private static AssertionTracker As <TSubject>(
[ValidatedNotNull] this TSubject value,
string name,
AssertionKind assertionKind)
{
if (value is AssertionTracker tracker)
{
tracker.ThrowImproperUseOfFrameworkIfDetected(AssertionTrackerShould.NotExist);
}
var result = value.BuildTrackerFromAnonymousObject(name, assertionKind) ?? new AssertionTracker
{
SubjectValue = value,
SubjectName = name,
SubjectType = typeof(TSubject),
Actions = Actions.Categorized,
AssertionKind = assertionKind,
};
if (name != null)
{
result.Actions |= Actions.Named;
}
return(result);
}
private static AssertionTracker BuildTrackerFromAnonymousObject <TSubject>(
[ValidatedNotNull] this TSubject value,
string name = null,
AssertionKind assertionKind = AssertionKind.Unknown)
{
var subjectType = typeof(TSubject);
AssertionTracker result = null;
if (!ReferenceEquals(value, null))
{
if (subjectType.IsClosedAnonymousTypeFastCheck())
{
// with one property? that's the subject we are trying to apply verification to.
var properties = subjectType.GetProperties();
if (properties.Length == 1)
{
result = new AssertionTracker
{
SubjectValue = properties[0].GetValue(value, null),
SubjectName = name ?? properties[0].Name,
SubjectType = properties[0].PropertyType,
AssertionKind = assertionKind,
};
if (assertionKind != AssertionKind.Unknown)
{
result.Actions |= Actions.Categorized;
}
if (result.SubjectName != null)
{
result.Actions |= Actions.Named;
}
}
else
{
var errorMessage = string.Format(CultureInfo.InvariantCulture, Verifications.AnonymousObjectDoesNotHaveSinglePropertyErrorMessage, properties.Length, string.Join(", ", properties.Select(_ => _.Name).ToArray()));
ThrowImproperUseOfFramework(errorMessage);
}
}
}
return(result);
}
