40 lines
977 B
JavaScript
40 lines
977 B
JavaScript
var test = require('tape');
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var markov = require('../');
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var EventEmitter = require('events').EventEmitter;
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test('stream', function (t) {
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t.plan(3);
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var m = markov(1);
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var to = setTimeout(function () {
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t.fail('never finished');
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}, 5000);
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var em = new EventEmitter;
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m.seed(em, function () {
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clearTimeout(to);
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var counts = {};
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for (var i = 0; i < 100; i++) {
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var w = m.next('the');
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counts[w.key] = (counts[w.key] || 0) + 1;
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}
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t.deepEqual(Object.keys(counts).sort(), [ 'cat', 'cow' ]);
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t.ok(40 <= counts.cat && counts.cat <= 60);
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t.ok(40 <= counts.cow && counts.cow <= 60);
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});
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setTimeout(function () {
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em.emit('data', 'The cow says');
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}, 100);
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setTimeout(function () {
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em.emit('data', 'moo.\nThe ');
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}, 150);
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setTimeout(function () {
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em.emit('data', 'cat says meow.\n');
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em.emit('end');
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}, 200);
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}); |