superagent-cache-redirects-demo.js

var Promise = require('es6-promise').Promise;
var superagent = require('superagent');
var prune = function(res) {
  return {
    body: res.body,
    text: res.text,
    headers: res.headers,
    statusCode: res.statusCode,
    status: res.status,
    ok: res.ok,
    redirects: res.redirects
  };
};
// Try disabling this to see it pass
require('superagent-cache')(superagent, null, {prune: prune});

function runSuperagent(url, redirectsExpected) {
  return new Promise(function(resolve, reject) {
    superagent
      .get(url)
      .set('Accept', 'application/ld+json, application/json')
      .end(function(err, res) {
        if (err) {
          reject(err);
	}
	var redirectsActualString = JSON.stringify(res.redirects);
	var redirectsExpectedString = JSON.stringify(redirectsExpected);
	if (redirectsActualString !== redirectsExpectedString) {
	  var message = 'Incorrect redirects value for ' + url + '\n' +
		'Expected: ' + redirectsExpectedString + '\n' +
		'Actual: ' + redirectsActualString;
	  var err = new Error(message);
          reject(err);
	} else {
	  resolve();
	}
      });
  });
}

function runNoRedirects(input) {
  return runSuperagent(
      'http://json-ld.org/test-suite/tests/remote-doc-0001-in.jsonld',
      []);
}

var runWithRedirectsList = [
  function(input) {
    return runSuperagent(
      'http://json-ld.org/test-suite/tests/remote-doc-0005-in.jsonld',
      ['http://json-ld.org/test-suite/tests/remote-doc-0001-in.jsonld']);
  },
  function(input) {
    return runSuperagent(
      'http://json-ld.org/test-suite/tests/remote-doc-0006-in.jsonld',
      ['http://json-ld.org/test-suite/tests/remote-doc-0001-in.jsonld']);
  }
];

// each of the following fails with superagent-cache
// but not just with superagent alone

// Uncomment them individually to test.

/*
runNoRedirects()
  .then(runWithRedirectsList[0])
  .then(runWithRedirectsList[0])
  .then(runWithRedirectsList[1])
  .catch(console.error);
//*/

/*
runNoRedirects()
  .then(runWithRedirectsList[0])
  .then(runWithRedirectsList[1])
  .then(runWithRedirectsList[0])
  .catch(console.error);
//*/

/*
runNoRedirects()
  .then(runWithRedirectsList[1])
  .then(runWithRedirectsList[0])
  .then(runWithRedirectsList[0])
  .catch(console.error);
//*/

/*
runWithRedirectsList[1]()
  .then(runNoRedirects)
  .then(runWithRedirectsList[0])
  .then(runWithRedirectsList[0])
  .catch(console.error);
//*/

/*
runWithRedirectsList[1]()
  .then(runWithRedirectsList[0])
  .then(runNoRedirects)
  .then(runWithRedirectsList[0])
  .catch(console.error);
//*/

/*
runWithRedirectsList[1]()
  .then(runWithRedirectsList[0])
  .then(runWithRedirectsList[0])
  .then(runNoRedirects)
  .catch(console.error);
//*/

//*
runWithRedirectsList[0]()
  .then(runWithRedirectsList[1])
  .then(runWithRedirectsList[0])
  .then(runNoRedirects)
  .catch(console.error);
//*/