diff options
Diffstat (limited to 'coverage/report.py')
| -rw-r--r-- | coverage/report.py | 5 |
1 files changed, 4 insertions, 1 deletions
diff --git a/coverage/report.py b/coverage/report.py index 7f3e3e02..c2215521 100644 --- a/coverage/report.py +++ b/coverage/report.py @@ -2,7 +2,7 @@ import os from coverage.codeunit import code_unit_factory -from coverage.misc import NoSource +from coverage.misc import CoverageException, NoSource class Reporter(object): """A base class for all reporters.""" @@ -45,6 +45,9 @@ class Reporter(object): """ self.find_code_units(morfs, omit_prefixes) + if not self.code_units: + raise CoverageException("No data to report.") + self.directory = directory if self.directory and not os.path.exists(self.directory): os.makedirs(self.directory) |