csv-writer/src/test/helper.ts

Convert objects/arrays into a CSV string or write them into a CSV file

import {strictEqual} from 'assert';
import {readFileSync} from 'fs';

export const testFilePath = (id: string) => `./test-tmp/${id}.csv`;

export const assertFile = (path: string, expectedContents: string, encoding?: string) => {
    const actualContents = readFileSync(path, encoding || 'utf8');
    strictEqual(actualContents, expectedContents);
};

export const assertRejected = (p: Promise<any>, message: string) => {
    return p.then(
        () => new Error('Should not have been called'),
        (e: Error) => { strictEqual(e.message, message); }
    );
};