Written tests for contains, in_array and getDomainFromUrl.

tests/helpers/contains.spec.js

@@ -7,4 +7,18 @@ describe('contains', function() {
     it('should be a function', function() {
         expect(contains).to.be.a('function');
     });
+
+    it('should find the line and return true', function() {
+
+        var list = ".app\ntest.com";
+
+        expect(contains('.app', list)).to.equal(true);
+    });
+
+    it('should not find the line and it should return false', function() {
+
+        var list = ".app\ntest.com";
+
+        expect(contains('.app2', list)).to.equal(false);
+    });
 });