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utils_spec.jsx
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utils_spec.jsx
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import { it, describe } from 'mocha';
import { expect } from 'chai';
import {
tryNumify, slugify, formatSelectOptionsForRange, d3format,
d3FormatPreset, d3TimeFormatPreset, defaultNumberFormatter,
} from '../../../javascripts/modules/utils';
describe('utils', () => {
it('tryNumify works as expected', () => {
expect(tryNumify(5)).to.equal(5);
expect(tryNumify('5')).to.equal(5);
expect(tryNumify('5.1')).to.equal(5.1);
expect(tryNumify('a string')).to.equal('a string');
});
it('slugify slugifies', () => {
expect(slugify('My Neat Label! ')).to.equal('my-neat-label');
expect(slugify('Some Letters AnD a 5')).to.equal('some-letters-and-a-5');
expect(slugify(' 439278 ')).to.equal('439278');
expect(slugify('5')).to.equal('5');
});
it('formatSelectOptionsForRange', () => {
expect(formatSelectOptionsForRange(0, 4)).to.deep.equal([
[0, '0'],
[1, '1'],
[2, '2'],
[3, '3'],
[4, '4'],
]);
expect(formatSelectOptionsForRange(1, 2)).to.deep.equal([
[1, '1'],
[2, '2'],
]);
});
it('d3format', () => {
expect(d3format('.3s', 1234)).to.equal('1.23k');
expect(d3format('.3s', 1237)).to.equal('1.24k');
expect(d3format('', 1237)).to.equal('1.24k');
});
describe('d3FormatPreset', () => {
it('is a function', () => {
assert.isFunction(d3FormatPreset);
});
it('returns a working formatter', () => {
expect(d3FormatPreset('.3s')(3000000)).to.equal('3.00M');
});
});
describe('d3TimeFormatPreset', () => {
it('is a function', () => {
assert.isFunction(d3TimeFormatPreset);
});
it('returns a working time formatter', () => {
expect(d3FormatPreset('smart_date')(0)).to.equal('1970');
});
});
describe('d3TimeFormatPreset', () => {
expect(defaultNumberFormatter(10)).to.equal('10');
expect(defaultNumberFormatter(1)).to.equal('1');
expect(defaultNumberFormatter(1.0)).to.equal('1');
expect(defaultNumberFormatter(10.0)).to.equal('10');
expect(defaultNumberFormatter(10001)).to.equal('10.0k');
expect(defaultNumberFormatter(111000000)).to.equal('111M');
expect(defaultNumberFormatter(0.23)).to.equal('230m');
expect(defaultNumberFormatter(-10)).to.equal('-10');
expect(defaultNumberFormatter(-1)).to.equal('-1');
expect(defaultNumberFormatter(-1.0)).to.equal('-1');
expect(defaultNumberFormatter(-10.0)).to.equal('-10');
expect(defaultNumberFormatter(-10001)).to.equal('-10.0k');
expect(defaultNumberFormatter(-111000000)).to.equal('-111M');
expect(defaultNumberFormatter(-0.23)).to.equal('-230m');
});
});