1 from django.conf import settings

     2 from django.db import DEFAULT_DB_ALIAS

     3 

     4 # function that will pass a test.

     5 def pass_test(*args): return

     6 

     7 def no_backend(test_func, backend):

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

     9     if settings.DATABASES[DEFAULT_DB_ALIAS]['ENGINE'].rsplit('.')[-1] == backend:

    10         return pass_test

    11     else:

    12         return test_func

    13 

    14 # Decorators to disable entire test functions for specific

    15 # spatial backends.

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

    17 def no_postgis(func): return no_backend(func, 'postgis')

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

    19 def no_spatialite(func): return no_backend(func, 'spatialite')

    20 

    21 # Shortcut booleans to omit only portions of tests.

    22 _default_db = settings.DATABASES[DEFAULT_DB_ALIAS]['ENGINE'].rsplit('.')[-1]

    23 oracle  = _default_db == 'oracle'

    24 postgis = _default_db == 'postgis'

    25 mysql   = _default_db == 'mysql'

    26 spatialite = _default_db == 'spatialite'