TESTS: Use Pretender in test mode for more flexible server responses

test/javascripts/helpers/create-pretender.js.es6

@@ -0,0 +1,52 @@
+/* global console */
+
+function parsePostData(query) {
+  var result = {};
+  query.split("&").forEach(function(part) {
+    var item = part.split("=");
+    result[item[0]] = decodeURIComponent(item[1]);
+  });
+  return result;
+}
+
+function json(code, obj) {
+  if (typeof code === "object") {
+    obj = code;
+    code = 200;
+  }
+  return [code, {"Content-Type": "application/json"}, JSON.stringify(obj)];
+}
+
+export default function() {
+  var server = new Pretender(function() {
+    this.post('/session', function(request) {
+      var data = parsePostData(request.requestBody);
+
+      if (data.password === 'correct') {
+        return json({username: 'eviltrout'});
+      }
+      return json(400, {error: 'invalid login'});
+    });
+
+    this.get('/users/hp.json', function() {
+      return json({"value":"32faff1b1ef1ac3","challenge":"61a3de0ccf086fb9604b76e884d75801"});
+    });
+
+    this.get('/users/check_username', function(request) {
+      if (request.queryParams.username === 'taken') {
+        return json({available: false, suggestion: 'nottaken'});
+      }
+      return json({available: true});
+    });
+
+    this.post('/users', function(request) {
+      return json({success: true});
+    });
+  });
+
+  server.unhandledRequest = function(verb, path) {
+    console.error('Unhandled request in test environment: ' + path + ' (' + verb + ')');
+  };
+
+  return server;
+}