slack5-1770606136/services/preferences-api/internal/service/preference_test.go
rdev-worker a0ff64af5e
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build: /implement-feature user-preferences
2026-02-09 03:30:01 +00:00

269 lines
7.3 KiB
Go

package service
import (
"context"
"errors"
"sync"
"testing"
"git.threesix.ai/jordan/slack5-1770606136/pkg/logging"
"git.threesix.ai/jordan/slack5-1770606136/services/preferences-api/internal/domain"
"git.threesix.ai/jordan/slack5-1770606136/services/preferences-api/internal/port"
)
// mockPreferenceRepository implements port.PreferenceRepository for testing.
type mockPreferenceRepository struct {
mu sync.RWMutex
prefs map[string]*domain.UserPreferences
}
var _ port.PreferenceRepository = (*mockPreferenceRepository)(nil)
func newMockPreferenceRepository() *mockPreferenceRepository {
return &mockPreferenceRepository{
prefs: make(map[string]*domain.UserPreferences),
}
}
func (m *mockPreferenceRepository) Get(ctx context.Context, userID string) (*domain.UserPreferences, error) {
m.mu.RLock()
defer m.mu.RUnlock()
p, ok := m.prefs[userID]
if !ok {
return nil, nil
}
// Return a copy
cp := *p
cpPrefs := make(map[string]any)
for k, v := range p.Preferences {
cpPrefs[k] = v
}
cp.Preferences = cpPrefs
return &cp, nil
}
func (m *mockPreferenceRepository) Upsert(ctx context.Context, prefs *domain.UserPreferences) error {
m.mu.Lock()
defer m.mu.Unlock()
cp := *prefs
cpPrefs := make(map[string]any)
for k, v := range prefs.Preferences {
cpPrefs[k] = v
}
cp.Preferences = cpPrefs
m.prefs[prefs.UserID] = &cp
return nil
}
func TestPreferenceService_Get(t *testing.T) {
repo := newMockPreferenceRepository()
svc := NewPreferenceService(repo, logging.Nop())
t.Run("returns nil for non-existent user", func(t *testing.T) {
result, err := svc.Get(context.Background(), "user-1")
if err != nil {
t.Fatalf("unexpected error: %v", err)
}
if result != nil {
t.Error("expected nil result for non-existent user")
}
})
t.Run("returns existing preferences", func(t *testing.T) {
_, _ = svc.Upsert(context.Background(), UpsertInput{
UserID: "user-2",
Preferences: map[string]any{"theme": "dark"},
})
result, err := svc.Get(context.Background(), "user-2")
if err != nil {
t.Fatalf("unexpected error: %v", err)
}
if result == nil {
t.Fatal("expected non-nil result")
}
if result.Preferences["theme"] != "dark" {
t.Errorf("expected theme 'dark', got '%v'", result.Preferences["theme"])
}
})
}
func TestPreferenceService_Upsert(t *testing.T) {
repo := newMockPreferenceRepository()
svc := NewPreferenceService(repo, logging.Nop())
t.Run("creates preferences for new user", func(t *testing.T) {
result, err := svc.Upsert(context.Background(), UpsertInput{
UserID: "user-1",
Preferences: map[string]any{
"theme": "dark",
"language": "en",
},
})
if err != nil {
t.Fatalf("unexpected error: %v", err)
}
if result.Preferences["theme"] != "dark" {
t.Errorf("expected theme 'dark', got '%v'", result.Preferences["theme"])
}
if result.Preferences["language"] != "en" {
t.Errorf("expected language 'en', got '%v'", result.Preferences["language"])
}
})
t.Run("merges preferences with existing", func(t *testing.T) {
result, err := svc.Upsert(context.Background(), UpsertInput{
UserID: "user-1",
Preferences: map[string]any{
"notifications_enabled": true,
},
})
if err != nil {
t.Fatalf("unexpected error: %v", err)
}
// Existing keys should be preserved
if result.Preferences["theme"] != "dark" {
t.Errorf("expected theme 'dark' preserved, got '%v'", result.Preferences["theme"])
}
if result.Preferences["language"] != "en" {
t.Errorf("expected language 'en' preserved, got '%v'", result.Preferences["language"])
