源码快照 @ 2026-09-02 (source-only, 剔除非源码素材)

apps/app/tests/session-sidebar-utils.test.ts

@@ -0,0 +1,51 @@
+import { describe, expect, test } from "bun:test";
+
+import type { SidebarSessionItem } from "../src/app/types";
+import { flattenSessionRows } from "../src/react-app/domains/session/sidebar/utils";
+
+const sessions: SidebarSessionItem[] = [
+  { id: "session-a", title: "Pinned root" },
+  { id: "session-a-child", title: "Sub-agent child", parentID: "session-a" },
+  { id: "session-b", title: "Regular root" },
+];
+
+describe("sidebar session rows", () => {
+  test("never emits sub-agent (child) sessions", () => {
+    const rows = flattenSessionRows(sessions, Number.MAX_SAFE_INTEGER);
+
+    expect(rows.map((row) => row.session.id)).toEqual(["session-a", "session-b"]);
+  });
+
+  test("selects a pinned root without its descendants", () => {
+    const rows = flattenSessionRows(
+      sessions,
+      1,
+      new Set(["session-a"]),
+      [],
+      { include: new Set(["session-a"]) },
+    );
+
+    expect(rows.map((row) => row.session.id)).toEqual(["session-a"]);
+  });
+
+  test("removes pinned roots before applying the workspace preview limit", () => {
+    const rows = flattenSessionRows(
+      sessions,
+      1,
+      new Set(),
+      [],
+      { exclude: new Set(["session-a"]) },
+    );
+
+    expect(rows.map((row) => row.session.id)).toEqual(["session-b"]);
+  });
+
+  test("keeps a child whose parent is outside the list as a root", () => {
+    const orphaned: SidebarSessionItem[] = [
+      { id: "session-c", title: "Orphan child", parentID: "missing-parent" },
+    ];
+    const rows = flattenSessionRows(orphaned, Number.MAX_SAFE_INTEGER);
+
+    expect(rows.map((row) => row.session.id)).toEqual(["session-c"]);
+  });
+});