1 files changed, 21 insertions, 89 deletions
diff --git a/setuptools/tests/test_test.py b/setuptools/tests/test_test.py
index 6bce8e20..530474d7 100644
--- a/setuptools/tests/test_test.py
+++ b/setuptools/tests/test_test.py
@@ -1,7 +1,5 @@
-from distutils import log
-import os
-
 import pytest
+from jaraco import path
 
 from setuptools.command.test import test
 from setuptools.dist import Distribution
@@ -9,100 +7,34 @@ from setuptools.dist import Distribution
 from .textwrap import DALS
 
 
-SETUP_PY = DALS(
-    """
-    from setuptools import setup
-
-    setup(name='foo',
-        packages=['name', 'name.space', 'name.space.tests'],
-        namespace_packages=['name'],
-        test_suite='name.space.tests.test_suite',
-    )
-    """
-)
-
-NS_INIT = DALS(
-    """
-    # -*- coding: Latin-1 -*-
-    # Söme Arbiträry Ünicode to test Distribute Issüé 310
-    try:
-        __import__('pkg_resources').declare_namespace(__name__)
-    except ImportError:
-        from pkgutil import extend_path
-        __path__ = extend_path(__path__, __name__)
-    """
-)
-
-TEST_PY = DALS(
-    """
-    import unittest
-
-    class TestTest(unittest.TestCase):
-        def test_test(self):
-            print "Foo" # Should fail under Python 3
-
-    test_suite = unittest.makeSuite(TestTest)
-    """
-)
-
-
-@pytest.fixture
-def sample_test(tmpdir_cwd):
-    os.makedirs('name/space/tests')
-
-    # setup.py
-    with open('setup.py', 'wt') as f:
-        f.write(SETUP_PY)
-
-    # name/__init__.py
-    with open('name/__init__.py', 'wb') as f:
-        f.write(NS_INIT.encode('Latin-1'))
-
-    # name/space/__init__.py
-    with open('name/space/__init__.py', 'wt') as f:
-        f.write('#empty\n')
-
-    # name/space/tests/__init__.py
-    with open('name/space/tests/__init__.py', 'wt') as f:
-        f.write(TEST_PY)
-
-
-@pytest.fixture
-def quiet_log():
-    # Running some of the other tests will automatically
-    # change the log level to info, messing our output.
-    log.set_verbosity(0)
-
-
-@pytest.mark.usefixtures('tmpdir_cwd', 'quiet_log')
+@pytest.mark.usefixtures('tmpdir_cwd')
 def test_tests_are_run_once(capfd):
     params = dict(
-        name='foo',
         packages=['dummy'],
     )
-    with open('setup.py', 'wt') as f:
-        f.write('from setuptools import setup; setup(\n')
-        for k, v in sorted(params.items()):
-            f.write('    %s=%r,\n' % (k, v))
-        f.write(')\n')
-    os.makedirs('dummy')
-    with open('dummy/__init__.py', 'wt'):
-        pass
-    with open('dummy/test_dummy.py', 'wt') as f:
-        f.write(
-            DALS(
+    files = {
+        'setup.py':
+            'from setuptools import setup; setup('
+            + ','.join(f'{name}={params[name]!r}' for name in params)
+            + ')',
+        'dummy': {
+            '__init__.py': '',
+            'test_dummy.py': DALS(
+                """
+                import unittest
+                class TestTest(unittest.TestCase):
+                    def test_test(self):
+                        print('Foo')
                 """
-            import unittest
-            class TestTest(unittest.TestCase):
-                def test_test(self):
-                    print('Foo')
-             """
-            )
-        )
+                ),
+            },
+    }
+    path.build(files)
     dist = Distribution(params)
     dist.script_name = 'setup.py'
     cmd = test(dist)
     cmd.ensure_finalized()
     cmd.run()
     out, err = capfd.readouterr()
-    assert out == 'Foo\n'
+    assert out.endswith('Foo\n')
+    assert len(out.split('Foo')) == 2