[实现方案] 守门测试：assumptions 折叠区渲染/缺省不渲染/渲染路径不含旧拼串文案（弹簧88 例全绿）

1 files changed, 85 insertions, 0 deletions

diff --git a/frontend/src/lib/assumptions.test.ts b/frontend/src/lib/assumptions.test.ts
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+++ b/frontend/src/lib/assumptions.test.ts
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+// @ts-nocheck
+import { describe, expect, it, vi } from 'vitest';
+import { mount, unmount } from 'svelte';
+import resultsRaw from '../pages/ProjectResultsTab.svelte?raw';
+import backtestRaw from '../pages/ProjectBacktestTab.svelte?raw';
+
+// 用户拍板方案 1：执行假设长文不再混入用户面 warnings。
+// worker 已把 EXECUTION_ASSUMPTIONS 移到 result.assumptions（tests/worker/test_backtest.py
+// test_assumptions_out_of_warnings 守门 worker 侧）；本文件守门前端渲染侧：
+// 技术口径只在 assumptions 字段驱动下渲染，且默认折叠（Collapsible）。
+
+const PROJECT_ID = '7630e296-0b2f-44c3-85f1-fe695e7a7e4b';
+const RUN_ID = '569b23d0-1111-4222-8333-4444444444442';
+const ASSUMPTIONS = { slippage: '0.1%', 'next_bar_open_fill': true };
+
+function resultBody(withAssumptions) {
+  return {
+    id: RUN_ID, project_id: PROJECT_ID, version_id: 'v', dataset_id: 'd',
+    status: 'succeeded',
+    config: { capital: 100000, commission: 0.0003, slippage: 0.001 },
+    created_at: '2026-01-01T00:00:00Z',
+    result: {
+      engine: { name: 'backtrader', version: '1.9' },
+      metrics: { total_return: 0.0123, annual_return: 0.05, max_drawdown: -0.033, sharpe: 0.9, trade_count: 1, final_equity: 101234.5 },
+      equity: [{ date: '2024-01-02', equity: 100000, cash: 100000 }],
+      orders: [], trades: [], closed_trades: [],
+      logs: [], warnings: ['真实警告：数据源公告休市'],
+      assumptions: withAssumptions ? ASSUMPTIONS : undefined,
+      elapsed_ms: 1,
+    },
+  };
+}
+
+const fetchMock = (body) => (url) => {
+  if (/\/api\/runs\/[0-9a-f-]+$/.test(String(url))) return Promise.resolve(new Response(JSON.stringify(body), { status: 200, headers: { 'content-type': 'application/json' } }));
+  if (/\/api\/projects\/[0-9a-f-]+$/.test(String(url)))
+    return Promise.resolve(new Response(JSON.stringify({ id: PROJECT_ID, name: '端到端验收项目', draft_code: 'x=1', draft_generation: 2 }), { status: 200, headers: { 'content-type': 'application/json' } }));
+  return Promise.resolve(new Response('{"items":[]}', { status: 200, headers: { 'content-type': 'application/json' } }));
+};
+
+async function mountResultsTab(body) {
+  vi.stubGlobal('ResizeObserver', class { observe() {} unobserve() {} disconnect() {} });
+  vi.stubGlobal('fetch', fetchMock(body));
+  const ProjectResultsTab = (await import('../pages/ProjectResultsTab.svelte')).default;
+  const host = document.createElement('div');
+  document.body.appendChild(host);
+  const inst = mount(ProjectResultsTab, { target: host, props: { projectId: PROJECT_ID, runId: RUN_ID } });
+  await new Promise((r) => setTimeout(r, 80));
+  return { inst, host };
+}
+
+describe('技术口径：assumptions 独立折叠区，不混入 warnings', () => {
+  it('assumptions 渲染在折叠区；warnings 列表只含真实警告', { timeout: 20000 }, async () => {
+    const { inst, host } = await mountResultsTab(resultBody(true));
+    try {
+      const text = host.textContent.replace(/\s+/g, ' ');
+      // warnings Alert 渲染真实警告
+      expect(text).toContain('真实警告：数据源公告休市');
+      // assumptions keys/values 不出现在 warnings <li>
+      const warnLis = [...host.querySelectorAll('li')].map((n) => n.textContent);
+      for (const k of Object.keys(ASSUMPTIONS)) {
+        expect(warnLis.some((w) => w.includes(k))).toBe(false);
+      }
+      // 折叠区标题存在（默认收起，仅结构存在不展开内容）
+      expect(host.querySelector('[data-testid="assumptions-toggle"]')?.textContent).toContain('技术口径');
+      expect(host.querySelector('[data-testid="assumptions-list"]')).toBeTruthy();
+    } finally { unmount(inst); host.remove(); vi.unstubAllGlobals(); }
+  });
+
+  it('没有 assumptions 字段则不渲染技术口径区', async () => {
+    const { inst, host } = await mountResultsTab(resultBody(false));
+    try {
+      expect(host.querySelector('[data-testid="assumptions-toggle"]')).toBeNull();
+      expect(host.querySelector('[data-testid="assumptions-list"]')).toBeNull();
+    } finally { unmount(inst); host.remove(); vi.unstubAllGlobals(); }
+  });
+
+  it('渲染路径源码不含 "execution assumptions" 旧拼串文案', () => {
+    for (const src of [resultsRaw, backtestRaw]) {
+      expect(src).not.toContain('execution assumptions');
+      // assumptions 数据只进 技术口径 折叠区（一个 dl 列表锚点）
+      expect(src).toContain('assumptions-list');
+    }
+  });
+});