@ministryofjustice/probation-search-frontend/utils/pagination.test.js

A shared UI component to search for probation cases from within your Express/Nunjucks application

"use strict";
var __importDefault = (this && this.__importDefault) || function (mod) {
    return (mod && mod.__esModule) ? mod : { "default": mod };
};
Object.defineProperty(exports, "__esModule", { value: true });
const pagination_1 = __importDefault(require("./pagination"));
describe('pagination', () => {
    it.each([
        { currentPage: 1, totalPages: 1, maxPagesToShow: 7, expected: [1] },
        { currentPage: 2, totalPages: 3, maxPagesToShow: 7, expected: [1, 2, 3] },
        { currentPage: 3, totalPages: 10, maxPagesToShow: 7, expected: [1, 2, 3, 4, 5, 6, '...'] },
        { currentPage: 4, totalPages: 10, maxPagesToShow: 5, expected: ['...', 2, 3, 4, 5, 6, '...'] },
        { currentPage: 5, totalPages: 5, maxPagesToShow: 2, expected: ['...', 4, 5] },
        { currentPage: 1, totalPages: 5, maxPagesToShow: 2, expected: [1, 2, '...'] },
    ])('should return page numbers for page %s', ({ currentPage, totalPages, maxPagesToShow, expected }) => {
        const paginationItems = (0, pagination_1.default)(currentPage, totalPages, 100, () => '', 10, maxPagesToShow).items;
        const pageNumbers = paginationItems.map(item => ('ellipsis' in item ? '...' : item.number));
        expect(pageNumbers).toEqual(expected);
    });
});
describe('pagination from/to', () => {
    it.each([
        { currentPage: 1, totalResults: 1, pageSize: 10, expected: { from: '1', to: '1' } },
        { currentPage: 3, totalResults: 100, pageSize: 6, expected: { from: '13', to: '18' } },
        { currentPage: 10, totalResults: 95, pageSize: 10, expected: { from: '91', to: '95' } },
        { currentPage: 10, totalResults: 10000, pageSize: 1000, expected: { from: '9,001', to: '10,000' } },
    ])('should return correct from and to for page %s', ({ currentPage, totalResults, pageSize, expected }) => {
        const pagination = (0, pagination_1.default)(currentPage, 100, totalResults, () => '', pageSize, 10);
        expect(pagination.from).toEqual(expected.from);
        expect(pagination.to).toEqual(expected.to);
    });
});
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