markdown-to-file/test/suite/index.js

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'use strict';

const path = require('path');
const Mocha = require('mocha');
const glob = require('glob');

module.exports = {
    run: function() {
        // Create the mocha test
        const mocha = new Mocha({
            ui: 'tdd'
        });
        mocha.useColors(true);

        const testsRoot = path.resolve(__dirname, '..');

        return new Promise((c, e) => {
            glob('**/**.test.js', { cwd: testsRoot }, (err, files) => {
            if (err) {
                return e(err);
            }

            // Add files to the test suite
            files.forEach(f => mocha.addFile(path.resolve(testsRoot, f)));

            try {
                // Run the mocha test
                mocha.run(failures => {
                if (failures > 0) {
                    e(new Error(`${failures} tests failed.`));
                } else {
                    c();
                }
                });
            } catch (err) {
                e(err);
            }
            });
        });
    }
}