public void FileSearcher_FindsAMatch_FiresEvents()
{
const string fileName = "Test";
const string fileContent = "Speedy thing goes in, speedy thing comes out!";
var dataSource = new TestDataSource(fileName, fileContent, Encoding.UTF8);
var fileSearcher = new FileSearcher(
new Regex("speedy", RegexOptions.None),
new[] { dataSource },
false,
0);
using var monitor = fileSearcher.Monitor();
fileSearcher.Begin();
fileSearcher.Wait();
monitor.OccurredEvents.Should().Contain(x => x.EventName == nameof(fileSearcher.MatchFound))
.Which.Parameters[1].Should().BeOfType <MatchFoundEventArgs>()
.Which.Matches.Should().BeEquivalentTo(new[] { new SearchMatch(1, fileContent, 22, 6, null, null) });
monitor.OccurredEvents.Should().Contain(x => x.EventName == nameof(fileSearcher.Completed))
.Which.Parameters[1].Should().BeOfType <CompletedEventArgs>()
.Which.FailureReason.Should().BeNull();
monitor.OccurredEvents.Should().NotContain(x => x.EventName == nameof(fileSearcher.Error));
}
static void DoTest(
string searchPattern,
IDataSource dataSource,
int contextLineCount,
params SearchMatch[] expectedResults)
{
var searcher = new FileSearcher(
new Regex(Regex.Escape(searchPattern)),
new[] { dataSource },
false,
contextLineCount,
c_MaxContextLength);
using var monitor = searcher.Monitor();
searcher.Begin();
searcher.Wait();
if (expectedResults.Length > 0)
{
monitor.OccurredEvents.Should().Contain(x => x.EventName == nameof(searcher.MatchFound))
.Which.Parameters[1].Should().BeOfType <MatchFoundEventArgs>()
.Which.Matches.Should()
.SatisfyRespectively(
expectedResults.Select <SearchMatch, Action <SearchMatch> >(
e => m => m.Should().BeEquivalentTo(e)));
}
else
{
monitor.OccurredEvents.Should().NotContain(x => x.EventName == nameof(searcher.MatchFound));
}
monitor.OccurredEvents.Should().Contain(x => x.EventName == nameof(searcher.Completed))
.Which.Parameters[1].Should().BeOfType <CompletedEventArgs>()
.Which.FailureReason.Should().BeNull();
monitor.OccurredEvents.Should().NotContain(x => x.EventName == nameof(searcher.Error));
}
