alexion
6081e3e325
Imported as a linear vendor commit so forge rebases do not replay the upstream root tree. git-subtree-dir: third_party/pi git-subtree-split: 71023aec1546d6d677a65669c5665c0927ce0dd0
67 lines
2.5 KiB
TypeScript
67 lines
2.5 KiB
TypeScript
/**
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* Test for BMP to PNG conversion in clipboard image handling.
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* Separate from clipboard-image.test.ts due to different mocking requirements.
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*
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* This tests the fix for WSL2/WSLg where clipboard often provides image/bmp
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* instead of image/png.
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*/
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import { describe, expect, test, vi } from "vitest";
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import { readClipboardImage } from "../src/utils/clipboard-image.ts";
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function createTinyBmp1x1Red24bpp(): Uint8Array {
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// Minimal 1x1 24bpp BMP (BGR + row padding to 4 bytes)
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// File size = 14 (BMP header) + 40 (DIB header) + 4 (pixel row) = 58
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const buffer = Buffer.alloc(58);
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// BITMAPFILEHEADER
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buffer.write("BM", 0, "ascii");
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buffer.writeUInt32LE(buffer.length, 2); // file size
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buffer.writeUInt16LE(0, 6); // reserved1
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buffer.writeUInt16LE(0, 8); // reserved2
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buffer.writeUInt32LE(54, 10); // pixel data offset
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// BITMAPINFOHEADER
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buffer.writeUInt32LE(40, 14); // DIB header size
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buffer.writeInt32LE(1, 18); // width
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buffer.writeInt32LE(1, 22); // height (positive = bottom-up)
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buffer.writeUInt16LE(1, 26); // planes
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buffer.writeUInt16LE(24, 28); // bits per pixel
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buffer.writeUInt32LE(0, 30); // compression (BI_RGB)
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buffer.writeUInt32LE(4, 34); // image size (incl. padding)
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buffer.writeInt32LE(0, 38); // x pixels per meter
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buffer.writeInt32LE(0, 42); // y pixels per meter
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buffer.writeUInt32LE(0, 46); // colors used
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buffer.writeUInt32LE(0, 50); // important colors
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// Pixel data (B, G, R) + 1 byte padding
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buffer[54] = 0x00; // B
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buffer[55] = 0x00; // G
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buffer[56] = 0xff; // R
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buffer[57] = 0x00; // padding
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return new Uint8Array(buffer);
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}
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// Mock wl-paste to return BMP
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vi.mock("../src/utils/clipboard-command.ts", () => ({
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runClipboardCommand: vi.fn(async (command: string, args: string[]) => {
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if (command === "wl-paste" && args.includes("--list-types")) return Buffer.from("image/bmp\n");
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if (command === "wl-paste" && args.includes("image/bmp")) return Buffer.from(createTinyBmp1x1Red24bpp());
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return undefined;
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}),
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}));
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vi.mock("@earendil-works/pi-tui", () => ({
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getNativeClipboard: () => ({ getImage: async () => createTinyBmp1x1Red24bpp() }),
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}));
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describe("readClipboardImage BMP conversion", () => {
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test.each(["linux", "win32"] as const)("%s: converts command/native BMP to PNG", async (platform) => {
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const image = await readClipboardImage({ env: { WAYLAND_DISPLAY: "wayland-0" }, platform });
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expect(image).not.toBeNull();
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expect(image!.mimeType).toBe("image/png");
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expect(Array.from(image!.bytes.slice(0, 4))).toEqual([0x89, 0x50, 0x4e, 0x47]);
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});
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});
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