1 from django.conf import settings

     2 

     3 # function that will pass a test.

     4 def pass_test(*args): return

     5 

     6 def no_backend(test_func, backend):

     7     "Use this decorator to disable test on specified backend."

     8     if settings.DATABASE_ENGINE == backend:

     9         return pass_test

    10     else:

    11         return test_func

    12 

    13 # Decorators to disable entire test functions for specific

    14 # spatial backends.

    15 def no_oracle(func): return no_backend(func, 'oracle')

    16 def no_postgis(func): return no_backend(func, 'postgresql_psycopg2')

    17 def no_mysql(func): return no_backend(func, 'mysql')

    18 

    19 # Shortcut booleans to omit only portions of tests.

    20 oracle  = settings.DATABASE_ENGINE == 'oracle'

    21 postgis = settings.DATABASE_ENGINE == 'postgresql_psycopg2' 

    22 mysql   = settings.DATABASE_ENGINE == 'mysql'