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gitea/web_src/js/utils/image.test.js
Tyrone Yeh 9bc5552c11
Improve attachment upload methods (#30513)
* Use dropzone to handle file uploading for all cases, including pasting
and dragging
* Merge duplicate code, use consistent behavior for link generating

Close #20130

---------

Co-authored-by: silverwind <me@silverwind.io>
Co-authored-by: wxiaoguang <wxiaoguang@gmail.com>
2024-06-27 09:31:49 +00:00

30 lines
1.6 KiB
JavaScript

import {pngChunks, imageInfo} from './image.js';
const pngNoPhys = 'data:image/png;base64,iVBORw0KGgoAAAANSUhEUgAAAAEAAAABCAAAAAA6fptVAAAADUlEQVQIHQECAP3/AAAAAgABzePRKwAAAABJRU5ErkJggg==';
const pngPhys = 'data:image/png;base64,iVBORw0KGgoAAAANSUhEUgAAAAIAAAACCAIAAAD91JpzAAAACXBIWXMAABYlAAAWJQFJUiTwAAAAEElEQVQI12OQNZcAIgYIBQAL8gGxdzzM0A==';
const pngEmpty = 'data:image/png;base64,';
async function dataUriToBlob(datauri) {
return await (await globalThis.fetch(datauri)).blob();
}
test('pngChunks', async () => {
expect(await pngChunks(await dataUriToBlob(pngNoPhys))).toEqual([
{name: 'IHDR', data: new Uint8Array([0, 0, 0, 1, 0, 0, 0, 1, 8, 0, 0, 0, 0])},
{name: 'IDAT', data: new Uint8Array([8, 29, 1, 2, 0, 253, 255, 0, 0, 0, 2, 0, 1])},
{name: 'IEND', data: new Uint8Array([])},
]);
expect(await pngChunks(await dataUriToBlob(pngPhys))).toEqual([
{name: 'IHDR', data: new Uint8Array([0, 0, 0, 2, 0, 0, 0, 2, 8, 2, 0, 0, 0])},
{name: 'pHYs', data: new Uint8Array([0, 0, 22, 37, 0, 0, 22, 37, 1])},
{name: 'IDAT', data: new Uint8Array([8, 215, 99, 144, 53, 151, 0, 34, 6, 8, 5, 0, 11, 242, 1, 177])},
]);
expect(await pngChunks(await dataUriToBlob(pngEmpty))).toEqual([]);
});
test('imageInfo', async () => {
expect(await imageInfo(await dataUriToBlob(pngNoPhys))).toEqual({width: 1, dppx: 1});
expect(await imageInfo(await dataUriToBlob(pngPhys))).toEqual({width: 2, dppx: 2});
expect(await imageInfo(await dataUriToBlob(pngEmpty))).toEqual({width: 0, dppx: 1});
expect(await imageInfo(await dataUriToBlob(`data:image/gif;base64,`))).toEqual({});
});