wehub-resource-sync
070959e133
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95 lines
2.9 KiB
TypeScript
95 lines
2.9 KiB
TypeScript
// @vitest-environment jsdom
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import { describe, expect, it } from 'vitest';
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import { deriveUploadCohort } from '../../src/analytics/upload-tracking';
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// `deriveUploadCohort` only reads `name`, `type`, `size` — keep the
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// fixture lightweight so 100 MB boundary cases don't allocate real bytes.
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function makeFile(name: string, type: string, size: number): File {
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return { name, type, size } as unknown as File;
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}
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describe('deriveUploadCohort', () => {
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it('classifies a homogeneous image batch as image', () => {
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const cohort = deriveUploadCohort([
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makeFile('a.png', 'image/png', 1024),
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makeFile('b.jpg', 'image/jpeg', 2048),
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]);
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expect(cohort).toEqual({
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file_count: 2,
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file_type: 'image',
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file_size_bucket: '0_1mb',
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});
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});
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it('detects zip by MIME', () => {
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const cohort = deriveUploadCohort([
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makeFile('bundle.zip', 'application/zip', 500),
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]);
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expect(cohort.file_type).toBe('zip');
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});
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it('detects zip by .zip extension when MIME is missing', () => {
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const cohort = deriveUploadCohort([
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makeFile('bundle.ZIP', '', 500),
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makeFile('also.zip', 'application/octet-stream', 500),
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]);
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expect(cohort.file_type).toBe('zip');
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});
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it('collapses mixed-type batches to other', () => {
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const cohort = deriveUploadCohort([
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makeFile('a.png', 'image/png', 100),
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makeFile('b.pdf', 'application/pdf', 100),
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]);
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expect(cohort.file_type).toBe('other');
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});
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it('returns other for an empty batch', () => {
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expect(deriveUploadCohort([])).toEqual({
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file_count: 0,
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file_type: 'other',
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file_size_bucket: '0_1mb',
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});
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});
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it('buckets total bytes across the 1/10/100 MB thresholds', () => {
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const MB = 1024 * 1024;
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const cases: Array<{ total: number; bucket: string }> = [
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{ total: MB - 1, bucket: '0_1mb' },
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{ total: MB, bucket: '1_10mb' },
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{ total: 10 * MB - 1, bucket: '1_10mb' },
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{ total: 10 * MB, bucket: '10_100mb' },
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{ total: 100 * MB - 1, bucket: '10_100mb' },
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{ total: 100 * MB, bucket: '100mb_plus' },
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];
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for (const { total, bucket } of cases) {
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const cohort = deriveUploadCohort([
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makeFile('blob.bin', 'application/octet-stream', total),
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]);
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expect(cohort.file_size_bucket, `total=${total}`).toBe(bucket);
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}
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});
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it('sums sizes across multiple files for the bucket', () => {
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const MB = 1024 * 1024;
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const cohort = deriveUploadCohort([
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makeFile('a.png', 'image/png', 0.6 * MB),
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makeFile('b.png', 'image/png', 0.6 * MB),
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]);
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expect(cohort.file_size_bucket).toBe('1_10mb');
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});
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it('treats missing size/type defensively', () => {
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const cohort = deriveUploadCohort([
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{ name: 'x', type: '', size: 0 } as unknown as File,
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]);
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expect(cohort).toEqual({
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file_count: 1,
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file_type: 'other',
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file_size_bucket: '0_1mb',
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});
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});
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});
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