public void WithKey_HappyDays_KeySetInBuilder() { // Arrange var builder = new ArdoqModelMappingBuilder(null, null, null); // Act builder.AddComponentMapping <Role>("Role") .WithPreexistingHierarchyReference("Roles") .WithKey(s => s.Name); // Assert var mapping = builder.GetBuildableComponentMapping <Role>(); Assert.NotNull(mapping.KeyGetter); Assert.Equal("Name", mapping.KeyGetter.Name); }