Merge pull request #1014 from efiop/master

test: improve test coverage

dvc/prompt.py

@@ -7,7 +7,7 @@ except NameError:
     pass
 
 
-def prompt(msg, default=False):
+def prompt(msg, default=False):  # pragma: no cover
     if not sys.stdout.isatty():
         return default
 

tests/test_run.py

@@ -5,6 +5,7 @@ from dvc.main import main
 from dvc.utils import file_md5
 from dvc.stage import Stage
 from dvc.command.run import CmdRun
+from dvc.exceptions import OutputDuplicationError
 
 from tests.basic_env import TestDvc
 
@@ -35,6 +36,14 @@ class TestRun(TestDvc):
         self.assertEqual(stage.outs[0].md5, file_md5(self.FOO)[0])  
         self.assertTrue(stage.path, fname)
 
+        with self.assertRaises(OutputDuplicationError):
+            stage = self.dvc.run(cmd=cmd,
+                                 deps=deps,
+                                 outs=outs,
+                                 outs_no_cache=outs_no_cache,
+                                 fname='duplicate' + fname,
+                                 cwd=cwd)
+
 
 class TestRunEmpty(TestDvc):
     def test(self):