denoland-deno/cli/tests/node_compat/test/parallel/test-zlib-convenience-methods.js

// deno-fmt-ignore-file
// deno-lint-ignore-file

// Copyright Joyent and Node contributors. All rights reserved. MIT license.
// Taken from Node 16.13.0
// This file is automatically generated by "node/_tools/setup.ts". Do not modify this file manually

// Copyright Joyent, Inc. and other Node contributors.
//
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// copy of this software and associated documentation files (the
// "Software"), to deal in the Software without restriction, including
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// persons to whom the Software is furnished to do so, subject to the
// following conditions:
//
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// DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR
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// USE OR OTHER DEALINGS IN THE SOFTWARE.

'use strict';
// Test convenience methods with and without options supplied

const common = require('../common');
const assert = require('assert');
const zlib = require('zlib');

// Must be a multiple of 4 characters in total to test all ArrayBufferView
// types.
const expectStr = 'blah'.repeat(8);
const expectBuf = Buffer.from(expectStr);

const opts = {
  level: 9,
  chunkSize: 1024,
};

const optsInfo = {
  info: true
};

for (const [type, expect] of [
  ['string', expectStr],
  ['Buffer', expectBuf],
  // FIXME(bartlomieju):
  // ...common.getBufferSources(expectBuf).map((obj) =>
  //   [obj[Symbol.toStringTag], obj]
  // ),
]) {
  for (const method of [
    ['gzip', 'gunzip', 'Gzip', 'Gunzip'],
    ['gzip', 'unzip', 'Gzip', 'Unzip'],
    ['deflate', 'inflate', 'Deflate', 'Inflate'],
    ['deflateRaw', 'inflateRaw', 'DeflateRaw', 'InflateRaw'],
    // FIXME(bartlomieju):
    // ['brotliCompress', 'brotliDecompress',
    //  'BrotliCompress', 'BrotliDecompress'],
  ]) {
    zlib[method[0]](expect, opts, common.mustCall((err, result) => {
      zlib[method[1]](result, opts, common.mustCall((err, result) => {
        assert.strictEqual(result.toString(), expectStr,
                           `Should get original string after ${method[0]}/` +
                           `${method[1]} ${type} with options.`);
      }));
    }));

    zlib[method[0]](expect, common.mustCall((err, result) => {
      zlib[method[1]](result, common.mustCall((err, result) => {
        assert.strictEqual(result.toString(), expectStr,
                           `Should get original string after ${method[0]}/` +
                           `${method[1]} ${type} without options.`);
      }));
    }));

    // FIXME(bartlomieju):
    // zlib[method[0]](expect, optsInfo, common.mustCall((err, result) => {
    //   assert.ok(result.engine instanceof zlib[method[2]],
    //             `Should get engine ${method[2]} after ${method[0]} ` +
    //             `${type} with info option.`);

    //   const compressed = result.buffer;
    //   zlib[method[1]](compressed, optsInfo, common.mustCall((err, result) => {
    //     assert.strictEqual(result.buffer.toString(), expectStr,
    //                        `Should get original string after ${method[0]}/` +
    //                        `${method[1]} ${type} with info option.`);
    //     assert.ok(result.engine instanceof zlib[method[3]],
    //               `Should get engine ${method[3]} after ${method[0]} ` +
    //               `${type} with info option.`);
    //   }));
    // }));

    {
      const compressed = zlib[`${method[0]}Sync`](expect, opts);
      const decompressed = zlib[`${method[1]}Sync`](compressed, opts);
      assert.strictEqual(decompressed.toString(), expectStr,
                         `Should get original string after ${method[0]}Sync/` +
                         `${method[1]}Sync ${type} with options.`);
    }


    {
      const compressed = zlib[`${method[0]}Sync`](expect);
      const decompressed = zlib[`${method[1]}Sync`](compressed);
      assert.strictEqual(decompressed.toString(), expectStr,
                         `Should get original string after ${method[0]}Sync/` +
                         `${method[1]}Sync ${type} without options.`);
    }

    // FIXME(bartlomieju):
    // {
    //   const compressed = zlib[`${method[0]}Sync`](expect, optsInfo);
    //   assert.ok(compressed.engine instanceof zlib[method[2]],
    //             `Should get engine ${method[2]} after ${method[0]} ` +
    //             `${type} with info option.`);
    //   const decompressed = zlib[`${method[1]}Sync`](compressed.buffer,
    //                                                 optsInfo);
    //   assert.strictEqual(decompressed.buffer.toString(), expectStr,
    //                      `Should get original string after ${method[0]}Sync/` +
    //                      `${method[1]}Sync ${type} without options.`);
    //   assert.ok(decompressed.engine instanceof zlib[method[3]],
    //             `Should get engine ${method[3]} after ${method[0]} ` +
    //             `${type} with info option.`);
    // }
  }
}

// FIXME(bartlomieju):
// assert.throws(
//   () => zlib.gzip('abc'),
//   {
//     code: 'ERR_INVALID_ARG_TYPE',
//     name: 'TypeError',
//     message: 'The "callback" argument must be of type function. ' +
//              'Received undefined'
//   }
// );