mirror of
https://github.com/AmruthPillai/Reactive-Resume.git
synced 2026-10-03 02:04:31 +10:00
Merge pull request #3483 from amruthpillai/codex/issue-2683-preview-export-geometry
test: measure preview and export geometry
This commit is contained in:
Amruth Pillai
@@ -0,0 +1,721 @@
|
||||
import type { Page, TestInfo } from "@playwright/test";
|
||||
import { readFile, writeFile } from "node:fs/promises";
|
||||
import { createRequire } from "node:module";
|
||||
import { getDocument } from "pdfjs-dist/legacy/build/pdf.mjs";
|
||||
import { Pool } from "pg";
|
||||
import { defaultResumeData } from "@reactive-resume/schema/resume/default";
|
||||
import { generateFilename } from "@reactive-resume/utils/file";
|
||||
import { createSampleResumeFromDashboard, openSidebarSection } from "../fixtures/resume";
|
||||
import { expect, test } from "../fixtures/test";
|
||||
|
||||
type CapturedPdfWindow = Window & { resumePdfBytes?: number[] };
|
||||
|
||||
type GeometryScenario = {
|
||||
format: "a4" | "letter" | "free-form";
|
||||
marginY: number;
|
||||
overflow: boolean;
|
||||
};
|
||||
|
||||
type PdfPageGeometry = {
|
||||
mediaBox: { height: number; width: number };
|
||||
inkBounds: { bottomY: number; topY: number } | null;
|
||||
sentinels: Record<string, { bottomY: number; topY: number }>;
|
||||
text: string;
|
||||
};
|
||||
|
||||
type PdfGeometry = {
|
||||
pages: PdfPageGeometry[];
|
||||
pageCount: number;
|
||||
};
|
||||
|
||||
type PreviewPageGeometry = {
|
||||
canvas: { cssHeight: number; cssWidth: number; height: number; width: number };
|
||||
canvasRect: { height: number; width: number; x: number; y: number };
|
||||
wrapper: { clientHeight: number; clientWidth: number; height: number; width: number; x: number; y: number };
|
||||
};
|
||||
|
||||
type PreviewGeometry = {
|
||||
devicePixelRatio: number;
|
||||
pages: PreviewPageGeometry[];
|
||||
transform: { matrix: string; scaleX: number; scaleY: number };
|
||||
viewportClip: {
|
||||
clientHeight: number;
|
||||
clientWidth: number;
|
||||
height: number;
|
||||
scrollHeight: number;
|
||||
scrollWidth: number;
|
||||
overflowX: string;
|
||||
overflowY: string;
|
||||
width: number;
|
||||
x: number;
|
||||
y: number;
|
||||
};
|
||||
viewport: { height: number; width: number };
|
||||
};
|
||||
|
||||
type PersistedFixture = {
|
||||
data: ReturnType<typeof createFixture>;
|
||||
revision: string;
|
||||
};
|
||||
|
||||
const FORMATS: GeometryScenario["format"][] = ["a4", "letter", "free-form"];
|
||||
const MARGINS = [defaultResumeData.metadata.page.marginY, 15];
|
||||
const SCENARIOS: GeometryScenario[] = FORMATS.flatMap((format) =>
|
||||
MARGINS.flatMap((marginY) => [
|
||||
{ format, marginY, overflow: false },
|
||||
{ format, marginY, overflow: true },
|
||||
]),
|
||||
);
|
||||
|
||||
// Policy: PDF coordinates allow 0.05pt layout rounding; raster comparisons allow a 32-level
|
||||
// per-channel antialiasing delta and at most 2% (capped at 200,000) mismatching pixels per page.
|
||||
// Page count, ink presence, sentinels, and export target remain strict.
