public void SearchInTailedFilesAndScrollIntoTheEnds()
{
var pulse = new Subject <Unit>();
using (var files = new TestFileCollection())
{
for (int i = 0; i < 10; i++)
{
files.Add(new TestFile());
files[i].Append(Enumerable.Range(1, 10).Select(j => $"{i}. files {j}. row").ToArray());
}
FileSearchResult fileSearchResult = null;
var search = files.Select(t => t.Info.WatchFile(pulse))
.Merge()
.Search(str => int.Parse(str.Split('.')[0]) % 2 != 0);
using (search.Subscribe(x => fileSearchResult = x))
{
pulse.Once();
var lines = fileSearchResult.ReadLines(new ScrollRequest(20, 30)).Select(line => line.Text);
var expectedLines = Enumerable.Range(7, 3).Select(i =>
{
return(i % 2 != 0 ? Enumerable.Range(1, 10).Select(j => $"{i}. files {j}. row") : null);
})
.Where(t => t != null)
.SelectMany(t => t).ToArray();
lines.ShouldAllBeEquivalentTo(expectedLines);
}
}
}
public void SearchInTailedFilesAndAfterAppendOneLineIntoOneFileAndSrollBegins()
{
var pulse = new Subject <Unit>();
using (var files = new TestFileCollection())
{
for (int i = 0; i < 10; i++)
{
files.Add(new TestFile());
files[i].Append(Enumerable.Range(1, 10).Select(j => $"{i}. files {j}. row").ToArray());
}
FileSearchResult fileSearchResult = null;
var search = files.Select(t => t.Info.WatchFile(pulse))
.Merge()
.Search(str => int.Parse(str.Split('.')[0]) % 2 != 0);
using (search.Subscribe(x => fileSearchResult = x))
{
pulse.Once();
files[0].Append("1. file added new row");
pulse.Once();
while (fileSearchResult?.Next != null)
{
fileSearchResult = fileSearchResult?.Next as FileSearchResult;
}
var lines = fileSearchResult.ReadLines(new ScrollRequest(20, 0)).Select(line => line.Text);
var expectedLines = Enumerable.Range(1, 3).Select(i =>
{
return(i % 2 != 0 ? Enumerable.Range(1, 10).Select(j => $"{i}. files {j}. row") : null);
})
.Where(t => t != null)
.SelectMany(t => t).ToList();
expectedLines.RemoveAt(expectedLines.Count - 1);
expectedLines =
new[] { new[] { "1. file added new row" }, expectedLines.ToArray() }.SelectMany(t => t).ToList();
lines.ShouldAllBeEquivalentTo(expectedLines.ToArray());
}
}
}