test(telegram): cover single stream delivery

This commit is contained in:
Ayaan Zaidi
2026-05-05 22:13:10 +05:30
parent bca16d0f00
commit 25fc85afa2
2 changed files with 323 additions and 4244 deletions

File diff suppressed because it is too large Load Diff

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@@ -1,11 +1,7 @@
import type { ReplyPayload } from "openclaw/plugin-sdk/reply-runtime";
import { describe, expect, it, vi } from "vitest";
import { createTestDraftStream } from "./draft-stream.test-helpers.js";
import {
createSequencedTestDraftStream,
createTestDraftStream,
} from "./draft-stream.test-helpers.js";
import {
type ArchivedPreview,
createLaneTextDeliverer,
type DraftLaneState,
type LaneDeliveryResult,
@@ -16,32 +12,27 @@ const HELLO_FINAL = "Hello final";
function createHarness(params?: {
answerMessageId?: number;
answerStream?: DraftLaneState["stream"] | null;
draftMaxChars?: number;
answerMessageIdAfterStop?: number;
answerStream?: DraftLaneState["stream"];
answerHasStreamedMessage?: boolean;
answerLastPartialText?: string;
answerPreviewVisibleSinceMs?: number;
splitFinalTextForPreview?: (text: string) => readonly string[];
nowMs?: number;
splitFinalTextForStream?: (text: string) => readonly string[];
}) {
const answer =
params?.answerStream ??
createTestDraftStream({
messageId: params?.answerMessageId,
visibleSinceMs: params?.answerPreviewVisibleSinceMs,
});
params?.answerStream === null
? undefined
: (params?.answerStream ?? createTestDraftStream({ messageId: params?.answerMessageId }));
const reasoning = createTestDraftStream();
const lanes: Record<LaneName, DraftLaneState> = {
answer: {
stream: answer,
lastPartialText: params?.answerLastPartialText ?? "",
hasStreamedMessage: params?.answerHasStreamedMessage ?? false,
},
reasoning: {
stream: reasoning as DraftLaneState["stream"],
lastPartialText: "",
hasStreamedMessage: false,
finalized: false,
},
reasoning: {
stream: reasoning,
lastPartialText: "",
hasStreamedMessage: false,
finalized: false,
},
};
const sendPayload = vi.fn().mockResolvedValue(true);
@@ -49,54 +40,41 @@ function createHarness(params?: {
await lane.stream?.flush();
});
const stopDraftLane = vi.fn().mockImplementation(async (lane: DraftLaneState) => {
if (lane === lanes.answer && params?.answerMessageIdAfterStop !== undefined) {
(answer as { setMessageId?: (value: number | undefined) => void }).setMessageId?.(
params.answerMessageIdAfterStop,
);
}
await lane.stream?.stop();
});
const editPreview = vi.fn().mockResolvedValue(undefined);
const deletePreviewMessage = vi.fn().mockResolvedValue(undefined);
const clearDraftLane = vi.fn().mockImplementation(async (lane: DraftLaneState) => {
await lane.stream?.clear();
});
const editStreamMessage = vi.fn().mockResolvedValue(undefined);
const log = vi.fn();
const markDelivered = vi.fn();
const activePreviewLifecycleByLane = { answer: "transient", reasoning: "transient" } as const;
const retainPreviewOnCleanupByLane = { answer: false, reasoning: false } as const;
const archivedAnswerPreviews: ArchivedPreview[] = [];
const deliverLaneText = createLaneTextDeliverer({
lanes,
archivedAnswerPreviews,
activePreviewLifecycleByLane: { ...activePreviewLifecycleByLane },
retainPreviewOnCleanupByLane: { ...retainPreviewOnCleanupByLane },
