`read_configuration` now chdirs and tests for file.

1 files changed, 5 insertions, 1 deletions

diff --git a/setuptools/tests/test_config.py b/setuptools/tests/test_config.py
index 2e8510be..21487720 100644
--- a/setuptools/tests/test_config.py
+++ b/setuptools/tests/test_config.py
@@ -1,6 +1,6 @@
 import contextlib
 import pytest
-from distutils.errors import DistutilsOptionError
+from distutils.errors import DistutilsOptionError, DistutilsFileError
 from setuptools.dist import Distribution
 from setuptools.config import ConfigHandler, read_configuration
 
@@ -69,6 +69,10 @@ class TestConfigurationReader:
         assert config_dict['metadata']['keywords'] == ['one', 'two']
         assert config_dict['options']['scripts'] == ['bin/a.py', 'bin/b.py']
 
+    def test_no_config(self, tmpdir):
+        with pytest.raises(DistutilsFileError):
+            read_configuration('%s' % tmpdir.join('setup.cfg'))
+
 
 class TestMetadata: