FunctionSelect: Select a function that passes a condition. A functional alternative to switch-case.
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'use strict';
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const Select = require('../Select');
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/* global describe it expect */
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describe("Select", () => {
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it("Should return array" +
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"[ 'Is 10', 'Greater than 10', 'Lesser than 10', null ]",
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() => {
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const a = [ 10, 20, 0, 'UnexpectedString' ];
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const result = new Select(a)
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.if(x => x > 10, () => 'Greater than 10')
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.if(x => x < 10, () => 'Lesser than 10')
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.if(x => x === 10, () => `Is 10`);
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console.log(result.resolve());
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expect(result.resolve()).toEqual([
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'Is 10',
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'Greater than 10',
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'Lesser than 10',
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null
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]);
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});
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});
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