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Name	Size	Last Modified
[F]compressor-test.js Edit	3.74 KB	2022-10-08 17:28:30
[F]decoder-test.js Edit	5.17 KB	2022-10-08 17:28:30
[F]decompressor-test.js Edit	5.13 KB	2022-10-08 17:28:30
[F]encoder-test.js Edit	4.43 KB	2022-10-08 17:28:31
[F]fixtures.js Edit	6.38 KB	2022-10-08 17:28:31

Editing: compressor-test.js

var assert = require('assert');
var hpack = require('../');
var fixtures = require('./fixtures');

describe('hpack/compressor', function() {
  var comp;

beforeEach(function() {
    comp = hpack.compressor.create({
      table: {
        maxSize: 1024
      }
    });
  });

function expect(arr, enc) {
    function isNumber(num) {
      return typeof num === 'number';
    }

describe('indexed field', function() {
    it('should lookup entry from static table', function() {
      comp.write([{ name: ':method', value: 'GET' }]);
      expect([ 0b10000000 | 2 ]);
    });

it('should fetch entry from the end of the static table', function() {
      comp.write([{ name: 'www-authenticate', value: '' }]);
      expect([ 0b10000000 | 61 ]);
    });
  });

describe('literal field', function() {
    it('should lookup name in the table (incremental)', function() {
      comp.write([{ name: 'host', value: 'localhost' }]);
      expect('6686a0e41d139d09', 'hex');

comp.write([{ name: 'host', value: 'localhost' }]);
      expect([ 0b10000000 | 62 ]);
    });

it('should lookup name in the table (not-incremental)', function() {
      comp.write([{ name: 'host', value: 'localhost', incremental: false }]);
      expect('0f1786a0e41d139d09', 'hex');

// Should not use the table
      comp.write([{ name: 'host', value: 'localhost' }]);
      expect('6686a0e41d139d09', 'hex');
    });

it('should evict header field from the table', function() {
      for (var i = 0; i < 1000; i++) {
        comp.write([{ name: 'host', value: 'localhost' + i }]);
        comp.read();
      }

assert(comp._table.size < comp._table.maxSize);
      assert.equal(comp._table.dynamic.length, 21);
    });
  });

describe('update size', function() {
    it('should evict header field from the table', function() {
      comp.write([{ name: 'host', value: 'localhost' }]);
      expect('6686a0e41d139d09', 'hex');

comp.reset();

// update=0, update=maxSize
      expect('203fe107', 'hex');

comp.write([{ name: 'host', value: 'localhost' }]);
      expect('6686a0e41d139d09', 'hex');
    });

it('should send dynamic update if size >= protocolMaxSize', function() {
      comp.updateTableSize(Infinity);

// update=maxSize
      expect('3fe107', 'hex');
    });
  });

describe('spec examples', function() {
    beforeEach(function() {
      comp = hpack.compressor.create({
        table: {
          maxSize: 256
        }
      });
    });

var tests = fixtures.specExamples;

tests.forEach(function(test, i) {
      var prev = tests[i - 1];
      it('should give expected output on ' + test.id, function() {
        var startFrom = test.continuation ? prev.comp : comp;
        if (!startFrom)
          throw new Error('Previous test failed');
        comp = startFrom;

comp.write(test.output.map(function(pair) {
          return { name: pair[0], value: pair[1], huffman: test.huffman };
        }));
        expect(test.input.replace(/ /g, ''), 'hex');

// Verify table contents
        assert.deepEqual(comp._table.dynamic.map(function(header) {
          return [ header.name, header.value, header.totalSize ];
        }).reverse(), test.table);

// Verify table size
        var expectedSize = test.table.reduce(function(acc, item) {
          return acc + item[2];
        }, 0);
        assert.equal(comp._table.size, expectedSize);

test.comp = comp;
      });
    });
  });
});

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