draftMaxChars: params?.draftMaxChars ?? 4_096,
applyTextToPayload: (payload: ReplyPayload, text: string) => ({ ...payload, text }),
splitFinalTextForPreview: params?.splitFinalTextForPreview,
splitFinalTextForStream: params?.splitFinalTextForStream,
sendPayload,
flushDraftLane,
stopDraftLane,
editPreview,
deletePreviewMessage,
clearDraftLane,
editStreamMessage,
log,
markDelivered,
now: params?.nowMs != null ? () => params.nowMs! : undefined,
});
return {
deliverLaneText,
lanes,
answer: {
stream: answer,
setMessageId: (answer as { setMessageId?: (value: number | undefined) => void }).setMessageId,
},
answer,
reasoning,
sendPayload,
flushDraftLane,
stopDraftLane,
editPreview,
deletePreviewMessage,
clearDraftLane,
editStreamMessage,
log,
markDelivered,
archivedAnswerPreviews,
};
}
@@ -109,589 +87,183 @@ async function deliverFinalAnswer(harness: ReturnType<typeof createHarness>, tex
});
}
async function expectFinalPreviewRetained(params: {
harness: ReturnType<typeof createHarness>;
text?: string;
expectedLogSnippet?: string;
}) {
const result = await deliverFinalAnswer(params.harness, params.text ?? HELLO_FINAL);
expect(result.kind).toBe("preview-retained");
expect(params.harness.sendPayload).not.toHaveBeenCalled();
if (params.expectedLogSnippet) {
expect(params.harness.log).toHaveBeenCalledWith(
expect.stringContaining(params.expectedLogSnippet),
);
}
}
function seedArchivedAnswerPreview(harness: ReturnType<typeof createHarness>) {
harness.archivedAnswerPreviews.push({
messageId: 5555,
textSnapshot: "Partial streaming...",
deleteIfUnused: true,
});
}
async function expectFinalEditFallbackToSend(params: {
harness: ReturnType<typeof createHarness>;
text: string;
expectedLogSnippet: string;
}) {
const result = await deliverFinalAnswer(params.harness, params.text);
expect(result.kind).toBe("sent");
expect(params.harness.editPreview).toHaveBeenCalledTimes(1);
expectSendPayloadWith(params.harness, { text: params.text });
expect(params.harness.log).toHaveBeenCalledWith(
expect.stringContaining(params.expectedLogSnippet),
);
}
function expectSendPayloadWith(
harness: ReturnType<typeof createHarness>,
expected: Partial<ReplyPayload>,
) {
expect(
harness.sendPayload.mock.calls.some(([payload]) =>
Object.entries(expected).every(([key, value]) => {
return (payload as Record<string, unknown>)[key] === value;
}),
),
).toBe(true);
}
function expectPreviewFinalized(result: LaneDeliveryResult): {
content: string;
messageId: number;
} {
function expectPreviewFinalized(
result: LaneDeliveryResult,
): Extract<LaneDeliveryResult, { kind: "preview-finalized" }>["delivery"] {
expect(result.kind).toBe("preview-finalized");
if (result.kind !== "preview-finalized") {
throw new Error(`expected preview-finalized, got ${result.kind}`);
}
expect(result.delivery.receipt).toEqual(
expect.objectContaining({
primaryPlatformMessageId: String(result.delivery.messageId),
platformMessageIds: [String(result.delivery.messageId)],
}),
);
return {
content: result.delivery.content,
messageId: result.delivery.messageId,
};
return result.delivery;
}
describe("createLaneTextDeliverer", () => {
it("finalizes text-only replies by editing an existing preview message", async () => {
it("finalizes text-only replies in the active stream message", async () => {
const harness = createHarness({ answerMessageId: 999 });
