@geogirafe/lib-geoportal/tools/export/csvmanager.spec.js

GeoGirafe is a flexible application to build online geoportals.

import { describe, it, expect, beforeEach, vi } from 'vitest';
import CsvManager from './csvmanager';
import ConfigManager from '../configuration/configmanager';
import { download } from './download';
import MockHelper from '../tests/mockhelper';
vi.mock('./download', () => ({
    download: vi.fn()
}));
describe('CsvManager', () => {
    let csvManager;
    beforeEach(() => {
        MockHelper.startMocking();
        csvManager = CsvManager.getInstance();
    });
    describe('generateCsv', () => {
        it('should return empty string if data or columnDefs are empty', () => {
            expect(csvManager.generateCsv([], [])).toBe('');
            expect(csvManager.generateCsv([{ a: 1 }], [])).toBe('');
            expect(csvManager.generateCsv([], [{ name: 'a' }])).toBe('');
        });
        it('should generate CSV with headers', () => {
            const data = [{ a: 1, b: 2 }];
            const columnDefs = [{ name: 'a' }, { name: 'b' }];
            const expectedCsv = "'translated_a','translated_b'\n'1','2'\n";
            expect(csvManager.generateCsv(data, columnDefs)).toBe(expectedCsv);
        });
        it('should generate CSV without headers if config.csv.includeHeader is false', () => {
            const data = [{ a: 1, b: 2 }];
            const columnDefs = [{ name: 'a' }, { name: 'b' }];
            ConfigManager.getInstance().Config.csv.includeHeader = false;
            const expectedCsv = "'1','2'\n";
            expect(csvManager.generateCsv(data, columnDefs)).toBe(expectedCsv);
        });
    });
    describe('getRow', () => {
        it('should generate CSV row with correct quoting and escaping', () => {
            const values = ['value1', 'value, with, commas', 'value "with" quotes', "other value 'with' quotes"];
            const expectedRow = `'value1','value, with, commas','value "with" quotes','other value ''with'' quotes'\n`;
            // @ts-ignore
            expect(csvManager.getRow(values)).toBe(expectedRow);
        });
        it('should handle undefined and null values correctly', () => {
            const values = ['value1', undefined, null];
            const expectedRow = "'value1',,\n";
            // @ts-ignore
            expect(csvManager.getRow(values)).toBe(expectedRow);
        });
    });
    describe('startDownload', () => {
        it('should generate CSV and start download', () => {
            const data = [{ a: 1, b: 2 }];
            const columnDefs = [{ name: 'a' }, { name: 'b' }];
            const fileName = 'test_file';
            csvManager.startDownload(data, columnDefs, fileName);
            const expectedCsv = "'translated_a','translated_b'\n'1','2'\n";
            expect(download).toHaveBeenCalledWith(expectedCsv, fileName, 'text/csv;charset=utf-8');
        });
    });
});