public void CorrectlyFindsDependencies()
{
// Arrange
var analyzer = new ExpressionAnalyzer();
var sourceId = Guid.NewGuid();
var result = new Result <int>(sourceId);
Expression <Func <int> > expr = () => result.Get();
// Act
analyzer.Visit(expr);
// Assert
Assert.That(analyzer.IsValid, Is.True);
Assert.That(analyzer.Dependencies.Count, Is.EqualTo(1));
Assert.That(analyzer.Dependencies[0], Is.EqualTo(sourceId));
}