public override string Export(bool deformat)
{
return(new StringBuilder()
.Append(Include.HasFlag(Includes.Min) ? "[" : "(")
.Append(Min.Export(deformat))
.Append(Export(", ", deformat))
.Append(Max.Export(deformat))
.Append(Include.HasFlag(Includes.Max) ? "]" : ")")
.ToString());
}
private static string BuildArgumentExceptionMessage(
Validation validation,
string exceptionMessageSuffix,
Include include = Include.None,
Type genericTypeOverride = null)
{
if (validation.ApplyBecause == ApplyBecause.InLieuOfDefaultMessage)
{
// we force to empty string if null because otherwise when the exception is
// constructed the framework chooses some generic message like 'An exception of type ArgumentException was thrown'
return(validation.Because ?? string.Empty);
}
var parameterNameQualifier = validation.ParameterName == null ? string.Empty : Invariant($" '{validation.ParameterName}'");
var enumerableQualifier = validation.IsElementInEnumerable ? " contains an element that" : string.Empty;
var genericTypeQualifier = include.HasFlag(Include.GenericType) ? ", where T: " + (genericTypeOverride?.GetFriendlyTypeName() ?? validation.ValueType.GetFriendlyTypeName()) : string.Empty;
var failingValueQualifier = include.HasFlag(Include.FailingValue) ? (validation.IsElementInEnumerable ? " Element value" : " Parameter value") + Invariant($" is '{validation.Value?.ToString() ?? NullValueToString}'.") : string.Empty;
var validationParameterQualifiers = validation.ValidationParameters == null || !validation.ValidationParameters.Any() ? string.Empty : validation.ValidationParameters.Select(_ => Invariant($" Specified '{_.Name}' is '{_.Value ?? NullValueToString}'.")).Aggregate((running, current) => running + current);
var result = Invariant($"Parameter{parameterNameQualifier}{enumerableQualifier} {exceptionMessageSuffix}{genericTypeQualifier}.{failingValueQualifier}{validationParameterQualifiers}");
if (validation.ApplyBecause == ApplyBecause.PrefixedToDefaultMessage)
{
if (!string.IsNullOrWhiteSpace(validation.Because))
{
result = validation.Because + " " + result;
}
}
else if (validation.ApplyBecause == ApplyBecause.SuffixedToDefaultMessage)
{
if (!string.IsNullOrWhiteSpace(validation.Because))
{
result = result + " " + validation.Because;
}
}
else
{
throw new NotSupportedException(Invariant($"This {nameof(ApplyBecause)} is not supported: {validation.ApplyBecause}"));
}
return(result);
}
private static string BuildVerificationFailedExceptionMessage(
AssertionTracker assertionTracker,
Verification verification,
VerifiableItem verifiableItem,
string exceptionMessageSuffix,
Include include = Include.None,
string methodologyInfo = null,
string contextualInfo = null)
{
if (verification.ApplyBecause == ApplyBecause.InLieuOfDefaultMessage)
{
// we force to empty string if null because otherwise when the exception is
// constructed the framework chooses some generic message like 'An exception of type ArgumentException was thrown'
return(verification.Because ?? string.Empty);
}
var subjectNameQualifier = assertionTracker.SubjectName == null ? string.Empty : Invariant($" (name: '{assertionTracker.SubjectName}')");
var enumerableQualifier = verifiableItem.ItemIsElementInEnumerable ? " contains an element that" : string.Empty;
var methodologyInfoQualifier = methodologyInfo == null ? null : " " + methodologyInfo;
var contextualInfoQualifier = contextualInfo == null ? null : " " + contextualInfo;
var failingValueQualifier = include.HasFlag(Include.FailingValue) ? (verifiableItem.ItemIsElementInEnumerable ? " Element value" : " Provided value") + Invariant($" is {verifiableItem.ItemValue.ToStringInErrorMessage()}.") : string.Empty;
var verificationParametersQualifier = verification.VerificationParameters == null || !verification.VerificationParameters.Any() ? string.Empty : string.Join(string.Empty, verification.VerificationParameters.Select(_ => _.ToStringInErrorMessage()));
var result = Invariant($"Provided value{subjectNameQualifier}{enumerableQualifier} {exceptionMessageSuffix}{methodologyInfoQualifier}.{contextualInfoQualifier}{failingValueQualifier}{verificationParametersQualifier}");
if (verification.ApplyBecause == ApplyBecause.PrefixedToDefaultMessage)
{
if (!string.IsNullOrWhiteSpace(verification.Because))
{
result = verification.Because + " " + result;
}
}
else if (verification.ApplyBecause == ApplyBecause.SuffixedToDefaultMessage)
{
if (!string.IsNullOrWhiteSpace(verification.Because))
{
result = result + " " + verification.Because;
}
}
else
{
throw new NotSupportedException(Invariant($"This {nameof(ApplyBecause)} is not supported: {verification.ApplyBecause}"));
}
return(result);
}