feat: activity log backend foundation

test/activity_support_test.go

@@ -0,0 +1,140 @@
+package test
+
+import (
+	"RenewCMS/internal/domain/audit"
+	"RenewCMS/internal/infrastructure/auditing"
+	persistence "RenewCMS/internal/infrastructure/persistence/repositories"
+	"bytes"
+	"context"
+	"errors"
+	"log"
+	"testing"
+	"time"
+)
+
+var testCtx = context.Background()
+
+var discardRecorder audit.Recorder = audit.Discard
+
+type activityProbeRepo struct {
+	inner       audit.Repository
+	appendErr   error
+	appendPanic bool
+	reads       int
+	listCalls   []audit.Filter
+	deleteErr   error
+	deleteCalls int
+	readErr     error
+}
+
+var _ audit.Repository = &activityProbeRepo{}
+
+func (p *activityProbeRepo) Append(event audit.Event) (audit.Event, error) {
+	if p.appendPanic {
+		panic("audit repository exploded")
+	}
+	if p.appendErr != nil {
+		return audit.Event{}, p.appendErr
+	}
+	return p.inner.Append(event)
+}
+
+func (p *activityProbeRepo) List(filter audit.Filter) (audit.Page, error) {
+	p.reads++
+	p.listCalls = append(p.listCalls, filter)
+	if p.readErr != nil {
+		return audit.Page{}, p.readErr
+	}
+	return p.inner.List(filter)
+}
+
+func (p *activityProbeRepo) Summary(query audit.SummaryQuery) (audit.Summary, error) {
+	p.reads++
+	if p.readErr != nil {
+		return audit.Summary{}, p.readErr
+	}
+	return p.inner.Summary(query)
+}
+
+func (p *activityProbeRepo) DeleteOlderThan(cutoff time.Time) (int, error) {
+	p.deleteCalls++
+	if p.deleteErr != nil {
+		return 0, p.deleteErr
+	}
+	return p.inner.DeleteOlderThan(cutoff)
+}
+
+type activitySettingsFake struct {
+	settings    audit.Settings
+	saveErr     error
+	retentionOK int
+	cleanupOK   int
+}
+
+var _ audit.SettingsRepository = &activitySettingsFake{}
+
+func newActivitySettingsFake() *activitySettingsFake {
+	return &activitySettingsFake{settings: audit.DefaultSettings()}
+}
+
+func (f *activitySettingsFake) Get() (audit.Settings, error) { return f.settings, nil }
+
+func (f *activitySettingsFake) SaveRetention(days int) error {
+	if f.saveErr != nil {
+		return f.saveErr
+	}
+	f.retentionOK++
+	f.settings.RetentionDays = days
+	return nil
+}
+
+func (f *activitySettingsFake) SaveLastCleanup(at time.Time, removed int) error {
+	if f.saveErr != nil {
+		return f.saveErr
+	}
+	f.cleanupOK++
+	f.settings.LastCleanupAt = &at
+	f.settings.LastCleanupRemoved = removed
+	return nil
+}
+
+type activityHarness struct {
+	probe    *activityProbeRepo
+	store    *persistence.AuditEventRepository
+	settings *activitySettingsFake
+	logs     *bytes.Buffer
+	now      time.Time
+	recorder *auditing.Recorder
+}
+
+func newActivityHarness(t *testing.T) *activityHarness {
+	t.Helper()
+	store := persistence.NewAuditEventRepository(openActivityDatabase(t))
+	h := &activityHarness{
+		probe:    &activityProbeRepo{inner: store},
+		store:    store,
+		settings: newActivitySettingsFake(),
+		logs:     &bytes.Buffer{},
+		now:      time.Date(2026, time.October, 6, 12, 0, 0, 0, time.UTC),
+	}
+	h.recorder = auditing.NewRecorder(h.probe, func() time.Time { return h.now }, log.New(h.logs, "", 0))
+	return h
+}
+
+func (h *activityHarness) clock() time.Time { return h.now }
+
+func (h *activityHarness) all(t *testing.T) []audit.Event {
+	t.Helper()
+	page, err := h.store.List(audit.Filter{Page: 1, Size: 1000})
+	if err != nil {
+		t.Fatalf("listing stored events failed: %v", err)
+	}
+	return page.Items
+}
+
+func (h *activityHarness) seed(t *testing.T, event audit.Event) audit.Event {
+	t.Helper()
+	return activityMustAppend(t, h.store, event)
+}
+
+var errDiskFull = errors.New("disk full")