Vitorm.File/test/Vitorm.File.TableToFile.MsTest/CommonTest/Truncate_Test.cs

using Microsoft.VisualStudio.TestTools.UnitTesting;

namespace Vitorm.MsTest.CommonTest
{
    [TestClass]
    public partial class Truncate_Test
    {

        [TestMethod]
        public void Test_Truncate()
        {
            using var dbContext = DataSource.CreateDbContextForWriting();

            // assert
            {
                var count = dbContext.Query<User>().Count();
                Assert.AreEqual(6, count);
            }

            dbContext.Truncate<User>();
            DataSource.WaitForUpdate();
            // assert
            {
                var count = dbContext.Query<User>().Count();
                Assert.AreEqual(0, count);
            }

            dbContext.Add(User.NewUser(1, forAdd: true));
            DataSource.WaitForUpdate();
            // assert
            {
                var users = dbContext.Query<User>().ToList();
                Assert.AreEqual(1, users.Count);
                Assert.AreEqual(1, users[0].id);
            }

        }


        [TestMethod]
        public async Task Test_TruncateAsync()
        {
            using var dbContext = DataSource.CreateDbContextForWriting();

            // assert
            {
                var count = dbContext.Query<User>().Count();
                Assert.AreEqual(6, count);
            }

            await dbContext.TruncateAsync<User>();

            DataSource.WaitForUpdate();

            // assert
            {
                var count = dbContext.Query<User>().Count();
                Assert.AreEqual(0, count);
            }
        }



    }
}