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wanghu
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using System;
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using System.Collections.Generic;
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using System.IO;
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using System.Linq;
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using System.Reflection;
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using System.Text.Json;
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using Yh.Platform.Abstractions;
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using Xunit;
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namespace Yh.Platform.OpenApi.Tests;
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/// <summary>
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/// 契约快照对拍（双端同步机制的核心防线）：
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/// 基线 = UserBase springdoc 导出的权威快照 contract/openapi-oapi.exported.json
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/// （GET /userbase/v3/api-docs/oapi，UserBase 契约变更后重新导出更新该文件即可激活本测试发现漂移）。
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/// <list type="bullet">
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/// <item>端点对拍：SDK 契约路由表 ⊆ 快照（method+path 逐项），多出的快照端点以未覆盖清单输出；</item>
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/// <item>模型对拍：SDK POCO 属性集（camelCase）⇔ 快照 schema properties 键集，双向差额为零。</item>
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/// </list>
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/// 更新基线流程：UserBase 起服务 → GET /v3/api-docs/oapi 覆盖保存 exported.json → 跑本测试，红了就是契约漂移。
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/// </summary>
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public class ContractSnapshotTests
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{
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private static readonly string SnapshotPath =
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Path.Combine(AppContext.BaseDirectory, "contract", "openapi-oapi.exported.json");
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private static JsonDocument LoadSnapshot()
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{
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Assert.True(File.Exists(SnapshotPath), $"权威契约快照缺失：{SnapshotPath}（从 UserBase GET /v3/api-docs/oapi 导出）");
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return JsonDocument.Parse(File.ReadAllText(SnapshotPath));
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}
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/// <summary>PascalCase → camelCase（首字母小写，覆盖 Id→id、Idcard→idcard 等既有键形）。</summary>
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private static string ToCamel(string name)
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=> string.IsNullOrEmpty(name) ? name : char.ToLowerInvariant(name[0]) + name.Substring(1);
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private static HashSet<string> PocoPropertyNames(Type type)
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=> type.GetProperties(BindingFlags.Public | BindingFlags.Instance)
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.Select(p => ToCamel(p.Name))
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.ToHashSet(StringComparer.Ordinal);
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private static HashSet<string> SchemaPropertyNames(JsonElement schemas, string schemaName)
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{
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Assert.True(schemas.TryGetProperty(schemaName, out var schema),
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$"快照缺少 schema：{schemaName}（UserBase 侧可能已改名/删除）");
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return schema.GetProperty("properties").EnumerateObject()
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.Select(p => p.Name)
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.ToHashSet(StringComparer.Ordinal);
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}
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// ───────────────────────── 端点对拍 ─────────────────────────
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/// <summary>SDK 覆盖的契约路由表（method + path；来源：三个 Client 实现，加端点必须同步登记于此）。</summary>
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public static readonly (string Method, string Path)[] SdkRoutes =
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{
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// user 域
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("GET", "/oapi/user/byId"),
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("GET", "/oapi/user/byLoginName"),
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("GET", "/oapi/user/byPhone"),
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("GET", "/oapi/user/modules"),
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("GET", "/oapi/user/roles"),
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("GET", "/oapi/user/groupState"),
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("POST", "/oapi/user/add"),
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("POST", "/oapi/user/edit/{id}"),
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("POST", "/oapi/user/delete/{id}/{groupId}/{schoolId}"),
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("POST", "/oapi/user/deleteUsers"),
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("POST", "/oapi/user/batchAdd"),
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("POST", "/oapi/user/moveToGroup"),
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("POST", "/oapi/user/password"),
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("POST", "/oapi/user/groupState"),
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("POST", "/oapi/user/transferToSchool"),
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("POST", "/oapi/user/changeStatus"),
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("POST", "/oapi/user/batchChangeStatus"),
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// identity 域
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("GET", "/oapi/identity/current"),
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("GET", "/oapi/identity/available"),
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("POST", "/oapi/identity/switch"),
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// group 域
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("GET", "/oapi/group/tree"),
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("GET", "/oapi/group/byId"),
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("GET", "/oapi/group/list"),
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("POST", "/oapi/group/add"),
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("POST", "/oapi/group/edit/{id}"),
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("POST", "/oapi/group/delete/{id}/{schoolId}"),
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("POST", "/oapi/group/batchAdd"),
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("POST", "/oapi/group/move/{schoolId}"),
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// app 域
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("GET", "/oapi/app/{appId}"),
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("GET", "/oapi/app/list"),
