mirror of
https://github.com/apache/superset.git
synced 2024-09-19 12:09:42 -04:00
52 lines
1.8 KiB
TypeScript
52 lines
1.8 KiB
TypeScript
|
import NumberFormatter from '../src/NumberFormatter';
|
||
|
|
||
|
describe('NumberFormatter', () => {
|
||
|
describe('formatter is also a format function itself', () => {
|
||
|
const formatter = new NumberFormatter({
|
||
|
id: 'fixed_3',
|
||
|
formatFunc: value => value.toFixed(3),
|
||
|
});
|
||
|
it('returns formatted value', () => {
|
||
|
expect(formatter(12345.67)).toEqual('12345.670');
|
||
|
});
|
||
|
it('formatter(value) is the same with formatter.format(value)', () => {
|
||
|
const value = 12345.67;
|
||
|
expect(formatter(value)).toEqual(formatter.format(value));
|
||
|
});
|
||
|
});
|
||
|
describe('.format(value)', () => {
|
||
|
const formatter = new NumberFormatter({
|
||
|
id: 'fixed_3',
|
||
|
formatFunc: value => value.toFixed(3),
|
||
|
});
|
||
|
it('handles null', () => {
|
||
|
expect(formatter.format(null)).toEqual('null');
|
||
|
});
|
||
|
it('handles undefined', () => {
|
||
|
expect(formatter.format(undefined)).toEqual('undefined');
|
||
|
});
|
||
|
it('handles NaN', () => {
|
||
|
expect(formatter.format(NaN)).toEqual('NaN');
|
||
|
});
|
||
|
it('handles positive and negative infinity', () => {
|
||
|
expect(formatter.format(Number.POSITIVE_INFINITY)).toEqual('∞');
|
||
|
expect(formatter.format(Number.NEGATIVE_INFINITY)).toEqual('-∞');
|
||
|
});
|
||
|
it('otherwise returns formatted value', () => {
|
||
|
expect(formatter.format(12345.67)).toEqual('12345.670');
|
||
|
});
|
||
|
});
|
||
|
describe('.preview(value)', () => {
|
||
|
const formatter = new NumberFormatter({
|
||
|
id: 'fixed_2',
|
||
|
formatFunc: value => value.toFixed(2),
|
||
|
});
|
||
|
it('returns string comparing value before and after formatting', () => {
|
||
|
expect(formatter.preview(100)).toEqual('100 => 100.00');
|
||
|
});
|
||
|
it('uses the default preview value if not specified', () => {
|
||
|
expect(formatter.preview()).toEqual('12345.432 => 12345.43');
|
||
|
});
|
||
|
});
|
||
|
});
|