46 lines
1.8 KiB
TypeScript
46 lines
1.8 KiB
TypeScript
import { beforeEach, describe, expect, it, vi } from 'vitest';
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const hostApi = vi.hoisted(() => ({
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fetch: vi.fn(),
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fetchBytes: vi.fn(),
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}));
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vi.mock('@/lib/host-api', () => ({
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hostApiFetch: hostApi.fetch,
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hostApiFetchBytes: hostApi.fetchBytes,
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}));
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describe('coding attachment Host facade', () => {
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beforeEach(() => vi.clearAllMocks());
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it('uploads raw image bytes only when invoked and returns the attachment reference', async () => {
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const attachment = { attachmentId: 'attachment-1', mime: 'image/png', byteLength: 4 };
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hostApi.fetch.mockResolvedValueOnce(attachment);
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const { uploadCodingAttachment } = await import('@/lib/coding-attachments');
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const file = new File([new Uint8Array([1, 2, 3, 4])], 'pixel.png', { type: 'image/png' });
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await expect(uploadCodingAttachment(file)).resolves.toEqual(attachment);
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expect(hostApi.fetch).toHaveBeenCalledOnce();
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const [path, init] = hostApi.fetch.mock.calls[0] as [string, RequestInit];
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expect(path).toBe('/api/coding/attachments');
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expect(init).toMatchObject({ method: 'POST', headers: { 'Content-Type': 'image/png' } });
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expect(Array.from(new Uint8Array(init.body as ArrayBuffer))).toEqual([1, 2, 3, 4]);
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});
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it('loads an authenticated binary preview without constructing a data URL', async () => {
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hostApi.fetchBytes.mockResolvedValueOnce({
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bytes: new Uint8Array([5, 6, 7]),
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contentType: 'image/webp',
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});
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const { loadCodingAttachmentPreview } = await import('@/lib/coding-attachments');
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await expect(loadCodingAttachmentPreview('attachment/a')).resolves.toEqual({
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bytes: new Uint8Array([5, 6, 7]),
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mime: 'image/webp',
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});
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expect(hostApi.fetchBytes).toHaveBeenCalledWith(
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'/api/coding/attachments/attachment%2Fa/content',
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);
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});
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});
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