}
// New key should be added
if result.Preferences["notifications_enabled"] != true {
t.Errorf("expected notifications_enabled true, got '%v'", result.Preferences["notifications_enabled"])
}
})
t.Run("overwrites existing key", func(t *testing.T) {
result, err := svc.Upsert(context.Background(), UpsertInput{
UserID: "user-1",
Preferences: map[string]any{
"theme": "light",
},
})
if err != nil {
t.Fatalf("unexpected error: %v", err)
}
if result.Preferences["theme"] != "light" {
t.Errorf("expected theme 'light', got '%v'", result.Preferences["theme"])
}
// Other keys preserved
if result.Preferences["language"] != "en" {
t.Errorf("expected language 'en' preserved, got '%v'", result.Preferences["language"])
}
})
t.Run("accepts unknown keys without validation", func(t *testing.T) {
result, err := svc.Upsert(context.Background(), UpsertInput{
UserID: "user-2",
Preferences: map[string]any{
"custom_setting": "anything",
"sidebar_width": 42.0,
},
})
if err != nil {
t.Fatalf("unexpected error: %v", err)
}
if result.Preferences["custom_setting"] != "anything" {
t.Errorf("expected custom_setting 'anything', got '%v'", result.Preferences["custom_setting"])
}
})
t.Run("rejects invalid theme", func(t *testing.T) {
_, err := svc.Upsert(context.Background(), UpsertInput{
UserID: "user-3",
Preferences: map[string]any{
"theme": "neon",
},
})
if err == nil {
t.Fatal("expected error for invalid theme")
}
if !errors.Is(err, domain.ErrInvalidPreferenceValue) {
t.Errorf("expected ErrInvalidPreferenceValue, got %v", err)
}
var valErr *ValidationError
if !errors.As(err, &valErr) {
t.Fatal("expected ValidationError type")
}
if valErr.Details["theme"] == "" {
t.Error("expected details for theme key")
}
})
t.Run("rejects invalid language", func(t *testing.T) {
_, err := svc.Upsert(context.Background(), UpsertInput{
UserID: "user-3",
Preferences: map[string]any{
"language": "not-a-language-!!!",
},
})
if err == nil {
t.Fatal("expected error for invalid language")
}
var valErr *ValidationError
if !errors.As(err, &valErr) {
t.Fatal("expected ValidationError type")
}
if valErr.Details["language"] == "" {
t.Error("expected details for language key")
}
})
t.Run("rejects non-boolean notifications_enabled", func(t *testing.T) {
_, err := svc.Upsert(context.Background(), UpsertInput{
UserID: "user-3",
Preferences: map[string]any{
"notifications_enabled": "yes",
},
})
if err == nil {
t.Fatal("expected error for non-boolean notifications_enabled")
}
var valErr *ValidationError
if !errors.As(err, &valErr) {
t.Fatal("expected ValidationError type")
}
if valErr.Details["notifications_enabled"] == "" {
t.Error("expected details for notifications_enabled key")
}
})
t.Run("collects multiple validation errors", func(t *testing.T) {
_, err := svc.Upsert(context.Background(), UpsertInput{
UserID: "user-3",
Preferences: map[string]any{
"theme": "invalid",
"notifications_enabled": "not-bool",
},
})
if err == nil {
t.Fatal("expected error for multiple invalid values")
}
var valErr *ValidationError
if !errors.As(err, &valErr) {
t.Fatal("expected ValidationError type")
}
if len(valErr.Details) != 2 {
t.Errorf("expected 2 validation errors, got %d", len(valErr.Details))
}
})
t.Run("accepts valid BCP-47 tags", func(t *testing.T) {
validTags := []string{"en", "fr", "es", "de", "ja", "zh-Hans", "pt-BR"}
for _, tag := range validTags {
_, err := svc.Upsert(context.Background(), UpsertInput{
UserID: "user-lang-" + tag,
Preferences: map[string]any{
"language": tag,
},
})
if err != nil {
t.Errorf("expected no error for valid BCP-47 tag '%s', got %v", tag, err)
}
}
})
}