Files
CWC/tests/chrome-tint.spec.js
T
Keith Solomon a41f6f3834
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🐞 fix: Update Chrome tint implementation for iOS 26+ compatibility and enhance test coverage
2026-07-12 14:12:18 -05:00

200 lines
7.4 KiB
JavaScript

import { expect, test } from "@playwright/test";
/**
* Chrome tint behavior:
*
* - Top tint (status bar / notch / Dynamic Island) — iOS ≤18 / Chrome:
* <meta name="theme-color"> = HEADER_COLOR when the site header is
* in view; cleared (no content) otherwise.
*
* - Top tint — iOS 26+ (where the meta tag is ignored):
* document.body.style.backgroundColor is set to the same color.
* WebKit's live observer picks up body background changes and tints
* the chrome to match.
*
* - Bottom tint (home indicator area, behind the address bar):
* <body class="footer-in-view"> when the site footer is in view;
* absent otherwise. The CSS body::after pseudo-element picks up
* the footer color from this class. (iOS 26 only samples one color
* for the entire chrome, so the top and bottom share a color on
* iOS 26; the pseudo-element is a no-op fallback there.)
*
* Tests run against the local Herd site.
*/
const site = "http://community-works-collaborative.test/";
const HEADER_COLOR = "#032F46";
test.describe("chrome tint", () => {
test.use({ viewport: { width: 402, height: 874 } });
test("static theme-color meta is present in the document head", async ({
page,
}) => {
await page.goto(site, { waitUntil: "networkidle" });
const content = await page.evaluate(() => {
const meta = document.querySelector('meta[name="theme-color"]');
return meta ? meta.getAttribute("content") : null;
});
// Either the server-rendered value or the value set by JS on
// initial paint (the header is in view at page top) should be
// the header color.
expect(content).toBe(HEADER_COLOR);
});
test("viewport meta includes viewport-fit=cover", async ({ page }) => {
await page.goto(site, { waitUntil: "networkidle" });
const viewport = await page.evaluate(() => {
const meta = document.querySelector('meta[name="viewport"]');
return meta ? meta.getAttribute("content") : null;
});
expect(viewport).toContain("viewport-fit=cover");
});
test("theme-color meta is set when header is in view at page top", async ({
page,
}) => {
await page.goto(site, { waitUntil: "networkidle" });
// Wait for ChromeTint.js to run (it observes on DOMContentLoaded).
await page.waitForFunction(
(expected) => {
const meta = document.querySelector('meta[name="theme-color"]');
return meta && meta.getAttribute("content") === expected;
},
HEADER_COLOR,
{ timeout: 2000 },
);
const content = await page.evaluate(() =>
document.querySelector('meta[name="theme-color"]').getAttribute("content"),
);
expect(content).toBe(HEADER_COLOR);
});
test("theme-color meta clears when header scrolls out of view", async ({
page,
}) => {
await page.goto(site, { waitUntil: "networkidle" });
await page.waitForFunction(
(expected) => {
const meta = document.querySelector('meta[name="theme-color"]');
return meta && meta.getAttribute("content") === expected;
},
HEADER_COLOR,
{ timeout: 2000 },
);
await page.evaluate(() => window.scrollTo(0, 1200));
await page.waitForTimeout(300);
const content = await page.evaluate(() => {
const meta = document.querySelector('meta[name="theme-color"]');
return meta ? meta.getAttribute("content") : null;
});
expect(content).toBeNull();
});
test("body background is set to header color when header is in view (iOS 26 path)", async ({
page,
}) => {
await page.goto(site, { waitUntil: "networkidle" });
// Wait for ChromeTint.js to set the body background.
await page.waitForFunction(
() => document.body.style.backgroundColor !== "",
{ timeout: 2000 },
);
const bg = await page.evaluate(() => document.body.style.backgroundColor);
// The browser normalizes hex to rgb() — accept either form.
// #032F46 = rgb(3, 47, 70) (with sRGB rounding)
expect(bg).toMatch(/^#?032[Ff]46$|^rgb\(\s*3,\s*4[67],\s*70\s*\)$/);
});
test("body background clears when header scrolls out of view", async ({
page,
}) => {
await page.goto(site, { waitUntil: "networkidle" });
await page.waitForFunction(
() => document.body.style.backgroundColor !== "",
{ timeout: 2000 },
);
await page.evaluate(() => window.scrollTo(0, 1200));
await page.waitForFunction(
() => document.body.style.backgroundColor === "",
{ timeout: 2000 },
);
const bg = await page.evaluate(() => document.body.style.backgroundColor);
expect(bg).toBe("");
});
test("bottom tint class is absent when footer is out of view", async ({
page,
}) => {
await page.goto(site, { waitUntil: "networkidle" });
await page.waitForTimeout(200);
const hasClass = await page.evaluate(() =>
document.body.classList.contains("footer-in-view"),
);
expect(hasClass).toBe(false);
});
test("bottom tint class is added when footer enters the viewport", async ({
page,
}) => {
await page.goto(site, { waitUntil: "networkidle" });
await page.evaluate(() =>
window.scrollTo(0, document.documentElement.scrollHeight),
);
await page.waitForFunction(
() => document.body.classList.contains("footer-in-view"),
{ timeout: 2000 },
);
const hasClass = await page.evaluate(() =>
document.body.classList.contains("footer-in-view"),
);
expect(hasClass).toBe(true);
});
test("bottom tint class is removed when footer scrolls out of view", async ({
page,
}) => {
await page.goto(site, { waitUntil: "networkidle" });
await page.evaluate(() =>
window.scrollTo(0, document.documentElement.scrollHeight),
);
await page.waitForFunction(
() => document.body.classList.contains("footer-in-view"),
{ timeout: 2000 },
);
await page.evaluate(() => window.scrollTo(0, 0));
await page.waitForFunction(
() => !document.body.classList.contains("footer-in-view"),
{ timeout: 2000 },
);
const hasClass = await page.evaluate(() =>
document.body.classList.contains("footer-in-view"),
);
expect(hasClass).toBe(false);
});
test("CSS body::after fills the home indicator safe area", async ({
page,
}) => {
await page.goto(site, { waitUntil: "networkidle" });
const css = await page.evaluate(() => {
for (const sheet of Array.from(document.styleSheets)) {
try {
for (const rule of Array.from(sheet.cssRules)) {
if (rule.selectorText === "body::after") {
return rule.cssText;
}
}
} catch {
// cross-origin
}
}
return null;
});
expect(css).toContain("env(safe-area-inset-bottom)");
expect(css).toContain("position: fixed");
});
});