36 lines
1.1 KiB
TypeScript
36 lines
1.1 KiB
TypeScript
import sharp from "sharp";
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import { describe, expect, it } from "vitest";
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import { sanitizeContentBlocksImages } from "./tool-images.js";
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describe("tool image sanitizing", () => {
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it("shrinks oversized images to <=5MB", async () => {
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const width = 2800;
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const height = 2800;
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const raw = Buffer.alloc(width * height * 3, 0xff);
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const bigPng = await sharp(raw, {
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raw: { width, height, channels: 3 },
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})
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.png({ compressionLevel: 0 })
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.toBuffer();
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expect(bigPng.byteLength).toBeGreaterThan(5 * 1024 * 1024);
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const blocks = [
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{
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type: "image" as const,
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data: bigPng.toString("base64"),
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mimeType: "image/png",
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},
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];
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const out = await sanitizeContentBlocksImages(blocks, "test");
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const image = out.find((b) => b.type === "image");
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if (!image || image.type !== "image") {
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throw new Error("expected image block");
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}
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const size = Buffer.from(image.data, "base64").byteLength;
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expect(size).toBeLessThanOrEqual(5 * 1024 * 1024);
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expect(image.mimeType).toBe("image/jpeg");
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}, 20_000);
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});
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