const result = await deliverFinalAnswer(harness, HELLO_FINAL);
expect(expectPreviewFinalized(result)).toEqual({ content: HELLO_FINAL, messageId: 999 });
expect(harness.editPreview).toHaveBeenCalledWith(
expect.objectContaining({
laneName: "answer",
messageId: 999,
text: HELLO_FINAL,
context: "final",
}),
);
expect(harness.sendPayload).not.toHaveBeenCalled();
expect(expectPreviewFinalized(result)).toMatchObject({
content: HELLO_FINAL,
messageId: 999,
receipt: { primaryPlatformMessageId: "999" },
});
expect(harness.answer?.update).toHaveBeenCalledWith(HELLO_FINAL);
expect(harness.stopDraftLane).toHaveBeenCalledTimes(1);
});
it("primes stop-created previews with final text before editing", async () => {
const harness = createHarness({
answerMessageIdAfterStop: 777,
answerHasStreamedMessage: true,
});
harness.lanes.answer.lastPartialText = "no";
const result = await harness.deliverLaneText({
laneName: "answer",
text: "no problem",
payload: { text: "no problem" },
infoKind: "final",
});
expect(expectPreviewFinalized(result)).toEqual({ content: "no problem", messageId: 777 });
expect(harness.answer.stream?.update).toHaveBeenCalledWith("no problem");
expect(harness.editPreview).toHaveBeenCalledWith(
expect.objectContaining({
laneName: "answer",
messageId: 777,
text: "no problem",
}),
);
expect(harness.sendPayload).not.toHaveBeenCalled();
});
it("keeps stop-created preview when follow-up final edit fails", async () => {
const harness = createHarness({
answerMessageIdAfterStop: 777,
answerHasStreamedMessage: true,
});
harness.editPreview.mockRejectedValue(new Error("500: edit failed after stop flush"));
const result = await harness.deliverLaneText({
laneName: "answer",
text: "Short final",
payload: { text: "Short final" },
infoKind: "final",
});
expect(result.kind).toBe("preview-retained");
expect(harness.editPreview).toHaveBeenCalledTimes(1);
expect(harness.sendPayload).not.toHaveBeenCalled();
expect(harness.log).toHaveBeenCalledWith(
expect.stringContaining("failed after stop flush; keeping existing preview"),
);
});
it("treats 'message is not modified' preview edit errors as delivered", async () => {
const harness = createHarness({ answerMessageId: 999 });
harness.editPreview.mockRejectedValue(
new Error(
"400: Bad Request: message is not modified: specified new message content and reply markup are exactly the same as a current content and reply markup of the message",
),
);
const result = await deliverFinalAnswer(harness, HELLO_FINAL);
expect(expectPreviewFinalized(result)).toEqual({ content: HELLO_FINAL, messageId: 999 });
expect(harness.editPreview).toHaveBeenCalledTimes(1);
expect(harness.sendPayload).not.toHaveBeenCalled();
expect(harness.markDelivered).toHaveBeenCalledTimes(1);
expect(harness.log).toHaveBeenCalledWith(
expect.stringContaining('edit returned "message is not modified"; treating as delivered'),
);
expect(harness.lanes.answer.finalized).toBe(true);
});
it("retains preview when an existing preview final edit fails with ambiguous error", async () => {
it("streams block and final text through the same lane", async () => {
const harness = createHarness({ answerMessageId: 999 });
// Plain Error with no error_code → ambiguous. Retain unless the preview is
// known to be an incomplete prefix of the final text.
