DataReaderVariantsAndExceptionsTest.cs

using System;
using System.IO;
using Codebelt.Extensions.Xunit;
using Xunit;

namespace Cuemon.Data
{
    public class DataReaderVariantsAndExceptionsTest : Test
    {
        public DataReaderVariantsAndExceptionsTest(ITestOutputHelper output) : base(output)
        {
        }

        [Fact]
        public void ShouldCoverPublicBehavior_DsvAndXmlReadersAndExceptions()
        {
            using (var dsv = new DsvDataReader(new StreamReader(new MemoryStream(System.Text.Encoding.UTF8.GetBytes("Id;Id\n1;2"))), setup: o => o.Delimiter = ";"))
            {
                Assert.True(dsv.Read());
                Assert.Equal(1, dsv.FieldCount);
                Assert.Equal(2, dsv.GetInt32(0));
            }

            using (var xml = new Xml.XmlDataReader(System.Xml.XmlReader.Create(new StringReader("<root><item>1</item><item>2</item></root>"))))
            {
                Assert.True(xml.Read());
                Assert.Equal(1, xml.Depth);
                Assert.Equal(1, xml.GetInt32(0));
                Assert.True(xml.Read());
                Assert.Equal(2, xml.GetInt32(0));
                Assert.False(xml.Read());
            }

            var exception = new UniqueIndexViolationException("duplicate", new InvalidOperationException("inner"));
            Assert.Equal("duplicate", exception.Message);
            Assert.IsType<InvalidOperationException>(exception.InnerException);
        }
    }
}