The 'source' option is a list of directories or packages to limit coverage's attention.

1 files changed, 5 insertions, 1 deletions

diff --git a/test/coveragetest.py b/test/coveragetest.py
index 9b85b034..f09afc1f 100644
--- a/test/coveragetest.py
+++ b/test/coveragetest.py
@@ -121,12 +121,14 @@ class CoverageTest(TestCase):
         """Return the data written to stderr during the test."""
         return self.captured_stderr.getvalue()
 
-    def make_file(self, filename, text):
+    def make_file(self, filename, text=""):
         """Create a temp file.
 
         `filename` is the path to the file, including directories if desired,
         and `text` is the content.
 
+        Returns the path to the file.
+
         """
         # Tests that call `make_file` should be run in a temp environment.
         assert self.run_in_temp_dir
@@ -142,6 +144,8 @@ class CoverageTest(TestCase):
         f.write(text)
         f.close()
 
+        return filename
+
     def import_module(self, modname):
         """Import the module named modname, and return the module object."""
         modfile = modname + '.py'