harness.editPreview.mockRejectedValue(new Error("500: preview edit failed"));
await expectFinalPreviewRetained({
harness,
expectedLogSnippet: "ambiguous error; keeping existing preview to avoid duplicate",
});
expect(harness.editPreview).toHaveBeenCalledTimes(1);
});
it("falls back when an ambiguous final edit failure would leave an incomplete preview", async () => {
const harness = createHarness({
answerMessageId: 999,
answerLastPartialText: "Hello fi",
});
harness.editPreview.mockRejectedValue(new Error("500: preview edit failed"));
await expectFinalEditFallbackToSend({
harness,
text: HELLO_FINAL,
expectedLogSnippet: "preview is an incomplete prefix; falling back",
});
});
it("falls back when Telegram reports the current final edit target missing", async () => {
const harness = createHarness({ answerMessageId: 999 });
harness.editPreview.mockRejectedValue(new Error("400: Bad Request: message to edit not found"));
await expectFinalEditFallbackToSend({
harness,
text: "Hello final",
expectedLogSnippet: "edit target missing with no alternate preview; falling back",
});
});
it("falls back to sendPayload when the final edit fails before reaching Telegram", async () => {
const harness = createHarness({ answerMessageId: 999 });
const err = Object.assign(new Error("connect ECONNREFUSED"), { code: "ECONNREFUSED" });
harness.editPreview.mockRejectedValue(err);
const result = await deliverFinalAnswer(harness, HELLO_FINAL);
expect(result.kind).toBe("sent");
expectSendPayloadWith(harness, { text: HELLO_FINAL });
expect(harness.log).toHaveBeenCalledWith(
expect.stringContaining("failed before reaching Telegram; falling back"),
);
});
it("keeps preview when the final edit times out after the request may have landed", async () => {
const harness = createHarness({ answerMessageId: 999 });
harness.editPreview.mockRejectedValue(new Error("timeout: request timed out after 30000ms"));
await expectFinalPreviewRetained({
harness,
expectedLogSnippet: "may have landed despite network error; keeping existing preview",
});
});
it("falls back to normal delivery when stop-created preview has no message id", async () => {
const harness = createHarness();
const result = await harness.deliverLaneText({
const blockResult = await harness.deliverLaneText({
laneName: "answer",
text: "Short final",
payload: { text: "Short final" },
infoKind: "final",
text: "working",
payload: { text: "working" },
infoKind: "block",
});
const finalResult = await deliverFinalAnswer(harness, "done");
expect(result.kind).toBe("sent");
expect(harness.editPreview).not.toHaveBeenCalled();
expectSendPayloadWith(harness, { text: "Short final" });
});
it("does not create a synthetic preview for final-only text", async () => {
const answerStream = createSequencedTestDraftStream(777);
const harness = createHarness({
answerStream: answerStream as DraftLaneState["stream"],
answerHasStreamedMessage: false,
});
const result = await harness.deliverLaneText({
laneName: "answer",
text: "Final only",
payload: { text: "Final only" },
infoKind: "final",
});
expect(result.kind).toBe("sent");
expect(answerStream.update).not.toHaveBeenCalled();
expect(answerStream.materialize).not.toHaveBeenCalled();
expect(harness.editPreview).not.toHaveBeenCalled();
expectSendPayloadWith(harness, { text: "Final only" });
});
it("keeps existing preview when final text regresses", async () => {
const harness = createHarness({ answerMessageId: 999 });
harness.lanes.answer.lastPartialText = "Recovered final answer.";
const result = await harness.deliverLaneText({
laneName: "answer",
text: "Recovered final answer",
payload: { text: "Recovered final answer" },
infoKind: "final",
});
expect(expectPreviewFinalized(result)).toEqual({
content: "Recovered final answer.",
