added code for skipping tests if db doesnt exist

bob/db/replay/test.py

@@ -31,9 +31,27 @@ if sys.version_info[0] < 3: authenticate_str = authenticate_str.encode('utf8')
 enroll_str = 'enroll'
 if sys.version_info[0] < 3: enroll_str = enroll_str.encode('utf8')
 
+def db_available(test):
+  """Decorator for detecting if OpenCV/Python bindings are available"""
+  from bob.io.base.test_utils import datafile
+  from nose.plugins.skip import SkipTest
+  import functools
+
+  @functools.wraps(test)
+  def wrapper(*args, **kwargs):
+    dbfile = datafile("db.sql3", __name__, None)
+    if os.path.exists(dbfile):
+      return test(*args, **kwargs)
+    else:
+      raise SkipTest("The database file '%s' is not available; did you forget to run 'bob_dbmanage.py %s create' ?" % (dbfile, 'replay'))
+
+  return wrapper
+
+
 class ReplayDatabaseTest(unittest.TestCase):
   """Performs various tests on the replay attack database."""
 
+  @db_available
   def test01_queryRealAccesses(self):
 
     db = Database()
@@ -57,6 +75,7 @@ class ReplayDatabaseTest(unittest.TestCase):
     s = set(train + dev + test)
     self.assertEqual(len(s), 200)
 
+  @db_available
   def queryAttackType(self, protocol, N):
 
     db = Database()
@@ -80,30 +99,37 @@ class ReplayDatabaseTest(unittest.TestCase):
     s = set(train + dev + test)
     self.assertEqual(len(s), N)
 
+  @db_available
   def test02_queryAttacks(self):
 
     self.queryAttackType('grandtest', 1000)
 
+  @db_available
   def test03_queryPrintAttacks(self):
 
     self.queryAttackType('print', 200)
 
+  @db_available
   def test04_queryMobileAttacks(self):
 
     self.queryAttackType('mobile', 400)
 
+  @db_available
   def test05_queryHighDefAttacks(self):
 
     self.queryAttackType('highdef', 400)
 
+  @db_available
   def test06_queryPhotoAttacks(self):
 
     self.queryAttackType('photo', 600)
 
+  @db_available
   def test07_queryVideoAttacks(self):
 
     self.queryAttackType('video', 400)
     
+  @db_available  
   def test08_queryEnrollments(self):
 
     db = Database()
@@ -112,6 +138,7 @@ class ReplayDatabaseTest(unittest.TestCase):
     for v in f:
       self.assertEqual(v.get_realaccess().purpose, enroll_str)
 
+  @db_available
   def test09_queryClients(self):
 
     db = Database()
@@ -126,66 +153,79 @@ class ReplayDatabaseTest(unittest.TestCase):
     self.assertTrue(db.has_client_id(119))
     self.assertFalse(db.has_client_id(120))
 
+  @db_available
   def test10_queryfacefile(self):
 
     db = Database()
     o = db.objects(clients=(1,))[0]
     o.facefile()
 
+  @db_available
   def test11_manage_files(self):
 
     from bob.db.base.script.dbmanage import main
 
     self.assertEqual(main('replay files'.split()), 0)
 
+  @db_available
   def test12_manage_dumplist_1(self):
 
     from bob.db.base.script.dbmanage import main
 
     self.assertEqual(main('replay dumplist --self-test'.split()), 0)
 
+  @db_available
   def test13_manage_dumplist_2(self):
 
     from bob.db.base.script.dbmanage import main
 
     self.assertEqual(main('replay dumplist --class=attack --group=devel --support=hand --protocol=highdef --self-test'.split()), 0)
 
+  @db_available
   def test14_manage_dumplist_client(self):
 
     from bob.db.base.script.dbmanage import main
 
     self.assertEqual(main('replay dumplist --client=117 --self-test'.split()), 0)
 
+  @db_available
   def test15_manage_checkfiles(self):
 
     from bob.db.base.script.dbmanage import main
 
     self.assertEqual(main('replay checkfiles --self-test'.split()), 0)
     
+  @db_available  
   def test16_queryPrintVideoAttacks(self):
 
     self.queryAttackType(('print','video'), 600)  
-    
+   
+  @db_available 
   def test17_queryPrintVideoAttacks(self):
 
     self.queryAttackType(('print','photo'), 600)
     
+  @db_available 
   def test18_queryPrintVideoAttacks(self):
 
     self.queryAttackType(('highdef','print'), 600)
         
+  @db_available 
   def test19_queryPrintVideoAttacks(self):
 
     self.queryAttackType(('highdef','video'), 600)
       
+  @db_available 
   def test20_queryPrintVideoAttacks(self):
 
     self.queryAttackType(('highdef','mobile','print'), 1000)  
     
+  @db_available 
   def test21_queryDigitalPhotoAttacks(self):
   
     self.queryAttackType('digitalphoto', 400)      
     
+  @db_available 
   def test22_queryPrintVideoAttacks(self):
 
     self.queryAttackType(('digitalphoto','photo'), 600)