public async Task ReverseReadsPrevAsync()
{
var lastPageCount = 10;
var prevPageCount = 3;
var logReader = new PageReaderData()
{
Id = Fixture.TestName,
Count = lastPageCount
};
long pageTop = (lastPageCount) * Fixture.TextLine(0).Length;
long pageBottom = PageReaderData.EOF;
Assert.True(Fixture.LineCount > lastPageCount, "Not enough lines to perform test.");
await LogPageReader.ReadLastAsync(logReader);
Assert.Equal(pageTop, logReader.PageTop);
Assert.Equal(pageBottom, logReader.PageBottom);
Assert.Equal(lastPageCount, logReader.Lines.Count());
pageBottom = pageTop;
pageTop = (lastPageCount + prevPageCount) * Fixture.TextLine(0).Length;
logReader.Count = prevPageCount;
await LogPageReader.ReadPrevAsync(logReader);
Assert.Equal(pageTop, logReader.PageTop);
Assert.Equal(pageBottom, logReader.PageBottom);
Assert.Equal(prevPageCount, logReader.Lines.Count());
for (var i = 0; i < prevPageCount; i++)
{
Assert.Equal(Fixture.Text(lastPageCount + prevPageCount - i), logReader.Lines.Skip(i).First());
}
}
public async Task ReverseReadsNextAsync()
{
var firstPageCount = 10;
var nextPageCount = 3;
var logReader = new PageReaderData()
{
Id = Fixture.TestName,
Count = firstPageCount
};
long pageTop = PageReaderData.EOF;
long pageBottom = (Fixture.LineCount - logReader.Count) * Fixture.TextLine(0).Length;
Assert.True(Fixture.LineCount > firstPageCount + nextPageCount, "Not enough lines to perform test.");
await LogPageReader.ReadFirstAsync(logReader);
Assert.Equal(pageTop, logReader.PageTop);
Assert.Equal(pageBottom, logReader.PageBottom);
Assert.Equal(firstPageCount, logReader.Lines.Count());
pageTop = pageBottom;
pageBottom = (Fixture.LineCount - firstPageCount - nextPageCount) * Fixture.TextLine(0).Length;
logReader.Count = nextPageCount;
await LogPageReader.ReadNextAsync(logReader);
Assert.Equal(pageTop, logReader.PageTop);
Assert.Equal(pageBottom, logReader.PageBottom);
Assert.Equal(nextPageCount, logReader.Lines.Count());
for (var i = 0; i < nextPageCount; i++)
{
Assert.Equal(Fixture.Text(Fixture.LineCount - firstPageCount - i), logReader.Lines.Skip(i).First());
}
}
public void ForwardReadsNext()
{
var firstPageCount = 10;
var nextPageCount = 3;
var logReader = new PageReaderData()
{
Id = Fixture.TestName,
Count = firstPageCount
};
long pageTop = PageReaderData.EOF;
long pageBottom = (firstPageCount) * Fixture.TextLine(0).Length;
Assert.True(Fixture.LineCount > firstPageCount + nextPageCount, "Not enough lines to perform test.");
PageReader.ReadFirst(logReader);
Assert.Equal(pageTop, logReader.PageTop);
Assert.Equal(pageBottom, logReader.PageBottom);
Assert.Equal(firstPageCount, logReader.Lines.Count());
pageTop = pageBottom;
pageBottom = (firstPageCount + nextPageCount) * Fixture.TextLine(0).Length;
logReader.Count = nextPageCount;
PageReader.ReadNext(logReader);
Assert.Equal(pageTop, logReader.PageTop);
Assert.Equal(pageBottom, logReader.PageBottom);
Assert.Equal(nextPageCount, logReader.Lines.Count());
for (var i = 0; i < nextPageCount; i++)
{
Assert.Equal(Fixture.Text(firstPageCount + i + 1), logReader.Lines.Skip(i).First());
}
}
/// <summary>
/// Performs operations for all routes to List view.
/// </summary>
public ActionResult List(PageReaderData page)
{
ModelState.Clear();
if (page == null || string.IsNullOrWhiteSpace(page.Id))
{
ModelState.AddModelError(string.Empty, "Bad or missing page read request.");
}
ViewData["CountOptions"] = CountOptions;
return(View("List", new LogFileDataModel(page)));
}
public void ForwardReadsLast()
{
var count = 3;
var logReader = new PageReaderData()
{
Id = Fixture.TestName,
Count = count
};
long pageTop = (Fixture.LineCount - count) * Fixture.TextLine(0).Length;
long pageBottom = PageReaderData.EOF;
Assert.True(Fixture.LineCount > logReader.Count, "Not enough lines to perform test.");
PageReader.ReadLast(logReader);
Assert.Equal(pageTop, logReader.PageTop);
Assert.Equal(pageBottom, logReader.PageBottom);
Assert.Equal(count, logReader.Lines.Count());
for (var i = 0; i < count; i++)
{
Assert.Equal(Fixture.Text(Fixture.LineCount - count + i + 1), logReader.Lines.Skip(i).First());
}
}
public async Task ForwardReadsFirstAsync()
{
var count = 3;
var logReader = new PageReaderData()
{
Id = Fixture.TestName,
Count = count
};
long pageTop = PageReaderData.EOF;
long pageBottom = count * Fixture.TextLine(0).Length;
Assert.True(Fixture.LineCount > logReader.Count, "Not enough lines to perform test.");
await PageReader.ReadFirstAsync(logReader);
Assert.Equal(pageTop, logReader.PageTop);
Assert.Equal(pageBottom, logReader.PageBottom);
Assert.Equal(count, logReader.Lines.Count());
for (var i = 0; i < count; i++)
{
Assert.Equal(Fixture.Text(i + 1), logReader.Lines.Skip(i).First());
}
}
public async Task <ActionResult> ForwardPrev(PageReaderData logReader)
{
return(List(await PageReader.ReadPrevAsync(logReader)));
}
public async Task <ActionResult> ReversePrev(PageReaderData logReader)
{
return(List(await LogPageReader.ReadPrevAsync(logReader)));
}