|
||||
const PDF_COORDINATE_TOLERANCE = 0.05;
|
||||
const DOM_LAYOUT_TOLERANCE = 1;
|
||||
const TRANSFORM_SCALE_TOLERANCE = 0.005;
|
||||
const RASTER_CHANNEL_TOLERANCE = 32;
|
||||
const RASTER_MISMATCH_RATIO_LIMIT = 0.02;
|
||||
const RASTER_MISMATCH_PIXEL_LIMIT = 200_000;
|
||||
const GEOMETRY_E2E_OPT_IN = "PREVIEW_EXPORT_GEOMETRY_E2E";
|
||||
const DISPOSABLE_DATABASE_NAME = "reactive_resume_preview_export_geometry_e2e";
|
||||
|
||||
const requirePdf = createRequire(`${process.cwd()}/packages/pdf/package.json`);
|
||||
const requireWeb = createRequire(`${process.cwd()}/apps/web/package.json`);
|
||||
const { createCanvas } = requirePdf("@napi-rs/canvas") as {
|
||||
createCanvas: (
|
||||
width: number,
|
||||
height: number,
|
||||
) => {
|
||||
getContext: (type: "2d") => {
|
||||
getImageData: (x: number, y: number, width: number, height: number) => { data: Uint8ClampedArray };
|
||||
};
|
||||
};
|
||||
};
|
||||
|
||||
function dedicatedDatabaseUrl() {
|
||||
const value = process.env.DATABASE_URL;
|
||||
if (!value) throw new Error("DATABASE_URL is required for preview/export geometry E2E.");
|
||||
if (process.env[GEOMETRY_E2E_OPT_IN] !== "1") {
|
||||
throw new Error(
|
||||
`Refusing preview/export geometry E2E: set ${GEOMETRY_E2E_OPT_IN}=1 to opt in; this suite mutates and deletes fixture data.`,
|
||||
);
|
||||
}
|
||||
|
||||
const url = new URL(value);
|
||||
if (
|
||||
!["localhost", "127.0.0.1"].includes(url.hostname) ||
|
||||
url.port !== "55432" ||
|
||||
decodeURIComponent(url.pathname.slice(1)) !== DISPOSABLE_DATABASE_NAME
|
||||
) {
|
||||
throw new Error(
|
||||
`Refusing preview/export geometry E2E: DATABASE_URL must be loopback port 55432 database ${DISPOSABLE_DATABASE_NAME}.`,
|
||||
);
|
||||
}
|
||||
|
||||
return value;
|
||||
}
|
||||
|
||||
function scenarioName(scenario: GeometryScenario) {
|
||||
return `GEOMETRY_${scenario.format.toUpperCase()}_M${scenario.marginY}_${scenario.overflow ? "OVERFLOW" : "FIT"}`;
|
||||
}
|
||||
|
||||
function createFixture(scenario: GeometryScenario) {
|
||||
const data = structuredClone(defaultResumeData);
|
||||
const name = scenarioName(scenario);
|
||||
const paragraphs = scenario.overflow ? 40 : 4;
|
||||
|
||||
data.picture.hidden = true;
|
||||
data.picture.url = "";
|
||||
data.basics.name = name;
|
||||
data.basics.headline = "Synthetic Helvetica geometry fixture";
|
||||
data.basics.email = "";
|
||||
data.basics.phone = "";
|
||||
data.basics.location = "";
|
||||
data.basics.website = { url: "", label: "" };
|
||||
data.basics.customFields = [];
|
||||
data.summary.title = "Geometry";
|
||||
data.summary.content = [
|
||||
"<p>TOP_SENTINEL</p>",
|
||||
...Array.from(
|
||||
{ length: paragraphs },
|
||||
(_, index) => `<p>Geometry line ${index + 1}: deterministic Helvetica content for page measurements.</p>`,
|
||||
),
|
||||
"<p>BOTTOM_SENTINEL</p>",
|
||||
].join("");
|
||||
data.sections = structuredClone(defaultResumeData.sections);
|
||||
data.metadata.template = "rhyhorn";
|
||||
data.metadata.layout.pages = [{ fullWidth: true, main: ["summary"], sidebar: [] }];
|
||||
data.metadata.page = {
|
||||
...data.metadata.page,
|
||||
format: scenario.format,
|
||||
marginY: scenario.marginY,
|
||||
};
|
||||
data.metadata.typography.body.fontFamily = "Helvetica";
|
||||
data.metadata.typography.heading.fontFamily = "Helvetica";
|
||||
data.metadata.notes = `preview-export-geometry:${name}`;
|
||||
|
||||
return data;
|
||||
}
|
||||
|
||||
async function updateFixture(resumeId: string, data: ReturnType<typeof createFixture>): Promise<PersistedFixture> {
|
||||
const pool = new Pool({ connectionString: dedicatedDatabaseUrl() });
|
||||
try {
|
||||
const before = await pool.query<{ revision: string }>(
|
||||
'select updated_at::text as revision from "resume" where id = $1',
|
||||
[resumeId],
|
||||
);
|
||||
const previousRevision = before.rows[0]?.revision;
|
||||
await pool.query('update "resume" set data = $2, updated_at = now() where id = $1', [resumeId, data]);
|
||||
const result = await pool.query<{ data: ReturnType<typeof createFixture>; revision: string }>(
|
||||
'select data, updated_at::text as revision from "resume" where id = $1',
|
||||
[resumeId],
|
||||
);
|
||||
const persisted = result.rows[0];
|
||||
if (!persisted) throw new Error("Synthetic geometry fixture row disappeared during persistence.");
