Add EmailValidator

tests/test_validators.py

@@ -14,6 +14,7 @@
     SetValidator,
     UniqueValidator,
     Validator,
+    EmailValidator,
     _stringify_set,
 )
 
@@ -52,12 +53,21 @@ def _raise_valueerror(x):
 def test_float_validator_works(field):
     FloatValidator().validate(field)
 
-
+    
 @pytest.mark.parametrize("field", [("foo"), (" "), ("7..0"), ("4,200")])
 def test_float_validator_fails(field):
     with pytest.raises(ValidationException):
         FloatValidator().validate(field)
-
+
+@pytest.mark.parametrize("field", [("adonis@mail.com"), ("nom@mail.co.ng")])
+def test_email_validator_works(field):
+    EmailValidator().validate(field)
+
+@pytest.mark.parametrize("field", [("adonis@@mail.com"), ("nom_mail.co.ng")])
+def test_email_validator_fails(field):
+    with pytest.raises(ValidationException):
+        EmailValidator().validate(field)
+
 
 @pytest.mark.parametrize("field", [("42")])
 def test_int_validator_works(field):

vladiate/validators.py

@@ -203,6 +203,20 @@ def validate(self, field, row={}):
     def bad(self):
         return self.failed
 
+
+class EmailValidator(Validator):
+    email = None
+    _email_regex = '[a-zA-Z0-9_.+-]+@[a-zA-Z0-9-]+\.[a-zA-Z0-9-.]+'
+
+    def validate(self, field, row):
+        self.email = field
+        if not bool(re.match(self._email_regex, field)):
+            raise ValidationException(' {} is not a valid email'.format(field))
+
+    @property
+    def bad(self):
+        return self.email
+
 
 class Ignore(Validator):
     """ Ignore a given field. Never fails """