Kit Langton
71 lines
2.8 KiB
TypeScript
71 lines
2.8 KiB
TypeScript
// Subprocess integration tests for `opencode acp`. ACP is a JSON-RPC
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// protocol spoken over stdin/stdout (not HTTP) — see src/acp/README.md.
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// This is the only test tier that exercises the full pipe of bun startup →
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// server boot → ACP agent init → stdio framing → graceful shutdown.
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import { describe, expect } from "bun:test"
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import { Duration, Effect } from "effect"
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import { cliIt } from "../../lib/cli-process"
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describe("opencode acp (subprocess)", () => {
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// Smoke test: send the `initialize` request from src/acp/README.md and
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// assert the response advertises the same protocol version and a non-empty
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// capabilities block. If this fails, every other ACP test will too — start
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// debugging here.
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cliIt.live(
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"responds to initialize with protocolVersion 1 and capabilities",
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({ opencode }) =>
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Effect.gen(function* () {
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const acp = yield* opencode.acp()
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yield* acp.send({
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jsonrpc: "2.0",
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id: 1,
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method: "initialize",
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params: { protocolVersion: 1 },
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})
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// Tight deadline — the response should arrive within a few seconds
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// once startup completes. A hang means the agent never finished init,
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// which is a real regression and not a tuning issue.
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const response = (yield* acp.receive.pipe(Effect.timeout(Duration.seconds(10)))) as {
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jsonrpc: string
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id: number
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result?: { protocolVersion: number; agentCapabilities: Record<string, unknown> }
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error?: unknown
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}
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expect(response.jsonrpc).toBe("2.0")
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expect(response.id).toBe(1)
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expect(response.error).toBeUndefined()
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expect(response.result?.protocolVersion).toBe(1)
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expect(response.result?.agentCapabilities).toBeDefined()
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}),
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60_000,
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)
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// Lock in the scope-close kill path. ACP's clean shutdown is "EOF on stdin"
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// — if a future refactor breaks the stdin-end branch in the handler, the
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// process would only exit on SIGTERM fallback (2s in the harness). This
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// test passing within the inner-scope assertion proves the EOF path works.
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cliIt.live(
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"exits cleanly when stdin is closed (scope close)",
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({ opencode }) =>
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Effect.gen(function* () {
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const exitedPromise = yield* Effect.scoped(
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Effect.gen(function* () {
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const acp = yield* opencode.acp()
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// Capture the Promise — scope-close fires the finalizer which
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// ends stdin, and ACP should exit gracefully.
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return acp.exited
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}),
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)
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const code = yield* Effect.promise(() => exitedPromise)
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// Bun returns a number for normal exit. Anything goes for SIGTERM,
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// but we still require resolution within the test timeout.
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expect(typeof code === "number" || code === null).toBe(true)
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}),
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60_000,
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)
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})
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