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[TablePagination] Out of range warning when "count={-1}" #19874

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Merged
merged 7 commits into from
Mar 1, 2020
Merged

[TablePagination] Out of range warning when "count={-1}" #19874

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6cf978a
added statement if count negative
dbarabashh Feb 27, 2020
06e5501
added test TablaPagination when count is out of range
dbarabashh Feb 27, 2020
01184a5
added test TablaPagination when count is out of range
dbarabashh Feb 27, 2020
fbd8ed3
changes for let page value
dbarabashh Feb 27, 2020
59eca5d
'display 0 as ztart number if the table is empty' revert test case
dbarabashh Mar 1, 2020
e20cf0d
use testing-library
oliviertassinari Mar 1, 2020
76d5dbf
fix CI
oliviertassinari Mar 1, 2020
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5 changes: 5 additions & 0 deletions packages/material-ui/src/TablePagination/TablePagination.js
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Original file line number Diff line number Diff line change
Expand Up @@ -246,6 +246,11 @@ TablePagination.propTypes = {
*/
page: chainPropTypes(PropTypes.number.isRequired, props => {
const { count, page, rowsPerPage } = props;

if (count === -1) {
return null;
}

const newLastPage = Math.max(0, Math.ceil(count / rowsPerPage) - 1);
if (page < 0 || page > newLastPage) {
return new Error(
Expand Down
28 changes: 14 additions & 14 deletions packages/material-ui/src/TablePagination/TablePagination.test.js
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Original file line number Diff line number Diff line change
Expand Up @@ -10,6 +10,7 @@ import TableFooter from '../TableFooter';
import TableCell from '../TableCell';
import Typography from '../Typography';
import TableRow from '../TableRow';
import TableBody from '../TableBody';
import TablePagination from './TablePagination';

describe('<TablePagination />', () => {
Expand Down Expand Up @@ -200,29 +201,28 @@ describe('<TablePagination />', () => {
assert.strictEqual(page, 0);
});

it('should display 0 as start number if the table is empty ', () => {
it('should handle when count is out of range', () => {
let page = 1;
const wrapper = mount(
<table>
<TableFooter>
<TableBody>
<TableRow>
<TablePagination
count={0}
page={0}
count={-1}
page={page}
onChangePage={(event, nextPage) => {
page = nextPage;
}}
rowsPerPage={10}
onChangePage={noop}
onChangeRowsPerPage={noop}
/>
</TableRow>
</TableFooter>
</TableBody>
</table>,
);
assert.strictEqual(
wrapper
.find(Typography)
.at(1)
.text(),
'0-0 of 0',
);

const nextButton = wrapper.find(IconButton).at(1);
nextButton.simulate('click');
assert.strictEqual(page, 2);
});

it('should hide the rows per page selector if there are less than two options', () => {
Expand Down