AccessStudy/AccessStudy.CoreTest/OleDbUtilTest.cs

using System;
using System.Collections.Generic;
using System.Text;

using Xunit;

using Shouldly;
using Shouldly.Configuration;
using Shouldly.ShouldlyExtensionMethods;

using AccessStudy.Core;
using System.Data.OleDb;

namespace AccessStudy.CoreTest
{
    public class OleDbUtilTest:IDisposable
    {

        private readonly OledbUtil _dbUtil;
        public OleDbUtilTest()
        {
            _dbUtil = new OledbUtil();
        }

        [Fact]
        public void DbUtil_NotNull_Test()
        {
            Assert.NotNull(_dbUtil);
        }

        [Fact]
        public void DbConnet_Test()
        {
            var con = _dbUtil.DbConnection;
            Assert.NotNull(con);

            Action action = () => 
            { 
                con.Open();
                con.Close();
                con.Dispose();

                //throw new Exception("特意抛出的异常！");
            };

            Should.NotThrow(action);
        }

        [Fact]
        public void DataSet_Test()
        {
            var ds = _dbUtil.GetDataSet("Student");

            Assert.NotNull(ds);

            Assert.NotNull(ds.Tables);

            Assert.True(ds.Tables.Count>0);
        }

        [Fact]
        public void DataTable_Test()
        {
            var dt = _dbUtil.GetDataTable("Student");
            Assert.NotNull(dt);
        }

        [Fact]
        public void DataReader_Test()
        {
            Action action = () => 
            {
                var dataReader = _dbUtil.GetDataReader("Student");
                while (dataReader.Read())
                {
                    break;
                }

                dataReader.Close();
            };

            Should.NotThrow(action);
        }


        [Fact]
        public void Scalar_Test()
        {
            var sqlText = @"select count(*) as Total from Student where Age>@Age;";
            List<OleDbParameter> paras = new List<OleDbParameter>()
            {
                new OleDbParameter("Age",1),
            };

            var total = (int)_dbUtil.GetScalar(sqlText, paras);

            Assert.True(total >= 0);
        }

        
        [Fact]
        public void NonQuery_Test()
        {
            var sqlText = @"update Student Set Age=Age+1 where Age>@Age and Name <>@Name;";
            List<OleDbParameter> paras = new List<OleDbParameter>()
            {
                new OleDbParameter("Age",1),
                new OleDbParameter("Name","王高峰"),
            };

            var total = _dbUtil.ExecuteNonQuery(sqlText, paras);

            Assert.True(total >= 0);
        }



        public void Dispose()
        {
        }
    }
}