public async Task Begin_InvalidFormatException()
{
using (StreamReader sr = new StreamReader(new MemoryStream(Encoding.UTF8.GetBytes(MY_HERITAGE_INVALID_FORMAT_SAMPLE))))
{
IFormatReader reader = new MyHeritageV2Reader(sr);
await Assert.ThrowsAsync <InvalidFormatException>(async() => await reader.Begin());
}
}
public async Task ReadNext_Throws_WhenInvalidRecord()
{
using (StreamReader sr = new StreamReader(new MemoryStream(Encoding.UTF8.GetBytes(MY_HERITAGE_INVALID_RECORD_SAMPLE))))
{
IFormatReader reader = new MyHeritageV2Reader(sr);
await reader.Begin();
await Assert.ThrowsAsync <InvalidFormatException>(async() => await reader.ReadNext());
}
}
public async Task Begin_ReadsFileToToEndOfHeader()
{
using (StreamReader sr = new StreamReader(new MemoryStream(Encoding.UTF8.GetBytes(MY_HERITAGE_SAMPLE))))
{
MyHeritageV2Reader reader = new MyHeritageV2Reader(sr);
await reader.Begin();
SNP snp = await reader.ReadNext();
Assert.NotNull(snp);
Assert.Equal("rs547237130", snp.Rsid);
}
}
public async Task ReadNext_ReturnsNull_WhenEndOfStream()
{
using (StreamReader sr = new StreamReader(new MemoryStream(Encoding.UTF8.GetBytes(MY_HERITAGE_SAMPLE))))
{
IFormatReader reader = new MyHeritageV2Reader(sr);
await reader.Begin();
sr.ReadToEnd();
SNP snp1 = await reader.ReadNext();
Assert.Null(snp1);
}
}
public async Task ReadNext_ReadsSNPRecord()
{
using (StreamReader sr = new StreamReader(new MemoryStream(Encoding.UTF8.GetBytes(MY_HERITAGE_SAMPLE))))
{
IFormatReader reader = new MyHeritageV2Reader(sr);
await reader.Begin();
SNP snp1 = await reader.ReadNext();
SNP snp2 = await reader.ReadNext();
Assert.NotNull(snp1);
Assert.NotNull(snp2);
Assert.Equal("rs547237130", snp1.Rsid);
Assert.Equal("rs562180473", snp2.Rsid);
}
}
