@mcdevsl/superset-ui
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text/typescript
import TimeFormatterRegistry from '@superset-ui/core/src/time-format/TimeFormatterRegistry';
import { TimeFormats, TimeFormatter, PREVIEW_TIME } from '@superset-ui/core/src/time-format';
describe('TimeFormatterRegistry', () => {
let registry: TimeFormatterRegistry;
beforeEach(() => {
registry = new TimeFormatterRegistry();
});
describe('.get(format)', () => {
it('creates and returns a new formatter if does not exist', () => {
const formatter = registry.get(TimeFormats.DATABASE_DATETIME);
expect(formatter).toBeInstanceOf(TimeFormatter);
expect(formatter.format(PREVIEW_TIME)).toEqual('2017-02-14 11:22:33');
});
it('returns an existing formatter if already exists', () => {
const formatter = registry.get(TimeFormats.TIME);
const formatter2 = registry.get(TimeFormats.TIME);
expect(formatter).toBe(formatter2);
});
it('falls back to default format if format is not specified', () => {
registry.setDefaultKey(TimeFormats.INTERNATIONAL_DATE);
const formatter = registry.get();
expect(formatter.format(PREVIEW_TIME)).toEqual('14/02/2017');
});
it('falls back to default format if format is null', () => {
registry.setDefaultKey(TimeFormats.INTERNATIONAL_DATE);
// @ts-ignore
const formatter = registry.get(null);
expect(formatter.format(PREVIEW_TIME)).toEqual('14/02/2017');
});
it('falls back to default format if format is undefined', () => {
registry.setDefaultKey(TimeFormats.INTERNATIONAL_DATE);
const formatter = registry.get(undefined);
expect(formatter.format(PREVIEW_TIME)).toEqual('14/02/2017');
});
it('falls back to default format if format is empty string', () => {
registry.setDefaultKey(TimeFormats.INTERNATIONAL_DATE);
const formatter = registry.get('');
expect(formatter.format(PREVIEW_TIME)).toEqual('14/02/2017');
});
it('removes leading and trailing spaces from format', () => {
const formatter = registry.get(' %Y ');
expect(formatter).toBeInstanceOf(TimeFormatter);
expect(formatter.format(PREVIEW_TIME)).toEqual('2017');
});
});
describe('.format(format, value)', () => {
it('return the value with the specified format', () => {
expect(registry.format(TimeFormats.US_DATE, PREVIEW_TIME)).toEqual('02/14/2017');
expect(registry.format(TimeFormats.TIME, PREVIEW_TIME)).toEqual('11:22:33');
});
it('falls back to the default formatter if the format is undefined', () => {
expect(registry.format(undefined, PREVIEW_TIME)).toEqual('2017-02-14 11:22:33');
});
});
});