@luminati-io/mountebank/src/models/impostersRepository.js

Over the wire test doubles

'use strict';

const fs = require('fs-extra'),
    path = require('path'),
    fileSystemBackedImpostersRepository = require('./filesystemBackedImpostersRepository.js'),
    inMemoryImpostersRepository = require('./inMemoryImpostersRepository.js');

/**
 * An factory abstraction for loading imposters
 * @module
 */

/**
 * Creates the repository based on startup configuration
 * @param {Object} config - The startup configuration
 * @param {Object} logger - The logger
 * @returns {Object} - the repository
 */
function create (config, logger) {
    if (config.impostersRepository) {
        const filename = path.resolve(path.relative(process.cwd(), config.impostersRepository));

        if (fs.existsSync(filename)) {
            try {
                return require(filename).create(config, logger);
            }
            catch (e) {
                logger.error(`An error occured while creating custom impostersRepository:\n ${e}`);
                return {};
            }
        }
        else {
            logger.warn(`Imposters Respository ${filename} does not exist. The default will be used`);
            return this.inMemory();
        }
    }
    else if (config.datadir) {
        return fileSystemBackedImpostersRepository.create(config, logger);
    }
    else {
        return this.inMemory();
    }
}

function inMemory () {
    return inMemoryImpostersRepository.create();
}

module.exports = { create, inMemory };