Add checking enable-nls option in configure

tests/helpers/ptrack_helpers.py

@@ -101,6 +101,16 @@ def is_enterprise():
     else:
         return False
 
+def is_nls_enabled():
+    cmd = [os.environ['PG_CONFIG'], '--configure']
+
+    p = subprocess.Popen(
+        cmd,
+        stdout=subprocess.PIPE,
+        stderr=subprocess.PIPE
+    )
+    return b'enable-nls' in p.communicate()[0]
+
 
 class ProbackupException(Exception):
     def __init__(self, message, cmd):
@@ -147,6 +157,7 @@ def slow_start(self, replica=False):
 class ProbackupTest(object):
     # Class attributes
     enterprise = is_enterprise()
+    enable_nls = is_nls_enabled()
 
     def __init__(self, *args, **kwargs):
         super(ProbackupTest, self).__init__(*args, **kwargs)

tests/option.py

@@ -231,9 +231,13 @@ def test_options_5(self):
     # @unittest.skip("skip")
     def test_help_6(self):
         """help options"""
-        self.test_env['LC_ALL'] = 'ru_RU.utf-8'
-        with open(os.path.join(self.dir_path, "expected/option_help_ru.out"), "rb") as help_out:
-            self.assertEqual(
-                self.run_pb(["--help"]),
-                help_out.read().decode("utf-8")
-            )
+        if ProbackupTest.enable_nls:
+            self.test_env['LC_ALL'] = 'ru_RU.utf-8'
+            with open(os.path.join(self.dir_path, "expected/option_help_ru.out"), "rb") as help_out:
+                self.assertEqual(
+                    self.run_pb(["--help"]),
+                    help_out.read().decode("utf-8")
+                )
+        else:
+            return unittest.skip(
+                'You need configure PostgreSQL with --enabled-nls option for this test')