expect(blockResult.kind).toBe("preview-updated");
expect(expectPreviewFinalized(finalResult)).toMatchObject({
content: "done",
messageId: 999,
});
expect(harness.editPreview).not.toHaveBeenCalled();
expect(harness.sendPayload).not.toHaveBeenCalled();
expect(harness.markDelivered).toHaveBeenCalledTimes(1);
});
it("falls back to normal delivery when final text exceeds preview edit limit", async () => {
const harness = createHarness({ answerMessageId: 999, draftMaxChars: 20 });
const longText = "x".repeat(50);
const result = await harness.deliverLaneText({
laneName: "answer",
text: longText,
payload: { text: longText },
infoKind: "final",
});
expect(result.kind).toBe("sent");
expect(harness.editPreview).not.toHaveBeenCalled();
expectSendPayloadWith(harness, { text: longText });
expect(harness.log).toHaveBeenCalledWith(expect.stringContaining("preview final too long"));
});
it("forces a long final preview back to the first chunk before sending the rest", async () => {
const firstChunk = "First chunk boundary.";
const remainingText = " Follow-up body after the boundary.";
const finalText = `${firstChunk}${remainingText}`;
const harness = createHarness({
answerMessageId: 999,
answerHasStreamedMessage: true,
answerLastPartialText: `${firstChunk} overlap already visible`,
draftMaxChars: 24,
splitFinalTextForPreview: () => [firstChunk, remainingText],
});
const result = await deliverFinalAnswer(harness, finalText);
expect(expectPreviewFinalized(result)).toEqual({
content: finalText,
messageId: 999,
});
expect(harness.editPreview).toHaveBeenCalledWith(
expect.objectContaining({
messageId: 999,
text: firstChunk,
}),
);
expect(harness.sendPayload).toHaveBeenCalledWith(
expect.objectContaining({ text: remainingText }),
);
expect(harness.lanes.answer.lastPartialText).toBe(firstChunk);
});
it("sends a fresh final when a message preview is long lived", async () => {
const visibleSinceMs = 10_000;
const harness = createHarness({
answerMessageId: 999,
answerHasStreamedMessage: true,
answerLastPartialText: "Working...",
answerPreviewVisibleSinceMs: visibleSinceMs,
nowMs: visibleSinceMs + 60_000,
});
const result = await deliverFinalAnswer(harness, HELLO_FINAL);
expect(result.kind).toBe("sent");
expect(harness.answer?.update).toHaveBeenNthCalledWith(1, "working");
expect(harness.answer?.update).toHaveBeenNthCalledWith(2, "done");
expect(harness.flushDraftLane).toHaveBeenCalledTimes(1);
expect(harness.stopDraftLane).toHaveBeenCalledTimes(1);
expectSendPayloadWith(harness, { text: HELLO_FINAL });
expect(harness.editPreview).not.toHaveBeenCalled();
expect(harness.answer.stream?.clear).toHaveBeenCalledTimes(1);
expect(harness.answer.stream?.forceNewMessage).toHaveBeenCalledTimes(1);
expect(harness.lanes.answer.hasStreamedMessage).toBe(false);
expect(harness.lanes.answer.lastPartialText).toBe("");
expect(harness.sendPayload).not.toHaveBeenCalled();
});
it("uses normal final delivery when the stream edit leaves stale text", async () => {
const answer = createTestDraftStream({ messageId: 999 });
answer.lastDeliveredText.mockReturnValue("working");
const harness = createHarness({ answerStream: answer });
const result = await deliverFinalAnswer(harness, "done");
expect(result.kind).toBe("sent");
expect(answer.update).toHaveBeenCalledWith("done");
expect(harness.clearDraftLane).toHaveBeenCalledTimes(1);
expect(harness.sendPayload).toHaveBeenCalledWith({ text: "done" }, { durable: true });
expect(harness.markDelivered).not.toHaveBeenCalled();
expect(harness.lanes.answer.finalized).toBe(true);
});
it("falls back to editing a long-lived preview when fresh final send returns false", async () => {
const visibleSinceMs = 10_000;
const harness = createHarness({