|
||||
expect(persisted.data, "Synthetic geometry fixture full source JSON").toEqual(data);
|
||||
if (!persisted.revision || persisted.revision === previousRevision) {
|
||||
throw new Error("Synthetic geometry fixture revision did not advance.");
|
||||
}
|
||||
return persisted;
|
||||
} finally {
|
||||
await pool.end();
|
||||
}
|
||||
}
|
||||
|
||||
async function readPersistedFixture(resumeId: string): Promise<PersistedFixture> {
|
||||
const pool = new Pool({ connectionString: dedicatedDatabaseUrl() });
|
||||
try {
|
||||
const result = await pool.query<{ data: ReturnType<typeof createFixture>; revision: string }>(
|
||||
'select data, updated_at::text as revision from "resume" where id = $1',
|
||||
[resumeId],
|
||||
);
|
||||
const persisted = result.rows[0];
|
||||
if (!persisted) throw new Error("Synthetic geometry fixture row is missing.");
|
||||
return persisted;
|
||||
} finally {
|
||||
await pool.end();
|
||||
}
|
||||
}
|
||||
|
||||
async function installPreviewCapture(page: Page) {
|
||||
await page.addInitScript(() => {
|
||||
(window as CapturedPdfWindow).resumePdfBytes = undefined;
|
||||
const originalArrayBuffer = Blob.prototype.arrayBuffer;
|
||||
Blob.prototype.arrayBuffer = async function () {
|
||||
const buffer = await originalArrayBuffer.call(this);
|
||||
const bytes = new Uint8Array(buffer);
|
||||
if (String.fromCharCode(...bytes.subarray(0, 5)) === "%PDF-") {
|
||||
(window as CapturedPdfWindow).resumePdfBytes = Array.from(bytes);
|
||||
}
|
||||
return buffer;
|
||||
};
|
||||
});
|
||||
|
||||
await page.route("**/__pdf_reference/*", async (route) => {
|
||||
const worker = new URL(route.request().url()).pathname.endsWith("worker.mjs");
|
||||
await route.fulfill({
|
||||
contentType: "text/javascript",
|
||||
path: requireWeb.resolve(`pdfjs-dist/legacy/build/${worker ? "pdf.worker.mjs" : "pdf.mjs"}`),
|
||||
});
|
||||
});
|
||||
}
|
||||
|
||||
async function inspectPdf(bytes: Uint8Array): Promise<PdfGeometry> {
|
||||
const loading = getDocument({ data: bytes.slice(), useSystemFonts: true });
|
||||
try {
|
||||
const document = await loading.promise;
|
||||
const pages: PdfPageGeometry[] = [];
|
||||
for (let pageNumber = 1; pageNumber <= document.numPages; pageNumber += 1) {
|
||||
const page = await document.getPage(pageNumber);
|
||||
const viewport = page.getViewport({ scale: 1 });
|
||||
const content = await page.getTextContent();
|
||||
const sentinels: PdfPageGeometry["sentinels"] = {};
|
||||
for (const item of content.items) {
|
||||
if (!("str" in item) || !(item.str.includes("TOP_SENTINEL") || item.str.includes("BOTTOM_SENTINEL"))) continue;
|
||||
const topY = viewport.height - item.transform[5] - item.height;
|
||||
const bottomY = viewport.height - item.transform[5];
|
||||
if (item.str.includes("TOP_SENTINEL")) sentinels.TOP_SENTINEL = { bottomY, topY };
|
||||
if (item.str.includes("BOTTOM_SENTINEL")) sentinels.BOTTOM_SENTINEL = { bottomY, topY };
|
||||
}
|
||||
|
||||
const width = Math.ceil(viewport.width);
|
||||
const height = Math.ceil(viewport.height);
|
||||
const canvas = createCanvas(width, height);
|
||||
const context = canvas.getContext("2d");
|
||||
await page.render({
|
||||
canvas: canvas as unknown as HTMLCanvasElement,
|
||||
canvasContext: context as unknown as CanvasRenderingContext2D,
|
||||
viewport,
|
||||
background: "white",
|
||||
}).promise;
|
||||
const pixels = context.getImageData(0, 0, width, height).data;
|
||||
let topY = height;
|
||||
let bottomY = -1;
|
||||
for (let y = 0; y < height; y += 1) {
|
||||
for (let x = 0; x < width; x += 1) {
|
||||
const offset = (y * width + x) * 4;
|
||||
if (
|
||||
(pixels[offset] ?? 255) >= 245 &&
|
||||
(pixels[offset + 1] ?? 255) >= 245 &&
|
||||
(pixels[offset + 2] ?? 255) >= 245
|
||||
) {
|
||||
continue;
|
||||
}
|
||||
topY = Math.min(topY, y);
|
||||
bottomY = Math.max(bottomY, y);
|
||||
}
|
||||
}
|
||||
|
||||
pages.push({
|
||||
mediaBox: { width: viewport.width, height: viewport.height },
|
||||
inkBounds: bottomY >= 0 ? { bottomY, topY } : null,
|
||||
sentinels,
|
||||
text: content.items.flatMap((item) => ("str" in item ? [item.str] : [])).join(" "),
|
||||
});
|
||||
page.cleanup();
|
||||
}
|
||||
return { pages, pageCount: document.numPages };
|
||||
} finally {
|
||||
