Wait()
created := 0
for i := 0; i < n; i++ {
if errs[i] != nil {
t.Fatalf("Trigger[%d]: %v", i, errs[i])
}
if results[i].Created {
created++
}
}
// Exactly one trigger does the work; the rest reuse its run.
if created != 1 {
t.Errorf("Created=true count = %d, want exactly 1", created)
}
if launcher.spawnCount != 1 {
t.Errorf("reviewer spawn count = %d, want 1", launcher.spawnCount)
}
if len(store.runs) != 1 {
t.Errorf("recorded review runs = %d, want 1", len(store.runs))
}
}
func TestTriggerFallsBackToExistingRunOnUniqueConflict(t *testing.T) {
// The idempotency check passes (no run yet), the reviewer launches, but the
// insert loses to a concurrent writer the unique index already accepted.
store := &fakeStore{insertErr: domain.ErrDuplicateReviewRun}
launcher := &fakeLauncher{handle: "review-mer-1"}
eng := newEngineForTest(store, fakeSessions{rec: liveWorker(), ok: true}, prAt("sha1"), fakeProjects{}, launcher)
res, err := eng.Trigger(context.Background(), "mer-1")
if err != nil {
t.Fatalf("Trigger: %v", err)
}
if res.Created {
t.Fatalf("expected Created=false on unique conflict: %+v", res)
}
if res.Run.TargetSHA != "sha1" || res.Run.ID != "winner-id-1" {
t.Fatalf("expected the recorded winner run, got %+v", res.Run)
}
if launcher.spawnCount != 1 {
t.Fatalf("reviewer should still have launched once: %+v", launcher)
}
}
func TestTriggerIsIdempotentForSameCommit(t *testing.T) {
store := &fakeStore{
review: &domain.Review{ID: "rev-1", SessionID: "mer-1", ReviewerHandleID: "review-mer-1"},
runs: []domain.ReviewRun{{ID: "run-1", SessionID: "mer-1", TargetSHA: "sha1", Status: domain.ReviewRunRunning}},
}
launcher := &fakeLauncher{}
eng := newEngineForTest(store, fakeSessions{rec: liveWorker(), ok: true}, prAt("sha1"), fakeProjects{}, launcher)
res, err := eng.Trigger(context.Background(), "mer-1")
if err != nil {
t.Fatalf("Trigger: %v", err)
}
if res.Created || res.Run.ID != "run-1" || res.ReviewerHandleID != "review-mer-1" {
t.Fatalf("expected reuse of existing run: %+v", res)
}
if launcher.spawned || launcher.notified {
t.Fatalf("should not launch for an already-reviewed commit: %+v", launcher)
}
if len(store.runs) != 1 {
t.Fatalf("should not insert another run: %+v", store.runs)
}
}
func TestTriggerNotifiesLiveReviewerOnNewCommit(t *testing.T) {
store := &fakeStore{
review: &domain.Review{ID: "rev-1", SessionID: "mer-1", ReviewerHandleID: "review-mer-1"},
runs: []domain.ReviewRun{{ID: "run-0", SessionID: "mer-1", TargetSHA: "sha0", Status: domain.ReviewRunComplete}},
}
launcher := &fakeLauncher{alive: true}
eng := newEngineForTest(store, fakeSessions{rec: liveWorker(), ok: true}, prAt("sha1"), fakeProjects{}, launcher)
res, err := eng.Trigger(context.Background(), "mer-1")
if err != nil {
t.Fatalf("Trigger: %v", err)
}
if !launcher.notified || launcher.spawned {
t.Fatalf("expected notify on live reviewer: %+v", launcher)
}
if launcher.gotHandle != "review-mer-1" {
t.Fatalf("notify handle = %q", launcher.gotHandle)
}
if !res.Created || res.Run.TargetSHA != "sha1" || len(store.runs) != 2 {
t.Fatalf("expected a new run for sha1: res=%+v runs=%+v", res, store.runs)
}
}
func TestTriggerSpawnsWhenReviewerDead(t *testing.T) {
store := &fakeStore{
review: &domain.Review{ID: "rev-1", SessionID: "mer-1", ReviewerHandleID: "review-mer-1"},
runs: []domain.ReviewRun{{ID: "run-0", SessionID: "mer-1", TargetSHA: "sha0", Status: domain.ReviewRunComplete}},
}
launcher := &fakeLauncher{alive: false, handle: "review-mer-1"}
eng := newEngineForTest(store, fakeSessions{rec: liveWorker(), ok: true}, prAt("sha1"), fakeProjects{}, launcher)
if _, err := eng.Trigger(context.Background(), "mer-1"); err != nil {
t.Fatalf("Trigger: %v", err)
}
if !launcher.spawned || launcher.notified {
t.Fatalf("expected spawn when reviewer dead: %+v", launcher)
}
}
func TestTriggerLaunchFailureRecordsNothing(t *testing.T) {