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};
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private static HashSet<(string, string)> SnapshotRoutes(JsonDocument snapshot)
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{
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var routes = new HashSet<(string, string)>();
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foreach (var path in snapshot.RootElement.GetProperty("paths").EnumerateObject())
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{
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foreach (var op in path.Value.EnumerateObject())
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{
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if (op.Name is "get" or "post" or "put" or "delete" or "patch")
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{
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routes.Add((op.Name.ToUpperInvariant(), path.Name));
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}
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}
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}
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return routes;
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}
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[Fact]
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public void SDK端点必须在快照中存在()
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{
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var snapshot = LoadSnapshot();
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var snapshotRoutes = SnapshotRoutes(snapshot);
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var missing = SdkRoutes
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.Where(r => !snapshotRoutes.Contains((r.Method, r.Path)))
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.Select(r => $"{r.Method} {r.Path}")
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.ToList();
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Assert.True(missing.Count == 0,
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$"以下 SDK 端点在权威快照中不存在（UserBase 侧已删除或改路径，须同步修正 SDK）：\n{string.Join('\n', missing)}");
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}
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[Fact]
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public void 快照端点若SDK未覆盖须显式登记()
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{
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var snapshot = LoadSnapshot();
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var snapshotRoutes = SnapshotRoutes(snapshot);
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var sdk = SdkRoutes.ToHashSet();
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var uncovered = snapshotRoutes
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.Where(r => !sdk.Contains(r))
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.Select(r => $"{r.Item1} {r.Item2}")
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.OrderBy(x => x)
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.ToList();
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// 不直接失败（UserBase 新增端点不应阻塞 SDK CI），但必须显式白名单化——未登记的未覆盖端点视为漂移信号
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var acknowledged = new HashSet<string>(StringComparer.Ordinal)
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{
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// 当前无未覆盖端点；UserBase 新增 /oapi 端点后，此清单须显式登记并排期跟进，防止无声失联
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};
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var unacknowledged = uncovered.Where(u => !acknowledged.Contains(u)).ToList();
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Assert.True(unacknowledged.Count == 0,
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$"快照存在 SDK 未覆盖且未登记白名单的端点（评估跟进或显式放弃）：\n{string.Join('\n', unacknowledged)}");
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}
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// ───────────────────────── 模型对拍 ─────────────────────────
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/// <summary>SDK 模型 ↔ 快照 schema 映射表（新模型对齐必须登记于此）。</summary>
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public static readonly (Type Type, string Schema)[] ModelMappings =
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{
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(typeof(BoaUser), "BoaUser"),
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(typeof(BoaRoleInfo), "BoaRoleInfo"),
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(typeof(BoaGroup), "BoaGroup"),
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(typeof(BoaModule), "BoaModule"),
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(typeof(BoaApp), "BoaApp"),
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(typeof(BoaAppType), "BoaAppType"),
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(typeof(SysUserRequest), "SysUserRequest"),
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(typeof(SysUserGroupDeleteItem), "SysUserGroupDeleteItem"),
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(typeof(SysUserMoveRequest), "SysUserMoveRequest"),
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(typeof(SysUserGroupStateRequest), "SysUserGroupStateRequest"),
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(typeof(SysUserTransferSchoolRequest), "SysUserTransferSchoolRequest"),
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(typeof(SysGroupRequest), "SysGroupRequest"),
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(typeof(SysGroupMoveRequest), "SysGroupMoveRequest"),
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};
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[Theory]
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[MemberData(nameof(ModelCases))]
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public void 模型字段集与快照双向一致(Type type, string schemaName)
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{
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var snapshot = LoadSnapshot();
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var schemas = snapshot.RootElement.GetProperty("components").GetProperty("schemas");
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var poco = PocoPropertyNames(type);
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var server = SchemaPropertyNames(schemas, schemaName);
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var sdkOnly = poco.Except(server).ToList();
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var serverOnly = server.Except(poco).ToList();
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Assert.True(sdkOnly.Count == 0,
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$"{type.Name} 存在快照没有的属性（服务端收不到，序列化键漂移）：[{string.Join(", ", sdkOnly)}]");
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Assert.True(serverOnly.Count == 0,
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$"{type.Name} 缺少快照属性（服务端字段被丢弃）：[{string.Join(", ", serverOnly)}]");
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}
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public static IEnumerable<object[]> ModelCases()
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=> ModelMappings.Select(m => new object[] { m.Type, m.Schema });
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}
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