await loading.destroy();
|
||||
}
|
||||
}
|
||||
|
||||
function assertPdfSurface(pdf: PdfGeometry, expectedText: string, label: string) {
|
||||
expect(pdf.pageCount, `${label}: page count`).toBeGreaterThan(0);
|
||||
expect(pdf.pages, `${label}: page list`).toHaveLength(pdf.pageCount);
|
||||
expect(
|
||||
pdf.pages.some((page) => page.text.includes(expectedText)),
|
||||
`${label}: fixture text`,
|
||||
).toBe(true);
|
||||
expect(
|
||||
pdf.pages.some((page) => page.sentinels.TOP_SENTINEL),
|
||||
`${label}: TOP_SENTINEL presence`,
|
||||
).toBe(true);
|
||||
expect(
|
||||
pdf.pages.some((page) => page.sentinels.BOTTOM_SENTINEL),
|
||||
`${label}: BOTTOM_SENTINEL presence`,
|
||||
).toBe(true);
|
||||
for (const [index, page] of pdf.pages.entries()) {
|
||||
expect(page.inkBounds, `${label}: page ${index + 1} must contain ink`).not.toBeNull();
|
||||
}
|
||||
}
|
||||
|
||||
async function capturePreviewBytes(page: Page, expectedText: string) {
|
||||
let bytes: Uint8Array | undefined;
|
||||
let geometry: PdfGeometry | undefined;
|
||||
for (let attempt = 0; attempt < 80; attempt += 1) {
|
||||
const captured = await page.evaluate(() => (window as CapturedPdfWindow).resumePdfBytes);
|
||||
if (captured) {
|
||||
const candidate = Uint8Array.from(captured);
|
||||
const candidateGeometry = await inspectPdf(candidate);
|
||||
if (candidateGeometry.pages.some((entry) => entry.text.includes(expectedText))) {
|
||||
bytes = candidate;
|
||||
geometry = candidateGeometry;
|
||||
break;
|
||||
}
|
||||
}
|
||||
await page.waitForTimeout(250);
|
||||
}
|
||||
if (!bytes || !geometry) throw new Error(`Active preview PDF did not settle on ${expectedText}.`);
|
||||
assertPdfSurface(geometry, expectedText, "Active preview PDF");
|
||||
return { bytes, geometry };
|
||||
}
|
||||
|
||||
async function waitForStablePreview(page: Page, expectedZoom: number) {
|
||||
await page.waitForFunction(
|
||||
({ expectedZoom: targetZoom }) => {
|
||||
const wrapper = document.querySelector<HTMLElement>(".react-transform-wrapper");
|
||||
const content = document.querySelector<HTMLElement>(".react-transform-component");
|
||||
const active = document.querySelector<HTMLElement>(
|
||||
'[aria-hidden="false"][data-resume-preview-template="rhyhorn"]',
|
||||
);
|
||||
const canvases = [...(active?.querySelectorAll<HTMLCanvasElement>('canvas[aria-label^="Resume page"]') ?? [])];
|
||||
if (!wrapper || !content || canvases.length === 0) return false;
|
||||
|
||||
const transform = getComputedStyle(content).transform;
|
||||
const matrix = transform === "none" ? new DOMMatrixReadOnly() : new DOMMatrixReadOnly(transform);
|
||||
const signature = JSON.stringify([
|
||||
matrix.a,
|
||||
matrix.b,
|
||||
matrix.c,
|
||||
matrix.d,
|
||||
matrix.e,
|
||||
matrix.f,
|
||||
...canvases.flatMap((canvas) => {
|
||||
const rect = canvas.getBoundingClientRect();
|
||||
return [rect.x, rect.y, rect.width, rect.height, canvas.width, canvas.height, canvas.toDataURL("image/png")];
|
||||
}),
|
||||
]);
|
||||
const stateKey = "__previewGeometryStability";
|
||||
const previous = (window as unknown as Record<string, unknown>)[stateKey] as
|
||||
| { count: number; signature: string }
|
||||
| undefined;
|
||||
const count = previous?.signature === signature ? previous.count + 1 : 1;
|
||||
(window as unknown as Record<string, unknown>)[stateKey] = { count, signature };
|
||||
|
||||
return (
|
||||
Math.abs(matrix.a - targetZoom) < 0.005 &&
|
||||
Math.abs(matrix.d - targetZoom) < 0.005 &&
|
||||
matrix.b === 0 &&
|
||||
matrix.c === 0 &&
|
||||
wrapper.clientWidth > 0 &&
|
||||
wrapper.clientHeight > 0 &&
|
||||
count >= 3
|
||||
);
|
||||
},
|
||||
{ expectedZoom },
|
||||
{ polling: "raf", timeout: 15_000 },
|
||||
);
|
||||
}
|
||||
|
||||
function capturePreviewGeometry(page: Page): Promise<PreviewGeometry> {
|
||||
return page.evaluate(() => {
|
||||
const active = document.querySelector<HTMLElement>('[aria-hidden="false"][data-resume-preview-template="rhyhorn"]');
|
||||
if (!active) throw new Error("Missing active Rhyhorn preview layer.");
|
||||
const viewportElement = document.querySelector<HTMLElement>(".react-transform-wrapper");
|
||||
const transformElement = document.querySelector<HTMLElement>(".react-transform-component");
|
||||
if (!viewportElement || !transformElement || !viewportElement.contains(active)) {
