/// <summary>
/// Write a description of the constraint to a MessageWriter
/// </summary>
/// <param name="writer"></param>
public override void WriteDescriptionTo(MessageWriter writer)
{
var description = new DescriptionStructureHelper();
var filterExpression = description.GetFilterExpression(Request.GetAllFilters());
if (Expected.Count() == 1)
{
writer.WritePredicate(string.Format("find a {0} named '{1}' contained {2}",
description.GetTargetExpression(Request.Target),
Expected.First(),
filterExpression));
}
else
{
var expectationExpression = new StringBuilder();
foreach (string item in Expected)
{
expectationExpression.AppendFormat("<{0}>, ", item);
}
expectationExpression.Remove(expectationExpression.Length - 2, 2);
writer.WritePredicate(string.Format("find the {0} named '{1}' contained {2}",
description.GetTargetPluralExpression(Request.Target),
expectationExpression.ToString(),
filterExpression));
}
}
/// <summary>
/// Write a description of the constraint to a MessageWriter
/// </summary>
/// <param name="writer"></param>
public override void WriteDescriptionTo(MessageWriter writer)
{
var description = new DescriptionStructureHelper();
var filterExpression = description.GetFilterExpression(Command.Description.Filters.Where(f => f is CaptionFilter).Cast <CaptionFilter>());
if (!string.IsNullOrEmpty(filterExpression))
{
filterExpression = string.Format(" contained {0}", filterExpression);
}
if (Expected.Count() == 1)
{
writer.WritePredicate(string.Format("find a {0} named '{1}'{2}.",
description.GetTargetExpression(Command.Description.Target),
Expected.First(),
filterExpression));
}
else
{
var expectationExpression = new StringBuilder();
foreach (string item in Expected)
{
expectationExpression.AppendFormat("<{0}>, ", item);
}
expectationExpression.Remove(expectationExpression.Length - 2, 2);
writer.WritePredicate(string.Format("find the {0} named '{1}'{2}.",
description.GetTargetPluralExpression(Command.Description.Target),
expectationExpression.ToString(),
filterExpression));
}
}
/// <inheritdoc/>
public string GetMessage()
{
string expectedString = $"Expected ";
if (Expected.Count() > 1)
{
expectedString += "one of ";
}
expectedString += string.Join(", ", Expected.Select(x => string.IsNullOrEmpty(x) ? "EOF" : x).Distinct());
expectedString += $" but found {Found}.";
return(expectedString);
}
public override bool Matches(IEnumerable <TSource> actual)
{
if (actual == null)
{
return(false);
}
var comparer = Comparer ?? EqualityComparer <TSource> .Default;
if (actual.Count() != Expected.Count())
{
return(false);
}
if (Expected.Zip(actual, (x, y) => comparer.Equals(x, y)).All(b => b))
{
return(true);
}
return(false);
}
