A failure during XML reporting would leave an empty XML file behind. #210

1 files changed, 9 insertions, 2 deletions

diff --git a/test/test_xml.py b/test/test_xml.py
index ba17d43..c7205a5 100644
--- a/test/test_xml.py
+++ b/test/test_xml.py
@@ -8,22 +8,29 @@ from coveragetest import CoverageTest
 class XmlReportTest(CoverageTest):
     """Tests of the XML reports from coverage.py."""
 
-    def setUp(self):
-        super(XmlReportTest, self).setUp()
+    def run_mycode(self):
+        """Run mycode.py, so we can report on it."""
         self.make_file("mycode.py", "print('hello')\n")
         self.run_command("coverage run mycode.py")
 
     def test_default_file_placement(self):
+        self.run_mycode()
         self.run_command("coverage xml")
         self.assert_exists("coverage.xml")
 
     def test_argument_affects_xml_placement(self):
+        self.run_mycode()
         self.run_command("coverage xml -o put_it_there.xml")
         self.assert_doesnt_exist("coverage.xml")
         self.assert_exists("put_it_there.xml")
 
     def test_config_affects_xml_placement(self):
+        self.run_mycode()
         self.make_file(".coveragerc", "[xml]\noutput = xml.out\n")
         self.run_command("coverage xml")
         self.assert_doesnt_exist("coverage.xml")
         self.assert_exists("xml.out")
+
+    def test_no_data(self):
+        self.run_command("coverage xml")
+        self.assert_doesnt_exist("coverage.xml")