Report errors finding source files to execute more nicely. Fixes issue #23.

2 files changed, 9 insertions, 0 deletions

diff --git a/test/test_coverage.py b/test/test_coverage.py
index 92aef08..4225c46 100644
--- a/test/test_coverage.py
+++ b/test/test_coverage.py
@@ -1748,6 +1748,12 @@ class ProcessTest(CoverageTest):
         self.assert_matches(out, "No source for code: '.*fleeting'")
         self.assert_("Traceback" not in out)
 
+    def test_running_missing_file(self):
+        out = self.run_command("coverage run xyzzy.py")
+        self.assert_matches(out, "No file to run: .*xyzzy.py")
+        self.assert_("Traceback" not in out)
+
+
 class RecursionTest(CoverageTest):
     """Check what happens when recursive code gets near limits."""
 
diff --git a/test/test_execfile.py b/test/test_execfile.py
index 1dde705..5e9f4fd 100644
--- a/test/test_execfile.py
+++ b/test/test_execfile.py
@@ -3,6 +3,7 @@
 import os, sys
 
 from coverage.execfile import run_python_file
+from coverage.misc import NoSource
 
 sys.path.insert(0, os.path.split(__file__)[0]) # Force relative import for Py3k
 from coveragetest import CoverageTest
@@ -59,3 +60,5 @@ class RunTest(CoverageTest):
             run_python_file('nl.py', ['nl.py'])
         self.assertEqual(self.stdout(), "Hello, world!\n"*3)
 
+    def test_no_such_file(self):
+        self.assertRaises(NoSource, run_python_file, "xyzzy.py", [])