|
||||
throw new Error("Missing preview transform wrapper or clipped active layer.");
|
||||
}
|
||||
const viewportRect = viewportElement.getBoundingClientRect();
|
||||
const transform = getComputedStyle(transformElement).transform;
|
||||
const matrix = transform === "none" ? new DOMMatrixReadOnly() : new DOMMatrixReadOnly(transform);
|
||||
const pages = [...active.querySelectorAll<HTMLCanvasElement>('canvas[aria-label^="Resume page"]')].map((canvas) => {
|
||||
const wrapper = canvas.parentElement;
|
||||
if (!wrapper) throw new Error("Missing preview canvas wrapper.");
|
||||
const canvasRect = canvas.getBoundingClientRect();
|
||||
const wrapperRect = wrapper.getBoundingClientRect();
|
||||
return {
|
||||
canvas: {
|
||||
cssHeight: Number.parseFloat(canvas.style.height),
|
||||
cssWidth: Number.parseFloat(canvas.style.width),
|
||||
height: canvas.height,
|
||||
width: canvas.width,
|
||||
},
|
||||
canvasRect: { height: canvasRect.height, width: canvasRect.width, x: canvasRect.x, y: canvasRect.y },
|
||||
wrapper: {
|
||||
clientHeight: wrapper.clientHeight,
|
||||
clientWidth: wrapper.clientWidth,
|
||||
height: wrapperRect.height,
|
||||
width: wrapperRect.width,
|
||||
x: wrapperRect.x,
|
||||
y: wrapperRect.y,
|
||||
},
|
||||
};
|
||||
});
|
||||
if (pages.length === 0) throw new Error("Missing active preview canvases.");
|
||||
return {
|
||||
devicePixelRatio: window.devicePixelRatio,
|
||||
pages,
|
||||
transform: { matrix: transform, scaleX: matrix.a, scaleY: matrix.d },
|
||||
viewportClip: {
|
||||
clientHeight: viewportElement.clientHeight,
|
||||
clientWidth: viewportElement.clientWidth,
|
||||
height: viewportRect.height,
|
||||
scrollHeight: viewportElement.scrollHeight,
|
||||
scrollWidth: viewportElement.scrollWidth,
|
||||
overflowX: getComputedStyle(viewportElement).overflowX,
|
||||
overflowY: getComputedStyle(viewportElement).overflowY,
|
||||
width: viewportRect.width,
|
||||
x: viewportRect.x,
|
||||
y: viewportRect.y,
|
||||
},
|
||||
viewport: { height: window.innerHeight, width: window.innerWidth },
|
||||
};
|
||||
});
|
||||
}
|
||||
|
||||
function comparePreviewToPdf(page: Page, bytes: Uint8Array) {
|
||||
return page.evaluate(
|
||||
async ({ channelTolerance, serializedBytes }) => {
|
||||
const active = document.querySelector<HTMLElement>(
|
||||
'[aria-hidden="false"][data-resume-preview-template="rhyhorn"]',
|
||||
);
|
||||
const canvases = [...(active?.querySelectorAll<HTMLCanvasElement>('canvas[aria-label^="Resume page"]') ?? [])];
|
||||
if (canvases.length === 0) throw new Error("Missing active preview canvases for pixel comparison.");
|
||||
const moduleUrl = `${location.origin}/__pdf_reference/pdf.mjs`;
|
||||
const pdfjs: typeof import("pdfjs-dist/legacy/build/pdf.mjs") = await import(moduleUrl);
|
||||
pdfjs.GlobalWorkerOptions.workerSrc = `${location.origin}/__pdf_reference/worker.mjs`;
|
||||
const task = pdfjs.getDocument({ data: Uint8Array.from(serializedBytes) });
|
||||
try {
|
||||
const pdfDocument = await task.promise;
|
||||
if (pdfDocument.numPages !== canvases.length) throw new Error("Preview and downloaded PDF page counts differ.");
|
||||
const pages = [];
|
||||
for (const [index, canvas] of canvases.entries()) {
|
||||
const actual = canvas.getContext("2d")?.getImageData(0, 0, canvas.width, canvas.height);
|
||||
if (!actual) throw new Error("Missing active preview pixels.");
|
||||
const pdfPage = await pdfDocument.getPage(index + 1);
|
||||
const baseViewport = pdfPage.getViewport({ scale: 1 });
|
||||
const renderScale = canvas.width / baseViewport.width;
|
||||
if (!Number.isFinite(renderScale) || renderScale <= 0) throw new Error("Missing preview render scale.");
|
||||
const reference = globalThis.document.createElement("canvas");
|
||||
reference.width = canvas.width;
|
||||
reference.height = canvas.height;
|
||||
canvas.parentElement?.append(reference);
|
||||
const context = reference.getContext("2d");
|
||||
if (!context) throw new Error("Missing reference canvas context.");
|
||||
context.direction = "ltr";
|
||||
await pdfPage.render({
|
||||
canvas: reference,
|
||||
canvasContext: context,
|
||||
viewport: baseViewport,
|
||||
transform: [renderScale, 0, 0, renderScale, 0, 0],
|
||||
annotationMode: pdfjs.AnnotationMode.DISABLE,
|
||||
background: "white",
