40 lines
1.5 KiB
TypeScript
40 lines
1.5 KiB
TypeScript
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import { describe, expect, it } from 'bun:test';
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import { contentRange, parseRangeHeader, unsatisfiedContentRange } from '../src/utils/s3/range';
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describe('S3 HTTP range parser', () => {
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it('returns none when Range is missing', () => {
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expect(parseRangeHeader(null, 10)).toEqual({ type: 'none' });
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});
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it('parses explicit start/end ranges', () => {
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expect(parseRangeHeader('bytes=2-5', 10)).toEqual({ type: 'valid', start: 2, end: 5 });
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});
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it('clamps open-ended ranges to object size', () => {
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expect(parseRangeHeader('bytes=7-', 10)).toEqual({ type: 'valid', start: 7, end: 9 });
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});
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it('parses suffix ranges', () => {
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expect(parseRangeHeader('bytes=-4', 10)).toEqual({ type: 'valid', start: 6, end: 9 });
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});
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it('clamps oversized suffix ranges to the whole object', () => {
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expect(parseRangeHeader('bytes=-50', 10)).toEqual({ type: 'valid', start: 0, end: 9 });
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});
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it('rejects multiple ranges', () => {
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expect(parseRangeHeader('bytes=0-1,3-4', 10)).toEqual({ type: 'invalid' });
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});
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it('rejects unsatisfiable ranges', () => {
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expect(parseRangeHeader('bytes=10-12', 10)).toEqual({ type: 'invalid' });
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expect(parseRangeHeader('bytes=6-3', 10)).toEqual({ type: 'invalid' });
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expect(parseRangeHeader('bytes=-0', 10)).toEqual({ type: 'invalid' });
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});
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it('formats content-range headers', () => {
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expect(contentRange(2, 5, 10)).toBe('bytes 2-5/10');
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expect(unsatisfiedContentRange(10)).toBe('bytes */10');
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});
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});
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