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import { expect, test, type Page, type Route } from "@playwright/test";
import { fmpFallback, happyPath, nullAggregate, overviewFixture, serverError, upstreamEmpty } from "./fixtures/news.fixtures";
import type { NewsResponse } from "../types/api";
const newsRoutePattern = "**/api/tickers/*/news";
const overviewRoutePattern = "**/api/tickers/*/overview";
const newsPage = "[data-testid='news-page']";
const newsLoading = "[data-testid='news-loading']";
const newsError = "[data-testid='news-error']";
const newsEmpty = "[data-testid='news-empty']";
const newsFilterEmpty = "[data-testid='news-filter-empty']";
const newsLede = "[data-testid='news-lede']";
const newsLedeAggregate = "[data-testid='news-lede-aggregate']";
const newsRangeFilter = "[data-testid='news-filter-range']";
const newsSourceFilter = "[data-testid='news-filter-source']";
const newsSourceMore = "[data-testid='news-filter-source-more']";
const newsSourceDropdown = "[data-testid='news-source-dropdown']";
const newsSentimentFilter = "[data-testid='news-filter-sentiment']";
const newsReadout = "[data-testid='news-readout']";
const newsFeed = "[data-testid='news-feed']";
const newsCard = "[data-testid='news-card']";
const newsCardTitle = "[data-testid='news-card-title']";
const newsCardSentiment = "[data-testid='news-card-sentiment']";
const newsCardSource = "[data-testid='news-card-source']";
type MockNews = NewsResponse | typeof serverError;
async function mockNews(page: Page, body: MockNews, status = 200): Promise<void> {
await page.route(newsRoutePattern, async (route: Route) => {
await route.fulfill({
status,
contentType: "application/json",
body: JSON.stringify(body)
});
});
}
async function mockOverview(page: Page): Promise<void> {
await page.route(overviewRoutePattern, async (route: Route) => {
await route.fulfill({
status: 200,
contentType: "application/json",
body: JSON.stringify(overviewFixture)
});
});
}
async function openNews(page: Page): Promise<void> {
await page.clock.install();
await page.clock.setFixedTime(new Date("2026-06-22T12:00:00.000Z"));
await page.goto("/?ticker=AMD&tab=news");
await expect(page.locator(newsPage)).toBeVisible();
}
async function screenshot(page: Page, scenario: string): Promise<void> {
await page.screenshot({ path: `./e2e/screenshots/news-${scenario}.png`, fullPage: true });
}
function overflowNews(): NewsResponse {
return {
...happyPath,
items: [
...happyPath.items,
{
id: "amd-tail-source",
title: "TailSource flags AMD embedded design wins",
summary: "Embedded wins gave a smaller publication a distinct AMD headline for overflow testing.",
source: "TailSource",
url: "https://example.test/news/amd-tail-source",
sentiment: "neutral",
published_at: "2026-06-22T10:45:00.000Z"
},
...["Bloomberg", "Barrons", "InvestorPlace", "The Information"].map((source, index) => ({
id: `amd-overflow-${index}`,
title: `${source} tracks AMD catalyst ${index + 1}`,
summary: `${source} adds a deterministic overflow source for the News tab filter menu.`,
source,
url: `https://example.test/news/amd-overflow-${index}`,
sentiment: "bullish" as const,
published_at: "2026-06-22T09:00:00.000Z"
}))
]
};
}
test.describe("News tab", () => {
test.beforeEach(async ({ page }) => {
await mockOverview(page);
});
test("S1 Happy path shows cards, readout, and aggregate lede", async ({ page }) => {
await mockNews(page, happyPath);
await openNews(page);
await expect(page.locator(newsLoading)).toHaveCount(0);
await expect(page.locator(newsFeed)).toBeVisible();
await expect(page.locator(newsCard).first()).toBeVisible();
await expect(page.locator(newsCardTitle).first()).toContainText("AMD AI chip ramp");
await expect(page.locator(newsCard)).toHaveCount(happyPath.items.length);
await expect(page.locator(newsReadout)).toContainText(/\d+ articles?/i);
await expect(page.locator(newsLedeAggregate)).toBeVisible();
await screenshot(page, "s1-happy-path");
});
test("S2 Sentiment filter keeps only bullish cards and updates readout", async ({ page }) => {
await mockNews(page, happyPath);
await openNews(page);
await page.locator(newsSentimentFilter).getByRole("button", { name: /bull/i }).click();
await expect(page.locator(newsCard)).toHaveCount(2);
