59 lines
1.9 KiB
TypeScript
59 lines
1.9 KiB
TypeScript
import JSZip from 'jszip';
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import { describe, expect, it } from 'vitest';
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import { buildPptxBlob } from '@/lib/export/use-export-pptx';
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import { applySlideEditOperation } from '@/lib/edit/slide-ops';
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import { createDefaultImageElement } from '@/lib/edit/slide-edit-elements';
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import type { Scene, SlideContent } from '@/lib/types/stage';
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import {
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makeSlideFixture,
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RATIO_PX2_INCH,
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RATIO_PX2_PT,
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VIEWPORT_RATIO,
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VIEWPORT_SIZE,
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} from './fixtures';
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/**
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* 1×1 transparent PNG as a data URL — the canonical output of a local-file
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* upload when OpenMAIC has no upload backend.
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*/
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const DATA_URL =
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'data:image/png;base64,iVBORw0KGgoAAAANSUhEUgAAAAEAAAABCAQAAAC1HAwCAAAAC0lEQVR42mNkYAAAAAYAAjCB0C8AAAAASUVORK5CYII=';
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async function exportSlideContent(content: SlideContent, scene: Scene): Promise<Blob> {
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return buildPptxBlob(
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[content.canvas],
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[scene],
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VIEWPORT_RATIO,
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VIEWPORT_SIZE,
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RATIO_PX2_INCH,
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RATIO_PX2_PT,
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);
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}
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async function readPptxEntry(blob: Blob, path: string): Promise<string> {
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const zip = await JSZip.loadAsync(await blob.arrayBuffer());
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const entry = zip.file(path);
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if (!entry) throw new Error(`PPTX did not contain entry: ${path}`);
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return entry.async('string');
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}
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describe('round-trip: image with data URL src (PR2 R1 gate)', () => {
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it('exports a data-URL image element to a non-empty PPTX without network fetch', async () => {
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const { scene, content } = makeSlideFixture();
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const after = applySlideEditOperation(content, {
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type: 'element.add',
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element: createDefaultImageElement('img-dataurl-1', DATA_URL),
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});
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const blob = await exportSlideContent(after, scene);
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// Basic size guard — a valid PPTX is always several KB at minimum.
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expect(blob.size).toBeGreaterThan(0);
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// The slide XML entry must be present and non-empty.
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const slideXml = await readPptxEntry(blob, 'ppt/slides/slide1.xml');
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expect(slideXml.length).toBeGreaterThan(0);
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});
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});
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