public void GetExpressionGetsAnExpresssionWhichReturnsTrueForAManifestValueAndTheSameItemWithoutIdentity([ManifestModel] ManifestValue value,
ObjectWithIdentity item)
{
value.IdentityAccessor = null;
var context = new ValueContext(null, item, value);
var sut = new ValueContextIsMatchForItem(value, item);
Assert.That(sut.Matches(context), Is.True);
}
public void GetExpressionGetsAnExpresssionWhichReturnsTrueForAManifestValueAndNoItem([ManifestModel] ManifestValue value,
object identity,
object actualValue)
{
var context = new ValueContext(identity, actualValue, value);
var sut = new ValueContextIsMatchForItem(value);
Assert.That(sut.Matches(context), Is.True);
}
public void GetExpressionGetsAnExpresssionWhichReturnsFalseForAManifestValueAndAnItemWithTheWrongIdentity([ManifestModel] ManifestValue value,
ObjectWithIdentity item)
{
value.IdentityAccessor = obj => ((ObjectWithIdentity)obj).Identity;
var context = new ValueContext(Guid.NewGuid(), item, value);
var sut = new ValueContextIsMatchForItem(value, item);
Assert.That(sut.Matches(context), Is.False);
}
/// <summary>
/// Initialises a new instance of <see cref="RuleResultIsForDescendentOfValue"/> with a validated item instance..
/// </summary>
/// <param name="value">A manifest value which rules must be a descendent of in order to match the spec.</param>
/// <param name="item">An optional item (of the type indicated by the <paramref name="value"/>) which the rule must be a descendent of.</param>
/// <param name="allowAncestors">If <see langword="true" /> then rule results will match if the value appears in any
/// ancestor context, as well as the rule's own context. If <see langword="false" /> then only the rule's immediate
/// context will be searched, indicating that this is a specification for immediate children only.</param>
/// <exception cref="ArgumentNullException">If <paramref name="value"/> is <see langword="null" />.</exception>
public RuleResultIsForDescendentOfValue(IManifestItem value, object item, bool allowAncestors = true)
{
valueConextIsMatch = new ValueContextIsMatchForItem(value ?? throw new ArgumentNullException(nameof(value)), item);
this.allowAncestors = allowAncestors;
}