notification repo test

Makefile

@@ -45,3 +45,7 @@ all: auth_service user_service event_service image_service notification_service
 
 clean:
 	rm -rf $(BIN_DIR)
+
+coverage:
+	go test $(go list ./... | grep -vE '/mocks|/docs|/vendor|/api|_easyjson.go') -coverprofile=coverage.out -coverpkg=$(go list ./... | grep -vE '/mocks|/vendor|/api|/docs|_easyjson.go' | tr '\n' ,) && go tool cover -func=coverage.out | grep total
+	go tool cover -func=coverage.out

internal/notification/repository/notification.go

@@ -3,17 +3,25 @@ package repository
 import (
 	"context"
 	"fmt"
+	"github.com/jackc/pgx/v5"
+	"github.com/jackc/pgx/v5/pgconn"
 
 	"kudago/internal/models"
-
-	"github.com/jackc/pgx/v5/pgxpool"
 )
 
 type NotificationDB struct {
-	pool *pgxpool.Pool
+	pool Pool
+}
+
+type Pool interface {
+	Begin(ctx context.Context) (pgx.Tx, error)
+	Exec(ctx context.Context, sql string, arguments ...any) (pgconn.CommandTag, error)
+	Query(ctx context.Context, sql string, args ...interface{}) (pgx.Rows, error)
+	QueryRow(ctx context.Context, sql string, args ...any) pgx.Row
+	SendBatch(ctx context.Context, b *pgx.Batch) pgx.BatchResults
 }
 
-func NewDB(pool *pgxpool.Pool) *NotificationDB {
+func NewDB(pool Pool) *NotificationDB {
 	return &NotificationDB{
 		pool: pool,
 	}