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19 lines
425 B
JavaScript
19 lines
425 B
JavaScript
const test = require('tap').test;
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const utility = require('../../lib/utility');
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test('spec', t => {
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t.type(utility, 'function');
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t.type(utility.frequency, 'function');
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t.end();
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});
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test('frequency', t => {
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const input = ['foo', 'foo', 'foo', 'bar', 'bar', 'baz'];
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const result = utility.frequency(input);
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t.deepEqual(result, {
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foo: 3,
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bar: 2,
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baz: 1
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});
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t.end();
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});
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