Make safe_create_table() is usable from many tests.

pymysql/tests/base.py

@@ -50,23 +50,20 @@ class PyMySQLTestCase(unittest2.TestCase):
         for connection in self.connections:
             connection.close()
 
-    def safe_create_table(self, connection, tablename, ddl, cleanup=False):
+    def safe_create_table(self, connection, tablename, ddl, cleanup=True):
         """create a table.
 
-        Ensures any existing version of that table
-        is first dropped.
+        Ensures any existing version of that table is first dropped.
 
         Also adds a cleanup rule to drop the table after the test
         completes.
-
         """
-
         cursor = connection.cursor()
 
         with warnings.catch_warnings():
             warnings.simplefilter("ignore")
-            cursor.execute("drop table if exists test")
-        cursor.execute("create table test (data varchar(10))")
+            cursor.execute("drop table if exists `%s`" % (tablename,))
+        cursor.execute(ddl)
         cursor.close()
         if cleanup:
             self.addCleanup(self.drop_table, connection, tablename)
@@ -75,7 +72,7 @@ class PyMySQLTestCase(unittest2.TestCase):
         cursor = connection.cursor()
         with warnings.catch_warnings():
             warnings.simplefilter("ignore")
-            cursor.execute("drop table if exists %s" % tablename)
+            cursor.execute("drop table if exists `%s`" % (tablename,))
         cursor.close()
 
     def safe_gc_collect(self):

pymysql/tests/test_basic.py

@@ -227,14 +227,14 @@ class TestCursor(base.PyMySQLTestCase):
         """ test a single tuple """
         conn = self.connections[0]
         c = conn.cursor()
-        try:
-            c.execute("create table mystuff (id integer primary key)")
+        self.safe_create_table(
+            conn, 'mystuff',
+            "create table mystuff (id integer primary key)")
         c.execute("insert into mystuff (id) values (1)")
         c.execute("insert into mystuff (id) values (2)")
         c.execute("select id from mystuff where id in %s", ((1,),))
         self.assertEqual([(1,)], list(c.fetchall()))
-        finally:
-            c.execute("drop table mystuff")
+        c.close()
 
 
 class TestBulkInserts(base.PyMySQLTestCase):
@@ -247,11 +247,8 @@ class TestBulkInserts(base.PyMySQLTestCase):
         c = conn.cursor(self.cursor_type)
 
         # create a table ane some data to query
-        with warnings.catch_warnings():
-            warnings.simplefilter("ignore")
-            c.execute("drop table if exists bulkinsert")
-        c.execute(
-"""CREATE TABLE bulkinsert
+        self.safe_create_table(conn, 'bulkinsert', """\
+CREATE TABLE bulkinsert
 (
 id int(11),
 name char(20),

pymysql/tests/test_cursor.py

@@ -11,7 +11,7 @@ class CursorTest(base.PyMySQLTestCase):
         self.safe_create_table(
             conn,
             "test", "create table test (data varchar(10))",
-            cleanup=True)
+        )
         cursor = conn.cursor()
         cursor.execute(
             "insert into test (data) values "