Use pytest in matplotlib.test().

QuLogic · QuLogic · commit 9ee77a93e1e8 · 2017-01-24T03:55:15.000-05:00
diff --git a/lib/matplotlib/__init__.py b/lib/matplotlib/__init__.py
@@ -1474,10 +1474,10 @@ def _jupyter_nbextension_paths():
 
 
 default_test_modules = [
-    'matplotlib.tests.test_png',
-    'matplotlib.tests.test_units',
-    'matplotlib.tests.test_widgets',
-    ]
+    'matplotlib.tests',
+    'matplotlib.sphinxext.tests',
+    'mpl_toolkits.tests',
+]
 
 
 def _init_tests():
@@ -1511,19 +1511,45 @@ def _init_tests():
             )
         )
 
-    from .testing.nose import check_deps
-    check_deps()
+    try:
+        import pytest
+        try:
+            from unittest import mock
+        except ImportError:
+            import mock
+    except ImportError:
+        print("matplotlib.test requires pytest and mock to run.")
+        raise
 
 
-def test(verbosity=1, coverage=False, **kwargs):
+def test(verbosity=1, coverage=False, switch_backend_warn=True, **kwargs):
     """run the matplotlib test suite"""
     _init_tests()
 
-    from .testing.nose import test as nose_test
-    return nose_test(verbosity, coverage, **kwargs)
+    old_backend = get_backend()
+    try:
+        use('agg')
+        import pytest
+
+        args = ['--pyargs'] + default_test_modules
+
+        if coverage:
+            args += ['--cov']
+
+        if verbosity is not None:
+            args += ['-' + 'v' * verbosity]
+
+        args += kwargs.pop('argv', [])
+
+        retcode = pytest.main(args, **kwargs)
+    finally:
+        if old_backend.lower() != 'agg':
+            use(old_backend, warn=switch_backend_warn)
+
+    return retcode
 
 
-test.__test__ = False  # nose: this function is not a test
+test.__test__ = False  # pytest: this function is not a test
 
 
 def _replacer(data, key):
diff --git a/tests.py b/tests.py
@@ -4,10 +4,9 @@
 #
 #   $ python tests.py -v -d
 #
-# The arguments are identical to the arguments accepted by nosetests.
+# The arguments are identical to the arguments accepted by py.test.
 #
-# See https://nose.readthedocs.org/ for a detailed description of
-# these options.
+# See http://doc.pytest.org/ for a detailed description of these options.
 
 import sys
 import argparse
@@ -17,10 +16,6 @@
     from matplotlib import test
 
     parser = argparse.ArgumentParser(add_help=False)
-    parser.add_argument('--no-pep8', action='store_true',
-                        help='Run all tests except PEP8 testing')
-    parser.add_argument('--pep8', action='store_true',
-                        help='Run only PEP8 testing')
     parser.add_argument('--no-network', action='store_true',
                         help='Run tests without network connection')
     parser.add_argument('-j', type=int,
@@ -30,14 +25,13 @@
     if args.no_network:
         from matplotlib.testing import disable_internet
         disable_internet.turn_off_internet()
-        extra_args.extend(['-a', '!network'])
+        extra_args.extend(['-m', 'not network'])
     if args.j:
         extra_args.extend([
-            '--processes={}'.format(args.j),
-            '--process-timeout=300'
+            '-n', str(args.j),
         ])
 
     print('Python byte-compilation optimization level: %d' % sys.flags.optimize)
 
-    success = test(argv=sys.argv[0:1] + extra_args, switch_backend_warn=False)
-    sys.exit(not success)
+    retcode = test(argv=sys.argv[0:1] + extra_args, switch_backend_warn=False)
+    sys.exit(retcode)
