public void ExtractSnippets()
{
const int snippetTokensCount = 12;
var syntaxTree = CSharpSyntaxTree.ParseText(CommonTestData.SimpleProgramWithMethodAndProperty);
var syntaxTreeRoot = syntaxTree.GetRoot();
var tokens = syntaxTreeRoot.GetTokens().Select(t => new CSharpToken(t)).ToList();
var extractor = new SnippetsExtractor();
var converter = new TokensKindsConverter();
var snippets = extractor.GetSnippets(tokens, snippetTokensCount, converter).ToList();
Assert.AreEqual(tokens.Count - snippetTokensCount + 1, snippets.Count);
foreach (var snippet in snippets)
{
Assert.AreEqual(SnippetType.TokensKinds, snippet.SnippetType);
Assert.AreEqual(snippetTokensCount, snippet.TokensCount);
Console.WriteLine(snippet);
}
var lastTokens = tokens.TakeLast(snippetTokensCount).ToList();
var hasher = SnippetsExtractorOptions.Default.SequenceHasher;
foreach (var token in lastTokens)
{
hasher.Enqueue(converter.Convert(token));
}
Assert.AreEqual(hasher.GetCurrentHash(), snippets.Last().Hash);
}
