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fix(input): emit change event upon page.setInputFiles #1028

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merged 1 commit into from
Feb 18, 2020
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fix(input): emit change event upon page.setInputFiles #1028

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1 change: 1 addition & 0 deletions src/dom.ts
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Original file line number Diff line number Diff line change
Expand Up @@ -571,4 +571,5 @@ export const setFileInputFunction = async (element: HTMLInputElement, payloads:
dt.items.add(file);
element.files = dt.files;
element.dispatchEvent(new Event('input', { 'bubbles': true }));
element.dispatchEvent(new Event('change', { 'bubbles': true }));
};
6 changes: 4 additions & 2 deletions test/input.spec.js
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Expand Up @@ -193,17 +193,19 @@ module.exports.describe = function({testRunner, expect, playwright, FFOX, CHROMI
path.relative(process.cwd(), __dirname + '/assets/pptr.png')).catch(e => error = e);
expect(error).not.toBe(null);
});
it('should emit input change event', async({page, server}) => {
it('should emit input and change events', async({page, server}) => {
const events = [];
await page.exposeFunction('eventHandled', e => events.push(e));
await page.setContent(`
<input id=input type=file></input>
<script>
input.addEventListener('input', e => eventHandled({ type: e.type }));
input.addEventListener('change', e => eventHandled({ type: e.type }));
</script>`);
await (await page.$('input')).setInputFiles(FILE_TO_UPLOAD);
expect(events.length).toBe(1);
expect(events.length).toBe(2);
expect(events[0].type).toBe('input');
expect(events[1].type).toBe('change');
});
});

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