@mcdevsl/superset-ui
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text/typescript
import {
NumberFormatterRegistry,
getNumberFormatterRegistry,
getNumberFormatter,
formatNumber,
} from '@superset-ui/core/src';
describe('NumberFormatterRegistrySingleton', () => {
describe('getNumberFormatterRegistry()', () => {
it('returns a NumberFormatterRegisry', () => {
expect(getNumberFormatterRegistry()).toBeInstanceOf(NumberFormatterRegistry);
});
});
describe('getNumberFormatter(format)', () => {
it('returns a format function', () => {
const format = getNumberFormatter('.3s');
expect(format(12345)).toEqual('12.3k');
});
it('returns a format function even given invalid format', () => {
const format = getNumberFormatter('xkcd');
expect(format(12345)).toEqual('12345 (Invalid format: xkcd)');
});
it('falls back to default format if format is not specified', () => {
const formatter = getNumberFormatter();
expect(formatter.format(100)).toEqual('100');
});
});
describe('formatNumber(format, value)', () => {
it('format the given number using the specified format', () => {
const output = formatNumber('.3s', 12345);
expect(output).toEqual('12.3k');
});
it('falls back to the default formatter if the format is undefined', () => {
expect(formatNumber(undefined, 1000)).toEqual('1k');
});
});
});