tercul-backend/internal/data/cache/cached_work_repository_test.go
Damir Mukimov d50722dad5
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Refactor ID handling to use UUIDs across the application
- Updated database models and repositories to replace uint IDs with UUIDs.
- Modified test fixtures to generate and use UUIDs for authors, translations, users, and works.
- Adjusted mock implementations to align with the new UUID structure.
- Ensured all relevant functions and methods are updated to handle UUIDs correctly.
- Added necessary imports for UUID handling in various files.
2025-12-27 00:33:34 +01:00

288 lines
8.6 KiB
Go

package cache
import (
"context"
"encoding/json"
"errors"
"sync"
"testing"
"time"
"tercul/internal/domain"
"gorm.io/gorm"
"github.com/stretchr/testify/require"
)
// memCache is a tiny in-memory implementation of platform_cache.Cache for tests.
type memCache struct {
m map[string][]byte
mu sync.RWMutex
}
func newMemCache() *memCache { return &memCache{m: map[string][]byte{}} }
func (c *memCache) Get(_ context.Context, key string, value interface{}) error {
c.mu.RLock()
defer c.mu.RUnlock()
b, ok := c.m[key]
if !ok {
return errors.New("cache miss")
}
return json.Unmarshal(b, value)
}
func (c *memCache) Set(_ context.Context, key string, value interface{}, expiration time.Duration) error {
b, err := json.Marshal(value)
if err != nil {
return err
}
c.mu.Lock()
defer c.mu.Unlock()
c.m[key] = b
return nil
}
func (c *memCache) Delete(_ context.Context, key string) error {
c.mu.Lock()
defer c.mu.Unlock()
delete(c.m, key)
return nil
}
func (c *memCache) Clear(_ context.Context) error {
c.mu.Lock()
c.m = map[string][]byte{}
c.mu.Unlock()
return nil
}
func (c *memCache) GetMulti(_ context.Context, keys []string) (map[string][]byte, error) {
res := map[string][]byte{}
c.mu.RLock()
defer c.mu.RUnlock()
for _, k := range keys {
if v, ok := c.m[k]; ok {
res[k] = v
}
}
return res, nil
}
func (c *memCache) SetMulti(_ context.Context, items map[string]interface{}, expiration time.Duration) error {
for k, v := range items {
b, _ := json.Marshal(v)
c.m[k] = b
}
return nil
}
// dummyWorkRepo implements the minimal parts of domain.WorkRepository we need for tests.
type dummyWorkRepo struct {
store map[uint]*domain.Work
calls int
mu sync.Mutex
}
func newDummyWorkRepo() *dummyWorkRepo { return &dummyWorkRepo{store: map[uint]*domain.Work{}} }
func (d *dummyWorkRepo) Create(_ context.Context, entity *domain.Work) error {
d.mu.Lock()
defer d.mu.Unlock()
d.calls++
d.store[entity.ID] = entity
return nil
}
func (d *dummyWorkRepo) CreateInTx(_ context.Context, tx *gorm.DB, entity *domain.Work) error {
return errors.New("not implemented")
}
func (d *dummyWorkRepo) GetByID(_ context.Context, id uuid.UUID) (*domain.Work, error) {
d.mu.Lock()
defer d.mu.Unlock()
d.calls++
w, ok := d.store[id]
if !ok {
return nil, errors.New("not found")
}
// return a copy to ensure caching serializes
cp := *w
return &cp, nil
}
func (d *dummyWorkRepo) GetByIDWithOptions(_ context.Context, id uint, options *domain.QueryOptions) (*domain.Work, error) {
return d.GetByID(context.Background(), id)
}
func (d *dummyWorkRepo) Update(_ context.Context, entity *domain.Work) error {
d.mu.Lock()
defer d.mu.Unlock()
d.calls++
if _, ok := d.store[entity.ID]; !ok {
return errors.New("not found")
}
d.store[entity.ID] = entity
return nil
}
func (d *dummyWorkRepo) UpdateInTx(_ context.Context, tx *gorm.DB, entity *domain.Work) error {
return errors.New("not implemented")
}
func (d *dummyWorkRepo) Delete(_ context.Context, id uint) error {
d.mu.Lock()
defer d.mu.Unlock()
d.calls++
if _, ok := d.store[id]; !ok {
return errors.New("not found")
}
delete(d.store, id)
return nil
}
func (d *dummyWorkRepo) DeleteInTx(_ context.Context, tx *gorm.DB, id uint) error {
return errors.New("not implemented")
}
func (d *dummyWorkRepo) List(_ context.Context, page, pageSize int) (*domain.PaginatedResult[domain.Work], error) {
return &domain.PaginatedResult[domain.Work]{Items: []domain.Work{}}, nil
}
func (d *dummyWorkRepo) ListWithOptions(_ context.Context, options *domain.QueryOptions) ([]domain.Work, error) {
return nil, nil
}
func (d *dummyWorkRepo) ListAll(_ context.Context) ([]domain.Work, error) { return nil, nil }
func (d *dummyWorkRepo) Count(_ context.Context) (int64, error) { return 0, nil }
func (d *dummyWorkRepo) CountWithOptions(_ context.Context, options *domain.QueryOptions) (int64, error) {
return 0, nil
}
func (d *dummyWorkRepo) FindWithPreload(_ context.Context, preloads []string, id uint) (*domain.Work, error) {
return d.GetByID(context.Background(), id)
