From ecab37694f7f9dd2ce929e7ba29e31e38ad20d39 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Fr=C3=A9d=C3=A9ric=20P=C3=A9ters?= <fpeters@entrouvert.com>
Date: Fri, 6 Dec 2019 13:23:35 +0100
Subject: [PATCH] tests: try multiple times to get a database name

---
 tests/utilities.py | 20 +++++++++++++++-----
 1 file changed, 15 insertions(+), 5 deletions(-)

diff --git a/tests/utilities.py b/tests/utilities.py
index b84d6facb..acd59fbca 100644
--- a/tests/utilities.py
+++ b/tests/utilities.py
@@ -145,11 +145,21 @@ def create_temporary_pub(sql_mode=False, templates_mode=False, lazy_mode=False):
     if sql_mode:
         conn = psycopg2.connect(user=os.environ['USER'])
         conn.set_isolation_level(psycopg2.extensions.ISOLATION_LEVEL_AUTOCOMMIT)
-        cur = conn.cursor()
-        dbname = 'wcstests%d' % random.randint(0, 100000)
-        known_elements.sql_db_name = dbname
-        cur.execute('CREATE DATABASE %s' % dbname)
-        cur.close()
+        i = 0
+        while True:
+            dbname = 'wcstests%d' % random.randint(0, 100000)
+            known_elements.sql_db_name = dbname
+            try:
+                cur = conn.cursor()
+                cur.execute('CREATE DATABASE %s' % dbname)
+                break
+            except psycopg2.Error as e:
+                if i < 5:
+                    i += 1
+                    continue
+                raise
+            finally:
+                cur.close()
 
         pub.cfg['postgresql'] = {'database': dbname, 'user': os.environ['USER']}
         pub.write_cfg()