Adapt to change in superagent lib (#68)

Author: bmancini42

package.json

@@ -15,7 +15,7 @@
     "url": "https://github.com/M6Web/superagent-mock"
   },
   "peerDependencies": {
-    "superagent": "^3.5.2"
+    "superagent": "^3.6.0"
   },
   "devDependencies": {
     "babel-cli": "^6.24.1",
@@ -25,7 +25,7 @@
     "eslint": "^3.19.0",
     "jest": "20.0.3",
     "rimraf": "^2.6.1",
-    "superagent": "^3.5.2"
+    "superagent": "^3.6.0"
   },
   "scripts": {
     "clean": "rimraf lib es",

src/superagent-mock.js

@@ -86,17 +86,28 @@ module.exports = function (superagent, config, logger) {
     const isNodeServer = this.hasOwnProperty('cookies');
     let response = {};
 
-    if (isNodeServer) { // node server
-      const originalPath = this.path;
-      this.path = this.url;
-      this._appendQueryString(this); // use superagent implementation of adding the query
-      path = this.path; // save the url together with the query
-      this.path = originalPath; // reverse the addition of query to path by _appendQueryString
-    } else { // client
+    if (this._finalizeQueryString) {
+      // superagent 3.6+
+
       const originalUrl = this.url;
-      this._appendQueryString(this); // use superagent implementation of adding the query
-      path = this.url; // save the url together with the query
-      this.url = originalUrl; // reverse the addition of query to url by _appendQueryString
+      isNodeServer ? this.request() : this._finalizeQueryString(this);
+      path = this.url;
+      this.url = originalUrl;
+    } else {
+      // superagent < 3.6
+
+      if (isNodeServer) { // node server
+        const originalPath = this.path;
+        this.path = this.url;
+        this._appendQueryString(this); // use superagent implementation of adding the query
+        path = this.path; // save the url together with the query
+        this.path = originalPath; // reverse the addition of query to path by _appendQueryString
+      } else { // client
+        const originalUrl = this.url;
+        this._appendQueryString(this); // use superagent implementation of adding the query
+        path = this.url; // save the url together with the query
+        this.url = originalUrl; // reverse the addition of query to url by _appendQueryString
+      }
     }
 
     // Attempt to match path against the patterns in fixtures