|
||||
}).promise;
|
||||
const expected = context.getImageData(0, 0, reference.width, reference.height);
|
||||
let differentPixels = 0;
|
||||
let maxChannelDelta = 0;
|
||||
for (let offset = 0; offset < actual.data.length; offset += 4) {
|
||||
const redDelta = Math.abs(actual.data[offset] - expected.data[offset]);
|
||||
const greenDelta = Math.abs(actual.data[offset + 1] - expected.data[offset + 1]);
|
||||
const blueDelta = Math.abs(actual.data[offset + 2] - expected.data[offset + 2]);
|
||||
const alphaDelta = Math.abs(actual.data[offset + 3] - expected.data[offset + 3]);
|
||||
const channelDelta = Math.max(redDelta, greenDelta, blueDelta, alphaDelta);
|
||||
maxChannelDelta = Math.max(maxChannelDelta, channelDelta);
|
||||
if (channelDelta > channelTolerance) {
|
||||
differentPixels += 1;
|
||||
}
|
||||
}
|
||||
pages.push({
|
||||
differentPixels,
|
||||
differentPixelRatio: differentPixels / (canvas.width * canvas.height),
|
||||
height: canvas.height,
|
||||
maxChannelDelta,
|
||||
width: canvas.width,
|
||||
});
|
||||
reference.remove();
|
||||
pdfPage.cleanup();
|
||||
}
|
||||
return {
|
||||
pages,
|
||||
};
|
||||
} finally {
|
||||
await task.destroy();
|
||||
}
|
||||
},
|
||||
{ channelTolerance: RASTER_CHANNEL_TOLERANCE, serializedBytes: Array.from(bytes) },
|
||||
);
|
||||
}
|
||||
|
||||
function expectSamePdfGeometry(preview: PdfGeometry, downloaded: PdfGeometry, label: string) {
|
||||
const expectWithinTolerance = (actual: number, expected: number, message: string) => {
|
||||
expect(Math.abs(actual - expected), message).toBeLessThanOrEqual(PDF_COORDINATE_TOLERANCE);
|
||||
};
|
||||
|
||||
expect(downloaded.pageCount, `${label}: page count`).toBe(preview.pageCount);
|
||||
for (const [index, previewPage] of preview.pages.entries()) {
|
||||
const downloadedPage = downloaded.pages[index];
|
||||
expect(downloadedPage, `${label}: page ${index + 1}`).toBeDefined();
|
||||
if (!downloadedPage) continue;
|
||||
expectWithinTolerance(
|
||||
downloadedPage.mediaBox.width,
|
||||
previewPage.mediaBox.width,
|
||||
`${label}: page ${index + 1} width`,
|
||||
);
|
||||
expectWithinTolerance(
|
||||
downloadedPage.mediaBox.height,
|
||||
previewPage.mediaBox.height,
|
||||
`${label}: page ${index + 1} height`,
|
||||
);
|
||||
expect(downloadedPage.inkBounds, `${label}: page ${index + 1} ink`).not.toBeNull();
|
||||
expect(previewPage.inkBounds, `${label}: preview page ${index + 1} ink`).not.toBeNull();
|
||||
for (const sentinel of ["TOP_SENTINEL", "BOTTOM_SENTINEL"]) {
|
||||
const expected = previewPage.sentinels[sentinel];
|
||||
const actual = downloadedPage.sentinels[sentinel];
|
||||
expect(Boolean(actual), `${label}: page ${index + 1} ${sentinel} presence`).toBe(Boolean(expected));
|
||||
if (!expected || !actual) continue;
|
||||
expectWithinTolerance(actual.bottomY, expected.bottomY, `${label}: page ${index + 1} ${sentinel} bottom`);
|
||||
expectWithinTolerance(actual.topY, expected.topY, `${label}: page ${index + 1} ${sentinel} top`);
|
||||
}
|
||||
if (previewPage.inkBounds && downloadedPage.inkBounds) {
|
||||
expectWithinTolerance(
|
||||
downloadedPage.inkBounds.bottomY,
|
||||
previewPage.inkBounds.bottomY,
|
||||
`${label}: page ${index + 1} ink bottom`,
|
||||
);
|
||||
expectWithinTolerance(
|
||||
downloadedPage.inkBounds.topY,
|
||||
previewPage.inkBounds.topY,
|
||||
`${label}: page ${index + 1} ink top`,
|
||||
);
|
||||
}
|
||||
}
|
||||
}
|
||||
|
||||
async function setZoom(page: Page, zoom: 75 | 100 | 115) {
|
||||
const zoomLevel = page.getByRole("button", { name: "Zoom level", exact: true });
|
||||
if (zoom === 75) {
|
||||
await expect(zoomLevel).toHaveText("75%");
|
||||
return;
|
||||
}
|
||||
if (zoom === 100) {
|
||||
await zoomLevel.click();
|
||||
await page.getByRole("menuitem", { name: "Actual size (100%)", exact: true }).click();
|
||||
await expect(zoomLevel).toHaveText("100%");
|
||||
return;
|
||||
}
|
||||
await setZoom(page, 100);
|
||||
await page.getByRole("button", { name: "Zoom in", exact: true }).click();
|
||||
await expect(zoomLevel).toHaveText("115%");
|
||||
}
|
||||
|
||||
async function runGeometryMatrix(page: Page, testInfo: TestInfo, scenarios: GeometryScenario[], expectedDpr: number) {
|
||||
dedicatedDatabaseUrl();
|
||||
await page.setViewportSize({ width: 1920, height: 1000 });
|
