/// <summary>
/// Initializes a new instance of the <see cref="ValidatedConstructorPropertyAssignmentTestScenario{T}"/> class.
/// </summary>
/// <param name="id">The identifier of the scenario.</param>
/// <param name="propertyName">The name of the property that is assigned a value by the constructor.</param>
/// <param name="systemUnderTestExpectedPropertyValueFunc">A func that returns the object to test and the expected value of the property being tested.</param>
/// <param name="compareActualToExpectedUsing">Specifies how to compare the actual property value to the expected property value.</param>
public ValidatedConstructorPropertyAssignmentTestScenario(
string id,
string propertyName,
Func <SystemUnderTestExpectedPropertyValue <T> > systemUnderTestExpectedPropertyValueFunc,
CompareActualToExpectedUsing compareActualToExpectedUsing)
{
new { id }.AsTest().Must().NotBeNullNorWhiteSpace();
new { propertyName }.AsTest().Must().NotBeNullNorWhiteSpace(id);
T systemUnderTest = null;
PropertyInfo property = null;
object expectedPropertyValue = null;
if ((propertyName != ConstructorPropertyAssignmentTestScenario.ForceGeneratedTestsToPassAndWriteMyOwnScenarioPropertyName) &&
(propertyName != ConstructorPropertyAssignmentTestScenario.NoPropertiesAssignedInConstructorScenarioPropertyName))
{
new { systemUnderTestExpectedPropertyValueFunc }.AsTest().Must().NotBeNull(id);
var systemUnderTestExpectedPropertyValue = systemUnderTestExpectedPropertyValueFunc();
systemUnderTest = systemUnderTestExpectedPropertyValue.SystemUnderTest;
new { systemUnderTest }.AsTest().Must().NotBeNull(id);
expectedPropertyValue = systemUnderTestExpectedPropertyValue.ExpectedPropertyValue;
property = typeof(T).GetPropertyFiltered(propertyName, MemberRelationships.DeclaredOrInherited, MemberOwners.Instance, MemberAccessModifiers.Public, throwIfNotFound: false);
new { property }.AsTest().Must().NotBeNull(id);
if (compareActualToExpectedUsing == CompareActualToExpectedUsing.DefaultStrategy)
{
if (expectedPropertyValue == null)
{
compareActualToExpectedUsing = CompareActualToExpectedUsing.ReferenceEquality;
}
else if (expectedPropertyValue.GetType().IsValueType)
{
compareActualToExpectedUsing = CompareActualToExpectedUsing.ValueEquality;
}
else
{
compareActualToExpectedUsing = CompareActualToExpectedUsing.ReferenceEquality;
}
}
}
this.Id = id;
this.PropertyName = propertyName;
this.SystemUnderTest = systemUnderTest;
this.ExpectedPropertyValue = expectedPropertyValue;
this.Property = property;
this.CompareActualToExpectedUsing = compareActualToExpectedUsing;
}
/// <summary>
/// Initializes a new instance of the <see cref="ValidatedConstructorPropertyAssignmentTestScenario{T}"/> class.
/// </summary>
/// <param name="id">The identifier of the scenario.</param>
/// <param name="propertyName">The name of the property that is assigned a value by the constructor.</param>
/// <param name="systemUnderTestExpectedPropertyValueFunc">A func that returns the object to test and the expected value of the property being tested.</param>
/// <param name="compareActualToExpectedUsing">Specifies how to compare the actual property value to the expected property value.</param>
public ValidatedConstructorPropertyAssignmentTestScenario(
string id,
string propertyName,
Func <SystemUnderTestExpectedPropertyValue <T> > systemUnderTestExpectedPropertyValueFunc,
CompareActualToExpectedUsing compareActualToExpectedUsing)
{
new { id }.AsTest().Must().NotBeNullNorWhiteSpace();
new { propertyName }.AsTest().Must().NotBeNullNorWhiteSpace(id);
T systemUnderTest = null;
PropertyInfo property = null;
object expectedPropertyValue = null;
if ((propertyName != ConstructorPropertyAssignmentTestScenario.ForceGeneratedTestsToPassAndWriteMyOwnScenarioPropertyName) &&
(propertyName != ConstructorPropertyAssignmentTestScenario.NoPropertiesAssignedInConstructorScenarioPropertyName))
{
new { systemUnderTestExpectedPropertyValueFunc }.AsTest().Must().NotBeNull(id);
var systemUnderTestExpectedPropertyValue = systemUnderTestExpectedPropertyValueFunc();
systemUnderTest = systemUnderTestExpectedPropertyValue.SystemUnderTest;
new { systemUnderTest }.AsTest().Must().NotBeNull(id);
expectedPropertyValue = systemUnderTestExpectedPropertyValue.ExpectedPropertyValue;
property = typeof(T).GetProperties(BindingFlags.Public | BindingFlags.Instance).SingleOrDefault(_ => _.Name == propertyName);
new { property }.AsTest().Must().NotBeNull(id);
if (compareActualToExpectedUsing == CompareActualToExpectedUsing.DefaultStrategy)
{
if (expectedPropertyValue == null)
{
compareActualToExpectedUsing = CompareActualToExpectedUsing.ReferenceEquality;
}
else if (compareActualToExpectedUsing.GetType().IsValueType)
{
compareActualToExpectedUsing = CompareActualToExpectedUsing.ValueEquality;
}
else
{
compareActualToExpectedUsing = CompareActualToExpectedUsing.ReferenceEquality;
}
}
}
this.Id = id;
this.PropertyName = propertyName;
this.SystemUnderTest = systemUnderTest;
this.ExpectedPropertyValue = expectedPropertyValue;
this.Property = property;
this.CompareActualToExpectedUsing = compareActualToExpectedUsing;
}
