1 files changed, 34 insertions, 1 deletions
diff --git a/tests/conftest.py b/tests/conftest.py
index 28dbd6ed4..9fb06edab 100644
--- a/tests/conftest.py
+++ b/tests/conftest.py
@@ -3,18 +3,51 @@
     pytest config for sphinx/tests
     ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
 
-    :copyright: Copyright 2007-2017 by the Sphinx team, see AUTHORS.
+    :copyright: Copyright 2007-2018 by the Sphinx team, see AUTHORS.
     :license: BSD, see LICENSE for details.
 """
 
 import os
+import shutil
+import sys
+import warnings
 
 import pytest
 from sphinx.testing.path import path
 
 pytest_plugins = 'sphinx.testing.fixtures'
 
+# Exclude 'roots' dirs for pytest test collector
+collect_ignore = ['roots']
+
+# Disable Python version-specific
+if sys.version_info < (3, 5):
+    collect_ignore += ['py35']
+
 
 @pytest.fixture(scope='session')
 def rootdir():
     return path(os.path.dirname(__file__) or '.').abspath() / 'roots'
+
+
+def pytest_report_header(config):
+    return 'Running Sphinx test suite (with Python %s)...' % (
+        sys.version.split()[0])
+
+
+def _initialize_test_directory(session):
+    testroot = os.path.join(str(session.config.rootdir), 'tests')
+    tempdir = os.path.abspath(os.getenv('SPHINX_TEST_TEMPDIR',
+                              os.path.join(testroot, 'build')))
+    os.environ['SPHINX_TEST_TEMPDIR'] = tempdir
+
+    print('Temporary files will be placed in %s.' % tempdir)
+
+    if os.path.exists(tempdir):
+        shutil.rmtree(tempdir)
+
+    os.makedirs(tempdir)
+
+
+def pytest_sessionstart(session):
+    _initialize_test_directory(session)