||||
await installPreviewCapture(page);
|
||||
const resumeName = await createSampleResumeFromDashboard(page, testInfo);
|
||||
const expectedExportFilename = generateFilename(resumeName, "pdf");
|
||||
const resumeId = new URL(page.url()).pathname.match(/^\/builder\/([^/]+)/)?.[1];
|
||||
if (!resumeId) throw new Error("Missing synthetic geometry resume id.");
|
||||
|
||||
for (const scenario of scenarios) {
|
||||
const data = createFixture(scenario);
|
||||
const persistedFixture = await updateFixture(resumeId, data);
|
||||
const sourcePath = testInfo.outputPath(`${scenarioName(scenario)}.source.json`);
|
||||
await writeFile(sourcePath, JSON.stringify(data, null, 2));
|
||||
await page.goto(`/builder/${resumeId}`);
|
||||
await expect(page.locator('section[aria-label="Resume content"]')).toContainText(scenarioName(scenario));
|
||||
const { bytes: previewBytes, geometry: previewPdf } = await capturePreviewBytes(page, scenarioName(scenario));
|
||||
const loadedFixture = await readPersistedFixture(resumeId);
|
||||
expect(loadedFixture.data, `${scenarioName(scenario)} full source JSON`).toEqual(data);
|
||||
expect(loadedFixture.revision, `${scenarioName(scenario)} source revision`).toBe(persistedFixture.revision);
|
||||
await writeFile(testInfo.outputPath(`${scenarioName(scenario)}.preview.pdf`), previewBytes);
|
||||
const zoomReports: Array<{ previewGeometry: PreviewGeometry; downloadedPdf: PdfGeometry; zoom: number }> = [];
|
||||
|
||||
for (const zoom of [75, 100, 115] as const) {
|
||||
await setZoom(page, zoom);
|
||||
await waitForStablePreview(page, zoom / 100);
|
||||
const previewGeometry = await capturePreviewGeometry(page);
|
||||
expect(previewGeometry.devicePixelRatio).toBe(expectedDpr);
|
||||
expect(previewGeometry.viewport).toEqual({ height: 1000, width: 1920 });
|
||||
expect(previewGeometry.viewportClip.clientWidth).toBe(1920);
|
||||
expect(previewGeometry.viewportClip.clientHeight).toBe(1000);
|
||||
expect(previewGeometry.viewportClip.overflowX).toBe("hidden");
|
||||
expect(previewGeometry.viewportClip.overflowY).toBe("hidden");
|
||||
expect(previewGeometry.viewportClip.scrollWidth).toBeGreaterThanOrEqual(1920);
|
||||
expect(previewGeometry.viewportClip.scrollHeight).toBeGreaterThanOrEqual(1000);
|
||||
expect(Math.abs(previewGeometry.transform.scaleX - zoom / 100)).toBeLessThanOrEqual(TRANSFORM_SCALE_TOLERANCE);
|
||||
expect(Math.abs(previewGeometry.transform.scaleY - zoom / 100)).toBeLessThanOrEqual(TRANSFORM_SCALE_TOLERANCE);
|
||||
expect(previewGeometry.transform.matrix).toMatch(/^matrix/);
|
||||
const currentFixture = await readPersistedFixture(resumeId);
|
||||
expect(currentFixture.data, `${scenarioName(scenario)} zoom ${zoom} persisted source JSON`).toEqual(data);
|
||||
expect(currentFixture.revision, `${scenarioName(scenario)} zoom ${zoom} persisted source revision`).toBe(
|
||||
persistedFixture.revision,
|
||||
);
|
||||
const pending = page.waitForEvent("download");
|
||||
await openSidebarSection(page, "Export");
|
||||
await page.getByRole("button", { name: "Choose PDF, DOCX, Markdown, or JSON" }).click();
|
||||
await expect(page.getByRole("tab", { name: "Resume", exact: true })).toHaveAttribute("aria-selected", "true");
|
||||
await page.getByRole("button", { name: "Download PDF", exact: true }).click();
|
||||
const download = await pending;
|
||||
expect(download.suggestedFilename(), `${scenarioName(scenario)} zoom ${zoom} export target`).toBe(
|
||||
expectedExportFilename,
|
||||
);
|
||||
const downloadPath = testInfo.outputPath(`${scenarioName(scenario)}.zoom-${zoom}.pdf`);
|
||||
await download.saveAs(downloadPath);
|
||||
const downloadBytes = new Uint8Array(await readFile(downloadPath));
|
||||
const downloadedPdf = await inspectPdf(downloadBytes);
|
||||
assertPdfSurface(downloadedPdf, scenarioName(scenario), `${scenarioName(scenario)} downloaded PDF`);
|
||||
expectSamePdfGeometry(previewPdf, downloadedPdf, `${scenarioName(scenario)} zoom ${zoom}`);
|
||||
const sourcePixelDiff = await comparePreviewToPdf(page, previewBytes);
|
||||
const pixelDiff = await comparePreviewToPdf(page, downloadBytes);
|
||||
await writeFile(
|
||||
testInfo.outputPath(`${scenarioName(scenario)}.zoom-${zoom}.pixel-diff.json`),
|
||||
JSON.stringify({ downloaded: pixelDiff.pages, preview: sourcePixelDiff.pages }, null, 2),
