From fa6a32aa2c63b5a87bdd0f6caf41f68a3aa1d754 Mon Sep 17 00:00:00 2001
From: Tres Seaver <tseaver@palladion.com>
Date: Thu, 10 Sep 2015 16:56:57 -0400
Subject: [PATCH] Use a unique dataset ID for each run of BQ system tests.

---
 system_tests/bigquery.py | 11 +----------
 1 file changed, 1 insertion(+), 10 deletions(-)

diff --git a/system_tests/bigquery.py b/system_tests/bigquery.py
index 1ae32c36bdf5..06db634346cc 100644
--- a/system_tests/bigquery.py
+++ b/system_tests/bigquery.py
@@ -24,6 +24,7 @@
 
 _helpers.PROJECT = TESTS_PROJECT
 CLIENT = bigquery.Client()
+DATASET_NAME = 'system_tests_%012d' % (1000 * time.time(),)
 
 
 class TestBigQuery(unittest2.TestCase):
@@ -36,7 +37,6 @@ def tearDown(self):
             doomed.delete()
 
     def test_create_dataset(self):
-        DATASET_NAME = 'system_tests'
         dataset = CLIENT.dataset(DATASET_NAME)
         self.assertFalse(dataset.exists())
         dataset.create()
@@ -45,7 +45,6 @@ def test_create_dataset(self):
         self.assertEqual(dataset.name, DATASET_NAME)
 
     def test_reload_dataset(self):
-        DATASET_NAME = 'system_tests'
         dataset = CLIENT.dataset(DATASET_NAME)
         dataset.friendly_name = 'Friendly'
         dataset.description = 'Description'
@@ -57,7 +56,6 @@ def test_reload_dataset(self):
         self.assertEqual(other.description, 'Description')
 
     def test_patch_dataset(self):
-        DATASET_NAME = 'system_tests'
         dataset = CLIENT.dataset(DATASET_NAME)
         self.assertFalse(dataset.exists())
         dataset.create()
@@ -70,7 +68,6 @@ def test_patch_dataset(self):
         self.assertEqual(dataset.description, 'Description')
 
     def test_update_dataset(self):
-        DATASET_NAME = 'system_tests'
         dataset = CLIENT.dataset(DATASET_NAME)
         self.assertFalse(dataset.exists())
         dataset.create()
@@ -106,7 +103,6 @@ def test_list_datasets(self):
         self.assertEqual(len(created), len(datasets_to_create))
 
     def test_create_table(self):
-        DATASET_NAME = 'system_tests'
         dataset = CLIENT.dataset(DATASET_NAME)
         self.assertFalse(dataset.exists())
         dataset.create()
@@ -124,7 +120,6 @@ def test_create_table(self):
         self.assertTrue(table._dataset is dataset)
 
     def test_list_tables(self):
-        DATASET_NAME = 'system_tests'
         dataset = CLIENT.dataset(DATASET_NAME)
         self.assertFalse(dataset.exists())
         dataset.create()
@@ -151,7 +146,6 @@ def test_list_tables(self):
         self.assertEqual(len(created), len(tables_to_create))
 
     def test_patch_table(self):
-        DATASET_NAME = 'system_tests'
         dataset = CLIENT.dataset(DATASET_NAME)
         self.assertFalse(dataset.exists())
         dataset.create()
@@ -172,7 +166,6 @@ def test_patch_table(self):
         self.assertEqual(table.description, 'Description')
 
     def test_update_table(self):
-        DATASET_NAME = 'system_tests'
         dataset = CLIENT.dataset(DATASET_NAME)
         self.assertFalse(dataset.exists())
         dataset.create()
@@ -205,7 +198,6 @@ def test_load_table_then_dump_table(self):
             ('Bhettye Rhubble', 27),
         ]
         ROW_IDS = range(len(ROWS))
-        DATASET_NAME = 'system_tests'
         dataset = CLIENT.dataset(DATASET_NAME)
         self.assertFalse(dataset.exists())
         dataset.create()
@@ -252,7 +244,6 @@ def test_load_table_from_storage_then_dump_table(self):
             ('Wylma Phlyntstone', 29),
             ('Bhettye Rhubble', 27),
         ]
-        DATASET_NAME = 'system_tests'
         TABLE_NAME = 'test_table'
 
         s_client = StorageClient()