gitlab-org--gitlab-foss/spec/frontend/packages/list/utils_spec.js

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import { getNewPaginationPage } from '~/packages/list/utils';
describe('Packages list utils', () => {
describe('packageTypeDisplay', () => {
it('returns the current page when total items exceeds pagniation', () => {
expect(getNewPaginationPage(2, 20, 21)).toBe(2);
});
it('returns the previous page when total items is lower than or equal to pagination', () => {
expect(getNewPaginationPage(2, 20, 20)).toBe(1);
});
it('returns the first page when totalItems is lower than or equal to perPage', () => {
expect(getNewPaginationPage(4, 20, 20)).toBe(1);
});
describe('works when a different perPage is used', () => {
it('returns the current page', () => {
expect(getNewPaginationPage(2, 10, 11)).toBe(2);
});
it('returns the previous page', () => {
expect(getNewPaginationPage(2, 10, 10)).toBe(1);
});
});
describe.each`
currentPage | totalItems | expectedResult
${1} | ${20} | ${1}
${2} | ${20} | ${1}
${3} | ${40} | ${2}
${4} | ${60} | ${3}
`(`works across numerious pages`, ({ currentPage, totalItems, expectedResult }) => {
it(`when currentPage is ${currentPage} return to the previous page ${expectedResult}`, () => {
expect(getNewPaginationPage(currentPage, 20, totalItems)).toBe(expectedResult);
});
});
});
});