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From eab11b3cac68f863ccab8067e3d8035aaf57cfe5 Mon Sep 17 00:00:00 2001
From: Antony Lee <anntzer.lee@gmail.com>
Date: Tue, 18 Sep 2018 18:46:50 +0200
Subject: [PATCH 4/4] Avoid triggering deprecation warnings with pytest 3.8.

The new API was introduced in pytest3.6 so bump the test dependency
accordingly.
---
 doc/devel/contributing.rst           |  6 +++---
 doc/devel/testing.rst                |  4 ++--
 lib/matplotlib/testing/conftest.py   | 10 +++++-----
 lib/matplotlib/testing/decorators.py |  8 ++++++--
 requirements/testing/travis35.txt    |  2 +-
 requirements/testing/travis_all.txt  |  4 +---
 setupext.py                          |  2 +-
 7 files changed, 19 insertions(+), 17 deletions(-)

diff --git a/doc/devel/contributing.rst b/doc/devel/contributing.rst
index b40a46a6f..463e8c947 100644
--- a/doc/devel/contributing.rst
+++ b/doc/devel/contributing.rst
@@ -109,7 +109,7 @@ value.
 Installing Matplotlib in developer mode
 ---------------------------------------
 
-To install Matplotlib (and compile the c-extensions) run the following
+To install Matplotlib (and compile the C-extensions) run the following
 command from the top-level directory ::
 
    python -mpip install -ve .
@@ -147,11 +147,11 @@ environment is set up properly::
 .. _pytest: http://doc.pytest.org/en/latest/
 .. _pep8: https://pep8.readthedocs.io/en/latest/
 .. _Ghostscript: https://www.ghostscript.com/
-.. _Inkscape: https://inkscape.org>
+.. _Inkscape: https://inkscape.org/
 
 .. note::
 
-  **Additional dependencies for testing**: pytest_ (version 3.4 or later),
+  **Additional dependencies for testing**: pytest_ (version 3.6 or later),
   Ghostscript_, Inkscape_
 
 .. seealso::
diff --git a/doc/devel/testing.rst b/doc/devel/testing.rst
index c3a5eb8f9..6e8c60fc6 100644
--- a/doc/devel/testing.rst
+++ b/doc/devel/testing.rst
@@ -21,11 +21,11 @@ Requirements
 
 Install the latest version of Matplotlib as documented in
 :ref:`installing_for_devs` In particular, follow the instructions to use a
-local FreeType build
+local FreeType build.
 
 The following software is required to run the tests:
 
-- pytest_ (>=3.4)
+- pytest_ (>=3.6)
 - Ghostscript_ (>= 9.0, to render PDF files)
 - Inkscape_ (to render SVG files)
 
diff --git a/lib/matplotlib/testing/conftest.py b/lib/matplotlib/testing/conftest.py
index 96528c8de..8cb90e083 100644
--- a/lib/matplotlib/testing/conftest.py
+++ b/lib/matplotlib/testing/conftest.py
@@ -24,19 +24,19 @@ def mpl_test_settings(request):
     with _cleanup_cm():
 
         backend = None
-        backend_marker = request.keywords.get('backend')
+        backend_marker = request.node.get_closest_marker('backend')
         if backend_marker is not None:
             assert len(backend_marker.args) == 1, \
                 "Marker 'backend' must specify 1 backend."
-            backend = backend_marker.args[0]
+            backend, = backend_marker.args
             prev_backend = matplotlib.get_backend()
 
         style = '_classic_test'  # Default of cleanup and image_comparison too.
-        style_marker = request.keywords.get('style')
+        style_marker = request.node.get_closest_marker('style')
         if style_marker is not None:
             assert len(style_marker.args) == 1, \
                 "Marker 'style' must specify 1 style."
-            style = style_marker.args[0]
+            style, = style_marker.args
 
         matplotlib.testing.setup()
         if backend is not None:
@@ -73,7 +73,7 @@ def mpl_image_comparison_parameters(request, extension):
     # pytest won't get confused.
     # We annotate the decorated function with any parameters captured by this
     # fixture so that they can be used by the wrapper in image_comparison.
-    baseline_images = request.keywords['baseline_images'].args[0]
+    baseline_images, = request.node.get_closest_marker('baseline_images').args
     if baseline_images is None:
         # Allow baseline image list to be produced on the fly based on current
         # parametrization.
diff --git a/lib/matplotlib/testing/decorators.py b/lib/matplotlib/testing/decorators.py
index f3fc47c68..c1bb1fdc2 100644
--- a/lib/matplotlib/testing/decorators.py
+++ b/lib/matplotlib/testing/decorators.py
@@ -215,8 +215,12 @@ class _ImageComparisonBase(object):
         if self.remove_text:
             remove_ticks_and_titles(fig)
 
+        ext = extension.args[0] if hasattr(extension, 'args') else extension
+        # XXX this is needed twice for test_mixedsubplots[extension2]
+        ext = ext.args[0] if hasattr(ext, 'args') else ext
+
         actual_fname = (
-            os.path.join(self.result_dir, baseline) + '.' + extension)
+            os.path.join(self.result_dir, baseline) + '.' + ext)
         kwargs = self.savefig_kwargs.copy()
         if extension == 'pdf':
             kwargs.setdefault('metadata',
@@ -224,7 +228,7 @@ class _ImageComparisonBase(object):
                                'CreationDate': None})
         fig.savefig(actual_fname, **kwargs)
 
-        expected_fname = self.copy_baseline(baseline, extension)
+        expected_fname = self.copy_baseline(baseline, ext)
         _raise_on_image_difference(expected_fname, actual_fname, self.tol)
 
 
diff --git a/requirements/testing/travis35.txt b/requirements/testing/travis35.txt
index fc3c3428b..f137d3bbb 100644
--- a/requirements/testing/travis35.txt
+++ b/requirements/testing/travis35.txt
@@ -5,7 +5,7 @@ python-dateutil==2.1
 numpy==1.10.0
 pandas<0.21.0
 pyparsing==2.0.1
-pytest==3.4
+pytest==3.6
 pytest-cov==2.3.1
 pytest-timeout==1.2.1  # Newer pytest-timeouts don't support pytest 3.4.
 pytest-rerunfailures<5  # newer versions require pytest3.6
diff --git a/requirements/testing/travis_all.txt b/requirements/testing/travis_all.txt
index dcffd281e..3f5811b1b 100644
--- a/requirements/testing/travis_all.txt
+++ b/requirements/testing/travis_all.txt
@@ -6,9 +6,7 @@ cycler
 numpy
 pillow
 pyparsing
-# pytest-timeout master depends on pytest>=3.6. Testing with pytest 3.4 is
-# still supported; this is tested by the first travis python 3.5 build
-pytest>=3.6,<4
+pytest
 pytest-cov
 pytest-faulthandler
 pytest-rerunfailures
diff --git a/setupext.py b/setupext.py
index fc82d5d15..186217648 100644
--- a/setupext.py
+++ b/setupext.py
@@ -821,7 +821,7 @@ class Toolkits(OptionalPackage):
 
 class Tests(OptionalPackage):
     name = "tests"
-    pytest_min_version = '3.4'
+    pytest_min_version = '3.6'
     default_config = False
 
     def check(self):
-- 
2.21.0