masq/test/lib/test_helper.js

A simple local dns server extracted from Pow

// Generated by CoffeeScript 2.0.0-beta2
(function() {
  var Configuration, createRequester, debug, defaultEnvironment, exec, fixturePath, fs, http, join, merge, mkdirp, rm_rf, serve, swap, touch;

  fs = require("fs");

  http = require("http");

  ({exec} = require("child_process"));

  ({join} = require("path"));

  ({Configuration} = require("../.."));

  exports.merge = merge = function(...objects) {
    var i, key, len, object, result, value;
    result = {};
    for (i = 0, len = objects.length; i < len; i++) {
      object = objects[i];
      for (key in object) {
        value = object[key];
        result[key] = value;
      }
    }
    return result;
  };

  exports.fixturePath = fixturePath = function(path) {
    return join(fs.realpathSync(join(__dirname, "..")), "fixtures", path);
  };

  defaultEnvironment = {
    POW_HOST_ROOT: fixturePath("tmp"),
    POW_LOG_ROOT: fixturePath("tmp/logs")
  };

  exports.createConfiguration = function(env = {}) {
    return new Configuration(merge(defaultEnvironment, env));
  };

  exports.prepareFixtures = function(callback) {
    return rm_rf(fixturePath("tmp"), function() {
      return mkdirp(fixturePath("tmp"), function() {
        return callback();
      });
    });
  };

  exports.rm_rf = rm_rf = function(path, callback) {
    return exec(`rm -rf ${path}`, callback);
  };

  exports.mkdirp = mkdirp = function(path, callback) {
    return exec(`mkdir -p ${path}`, callback);
  };

  exports.touch = touch = function(path, callback) {
    return exec(`touch ${path}`, callback);
  };

  exports.swap = swap = function(path1, path2, callback) {
    var unswap;
    unswap = function(callback) {
      return swap(path2, path1, callback);
    };
    return exec(`mv ${path1} ${path1}.swap;\nmv ${path2} ${path1};\nmv ${path1}.swap ${path2}`, function(err) {
      return callback(err, unswap);
    });
  };

  exports.debug = debug = function() {
    if (process.env.DEBUG) {
      return console.error.apply(console, arguments);
    }
  };

  exports.serve = serve = function(server, callback) {
    return server.listen(0, function() {
      var port, request;
      port = server.address().port;
      debug(`server listening on port ${port}`);
      request = createRequester(server.address().port);
      return callback(request, function(callback) {
        debug(`server on port ${port} is closing`);
        server.close();
        return callback();
      }, server);
    });
  };

  exports.createRequester = createRequester = function(port) {
    return function(method, path, headers, callback) {
      var data, request;
      if (!callback) {
        callback = headers;
      }
      request = http.request({method, path, port, headers});
      if (data = headers.data) {
        delete headers.data;
        request.write(data);
      }
      request.end();
      debug(`client requesting ${method} ${path} on port ${port}`);
      return request.on("response", function(response) {
        var body;
        body = "";
        response.on("data", function(chunk) {
          debug(`client received ${chunk.length} bytes from server on port ${port}`);
          return body += chunk.toString("utf8");
        });
        return response.on("end", function() {
          debug(`client disconnected from server on port ${port}`);
          return callback(body, response);
        });
      });
    };
  };

}).call(this);