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fix(Autocomplete): make DrawerList direction observer work (#1535)
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70 changes: 70 additions & 0 deletions
70
packages/dnb-eufemia/src/fragments/drawer-list/__tests__/DrawerListTestMocks.js
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,70 @@ | ||
| export function mockImplementationForDirectionObserver() { | ||
| beforeAll(() => { | ||
| window.resizeTo = function resizeTo({ | ||
| width = window.innerWidth, | ||
| height = window.innerHeight, | ||
| }) { | ||
| Object.assign(this, { | ||
| innerWidth: width, | ||
| innerHeight: height, | ||
| }).dispatchEvent(new this.Event('resize')) | ||
|
|
||
| // new setDirectionObserver implementation | ||
| jest | ||
| .spyOn(document.documentElement, 'clientWidth', 'get') | ||
| .mockImplementation(() => width) | ||
| jest | ||
| .spyOn(document.documentElement, 'clientHeight', 'get') | ||
| .mockImplementation(() => height) | ||
| } | ||
|
|
||
| window.scrollTo = function resizeTo({ top = window.pageYOffset }) { | ||
| Object.assign(this, { | ||
| pageYOffset: top, | ||
| }).dispatchEvent(new this.Event('scroll')) | ||
|
|
||
| // new setDirectionObserver implementation | ||
| jest | ||
| .spyOn(document.documentElement, 'scrollTop', 'get') | ||
| .mockImplementation(() => top) | ||
| } | ||
|
|
||
| // make sure we get the correct document.documentElement.clientHeight on startup | ||
| window.resizeTo({ height: window.innerHeight }) | ||
| }) | ||
| } | ||
|
|
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| export async function testDirectionObserver(Comp) { | ||
| expect(Comp.props().direction).toBe('auto') | ||
|
|
||
| // the setDirectionObserver fn is changing this | ||
| expect(Comp.exists('.dnb-drawer-list--bottom')).toBe(true) | ||
| expect( | ||
| Comp.find('.dnb-drawer-list__options').instance().getAttribute('style') | ||
| ).toBe('max-height: 33.5rem;') // jsdom default is 768 innerHeight | ||
|
|
||
| window.resizeTo({ | ||
| height: 640, // change innerHeight | ||
| }) | ||
| await wait(100) | ||
|
|
||
| expect(Comp.exists('.dnb-drawer-list--bottom')).toBe(true) | ||
| expect( | ||
| Comp.find('.dnb-drawer-list__options').instance().getAttribute('style') | ||
| ).toBe('max-height: 28rem;') | ||
|
|
||
| window.scrollTo({ | ||
| top: -640, | ||
| }) | ||
| await wait(100) | ||
|
|
||
| // force re-render to get a updated state | ||
| Comp.update() | ||
|
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| expect(Comp.exists('.dnb-drawer-list--top')).toBe(true) | ||
| expect( | ||
| Comp.find('.dnb-drawer-list__options').instance().getAttribute('style') | ||
| ).toBe('max-height: 28rem;') // is now min_height | ||
| } | ||
|
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||
| const wait = (t) => new Promise((r) => setTimeout(r, t)) |