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a1b1d3f073
* backport `maxContentLength` check for `data:` protocol urls * backport test for `estimateDataURLDecodedBytes` * use CommonJS export * use `var` instead of `const` * replace `let` with `var` * use standard function instead of arrow function
31 lines
1.1 KiB
JavaScript
31 lines
1.1 KiB
JavaScript
var assert = require('assert');
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var estimateDataURLDecodedBytes = require('../../../lib/helpers/estimateDataURLDecodedBytes');
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describe('estimateDataURLDecodedBytes', () => {
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it('should return 0 for non-data URLs', () => {
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assert.strictEqual(estimateDataURLDecodedBytes('http://example.com'), 0);
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});
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it('should calculate length for simple non-base64 data URL', () => {
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const url = 'data:,Hello';
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assert.strictEqual(estimateDataURLDecodedBytes(url), Buffer.byteLength('Hello', 'utf8'));
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});
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it('should calculate decoded length for base64 data URL', () => {
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const str = 'Hello';
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const b64 = Buffer.from(str, 'utf8').toString('base64');
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const url = `data:text/plain;base64,${b64}`;
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assert.strictEqual(estimateDataURLDecodedBytes(url), str.length);
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});
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it('should handle base64 with = padding', () => {
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const url = 'data:text/plain;base64,TQ=='; // "M"
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assert.strictEqual(estimateDataURLDecodedBytes(url), 1);
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});
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it('should handle base64 with %3D padding', () => {
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const url = 'data:text/plain;base64,TQ%3D%3D'; // "M"
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assert.strictEqual(estimateDataURLDecodedBytes(url), 1);
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});
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});
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