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-rw-r--r--coverage/html.py3
-rw-r--r--coverage/summary.py3
2 files changed, 3 insertions, 3 deletions
diff --git a/coverage/html.py b/coverage/html.py
index 9148f422..da23935d 100644
--- a/coverage/html.py
+++ b/coverage/html.py
@@ -126,8 +126,7 @@ class HtmlReporter(Reporter):
self.index_file()
self.make_local_static_report_files()
-
- return self.totals.pc_covered
+ return self.totals.n_statements and self.totals.pc_covered
def make_local_static_report_files(self):
"""Make local instances of static files for HTML report."""
diff --git a/coverage/summary.py b/coverage/summary.py
index aed83350..20123ea1 100644
--- a/coverage/summary.py
+++ b/coverage/summary.py
@@ -98,5 +98,6 @@ class SummaryReporter(Reporter):
if self.config.show_missing:
args += ("",)
outfile.write(fmt_coverage % args)
-
+ if not total.n_files:
+ raise CoverageException("No data to report.")
return total.n_statements and total.pc_covered