20 lines
984 B
JavaScript
20 lines
984 B
JavaScript
const test = require('tape');
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const sampleSize = require('./sampleSize.js');
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test('Testing sampleSize', (t) => {
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//For more information on all the methods supported by tape
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//Please go to https://github.com/substack/tape
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t.true(typeof sampleSize === 'function', 'sampleSize is a Function');
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const arr = [3,7,9,11];
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t.equal(sampleSize(arr).length, 1, 'Returns a single element without n specified');
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t.true(sampleSize(arr, 2).every(x => arr.includes(x)), 'Returns a random sample of specified size from an array');
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t.equal(sampleSize(arr, 5).length, 4, 'Returns all elements in an array if n >= length');
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t.deepEqual(sampleSize([], 2), [], 'Returns an empty array if original array is empty');
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t.deepEqual(sampleSize(arr, 0), [], 'Returns an empty array if n = 0');
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//t.deepEqual(sampleSize(args..), 'Expected');
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//t.equal(sampleSize(args..), 'Expected');
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//t.false(sampleSize(args..), 'Expected');
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//t.throws(sampleSize(args..), 'Expected');
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t.end();
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});
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