using Eis.Infrastructure.Candidate; namespace Eis.Infrastructure.Tests.Candidate; public sealed class RegionCatalogTests { [Fact] public void ResolvesCodesFromEmbeddedAuthoritativeSnapshot() { var catalog = new RegionCatalog(); var region = catalog.Resolve("320000", "320700", "320706"); Assert.NotNull(region); Assert.Equal("江苏省", region.ProvinceName); Assert.Equal("连云港市", region.CityName); Assert.Equal("海州区", region.DistrictName); Assert.Null(catalog.Resolve("320000", "320700", "invalid")); } }