fix: filtering by regex (#1089)

lib/match_body.js

@@ -10,12 +10,19 @@ function matchBody(spec, body) {
   if (typeof spec === 'undefined') {
     return true;
   }
+
   var options = this || {};
 
   if (Buffer.isBuffer(body)) {
     body = body.toString();
   }
 
+  if (spec instanceof RegExp) {
+    if (typeof body === "string") {
+      return body.match(spec);
+    }
+  }
+
   if (Buffer.isBuffer(spec)) {
     if (common.isBinaryBuffer(spec)) {
       spec = spec.toString('hex');
@@ -54,14 +61,6 @@ function matchBody(spec, body) {
     body = body.replace(/\r?\n|\r/g, '');
   }
 
-  if (spec instanceof RegExp) {
-    if (typeof body === "string") {
-      return body.match(spec);
-    } else {
-      return qs.stringify(body).match(spec);
-    }
-  }
-
   if (!isMultipart && typeof spec === "string") {
     spec = spec.replace(/\r?\n|\r/g, '');
   }

tests/test_body_match.js

@@ -26,6 +26,7 @@ test('match body is regex trying to match string', function (t) {
   });
 
 });
+
 test('match body with regex', function (t) {
 
   nock('http://encodingsareus.com')
@@ -48,6 +49,28 @@ test('match body with regex', function (t) {
 
 });
 
+test('match body (with space character) with regex', function (t) {
+
+  nock('http://encodingsareus.com')
+    .post('/', /a bc/)
+    .reply(200);
+
+  mikealRequest({
+    url: 'http://encodingsareus.com/',
+    method: 'post',
+    json: {
+      auth: {
+        passwd: 'a bc'
+      }
+    },
+  }, function(err, res) {
+    if (err) throw err;
+    assert.equal(res.statusCode, 200);
+    t.end();
+  });
+
+});
+
 test('match body with regex inside array', function (t) {
 
   nock('http://encodingsareus.com')