From 63fa48bd836c8268e48108592987b63abdaef5d0 Mon Sep 17 00:00:00 2001
From: Christian Poessinger <christian@poessinger.com>
Date: Sat, 16 Feb 2019 15:31:28 +0100
Subject: hostname: additional test case fixes

---
 src/conf_mode/host_name.py  | 11 +++++------
 src/tests/test_host_name.py | 21 +++++++++++++--------
 2 files changed, 18 insertions(+), 14 deletions(-)

diff --git a/src/conf_mode/host_name.py b/src/conf_mode/host_name.py
index 4b6ce76b0..0f8d3b719 100755
--- a/src/conf_mode/host_name.py
+++ b/src/conf_mode/host_name.py
@@ -35,7 +35,6 @@ config_file_hosts = '/etc/hosts'
 config_file_resolv = '/etc/resolv.conf'
 
 config_tmpl_hosts = """
-### Autogenerated by host_name.py ###
 127.0.0.1       localhost {{ hostname }}{% if domain_name %}.{{ domain_name }}{% endif %}
 
 # The following lines are desirable for IPv6 capable hosts
@@ -85,7 +84,6 @@ default_config_data = {
 }
 
 def get_config():
-    """Get configuration"""
     conf = Config()
     hosts = copy.deepcopy(default_config_data)
 
@@ -102,8 +100,8 @@ def get_config():
     return hosts
 
 def verify(config):
-    """Verify configuration"""
-    # check for invalid host
+    if config is None:
+        return None
 
     # pattern $VAR(@) "^[[:alnum:]][-.[:alnum:]]*[[:alnum:]]$" ; "invalid host name $VAR(@)"
     hostname_regex = re.compile("^[A-Za-z0-9][-.A-Za-z0-9]*[A-Za-z0-9]$")
@@ -128,7 +126,6 @@ def verify(config):
     return None
 
 def generate(config):
-    """Generate configuration files"""
     if config is None:
         return None
 
@@ -158,7 +155,9 @@ def generate(config):
     return None
 
 def apply(config):
-    """Apply configuration"""
+    if config is None:
+        return None
+
     fqdn = config['hostname']
     if config['domain_name']:
         fqdn += '.' + config['domain_name']
diff --git a/src/tests/test_host_name.py b/src/tests/test_host_name.py
index 865a69ee6..64096703d 100644
--- a/src/tests/test_host_name.py
+++ b/src/tests/test_host_name.py
@@ -19,6 +19,7 @@
 import os
 import tempfile
 import unittest
+import textwrap
 from unittest import TestCase, mock
 
 from vyos import ConfigError
@@ -86,30 +87,34 @@ class TestHostName(TestCase):
             {'name': 'has_old_entry',
              'has_old_entry': True,
              'config': {"hostname": 'router', "domain_name": 'localdomain', "domain_search": '', "no_dhcp_ns": False, "nameserver": []},
-             'expected': ['127.0.1.1', 'router.localdomain']},
+             'expected': ['127.0.0.1', 'localhost']
+            },
             {'name': 'no_old_entry',
              'has_old_entry': False,
              'config': {"hostname": 'router', "domain_name": 'localdomain', "domain_search": 'vyos.io', "no_dhcp_ns": False, "nameserver": []},
-             'expected': ['127.0.1.1', 'router.localdomain']},
+             'expected': ['127.0.0.1', 'localhost']
+            },
         ]
         for t in tests:
             with self.subTest(msg=t['name'], config=t['config'], has_old_entry=t['has_old_entry'],  expected=t['expected']):
                 m = mock.MagicMock(return_value=b'debian')
                 with mock.patch('subprocess.check_output', m):
-                    host_name.hosts_file = tempfile.mkstemp()[1]
+                    host_name.config_file_hosts = tempfile.mkstemp()[1]
+                    host_name.config_file_resolv = tempfile.mkstemp()[1]
                     if t['has_old_entry']:
-                        with open(host_name.hosts_file, 'w') as f:
+                        with open(host_name.config_file_hosts, 'w') as f:
                             f.writelines(['\n127.0.1.1 {} # VyOS entry'.format('debian')])
                     host_name.generate(t['config'])
                     if len(t['expected']) > 0:
-                        self.assertTrue(os.path.isfile(host_name.hosts_file))
-                        with open(host_name.hosts_file) as f:
+                        self.assertTrue(os.path.isfile(host_name.config_file_hosts))
+                        with open(host_name.config_file_hosts ) as f:
                             actual = f.read()
                             self.assertEqual(
                                 t['expected'], actual.splitlines()[1].split()[0:2])
-                        os.remove(host_name.hosts_file)
+                        os.remove(host_name.config_file_hosts )
+                        os.remove(host_name.config_file_resolv)
                     else:
-                        self.assertFalse(os.path.isfile(host_name.hosts_file))
+                        self.assertFalse(os.path.isfile(host_name.config_file_hosts ))
 
 
     def test_apply(self):
-- 
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