|
||||
);
|
||||
for (const [index, pageGeometry] of previewGeometry.pages.entries()) {
|
||||
const pdfPage = previewPdf.pages[index];
|
||||
expect(pdfPage).toBeDefined();
|
||||
if (!pdfPage) continue;
|
||||
const renderScale = pageGeometry.canvas.width / pageGeometry.canvas.cssWidth;
|
||||
expect(Math.abs(pageGeometry.canvas.cssWidth - pdfPage.mediaBox.width)).toBeLessThanOrEqual(
|
||||
PDF_COORDINATE_TOLERANCE,
|
||||
);
|
||||
expect(Math.abs(pageGeometry.canvas.cssHeight - pdfPage.mediaBox.height)).toBeLessThanOrEqual(
|
||||
PDF_COORDINATE_TOLERANCE,
|
||||
);
|
||||
expect(renderScale, `${scenarioName(scenario)} measured render scale`).toBeGreaterThan(0);
|
||||
expect(Math.abs(pageGeometry.canvas.width - pageGeometry.canvas.cssWidth * renderScale)).toBeLessThanOrEqual(
|
||||
DOM_LAYOUT_TOLERANCE,
|
||||
);
|
||||
expect(Math.abs(pageGeometry.canvas.height - pageGeometry.canvas.cssHeight * renderScale)).toBeLessThanOrEqual(
|
||||
DOM_LAYOUT_TOLERANCE,
|
||||
);
|
||||
expect(
|
||||
Math.abs(pageGeometry.canvasRect.width - pdfPage.mediaBox.width * previewGeometry.transform.scaleX),
|
||||
).toBeLessThanOrEqual(DOM_LAYOUT_TOLERANCE);
|
||||
expect(
|
||||
Math.abs(pageGeometry.canvasRect.height - pdfPage.mediaBox.height * previewGeometry.transform.scaleY),
|
||||
).toBeLessThanOrEqual(DOM_LAYOUT_TOLERANCE);
|
||||
expect(
|
||||
Math.abs(pageGeometry.canvasRect.width / pageGeometry.canvas.cssWidth - previewGeometry.transform.scaleX),
|
||||
).toBeLessThanOrEqual(TRANSFORM_SCALE_TOLERANCE);
|
||||
expect(pageGeometry.wrapper.width, `${scenarioName(scenario)} wrapper width`).toBeGreaterThan(0);
|
||||
expect(pageGeometry.wrapper.height, `${scenarioName(scenario)} wrapper height`).toBeGreaterThan(0);
|
||||
expect(pageGeometry.canvas.width, `${scenarioName(scenario)} canvas bitmap width`).toBeGreaterThan(0);
|
||||
expect(pageGeometry.canvas.height, `${scenarioName(scenario)} canvas bitmap height`).toBeGreaterThan(0);
|
||||
}
|
||||
for (const [label, diff] of [
|
||||
["active preview vs captured source", sourcePixelDiff.pages],
|
||||
["active preview vs download", pixelDiff.pages],
|
||||
] as const) {
|
||||
expect(diff, `${scenarioName(scenario)} zoom ${zoom} ${label} page count`).toHaveLength(
|
||||
previewGeometry.pages.length,
|
||||
);
|
||||
for (const [index, page] of diff.entries()) {
|
||||
const maxPixels = Math.min(
|
||||
RASTER_MISMATCH_PIXEL_LIMIT,
|
||||
Math.ceil(
|
||||
previewGeometry.pages[index].canvas.width *
|
||||
previewGeometry.pages[index].canvas.height *
|
||||
RASTER_MISMATCH_RATIO_LIMIT,
|
||||
),
|
||||
);
|
||||
expect(
|
||||
page.differentPixels,
|
||||
`${scenarioName(scenario)} zoom ${zoom} ${label} page ${index + 1}`,
|
||||
).toBeLessThanOrEqual(maxPixels);
|
||||
expect(page.differentPixelRatio, `${scenarioName(scenario)} zoom ${zoom} ${label} ratio`).toBeLessThanOrEqual(
|
||||
RASTER_MISMATCH_RATIO_LIMIT,
|
||||
);
|
||||
}
|
||||
}
|
||||
zoomReports.push({ downloadedPdf, previewGeometry, zoom });
|
||||
await page.keyboard.press("Escape");
|
||||
}
|
||||
|
||||
const report = {
|
||||
devicePixelRatio: await page.evaluate(() => window.devicePixelRatio),
|
||||
format: scenario.format,
|
||||
marginY: scenario.marginY,
|
||||
overflow: scenario.overflow,
|
||||
previewPdf,
|
||||
zoomReports,
|
||||
};
|
||||
await writeFile(testInfo.outputPath(`${scenarioName(scenario)}.metrics.json`), JSON.stringify(report, null, 2));
|
||||
}
|
||||
}
|
||||
|
||||
test.describe("preview/export geometry at DPR1", () => {
|
||||
test.use({ deviceScaleFactor: 1 });
|
||||
|
||||
test("matches active preview and downloaded PDF across synthetic Rhyhorn matrix", async ({ authPage }, testInfo) => {
|
||||
test.setTimeout(600_000);
|
||||
await runGeometryMatrix(authPage, testInfo, SCENARIOS, 1);
|
||||
});
|
||||
});
|
||||
|
||||
test.describe("preview/export geometry at DPR2", () => {
|
||||
test.use({ deviceScaleFactor: 2 });
|
||||
|
||||
test("matches active preview and downloaded PDF at higher device pixel ratio", async ({ authPage }, testInfo) => {
|
||||
test.setTimeout(180_000);
|
||||
await runGeometryMatrix(
|
||||
authPage,
|
||||
testInfo,
|
||||
[{ format: "a4", marginY: defaultResumeData.metadata.page.marginY, overflow: true }],
|
||||
2,
|
||||
);
|
||||
});
|
||||
});
|
||||
Reference in New Issue
Block a user