/// <summary>
/// Builds and returns a collection of <see cref="IEqualityRule{T}"/>.
/// </summary>
/// <returns>The rules.</returns>
/// <param name="allBuilders">A collection of all rule-builders.</param>
public override IEnumerable <IEqualityRule <TParent> > GetRules(IEnumerable <RuleBuilder <TParent> > allBuilders)
{
var delegateRule = new EqualityRule <TValue>(Comparer(), Name);
var valueProvider = new DelegateValueProvider <TParent, TValue>(Delegate);
var parentRule = new ParentEqualityRule <TParent, TValue>(valueProvider, delegateRule);
return(new[] { parentRule });
}
/// <summary>
/// Builds and returns a collection of <see cref="IEqualityRule{T}"/>.
/// </summary>
/// <returns>The rules.</returns>
/// <param name="allBuilders">A collection of all rule-builders.</param>
public override IEnumerable <IEqualityRule <TParent> > GetRules(IEnumerable <RuleBuilder <TParent> > allBuilders)
{
var fieldRule = new EqualityRule <object>(Comparer(), Name);
var valueProvider = new ReflectionFieldValueProvider <TParent, object>(Field);
var parentRule = new ParentEqualityRule <TParent, object>(valueProvider, fieldRule);
return(new[] { parentRule });
}
public void GetHashCode_uses_value_provider_to_get_value_and_passes_to_wrapped_rule([Frozen] IGetsValueFromParent <EmptyClass, string> valueProvider,
[Frozen] IEqualityRule <string> rule,
ParentEqualityRule <EmptyClass, string> sut,
EmptyClass obj,
string str,
int hashCode)
{
Mock.Get(valueProvider).Setup(x => x.GetValue(obj)).Returns(str);
Mock.Get(rule).Setup(x => x.GetHashCode(str)).Returns(hashCode);
var result = sut.GetHashCode(obj);
Mock.Get(rule).Verify(x => x.GetHashCode(str), Times.Once);
Assert.That(result, Is.EqualTo(hashCode));
}
public void Equals_uses_value_provider_to_get_values_and_passes_to_wrapped_rule([Frozen] IGetsValueFromParent <EmptyClass, string> valueProvider,
[Frozen] IEqualityRule <string> rule,
ParentEqualityRule <EmptyClass, string> sut,
EmptyClass obj1,
EmptyClass obj2,
string str1,
string str2)
{
Mock.Get(valueProvider).Setup(x => x.GetValue(obj1)).Returns(str1);
Mock.Get(valueProvider).Setup(x => x.GetValue(obj2)).Returns(str2);
Mock.Get(rule).Setup(x => x.GetEqualityResult(str1, str2)).Returns(EqualityResult.Equal);
var result = sut.Equals(obj1, obj2);
Mock.Get(rule).Verify(x => x.GetEqualityResult(str1, str2), Times.Once);
Assert.That(result, Is.True);
}