answerMessageId: 999,
answerHasStreamedMessage: true,
answerLastPartialText: "Working...",
answerPreviewVisibleSinceMs: visibleSinceMs,
nowMs: visibleSinceMs + 60_000,
});
harness.sendPayload.mockResolvedValueOnce(false);
const result = await deliverFinalAnswer(harness, HELLO_FINAL);
expect(expectPreviewFinalized(result)).toEqual({
content: HELLO_FINAL,
messageId: 999,
});
expect(harness.stopDraftLane).toHaveBeenCalledTimes(2);
expect(harness.sendPayload).toHaveBeenCalledTimes(1);
expect(harness.editPreview).toHaveBeenCalledWith(
expect.objectContaining({
messageId: 999,
text: HELLO_FINAL,
}),
);
expect(harness.answer.stream?.clear).not.toHaveBeenCalled();
expect(harness.markDelivered).toHaveBeenCalledTimes(1);
});
it("sends a fresh final for stale archived previews", async () => {
const visibleSinceMs = 10_000;
const harness = createHarness({
answerMessageId: 1001,
answerPreviewVisibleSinceMs: visibleSinceMs,
nowMs: visibleSinceMs + 60_000,
});
harness.archivedAnswerPreviews.push({
messageId: 222,
textSnapshot: "Working...",
visibleSinceMs,
deleteIfUnused: true,
});
it("falls back to normal delivery when no stream exists", async () => {
const harness = createHarness({ answerStream: null });
const result = await deliverFinalAnswer(harness, HELLO_FINAL);
expect(result.kind).toBe("sent");
expectSendPayloadWith(harness, { text: HELLO_FINAL });
expect(harness.editPreview).not.toHaveBeenCalled();
expect(harness.deletePreviewMessage).toHaveBeenCalledWith(222);
expect(harness.sendPayload).toHaveBeenCalledWith({ text: HELLO_FINAL }, { durable: true });
expect(harness.clearDraftLane).not.toHaveBeenCalled();
expect(harness.lanes.answer.finalized).toBe(true);
});
it("falls back to editing a stale archived preview when fresh final send returns false", async () => {
const visibleSinceMs = 10_000;
const harness = createHarness({
answerMessageId: 1001,
answerPreviewVisibleSinceMs: visibleSinceMs,
nowMs: visibleSinceMs + 60_000,
});
harness.archivedAnswerPreviews.push({
messageId: 222,
textSnapshot: "Working...",
visibleSinceMs,
deleteIfUnused: true,
});
harness.sendPayload.mockResolvedValueOnce(false);
const result = await deliverFinalAnswer(harness, HELLO_FINAL);
expect(expectPreviewFinalized(result)).toEqual({
content: HELLO_FINAL,
messageId: 222,
});
expect(harness.sendPayload).toHaveBeenCalledTimes(1);
expect(harness.editPreview).toHaveBeenCalledWith(
expect.objectContaining({
messageId: 222,
text: HELLO_FINAL,
}),
);
expect(harness.deletePreviewMessage).not.toHaveBeenCalled();
expect(harness.markDelivered).toHaveBeenCalledTimes(1);
});
// ── Duplicate message regression tests ──────────────────────────────────
// During final delivery, only ambiguous post-connect failures keep the
// preview. Definite non-delivery falls back to a real send.
it("retains preview on ambiguous API error during final", async () => {
it("clears unfinalized stream state before non-stream final delivery", async () => {
const harness = createHarness({ answerMessageId: 999 });
// Plain Error with no error_code → ambiguous, prefer incomplete over duplicate
harness.editPreview.mockRejectedValue(new Error("500: Internal Server Error"));
await expectFinalPreviewRetained({ harness });
expect(harness.editPreview).toHaveBeenCalledTimes(1);
});
it("falls back when an archived preview edit target is missing and no alternate preview exists", async () => {
const harness = createHarness();
seedArchivedAnswerPreview(harness);
harness.editPreview.mockRejectedValue(new Error("400: Bad Request: message to edit not found"));
const result = await deliverFinalAnswer(harness, "Complete final answer");
expect(harness.editPreview).toHaveBeenCalledTimes(1);
expectSendPayloadWith(harness, { text: "Complete final answer" });
