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Datepicker: Allow null value for currentDate on mounting (#12963)
* Datepicker: Allow null value for currentDate on mounting * flexible assertion, FTW
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Original file line number | Diff line number | Diff line change |
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/** | ||
* External dependencies | ||
*/ | ||
import { shallow } from 'enzyme'; | ||
import moment from 'moment'; | ||
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/** | ||
* Internal dependencies | ||
*/ | ||
import DatePicker from '../date'; | ||
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const TIMEZONELESS_FORMAT = 'YYYY-MM-DDTHH:mm:ss'; | ||
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describe( 'DatePicker', () => { | ||
it( 'should pass down a moment object for currentDate', () => { | ||
const currentDate = '1986-10-18T23:00:00'; | ||
const wrapper = shallow( <DatePicker currentDate={ currentDate } /> ); | ||
const date = wrapper.children().props().date; | ||
expect( moment.isMoment( date ) ).toBe( true ); | ||
expect( date.isSame( moment( currentDate ) ) ).toBe( true ); | ||
} ); | ||
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it( 'should pass down a null date when currentDate is set to null', () => { | ||
const wrapper = shallow( <DatePicker currentDate={ null } /> ); | ||
expect( wrapper.children().props().date ).toBeNull(); | ||
} ); | ||
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it( 'should pass down a moment object for now when currentDate is undefined', () => { | ||
const wrapper = shallow( <DatePicker /> ); | ||
const date = wrapper.children().props().date; | ||
expect( moment.isMoment( date ) ).toBe( true ); | ||
expect( date.isSame( moment(), 'second' ) ).toBe( true ); | ||
} ); | ||
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describe( 'getMomentDate', () => { | ||
it( 'should return a Moment object representing a given date string', () => { | ||
const currentDate = '1986-10-18T23:00:00'; | ||
const wrapper = shallow( <DatePicker /> ); | ||
const momentDate = wrapper.instance().getMomentDate( currentDate ); | ||
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expect( moment.isMoment( momentDate ) ).toBe( true ); | ||
expect( momentDate.isSame( moment( currentDate ) ) ).toBe( true ); | ||
} ); | ||
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it( 'should return null when given a null agrument', () => { | ||
const currentDate = null; | ||
const wrapper = shallow( <DatePicker /> ); | ||
const momentDate = wrapper.instance().getMomentDate( currentDate ); | ||
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expect( momentDate ).toBeNull(); | ||
} ); | ||
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it( 'should return a Moment object representing now when given an undefined argument', () => { | ||
const wrapper = shallow( <DatePicker /> ); | ||
const momentDate = wrapper.instance().getMomentDate(); | ||
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expect( moment.isMoment( momentDate ) ).toBe( true ); | ||
expect( momentDate.isSame( moment(), 'second' ) ).toBe( true ); | ||
} ); | ||
} ); | ||
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describe( 'onChangeMoment', () => { | ||
it( 'should call onChange with a formated date of the input', () => { | ||
const onChangeSpy = jest.fn(); | ||
const currentDate = '1986-10-18T11:00:00'; | ||
const wrapper = shallow( <DatePicker currentDate={ currentDate } onChange={ onChangeSpy } /> ); | ||
const newDate = moment(); | ||
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wrapper.instance().onChangeMoment( newDate ); | ||
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expect( onChangeSpy ).toHaveBeenCalledWith( newDate.format( TIMEZONELESS_FORMAT ) ); | ||
} ); | ||
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it( 'should call onChange with hours, minutes, seconds of the current time when currentDate is undefined', () => { | ||
let onChangeSpyArgument; | ||
const onChangeSpy = ( arg ) => onChangeSpyArgument = arg; | ||
const wrapper = shallow( <DatePicker onChange={ onChangeSpy } /> ); | ||
const newDate = moment( '1986-10-18T11:00:00' ); | ||
const current = moment(); | ||
const newDateWithCurrentTime = newDate | ||
.clone() | ||
.set( { | ||
hours: current.hours(), | ||
minutes: current.minutes(), | ||
seconds: current.seconds(), | ||
} ); | ||
wrapper.instance().onChangeMoment( newDate ); | ||
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expect( moment( onChangeSpyArgument ).isSame( newDateWithCurrentTime, 'minute' ) ).toBe( true ); | ||
} ); | ||
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it( 'should call onChange with hours, minutes, seconds of the current time when currentDate is null', () => { | ||
let onChangeSpyArgument; | ||
const onChangeSpy = ( arg ) => onChangeSpyArgument = arg; | ||
const wrapper = shallow( <DatePicker currentDate={ null } onChange={ onChangeSpy } /> ); | ||
const newDate = moment( '1986-10-18T11:00:00' ); | ||
const current = moment(); | ||
const newDateWithCurrentTime = newDate | ||
.clone() | ||
.set( { | ||
hours: current.hours(), | ||
minutes: current.minutes(), | ||
seconds: current.seconds(), | ||
} ); | ||
wrapper.instance().onChangeMoment( newDate ); | ||
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expect( moment( onChangeSpyArgument ).isSame( newDateWithCurrentTime, 'minute' ) ).toBe( true ); | ||
} ); | ||
} ); | ||
} ); |