query-orchestration/internal/database/connection_test.go

package database_test

import (
	"context"
	"os"
	"path"
	"queryorchestration/internal/database"
	"queryorchestration/internal/database/repository"
	"queryorchestration/internal/test"
	"testing"

	"github.com/google/uuid"
	"github.com/pashagolub/pgxmock/v3"
	"github.com/stretchr/testify/assert"
)

func TestDBConn(t *testing.T) {
	if testing.Short() {
		t.Skip("Skipping long test in short mode")
	}
	ctx := context.Background()
	_, cleanup := test.CreateDB(t, ctx, &test.CreateDatabaseConfig{
		Migrations: &database.MigrationConfig{
			BasePath: path.Join(os.Getenv("PWD"), "../.."),
		},
	})
	defer cleanup()

	pool := database.GetDBPool(ctx)
	assert.NotNil(t, pool)
}

func TestExecuteTransaction(t *testing.T) {
	ctx := context.Background()

	pool, err := pgxmock.NewPool()
	if err != nil {
		t.Fatalf("failed to open pgxmock database: %v", err)
	}
	queries := repository.New(pool)
	db := &database.Connection{
		Queries: queries,
		Pool:    pool,
	}

	clientID := database.MustToDBUUID(uuid.New())
	clientName := "example_client"

	pool.ExpectBegin()
	pool.ExpectQuery("name: CreateClient :one").WithArgs(clientName).
		WillReturnRows(
			pgxmock.NewRows([]string{"id"}).
				AddRow(clientID),
		)
	pool.ExpectCommit()

	err = database.ExecuteTransaction(ctx, db, func(ctx context.Context, q *repository.Queries) error {
		id, err := q.CreateClient(ctx, "example_client")
		assert.Nil(t, err)
		assert.Equal(t, clientID, id)

		return nil
	})
	assert.Nil(t, err)
}