expect(result.kind).toBe("sent");
expect(harness.deletePreviewMessage).toHaveBeenCalledWith(5555);
});
it("falls back when an archived preview ambiguous final edit would leave an incomplete prefix", async () => {
const harness = createHarness();
harness.archivedAnswerPreviews.push({
messageId: 5555,
textSnapshot: "Hello fi",
deleteIfUnused: true,
});
harness.editPreview.mockRejectedValue(new Error("500: preview edit failed"));
await expectFinalEditFallbackToSend({
harness,
text: HELLO_FINAL,
expectedLogSnippet: "preview is an incomplete prefix; falling back",
});
expect(harness.editPreview).toHaveBeenCalledWith(
expect.objectContaining({
messageId: 5555,
text: HELLO_FINAL,
}),
);
expect(harness.deletePreviewMessage).toHaveBeenCalledWith(5555);
});
it("keeps the active preview when an archived final edit target is missing", async () => {
const harness = createHarness({ answerMessageId: 999 });
seedArchivedAnswerPreview(harness);
harness.editPreview.mockRejectedValue(new Error("400: Bad Request: message to edit not found"));
const result = await deliverFinalAnswer(harness, "Complete final answer");
expect(harness.editPreview).toHaveBeenCalledTimes(1);
expect(harness.sendPayload).not.toHaveBeenCalled();
expect(result.kind).toBe("preview-retained");
expect(harness.log).toHaveBeenCalledWith(
expect.stringContaining("edit target missing; keeping alternate preview without fallback"),
);
});
it("keeps the archived preview when the final text regresses", async () => {
const harness = createHarness();
harness.archivedAnswerPreviews.push({
messageId: 5555,
textSnapshot: "Recovered final answer.",
deleteIfUnused: true,
});
const result = await deliverFinalAnswer(harness, "Recovered final answer");
expect(expectPreviewFinalized(result)).toEqual({
content: "Recovered final answer.",
messageId: 5555,
});
expect(harness.editPreview).not.toHaveBeenCalled();
expect(harness.sendPayload).not.toHaveBeenCalled();
});
it("falls back on 4xx client rejection with error_code during final", async () => {
const harness = createHarness({ answerMessageId: 999 });
const err = Object.assign(new Error("403: Forbidden"), { error_code: 403 });
harness.editPreview.mockRejectedValue(err);
await expectFinalEditFallbackToSend({
harness,
text: "Hello final",
expectedLogSnippet: "rejected by Telegram (client error); falling back",
});
});
it("retains preview on 502 with error_code during final (ambiguous server error)", async () => {
const harness = createHarness({ answerMessageId: 999 });
const err = Object.assign(new Error("502: Bad Gateway"), { error_code: 502 });
harness.editPreview.mockRejectedValue(err);
await expectFinalPreviewRetained({
harness,
expectedLogSnippet: "ambiguous error; keeping existing preview to avoid duplicate",
});
});
it("falls back when the first preview send may have landed without a message id", async () => {
const stream = createTestDraftStream();
stream.sendMayHaveLanded.mockReturnValue(true);
const harness = createHarness({ answerStream: stream });
const result = await deliverFinalAnswer(harness, HELLO_FINAL);
expect(result.kind).toBe("sent");
expectSendPayloadWith(harness, { text: HELLO_FINAL });
});
it("retains when sendMayHaveLanded is true and a prior preview was visible", async () => {
// Stream has a messageId (visible preview) but loses it after stop
const stream = createTestDraftStream({ messageId: 999 });
stream.sendMayHaveLanded.mockReturnValue(true);
const harness = createHarness({
answerStream: stream,
answerHasStreamedMessage: true,
});
// Simulate messageId lost after stop (e.g. forceNewMessage or timeout)
harness.stopDraftLane.mockImplementation(async (lane: DraftLaneState) => {
stream.setMessageId(undefined);
await lane.stream?.stop();
});
