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fix(mcp): recover expired SDK sessions (#39265)

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This commit is contained in:
Aiden Cline
2026-07-28 00:35:19 -05:00
committed by GitHub
parent c3be6c4965
commit 484f00ebf4
5 changed files with 247 additions and 5 deletions
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packages/opencode/test/mcp/session-recovery.test.ts
+21 -1
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@@ -2,7 +2,7 @@ import path from "node:path"
import { describe, expect, test } from "bun:test"
describe("mcp session recovery", () => {
test.skip("reinitializes and retries once after a session-bound POST returns 404", async () => {
test("reinitializes and retries once after a session-bound POST returns 404", async () => {
const child = Bun.spawn([process.execPath, path.join(import.meta.dir, "../fixture/mcp-session-recovery.ts")], {
cwd: path.join(import.meta.dir, "../.."),
stdout: "pipe",
@@ -24,4 +24,24 @@ describe("mcp session recovery", () => {
{ method: "ping", session: "replacement" },
])
})
test("retries a concurrent stale response after recovery completes", async () => {
const child = Bun.spawn([process.execPath, path.join(import.meta.dir, "../fixture/mcp-session-recovery.ts")], {
cwd: path.join(import.meta.dir, "../.."),
env: { ...process.env, MCP_RECOVERY_CONCURRENT: "1" },
stdout: "pipe",
stderr: "pipe",
})
const [code, stdout, stderr] = await Promise.all([
child.exited,
Bun.readableStreamToText(child.stdout),
Bun.readableStreamToText(child.stderr),
])
expect(code, stderr).toBe(0)
const posts = JSON.parse(stdout) as Array<{ method: string; session: string | null }>
expect(posts.filter((post) => post.method === "initialize").map((post) => post.session)).toEqual([null, null])
expect(posts.filter((post) => post.method === "ping" && post.session === "expired")).toHaveLength(2)
expect(posts.filter((post) => post.method === "ping" && post.session === "replacement")).toHaveLength(2)
})
})