await expect(page.locator(newsCardSentiment)).toHaveText([/bull/i, /bull/i]);
await expect(page.locator(newsReadout)).toContainText(/2 articles?/i);
await screenshot(page, "s2-sentiment-filter");
});
test("S3 Range filter shrinks to 24H results and updates readout", async ({ page }) => {
await mockNews(page, happyPath);
await openNews(page);
await page.locator(newsRangeFilter).getByRole("button", { name: /24h/i }).click();
await expect(page.locator(newsCard)).toHaveCount(3);
await expect(page.locator(newsReadout)).toContainText(/3 articles?/i);
await screenshot(page, "s3-range-filter");
});
test("S4 Source overflow filters a tail source from More disclosure", async ({ page }) => {
await mockNews(page, overflowNews());
await openNews(page);
await expect(page.locator(newsSourceMore)).toContainText(/more/i);
await page.locator(newsSourceMore).click();
await expect(page.locator(newsSourceDropdown)).toBeVisible();
await page.locator(newsSourceDropdown).getByRole("button", { name: /tailsource/i }).click();
await expect(page.locator(newsCard)).toHaveCount(1);
await expect(page.locator(newsCardSource)).toHaveText("TailSource");
await expect(page.locator(newsSourceFilter)).toContainText("TailSource");
await screenshot(page, "s4-source-overflow");
});
test("S5 FMP fallback shows provider caption", async ({ page }) => {
await mockNews(page, fmpFallback);
await openNews(page);
await expect(page.locator(newsLede)).toContainText(/· fmp/i);
await screenshot(page, "s5-fmp-fallback");
});
test("S6 Article click opens the mocked URL in a new tab", async ({ page }) => {
await page.context().route("https://example.test/**", async (route: Route) => {
await route.fulfill({
status: 200,
contentType: "text/html",
body: "<html><body>mock article</body></html>"
});
});
await mockNews(page, happyPath);
await openNews(page);
await expect(page.locator(newsCard).first()).toHaveAttribute("href", happyPath.items[0].url);
const [popup] = await Promise.all([
page.waitForEvent("popup"),
page.locator(newsCard).first().click()
]);
await expect(popup).toHaveURL(happyPath.items[0].url);
await screenshot(page, "s6-article-click");
});
test("S7 No ticker shows the global workbench placeholder", async ({ page }) => {
await page.goto("/");
await expect(page.getByText("Choose a ticker to enter the workbench")).toBeVisible();
await screenshot(page, "s7-no-ticker");
});
test("S8 Backend error shows the news error card", async ({ page }) => {
await mockNews(page, serverError, 500);
await openNews(page);
await expect(page.locator(newsError)).toBeVisible();
await expect(page.locator(newsError)).toContainText("Failed to load news");
await screenshot(page, "s8-backend-error");
});
test("S9 Hover resolves the card border to champagne", async ({ page }) => {
await mockNews(page, happyPath);
await openNews(page);
await page.locator(newsCard).first().hover();
await expect(page.locator(newsCard).first()).toHaveCSS("border-color", "rgb(194, 170, 122)");
await screenshot(page, "s9-hover");
});
test("S10 Upstream-empty shows the no recent news card", async ({ page }) => {
await mockNews(page, upstreamEmpty);
await openNews(page);
await expect(page.locator(newsEmpty)).toBeVisible();
await expect(page.locator(newsEmpty)).toContainText("No recent news for AMD");
await screenshot(page, "s10-upstream-empty");
});
test("S11 Filter-empty shows no matches after incompatible filters", async ({ page }) => {
await mockNews(page, happyPath);
await openNews(page);
await page.locator(newsSentimentFilter).getByRole("button", { name: /bull/i }).click();
await page.locator(newsSourceFilter).getByRole("button", { name: /reuters/i }).click();
await expect(page.locator(newsFilterEmpty)).toBeVisible();
await expect(page.locator(newsFilterEmpty)).toContainText("No matches");
await screenshot(page, "s11-filter-empty");
});
test("S12 Null aggregate renders lede without aggregate chips or errors", async ({ page }) => {
await mockNews(page, nullAggregate);
await openNews(page);
await expect(page.locator(newsLede)).toBeVisible();
await expect(page.locator(newsLedeAggregate)).toHaveCount(0);
await expect(page.locator(newsError)).toHaveCount(0);
await screenshot(page, "s12-null-aggregate");
});
});
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