public ParseState(ISequence <TInput> input, Action <string> logCallback, IMemoryCache cache)
{
Input = input;
_store = new CascadingKeyValueStore();
_logCallback = logCallback;
Cache = new MemoryCacheResultsCache(cache);
}
public void Method_Parse_MultiOutput()
{
var parser = Cache(ProduceMulti(() => new[] { "abc" }));
var input = new StringCharacterSequence("TEST");
var start = input.Checkpoint();
var cache = new MemoryCacheResultsCache();
var state = new ParseState <char>(input, _ => { }, cache);
// First attempt, we parse the string for the first time. There's nothing in cache
var result = parser.Parse(state);
result.Success.Should().BeTrue();
result.Results[0].Value.Should().Be("abc");
var stats = cache.GetStatistics();
stats.Attempts.Should().Be(1);
stats.Misses.Should().Be(1);
stats.Hits.Should().Be(0);
// Second attempt, we start from the beginning again, but now the value is in cache
// already. We keep the same statistics from last time (1 attempt, 1 miss) and append
// the new hit
start.Rewind();
result = parser.Parse(state);
result.Success.Should().BeTrue();
result.Results[0].Value.Should().Be("abc");
stats = cache.GetStatistics();
stats.Attempts.Should().Be(2);
stats.Misses.Should().Be(1);
stats.Hits.Should().Be(1);
}
