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| 1 | +import type { Page, Response } from "@playwright/test"; |
| 2 | +import { AI_TIMEOUT, expect, expectStreamed, fake, readAIResponse, startDebate, test } from "./fixtures"; |
| 3 | + |
| 4 | +// Feature map: features/live-generation.md. |
| 5 | +const motion = "This House would make public transport free at the point of use"; |
| 6 | + |
| 7 | +/** The next `ai` request for a feature, with the body the page sent. */ |
| 8 | +function aiRequest(page: Page, feature: string): Promise<Response> { |
| 9 | + return page.waitForResponse((response) => { |
| 10 | + if (!response.url().endsWith("/functions/v1/ai") || response.request().method() !== "POST") return false; |
| 11 | + try { |
| 12 | + return (response.request().postDataJSON() as { feature?: string }).feature === feature; |
| 13 | + } catch { |
| 14 | + return false; |
| 15 | + } |
| 16 | + }, { timeout: AI_TIMEOUT }); |
| 17 | +} |
| 18 | + |
| 19 | +/** The event stream's shape: token deltas in order, then exactly one result. */ |
| 20 | +async function expectLiveStream(response: Response) { |
| 21 | + expect((response.request().postDataJSON() as { stream?: unknown }).stream, "the page asked for live generation").toBe(true); |
| 22 | + expect(response.headers()["content-type"]).toContain("text/event-stream"); |
| 23 | + const text = await response.text(); |
| 24 | + const events = text.split("\n\n").flatMap((block) => /^event: (\w+)$/m.exec(block)?.[1] ?? []); |
| 25 | + const deltas = events.filter((event) => event === "delta").length; |
| 26 | + expect(deltas, "token deltas").toBeGreaterThan(3); |
| 27 | + expect(events.filter((event) => event === "result"), "one result event").toHaveLength(1); |
| 28 | + expect(events.at(-1)).toBe("result"); |
| 29 | + const { status, body } = await readAIResponse(response); |
| 30 | + expect(status).toBe(200); |
| 31 | + return { deltas, body }; |
| 32 | +} |
| 33 | + |
| 34 | +test("live-generate: a case fills in section by section while the model writes it", async ({ signedIn: page, evidence }) => { |
| 35 | + // Fake mode writes a case in about a second; slow it so the draft can be inspected. |
| 36 | + await fake.streamDelay(80); |
| 37 | + await startDebate(page, motion); |
| 38 | + await page.goto("/app/generate"); |
| 39 | + await expect(page.getByRole("textbox", { name: "Motion / Topic *" })).toHaveValue(motion); |
| 40 | + const request = aiRequest(page, "generate"); |
| 41 | + await page.getByRole("button", { name: "Generate Debate Case" }).click(); |
| 42 | + |
| 43 | + // Before the answer is complete, the draft shows what is written so far. |
| 44 | + const draft = page.getByTestId("live-draft"); |
| 45 | + await expect(draft).toBeVisible({ timeout: AI_TIMEOUT }); |
| 46 | + await expect(draft.getByRole("region", { name: "Case Structure" })).toBeVisible(); |
| 47 | + await expect(draft.getByTestId("live-caret")).toHaveCount(1); |
| 48 | + await expect(draft.getByRole("button", { name: "Cancel" })).toBeVisible(); |
| 49 | + await evidence.shot("01-writing-live"); |
| 50 | + await evidence.aria("01-writing-live", draft); |
| 51 | + |
| 52 | + const { deltas, body } = await expectLiveStream(await request); |
| 53 | + await evidence.step(`Generate streamed ${deltas} token deltas before its result`); |
| 54 | + const thesis = (body.output as { caseStructure: { thesis: string } }).caseStructure.thesis; |
| 55 | + // The finished case replaces the draft with the full result and its toolbar. |
| 56 | + await expect(draft).toHaveCount(0); |
| 57 | + await expect(page.getByText(thesis).first()).toBeVisible(); |
| 58 | + await expect(page.getByRole("button", { name: "PDF", exact: true })).toBeVisible(); |
| 59 | + await evidence.shot("02-finished-case"); |
| 60 | + await expectStreamed(["generate"]); |
| 61 | +}); |
| 62 | + |
| 63 | +test("live-cancel: Cancel stops a live run and leaves no draft or result", async ({ signedIn: page, evidence }) => { |
| 64 | + await startDebate(page, motion); |
| 65 | + await page.goto("/app/generate"); |
| 66 | + await page.getByRole("button", { name: "Generate Debate Case" }).click(); |
| 67 | + const draft = page.getByTestId("live-draft"); |
| 68 | + await expect(draft).toBeVisible({ timeout: AI_TIMEOUT }); |
| 69 | + await draft.getByRole("button", { name: "Cancel" }).click(); |
| 70 | + await expect(draft).toHaveCount(0); |
| 71 | + await expect(page.getByRole("heading", { name: "Ready to Generate" })).toBeVisible(); |
| 72 | + await expect(page.getByRole("alert")).toHaveCount(0); |
| 73 | + await evidence.shot("01-canceled"); |
| 74 | +}); |
| 75 | + |
| 76 | +test("live-tools: Attack, Brainstorm, Factoids, and cited Ask stream their answers", async ({ signedIn: page, evidence }) => { |
| 77 | + await startDebate(page, motion); |
| 78 | + |
| 79 | + await page.goto("/app/attack"); |
| 80 | + await page.getByLabel("Your Argument *").fill("Free transit raises ridership, so it always pays for itself."); |
| 81 | + let request = aiRequest(page, "attack"); |
| 82 | + await page.getByRole("button", { name: "Find Weaknesses" }).click(); |
| 83 | + await expectLiveStream(await request); |
| 84 | + await evidence.shot("01-attack"); |
| 85 | + |
| 86 | + await page.goto("/app/brainstorm"); |
| 87 | + request = aiRequest(page, "brainstorm"); |
| 88 | + await page.getByRole("button", { name: "Start Brainstorming" }).click(); |
| 89 | + await expectLiveStream(await request); |
| 90 | + await evidence.shot("02-brainstorm"); |
| 91 | + |
| 92 | + await page.goto("/app/factoids"); |
| 93 | + await page.getByLabel("Statement *").fill("Free fares increase public transport ridership."); |
| 94 | + request = aiRequest(page, "factoids"); |
| 95 | + await page.getByRole("button", { name: "Find Factoids" }).click(); |
| 96 | + await expectLiveStream(await request); |
| 97 | + await evidence.shot("03-factoids"); |
| 98 | + |
| 99 | + await page.goto("/app/ask"); |
| 100 | + await page.getByRole("button", { name: "Options" }).click(); |
| 101 | + await page.locator("#citation-mode").click(); |
| 102 | + await page.keyboard.press("Escape"); |
| 103 | + await page.getByPlaceholder("Ask your debate coach...").fill("How should I weigh access against cost?"); |
| 104 | + request = aiRequest(page, "ask"); |
| 105 | + await page.getByRole("button", { name: "Send message" }).click(); |
| 106 | + const { body } = await expectLiveStream(await request); |
| 107 | + const answer = (body.output as { response: string }).response; |
| 108 | + await expect(page.getByText(answer.slice(0, 30)).first()).toBeVisible(); |
| 109 | + await evidence.shot("04-ask-cited"); |
| 110 | + |
| 111 | + await expectStreamed(["attack", "brainstorm", "factoids", "ask"]); |
| 112 | +}); |
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