mirror of https://github.com/nodejs/node.git
41 lines
1.3 KiB
JavaScript
41 lines
1.3 KiB
JavaScript
'use strict';
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// Test unzipping a gzip file that contains multiple concatenated "members"
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const common = require('../common');
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const assert = require('assert');
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const zlib = require('zlib');
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const path = require('path');
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const fs = require('fs');
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const data = Buffer.concat([
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zlib.gzipSync('abc'),
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zlib.gzipSync('def')
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]);
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assert.equal(zlib.gunzipSync(data).toString(), 'abcdef');
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zlib.gunzip(data, common.mustCall((err, result) => {
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assert.ifError(err);
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assert.equal(result, 'abcdef', 'result should match original string');
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}));
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// files that have the "right" magic bytes for starting a new gzip member
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// in the middle of themselves, even if they are part of a single
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// regularly compressed member
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const pmmFileZlib = path.join(common.fixturesDir, 'pseudo-multimember-gzip.z');
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const pmmFileGz = path.join(common.fixturesDir, 'pseudo-multimember-gzip.gz');
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const pmmExpected = zlib.inflateSync(fs.readFileSync(pmmFileZlib));
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const pmmResultBuffers = [];
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fs.createReadStream(pmmFileGz)
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.pipe(zlib.createGunzip())
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.on('error', (err) => {
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assert.ifError(err);
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})
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.on('data', (data) => pmmResultBuffers.push(data))
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.on('finish', common.mustCall(() => {
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assert.deepStrictEqual(Buffer.concat(pmmResultBuffers), pmmExpected,
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'result should match original random garbage');
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}));
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