Add helpers: shouldBeForbidden and shouldBeRejected

From strongloop-archive/loopback-testing#56

Author: LoicMahieu

lib/helpers.js

@@ -380,6 +380,33 @@ _it.shouldNotBeFound = function() {
   });
 }
 
+_it.shouldBeForbidden = function() {
+  it('should be forbidden', function() {
+    assert(this.res);
+      if (this.res.statusCode !== 403) {
+          console.log(this.res.body);
+      }
+    assert.equal(this.res.statusCode, 403);
+  });
+}
+
+_it.shouldBeRejected = function(statusCode) {
+  it('should be rejected' + (statusCode ? ' with status code ' + statusCode : ''), function() {
+    assert(this.res);
+    if (statusCode) {
+        if (this.res.statusCode !== statusCode) {
+            console.log(this.res.body);
+        }
+        expect(this.res.statusCode).to.equal(statusCode);
+    } else {
+        if (this.res.statusCode < 400 || this.res.statusCode > 499) {
+            console.log(this.res.body);
+        }
+        expect(this.res.statusCode).to.be.within(400, 499);
+    }
+  });
+}
+
 _it.shouldBeAllowedWhenCalledAnonymously =
 function(verb, url, data) {
   _describe.whenCalledAnonymously(verb, url, data, function() {

test/test.js

@@ -17,6 +17,8 @@ describe('helpers', function () {
     ['shouldBeAllowed',
      'shouldBeDenied',
      'shouldNotBeFound',
+     'shouldBeForbidden',
+     'shouldBeRejected',
      'shouldBeAllowedWhenCalledAnonymously',
      'shouldBeDeniedWhenCalledAnonymously',
      'shouldBeAllowedWhenCalledUnauthenticated',