From 1b8507636bf998887f8b1f3c09d141ccf4297aac Mon Sep 17 00:00:00 2001
From: alwaysjolley <chris@alwaysjolley.com>
Date: Wed, 3 Jun 2020 12:49:55 -0400
Subject: [PATCH] fixing quotes, no escape characters in tests, fixed anchors

---
 lemur/dns_providers/util.py       |  2 +-
 lemur/tests/test_dns_providers.py | 34 +++++++++++++++----------------
 2 files changed, 18 insertions(+), 18 deletions(-)

diff --git a/lemur/dns_providers/util.py b/lemur/dns_providers/util.py
index fc930eb3..d7140661 100644
--- a/lemur/dns_providers/util.py
+++ b/lemur/dns_providers/util.py
@@ -35,7 +35,7 @@ def is_valid_domain(domain):
         domain = domain[:-1]
     if len(domain) > 253:
         return False
-    fqdn_re = re.compile("(?=^.{1,63}$)(^(?:[a-z0-9](?:-*[a-z0-9])+)|[a-z0-9]$)", re.IGNORECASE)
+    fqdn_re = re.compile("(?=^.{1,63}$)(^(?:[a-z0-9](?:-*[a-z0-9])+)$|^[a-z0-9]$)", re.IGNORECASE)
     return all(fqdn_re.match(d) for d in domain.split("."))
 
 
diff --git a/lemur/tests/test_dns_providers.py b/lemur/tests/test_dns_providers.py
index 4b558dab..26679776 100644
--- a/lemur/tests/test_dns_providers.py
+++ b/lemur/tests/test_dns_providers.py
@@ -4,20 +4,20 @@ from lemur.dns_providers import util as dnsutil
 
 class TestDNSProvider(unittest.TestCase):
     def test_is_valid_domain(self):
-        self.assertTrue(dnsutil.is_valid_domain("example.com"))
-        self.assertTrue(dnsutil.is_valid_domain("foo.bar.org"))
-        self.assertTrue(dnsutil.is_valid_domain("exam--ple.io"))
-        self.assertTrue(dnsutil.is_valid_domain("a.example.com"))
-        self.assertTrue(dnsutil.is_valid_domain("example.io"))
-        self.assertTrue(dnsutil.is_valid_domain("example-of-under-63-character-domain-label-length-limit-1234567.com"))
-        self.assertFalse(dnsutil.is_valid_domain("example-of-over-63-character-domain-label-length-limit-123456789.com"))
-        self.assertFalse(dnsutil.is_valid_domain("_acme-chall.example.com"))
-        self.assertFalse(dnsutil.is_valid_domain("e/xample.com"))
-        self.assertFalse(dnsutil.is_valid_domain("exam\\ple.com"))
-        self.assertFalse(dnsutil.is_valid_domain("*.example.com"))
-        self.assertFalse(dnsutil.is_valid_domain("-example.io"))
-        self.assertFalse(dnsutil.is_valid_domain("example-.io"))
-        self.assertFalse(dnsutil.is_valid_domain("example..io"))
-        self.assertFalse(dnsutil.is_valid_domain("exa mple.io"))
-        self.assertFalse(dnsutil.is_valid_domain("-"))
-        self.assertFalse(dnsutil.is_valid_domain(""))
+        self.assertTrue(dnsutil.is_valid_domain('example.com'))
+        self.assertTrue(dnsutil.is_valid_domain('foo.bar.org'))
+        self.assertTrue(dnsutil.is_valid_domain('exam--ple.io'))
+        self.assertTrue(dnsutil.is_valid_domain('a.example.com'))
+        self.assertTrue(dnsutil.is_valid_domain('example.io'))
+        self.assertTrue(dnsutil.is_valid_domain('example-of-under-63-character-domain-label-length-limit-1234567.com'))
+        self.assertFalse(dnsutil.is_valid_domain('example-of-over-63-character-domain-label-length-limit-123456789.com'))
+        self.assertFalse(dnsutil.is_valid_domain('_acme-chall.example.com'))
+        self.assertFalse(dnsutil.is_valid_domain('e/xample.com'))
+        self.assertFalse(dnsutil.is_valid_domain('exam\ple.com'))
+        self.assertFalse(dnsutil.is_valid_domain('<example.com'))
+        self.assertFalse(dnsutil.is_valid_domain('*.example.com'))
+        self.assertFalse(dnsutil.is_valid_domain('-example.io'))
+        self.assertFalse(dnsutil.is_valid_domain('example-.io'))
+        self.assertFalse(dnsutil.is_valid_domain('example..io'))
+        self.assertFalse(dnsutil.is_valid_domain('exa mple.io'))
+        self.assertFalse(dnsutil.is_valid_domain('-'))