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Add tests for sample, sampleSize

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Angelos Chalaris
2018-02-09 13:06:15 +02:00
parent 35dd2aba19
commit a6701e44f9
4 changed files with 31 additions and 6 deletions
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8
test/sampleSize/sampleSize.test.js
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@ -5,9 +5,15 @@ test('Testing sampleSize', (t) => {
//For more information on all the methods supported by tape
//Please go to https://github.com/substack/tape
t.true(typeof sampleSize === 'function', 'sampleSize is a Function');
const arr = [3,7,9,11];
t.equal(sampleSize(arr).length, 1, 'Returns a single element without n specified');
t.true(sampleSize(arr, 2).every(x => arr.includes(x)), 'Returns a random sample of specified size from an array');
t.equal(sampleSize(arr, 5).length, 4, 'Returns all elements in an array if n >= length');
t.deepEqual(sampleSize([], 2), [], 'Returns an empty array if original array is empty');
t.deepEqual(sampleSize(arr, 0), [], 'Returns an empty array if n = 0');
//t.deepEqual(sampleSize(args..), 'Expected');
//t.equal(sampleSize(args..), 'Expected');
//t.false(sampleSize(args..), 'Expected');
//t.throws(sampleSize(args..), 'Expected');
t.end();
});
});