using System;
using System.Data.SqlClient;
using NUnit.Framework;


namespace DatabaseUnitTesting
{
    public class TestSetups
    {
        private SqlConnection _connection;
        private SqlTransaction _transaction;
        private DatabaseModificationTester _unitTests;
        private const bool _BSETUPMODE = false;
        private SqlCommand _command;
        private string _testResultsInitialPath = AppDomain.CurrentDomain.BaseDirectory + @"..\..\TestResults\";


        [OneTimeSetUp]
        public void TFSetup()
        {
            //Define the connection string
            string connectionString = Properties.Settings.Default["ConnectionString"].ToString();
            _connection = new SqlConnection(connectionString);

            _connection.Open();
            //a database snapshot is created under the hood in this constructor

            _unitTests = new DatabaseModificationTester(_connection, Properties.Settings.Default.DBName, Properties.Settings.Default.DBSnapshot);
        }

        [OneTimeTearDown]
        public void TFTearDown()
        {
            //a database snapshot is dropped under the hood in this method
            _unitTests.Dispose();
            // deleting test data is skipped
            _connection.Close();
        }

        [SetUp]
        public void SetUp()
        {
            _transaction = _unitTests.BeginTestTransaction();
            _command = _connection.CreateCommand();
            _command.Transaction = _transaction;
        }

        [TearDown]
        public void TearDown()
        {
            _unitTests.EndTestTransaction();
        }

        public String TestResultPath
        {
            get
            {
                return _testResultsInitialPath;
            }
        }
        public DatabaseModificationTester UnitTests
        {
            get
            {
                return _unitTests;
            }
        }
        public bool BSETUPMODE
        {
            get
            {
                return _BSETUPMODE;
            }
        }
        public SqlCommand Command
        {
            get
            {
                return _command;
            }
        }

    }
}