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import { getPageValue, buildCSV, createCSVDownload, escapeDangerousCSVCharacters } from '../src/utils';
import { spy } from 'sinon';
import { assert } from 'chai';
describe('utils.js', () => {
describe('escapeDangerousCSVCharacters', () => {
it('properly escapes the first character in a string if it can be used for injection', () => {
assert.strictEqual(escapeDangerousCSVCharacters('+SUM(1+1)'), "'+SUM(1+1)");
assert.strictEqual(escapeDangerousCSVCharacters('-SUM(1+1)'), "'-SUM(1+1)");
assert.strictEqual(escapeDangerousCSVCharacters('=SUM(1+1)'), "'=SUM(1+1)");
assert.strictEqual(escapeDangerousCSVCharacters('@SUM(1+1)'), "'@SUM(1+1)");
assert.equal(escapeDangerousCSVCharacters(123), 123);
});
});
describe('getPageValue', () => {
it('returns the highest in bounds page value when page is out of bounds and count is greater than rowsPerPage', () => {
const count = 30;
const rowsPerPage = 10;
const page = 5;
const actualResult = getPageValue(count, rowsPerPage, page);
assert.strictEqual(actualResult, 2);
});
it('returns the highest in bounds page value when page is in bounds and count is greater than rowsPerPage', () => {
const count = 30;
const rowsPerPage = 10;
const page = 1;
const actualResult = getPageValue(count, rowsPerPage, page);
assert.strictEqual(actualResult, 1);
});
it('returns the highest in bounds page value when page is out of bounds and count is less than rowsPerPage', () => {
const count = 3;
const rowsPerPage = 10;
const page = 1;
const actualResult = getPageValue(count, rowsPerPage, page);
assert.strictEqual(actualResult, 0);
});
it('returns the highest in bounds page value when page is in bounds and count is less than rowsPerPage', () => {
const count = 3;
const rowsPerPage = 10;
const page = 0;
const actualResult = getPageValue(count, rowsPerPage, page);
assert.strictEqual(actualResult, 0);
});
it('returns the highest in bounds page value when page is out of bounds and count is equal to rowsPerPage', () => {
const count = 10;
const rowsPerPage = 10;
const page = 1;
const actualResult = getPageValue(count, rowsPerPage, page);
assert.strictEqual(actualResult, 0);
});
it('returns the highest in bounds page value when page is in bounds and count is equal to rowsPerPage', () => {
const count = 10;
const rowsPerPage = 10;
const page = 0;
const actualResult = getPageValue(count, rowsPerPage, page);
assert.strictEqual(actualResult, 0);
});
});
describe('buildCSV', () => {
const options = {
downloadOptions: {
separator: ';',
},
onDownload: null,
};
const columns = [
{
name: 'firstname',
download: true,
},
{
name: 'lastname',
download: true,
},
];
it('properly builds a csv when given a non-empty dataset', () => {
const data = [{ data: ['anton', 'abraham'] }, { data: ['berta', 'buchel'] }];
const csv = buildCSV(columns, data, options);
assert.strictEqual(csv, '"firstname";"lastname"\r\n' + '"anton";"abraham"\r\n' + '"berta";"buchel"');
});
it('returns an empty csv with header when given an empty dataset', () => {
const data = [];
const csv = buildCSV(columns, data, options);
assert.strictEqual(csv, '"firstname";"lastname"');
});
});
describe('createCSVDownload', () => {
const columns = [
{
name: 'firstname',
download: true,
},
{
name: 'lastname',
download: true,
},
];
const data = [{ data: ['anton', 'abraham'] }, { data: ['berta', 'buchel'] }];
it('does not call download function if download callback returns `false`', () => {
const options = {
downloadOptions: {
separator: ';',
},
onDownload: () => false,
};
const downloadCSV = spy();
createCSVDownload(columns, data, options, downloadCSV);
assert.strictEqual(downloadCSV.callCount, 0);
});
it('calls download function if download callback returns truthy', () => {
const options = {
downloadOptions: {
separator: ';',
},
onDownload: () => true,
};
const downloadCSV = spy();
createCSVDownload(columns, data, options, downloadCSV);
assert.strictEqual(downloadCSV.callCount, 1);
});
});
});
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