chore: refactoring and tests, splitting up files (#12495)

1 files changed, 59 insertions, 0 deletions

diff --git a/packages/app/src/context/global-sync/session-trim.test.ts b/packages/app/src/context/global-sync/session-trim.test.ts
new file mode 100644
index 000000000..be12c074b
--- /dev/null
+++ b/packages/app/src/context/global-sync/session-trim.test.ts
@@ -0,0 +1,59 @@
+import { describe, expect, test } from "bun:test"
+import type { PermissionRequest, Session } from "@opencode-ai/sdk/v2/client"
+import { trimSessions } from "./session-trim"
+
+const session = (input: { id: string; parentID?: string; created: number; updated?: number; archived?: number }) =>
+  ({
+    id: input.id,
+    parentID: input.parentID,
+    time: {
+      created: input.created,
+      updated: input.updated,
+      archived: input.archived,
+    },
+  }) as Session
+
+describe("trimSessions", () => {
+  test("keeps base roots and recent roots beyond the limit", () => {
+    const now = 1_000_000
+    const list = [
+      session({ id: "a", created: now - 100_000 }),
+      session({ id: "b", created: now - 90_000 }),
+      session({ id: "c", created: now - 80_000 }),
+      session({ id: "d", created: now - 70_000, updated: now - 1_000 }),
+      session({ id: "e", created: now - 60_000, archived: now - 10 }),
+    ]
+
+    const result = trimSessions(list, { limit: 2, permission: {}, now })
+    expect(result.map((x) => x.id)).toEqual(["a", "b", "c", "d"])
+  })
+
+  test("keeps children when root is kept, permission exists, or child is recent", () => {
+    const now = 1_000_000
+    const list = [
+      session({ id: "root-1", created: now - 1000 }),
+      session({ id: "root-2", created: now - 2000 }),
+      session({ id: "z-root", created: now - 30_000_000 }),
+      session({ id: "child-kept-by-root", parentID: "root-1", created: now - 20_000_000 }),
+      session({ id: "child-kept-by-permission", parentID: "z-root", created: now - 20_000_000 }),
+      session({ id: "child-kept-by-recency", parentID: "z-root", created: now - 500 }),
+      session({ id: "child-trimmed", parentID: "z-root", created: now - 20_000_000 }),
+    ]
+
+    const result = trimSessions(list, {
+      limit: 2,
+      permission: {
+        "child-kept-by-permission": [{ id: "perm-1" } as PermissionRequest],
+      },
+      now,
+    })
+
+    expect(result.map((x) => x.id)).toEqual([
+      "child-kept-by-permission",
+      "child-kept-by-recency",
+      "child-kept-by-root",
+      "root-1",
+      "root-2",
+    ])
+  })
+})