39 lines
1.6 KiB
JavaScript
39 lines
1.6 KiB
JavaScript
const assert = require('node:assert/strict');
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const test = require('node:test');
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test('model response progress forwards each downloaded chunk and preserves the response', async () => {
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const {trackDownloadProgress} = await import('../piper-download-progress.mjs');
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const source = new ReadableStream({
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start(controller) {
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controller.enqueue(new Uint8Array([1, 2]));
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controller.enqueue(new Uint8Array([3, 4, 5]));
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controller.close();
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},
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});
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const response = new Response(source, {headers: {'content-length': '5'}});
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const messages = [];
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const tracked = trackDownloadProgress(response, {id: 7, postMessage: message => messages.push(message)});
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assert.deepEqual([...new Uint8Array(await tracked.arrayBuffer())], [1, 2, 3, 4, 5]);
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assert.deepEqual(messages.map(message => message.progress), [
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{asset: 'model', loaded: 2, total: 5},
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{asset: 'model', loaded: 5, total: 5},
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]);
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assert.ok(messages.every(message => message.id === 7 && message.type === 'progress'));
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});
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test('model response progress works when content length is absent', async () => {
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const {trackDownloadProgress} = await import('../piper-download-progress.mjs');
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const source = new Response(new Uint8Array([1, 2, 3]));
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const messages = [];
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const tracked = trackDownloadProgress(source, {
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id: 9,
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asset: 'runtime',
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file: 'runtime.wasm',
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postMessage: message => messages.push(message),
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});
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assert.equal((await tracked.arrayBuffer()).byteLength, 3);
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assert.deepEqual(messages.map(message => message.progress), [{asset: 'runtime', file: 'runtime.wasm', loaded: 3, total: 0}]);
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});
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