await expectFinalPreviewRetained({
harness,
expectedLogSnippet: "preview send may have landed despite missing message id",
});
});
it("deletes consumed boundary previews after fallback final send", async () => {
const harness = createHarness();
harness.archivedAnswerPreviews.push({
messageId: 4444,
textSnapshot: "Boundary preview",
deleteIfUnused: false,
});
const result = await harness.deliverLaneText({
laneName: "answer",
text: "Final with media",
payload: { text: "Final with media", mediaUrl: "file:///tmp/example.png" },
text: "photo",
payload: { text: "photo", mediaUrl: "https://example.com/a.png" },
infoKind: "final",
});
expect(result.kind).toBe("sent");
expectSendPayloadWith(harness, {
text: "Final with media",
mediaUrl: "file:///tmp/example.png",
expect(harness.clearDraftLane).toHaveBeenCalledTimes(1);
expect(harness.answer?.clear).toHaveBeenCalledTimes(1);
expect(harness.sendPayload).toHaveBeenCalledWith(
{
text: "photo",
mediaUrl: "https://example.com/a.png",
},
{ durable: true },
);
});
it("streams the first long final chunk and sends follow-up chunks", async () => {
const harness = createHarness({
answerMessageId: 999,
draftMaxChars: 5,
splitFinalTextForStream: () => ["Hello", " world", " again"],
});
expect(harness.deletePreviewMessage).toHaveBeenCalledWith(4444);
const result = await deliverFinalAnswer(harness, "Hello world again");
expect(expectPreviewFinalized(result)).toMatchObject({
content: "Hello world again",
messageId: 999,
});
expect(harness.answer?.update).toHaveBeenCalledWith("Hello");
expect(harness.sendPayload).toHaveBeenCalledTimes(2);
expect(harness.sendPayload).toHaveBeenNthCalledWith(1, { text: " world" });
expect(harness.sendPayload).toHaveBeenNthCalledWith(2, { text: " again" });
});
it("retains the streamed message when stop may have landed without a message id", async () => {
const answer = createTestDraftStream();
answer.sendMayHaveLanded.mockReturnValue(true);
const harness = createHarness({ answerStream: answer });
const result = await deliverFinalAnswer(harness, HELLO_FINAL);
expect(result.kind).toBe("preview-retained");
expect(answer.update).toHaveBeenCalledWith(HELLO_FINAL);
expect(harness.sendPayload).not.toHaveBeenCalled();
expect(harness.markDelivered).toHaveBeenCalledTimes(1);
expect(harness.lanes.answer.finalized).toBe(true);
});
it("attaches buttons to the stream message without sending a second reply", async () => {
const harness = createHarness({ answerMessageId: 999 });
const buttons = [[{ text: "OK", callback_data: "ok" }]];
const result = await harness.deliverLaneText({
laneName: "answer",
text: HELLO_FINAL,
payload: { text: HELLO_FINAL, channelData: { telegram: { buttons } } },
infoKind: "final",
buttons,
});
expect(expectPreviewFinalized(result)).toMatchObject({
content: HELLO_FINAL,
messageId: 999,
});
expect(harness.editStreamMessage).toHaveBeenCalledWith({
laneName: "answer",
messageId: 999,
text: HELLO_FINAL,
buttons,
});
expect(harness.sendPayload).not.toHaveBeenCalled();
});
it("keeps the stream delivery when button attachment fails", async () => {
const harness = createHarness({ answerMessageId: 999 });
const buttons = [[{ text: "OK", callback_data: "ok" }]];
harness.editStreamMessage.mockRejectedValue(new Error("400: button rejected"));
const result = await harness.deliverLaneText({
laneName: "answer",
text: HELLO_FINAL,
payload: { text: HELLO_FINAL, channelData: { telegram: { buttons } } },
infoKind: "final",
buttons,
});
expect(expectPreviewFinalized(result)).toMatchObject({
content: HELLO_FINAL,
messageId: 999,
});
expect(harness.sendPayload).not.toHaveBeenCalled();
expect(harness.log).toHaveBeenCalledWith(
"telegram: answer stream button edit failed: Error: 400: button rejected",
);
});
});