Support embedded regular expressions.

lib/test.js

@@ -6,7 +6,7 @@ var request = require('superagent');
 var util = require('util');
 var http = require('http');
 var https = require('https');
-var assert = require('assert');
+var deepMatch = require('deep-equal-with-regex');
 var Request = request.Request;
 
 /**
@@ -197,9 +197,7 @@ Test.prototype._assertBody = function(body, res) {
 
   // parsed
   if (typeof body === 'object' && !isregexp) {
-    try {
-      assert.deepStrictEqual(body, res.body);
-    } catch (err) {
+    if (!deepMatch(body, res.body, { regex: true })) {
       a = util.inspect(body);
       b = util.inspect(res.body);
       return error('expected ' + a + ' response body, got ' + b, body, res.body);

package.json

@@ -33,7 +33,8 @@
   },
   "dependencies": {
     "methods": "^1.1.2",
-    "superagent": "^3.8.3"
+    "superagent": "^3.8.3",
+    "deep-equal-with-regex": "^1.3.0"
   },
   "devDependencies": {
     "body-parser": "^1.18.3",

test/supertest.js

@@ -544,6 +544,28 @@ describe('request(app)', function () {
         });
     });
 
+    it('should support embedded regular expressions', function (done) {
+      const app = express();
+
+      app.set('json spaces', 0);
+
+      app.get('/', function(req, res) {
+        res.send({ foo: 'bar' });
+      });
+
+      request(app)
+      .get('/')
+      .expect({ foo: /baz/ })
+      .end(function(err, res) {
+        err.message.should.equal('expected { foo: /baz/ } response body, got { foo: \'bar\' }');
+
+        request(app)
+        .get('/')
+        .expect({ foo: /bar/ })
+        .end(done);
+      });
+    });
+
     it('should assert response body multiple times', function (done) {
       const app = express();