public void ThrowsOnMissingConstructor_TooManyParameters()
{
// Arrange
var propertyMap = PropertyHelpers.GetPropertyMap <TooFewParameters>();
// Act
var exception = Record.Exception(
() => GetImmutableSetterConstructor <TooManyParameters>(propertyMap)
);
// Assert
Assert.IsType <NotSupportedException>(exception);
Assert.StartsWith(
"The TooManyParameters class lacks a constructor which is " +
"compatible with the following signature: TooManyParameters(",
exception.Message
);
Assert.Contains("String Foo", exception.Message, StringComparison.OrdinalIgnoreCase);
Assert.Contains("Guid Bar", exception.Message, StringComparison.OrdinalIgnoreCase);
}
public void DecoratedConstructor_DecoratedIncompatible()
{
// Arrange
var propertyMap = PropertyHelpers.GetPropertyMap <DecoratedIncompatible>();
// Act
var exception = Record.Exception(
() => GetImmutableSetterConstructor <DecoratedIncompatible>(propertyMap)
);
// Assert
Assert.IsType <InvalidOperationException>(exception);
Assert.StartsWith(
"The DecoratedIncompatible class has a constructor decorated " +
"with ImmutableSetterConstructorAttribute that is incompatible " +
"with the following signature: DecoratedIncompatible(",
exception.Message
);
Assert.Contains("String Foo", exception.Message, StringComparison.OrdinalIgnoreCase);
Assert.Contains("Guid Bar", exception.Message, StringComparison.OrdinalIgnoreCase);
}
public void GetPropertyMap_IgnoreExclusiveSetters()
{
// Arrange & Act
var propertyMap = PropertyHelpers.GetPropertyMap <ExclusiveSetter>();
// Assert
Assert.Equal(1, propertyMap.Count);
AssertContainsProperty(propertyMap, nameof(ExclusiveSetter.Foo));
}
public void GetPropertyMap_IgnorePrivateGetter()
{
// Arrange & Act
var propertyMap = PropertyHelpers.GetPropertyMap <PrivateGetter>();
// Assert
Assert.Equal(1, propertyMap.Count);
AssertContainsProperty(propertyMap, nameof(PrivateGetter.Foo));
}
public void GetPropertyMap_IgnoreCustomGetters()
{
// Arrange & Act
var propertyMap = PropertyHelpers.GetPropertyMap <NonAutoProperties>();
// Assert
Assert.Equal(2, propertyMap.Count);
AssertContainsProperty(propertyMap, nameof(NonAutoProperties.ValidGetterOnly));
AssertContainsProperty(propertyMap, nameof(NonAutoProperties.ValidWithSetter));
}
public void GetPropertyMap_Simple()
{
// Arrange & Act
var propertyMap = PropertyHelpers.GetPropertyMap <Simple>();
// Assert
Assert.Equal(2, propertyMap.Count);
AssertContainsProperty(propertyMap, nameof(Simple.Foo));
AssertContainsProperty(propertyMap, nameof(Simple.Bar));
}
public void DecoratedConstructor_ValidDecorated()
{
// Arrange
var propertyMap = PropertyHelpers.GetPropertyMap <ValidDecorated>();
var expected = GetExpectedConstructor <ValidDecorated>();
// Act
var actual = GetImmutableSetterConstructor <ValidDecorated>(propertyMap);
// Assert
Assert.NotNull(actual);
Assert.Equal(expected, actual);
}
public void FindsMatching_IgnoresStaticMembers()
{
// Arrange
var expected = GetExpectedConstructor <IgnoresStaticMembers>();
var propertyMap = PropertyHelpers.GetPropertyMap <IgnoresStaticMembers>();
// Act
var actual = GetImmutableSetterConstructor <IgnoresStaticMembers>(propertyMap);
// Assert
Assert.NotNull(actual);
Assert.Equal(expected, actual);
}
public void FindsMatching_WithProtectedConstructor()
{
// Arrange
var propertyMap = PropertyHelpers.GetPropertyMap <WithProtectedConstructor>();
var expected = GetExpectedConstructor <WithProtectedConstructor>();
// Act
var actual = GetImmutableSetterConstructor <WithProtectedConstructor>(propertyMap);
// Assert
Assert.NotNull(actual);
Assert.Equal(expected, actual);
}
static ImmutableBase()
{
ordinalIgnoreCase = StringComparer.OrdinalIgnoreCase;
var propertiesByName = PropertyHelpers.GetPropertyMap <TImmutable>();
var constructor =
ConstructorHelpers
.GetImmutableSetterConstructor <TImmutable>(propertiesByName);
createImmutable = constructor.CreateArrayFunc <TImmutable>();
var properties =
constructor
.GetParameters()
.Select(parameter => propertiesByName[parameter.Name])
.ToImmutableArray();
var provider = AggregatePropertyHandlerProvider.Create(
new StringPropertyHandlerProvider(),
new SinglePropertyHandlerProvider(),
new DoublePropertyHandlerProvider(),
new NullablePropertyHandlerProvider <Single>(new SinglePropertyHandlerProvider()),
new NullablePropertyHandlerProvider <Double>(new DoublePropertyHandlerProvider()),
new EnumerablePropertyHandlerProvider(),
new DefaultPropertyHandlerProvider()
);
var handlersBuilder = ImmutableArray.CreateBuilder <IPropertyHandler>();
var handlersByNameBuilder =
ImmutableDictionary.CreateBuilder <String, IPropertyHandler>(ordinalIgnoreCase);
foreach (var property in properties)
{
var handler = provider.Create(property);
handlersBuilder.Add(handler);
handlersByNameBuilder.Add(handler.PropertyName, handler);
}
handlers = handlersBuilder.ToImmutable();
handlersByName = handlersByNameBuilder.ToImmutable();
stringFormatter = new DefaultStringFormatter();
}
public void GetPropertyMap_ThrowsOnDuplicatePropertyNames()
{
// Act
var exception = Record.Exception(
() => PropertyHelpers.GetPropertyMap <DuplicatePropertyNames>()
);
// Assert
Assert.IsType <NotSupportedException>(exception);
Assert.Equal(
$"ImmutableBase<DuplicatePropertyNames> requires property " +
$"names to be unique regardless of case, but two or more " +
$"properties share the name of 'foo'.",
exception.Message,
ignoreCase: true
);
}
public void DecoratedConstructor_TooManyDecorated()
{
// Arrange
var propertyMap = PropertyHelpers.GetPropertyMap <IgnoresStaticMembers>();
// Act
var exception = Record.Exception(
() => GetImmutableSetterConstructor <TooManyDecorated>(propertyMap)
);
// Assert
Assert.IsType <InvalidOperationException>(exception);
Assert.Equal(
"The TooManyDecorated class has 2 constructors decorated " +
"with the ImmutableSetterConstructorAttribute. Only one " +
"constructor is allowed to have this attribute at a time.",
exception.Message
);
}