diff options
Diffstat (limited to 'rest_framework/test.py')
| -rw-r--r-- | rest_framework/test.py | 7 |
1 files changed, 4 insertions, 3 deletions
diff --git a/rest_framework/test.py b/rest_framework/test.py index d4ec50a0..9242cf7c 100644 --- a/rest_framework/test.py +++ b/rest_framework/test.py @@ -49,9 +49,10 @@ class APIRequestFactory(DjangoRequestFactory): else: format = format or self.default_format - assert format in self.renderer_classes, ("Invalid format '{0}'. " - "Available formats are {1}. Set TEST_REQUEST_RENDERER_CLASSES " - "to enable extra request formats.".format( + assert format in self.renderer_classes, ( + "Invalid format '{0}'. Available formats are {1}. " + "Set TEST_REQUEST_RENDERER_CLASSES to enable " + "extra request formats.".format( format, ', '.join(["'" + fmt + "'" for fmt in self.renderer_classes.keys()]) ) |