store := &fakeStore{}
launcher := &fakeLauncher{spawnErr: errors.New("boom")}
eng := newEngineForTest(store, fakeSessions{rec: liveWorker(), ok: true}, prAt("sha1"), fakeProjects{}, launcher)
if _, err := eng.Trigger(context.Background(), "mer-1"); err == nil {
t.Fatal("want launch error")
}
if len(store.runs) != 0 || store.review != nil {
t.Fatalf("nothing should be persisted on launch failure: review=%+v runs=%+v", store.review, store.runs)
}
}
func TestTriggerUsesConfiguredReviewerHarness(t *testing.T) {
store := &fakeStore{}
projects := fakeProjects{cfg: domain.ProjectConfig{Reviewers: []domain.ReviewerConfig{{Harness: domain.ReviewerHarness("greptile")}}}}
launcher := &fakeLauncher{handle: "review-mer-1"}
eng := newEngineForTest(store, fakeSessions{rec: liveWorker(), ok: true}, prAt("sha1"), projects, launcher)
res, err := eng.Trigger(context.Background(), "mer-1")
if err != nil {
t.Fatalf("Trigger: %v", err)
}
if res.Run.Harness != domain.ReviewerHarness("greptile") || launcher.gotSpec.Harness != domain.ReviewerHarness("greptile") {
t.Fatalf("harness not used: run=%+v spec=%+v", res.Run, launcher.gotSpec)
}
}
func TestTriggerRejectsBadWorkerState(t *testing.T) {
t.Run("unknown worker", func(t *testing.T) {
eng := newEngineForTest(&fakeStore{}, fakeSessions{ok: false}, prAt("sha1"), fakeProjects{}, &fakeLauncher{})
if _, err := eng.Trigger(context.Background(), "mer-1"); !errors.Is(err, ErrNotFound) {
t.Fatalf("err = %v, want ErrNotFound", err)
}
})
t.Run("no pr", func(t *testing.T) {
eng := newEngineForTest(&fakeStore{}, fakeSessions{rec: liveWorker(), ok: true}, fakePRs{}, fakeProjects{}, &fakeLauncher{})
if _, err := eng.Trigger(context.Background(), "mer-1"); !errors.Is(err, ErrInvalid) {
t.Fatalf("err = %v, want ErrInvalid", err)
}
})
}
func TestSubmitRecordsVerdictAndBody(t *testing.T) {
store := &fakeStore{runs: []domain.ReviewRun{{ID: "run-1", SessionID: "mer-1", Status: domain.ReviewRunRunning}}}
eng := newEngineForTest(store, fakeSessions{rec: liveWorker(), ok: true}, prAt("sha1"), fakeProjects{}, &fakeLauncher{})
run, err := eng.Submit(context.Background(), "mer-1", "run-1", domain.VerdictChangesRequested, "please fix")
if err != nil {
t.Fatalf("Submit: %v", err)
}
if run.Status != domain.ReviewRunComplete || run.Verdict != domain.VerdictChangesRequested || run.Body != "please fix" {
t.Fatalf("run = %+v", run)
}
}
func TestSubmitValidationAndOwnership(t *testing.T) {
store := &fakeStore{runs: []domain.ReviewRun{{ID: "run-1", SessionID: "other", Status: domain.ReviewRunRunning}}}
eng := newEngineForTest(store, fakeSessions{rec: liveWorker(), ok: true}, prAt("sha1"), fakeProjects{}, &fakeLauncher{})
if _, err := eng.Submit(context.Background(), "mer-1", "", domain.VerdictApproved, ""); !errors.Is(err, ErrInvalid) {
t.Fatalf("missing run id err = %v", err)
}
if _, err := eng.Submit(context.Background(), "mer-1", "run-1", "garbage", "b"); !errors.Is(err, ErrInvalid) {
t.Fatalf("bad verdict err = %v", err)
}
if _, err := eng.Submit(context.Background(), "mer-1", "missing", domain.VerdictApproved, ""); !errors.Is(err, ErrNotFound) {
t.Fatalf("unknown run err = %v", err)
}
if _, err := eng.Submit(context.Background(), "mer-1", "run-1", domain.VerdictApproved, ""); !errors.Is(err, ErrInvalid) {
t.Fatalf("ownership err = %v", err)
}
}
func TestListReturnsHandleAndRuns(t *testing.T) {
store := &fakeStore{
review: &domain.Review{ID: "rev-1", SessionID: "mer-1", ReviewerHandleID: "review-mer-1"},
runs: []domain.ReviewRun{{ID: "run-1", SessionID: "mer-1", TargetSHA: "sha1"}},
}
eng := newEngineForTest(store, fakeSessions{rec: liveWorker(), ok: true}, prAt("sha1"), fakeProjects{}, &fakeLauncher{})
got, err := eng.List(context.Background(), "mer-1")
if err != nil {
t.Fatalf("List: %v", err)
}
if got.ReviewerHandleID != "review-mer-1" || len(got.Runs) != 1 {
t.Fatalf("list = %+v", got)
}
}