}
func (d *dummyWorkRepo) GetAllForSync(_ context.Context, batchSize, offset int) ([]domain.Work, error) {
return nil, nil
}
func (d *dummyWorkRepo) Exists(_ context.Context, id uint) (bool, error) {
_, ok := d.store[id]
return ok, nil
}
func (d *dummyWorkRepo) BeginTx(_ context.Context) (*gorm.DB, error) { return nil, nil }
func (d *dummyWorkRepo) WithTx(_ context.Context, fn func(tx *gorm.DB) error) error {
return fn(nil)
}
func (d *dummyWorkRepo) FindByTitle(_ context.Context, title string) ([]domain.Work, error) {
return nil, nil
}
func (d *dummyWorkRepo) FindByAuthor(_ context.Context, authorID uint) ([]domain.Work, error) {
return nil, nil
}
func (d *dummyWorkRepo) FindByCategory(_ context.Context, categoryID uint) ([]domain.Work, error) {
return nil, nil
}
func (d *dummyWorkRepo) GetWithTranslations(_ context.Context, id uint) (*domain.Work, error) {
return d.GetByID(context.Background(), id)
}
func (d *dummyWorkRepo) GetWithAssociations(_ context.Context, id uint) (*domain.Work, error) {
return d.GetByID(context.Background(), id)
}
func (d *dummyWorkRepo) GetWithAssociationsInTx(_ context.Context, tx *gorm.DB, id uint) (*domain.Work, error) {
return d.GetByID(context.Background(), id)
}
func (d *dummyWorkRepo) ListWithTranslations(_ context.Context, page, pageSize int) (*domain.PaginatedResult[domain.Work], error) {
// return a simple paginated result of all works
items := []domain.Work{}
for _, w := range d.store {
items = append(items, *w)
}
start := (page - 1) * pageSize
if start < 0 {
start = 0
}
end := start + pageSize
if start >= len(items) {
return &domain.PaginatedResult[domain.Work]{Items: []domain.Work{}}, nil
}
if end > len(items) {
end = len(items)
}
return &domain.PaginatedResult[domain.Work]{Items: items[start:end], TotalCount: int64(len(items)), Page: page, PageSize: pageSize}, nil
}
func (d *dummyWorkRepo) FindByLanguage(_ context.Context, language string, page, pageSize int) (*domain.PaginatedResult[domain.Work], error) {
items := []domain.Work{}
for _, w := range d.store {
if w.Language == language {
items = append(items, *w)
}
}
start := (page - 1) * pageSize
if start < 0 {
start = 0
}
end := start + pageSize
if start >= len(items) {
return &domain.PaginatedResult[domain.Work]{Items: []domain.Work{}}, nil
}
if end > len(items) {
end = len(items)
}
return &domain.PaginatedResult[domain.Work]{Items: items[start:end], TotalCount: int64(len(items)), Page: page, PageSize: pageSize}, nil
}
func (d *dummyWorkRepo) IsAuthor(_ context.Context, workID uint, authorID uint) (bool, error) {
return false, nil
}
func (d *dummyWorkRepo) ListByCollectionID(_ context.Context, collectionID uint) ([]domain.Work, error) {
return nil, nil
}
func TestCachedWork_GetByID_Caches(t *testing.T) {
ctx := context.Background()
d := newDummyWorkRepo()
d.store[1] = &domain.Work{Title: "initial", TranslatableModel: domain.TranslatableModel{BaseModel: domain.BaseModel{ID: 1}}}
mc := newMemCache()
cw := NewCachedWorkRepository(d, mc, nil)
w, err := cw.GetByID(ctx, 1)
require.NoError(t, err)
require.Equal(t, "initial", w.Title)
require.Equal(t, 1, d.calls)
// second read should hit cache and not increment inner calls
w2, err := cw.GetByID(ctx, 1)
require.NoError(t, err)
require.Equal(t, "initial", w2.Title)
require.Equal(t, 1, d.calls)
}
func TestCachedWork_Update_Invalidates(t *testing.T) {
ctx := context.Background()
d := newDummyWorkRepo()
d.store[1] = &domain.Work{Title: "initial", TranslatableModel: domain.TranslatableModel{BaseModel: domain.BaseModel{ID: 1}}}
mc := newMemCache()
cw := NewCachedWorkRepository(d, mc, nil)
_, err := cw.GetByID(ctx, 1)
require.NoError(t, err)
require.Equal(t, 1, d.calls)
// Update underlying entity
d.store[1] = &domain.Work{Title: "updated", TranslatableModel: domain.TranslatableModel{BaseModel: domain.BaseModel{ID: 1}}}
err = cw.Update(ctx, d.store[1])
require.NoError(t, err)
// Next GetByID should call inner again (cache invalidated)
w, err := cw.GetByID(ctx, 1)
require.NoError(t, err)
require.Equal(t, "updated", w.Title)
require.Equal(t, 3, d.calls, "expected inner to be called again for update invalidation")
}
func TestCachedWork_Delete_Invalidates(t *testing.T) {
ctx := context.Background()
d := newDummyWorkRepo()
d.store[1] = &domain.Work{Title: "initial", TranslatableModel: domain.TranslatableModel{BaseModel: domain.BaseModel{ID: 1}}}
mc := newMemCache()
cw := NewCachedWorkRepository(d, mc, nil)
_, err := cw.GetByID(ctx, 1)
require.NoError(t, err)
// delete
err = cw.Delete(ctx, 1)
require.NoError(t, err)
_, err = cw.GetByID(ctx, 1)
require.Error(t, err)
}