/django/contrib/gis/tests/utils.py

 1from django.conf import settings
 2from django.db import DEFAULT_DB_ALIAS
 3
 4# function that will pass a test.
 5def pass_test(*args): return
 6
 7def 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.
16def no_oracle(func): return no_backend(func, 'oracle')
17def no_postgis(func): return no_backend(func, 'postgis')
18def no_mysql(func): return no_backend(func, 'mysql')
19def 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]
23oracle  = _default_db == 'oracle'
24postgis = _default_db == 'postgis'
25mysql   = _default_db == 'mysql'
26spatialite = _default_db == 'spatialite'