From 5a8fd796e9e4a6ec9d705c837f992baca0753d90 Mon Sep 17 00:00:00 2001
From: Eric Soroos <eric-github@soroos.net>
Date: Fri, 17 Nov 2017 19:47:05 +0000
Subject: [PATCH 1/2] install the difference engine

---
 .travis/install.sh     |  1 +
 Tests/helper.py        | 36 +++++++++++++++++++++++++++++++-----
 Tests/test_uploader.py | 18 ++++++++++++++++++
 3 files changed, 50 insertions(+), 5 deletions(-)
 create mode 100644 Tests/test_uploader.py

diff --git a/.travis/install.sh b/.travis/install.sh
index 694a460e9..64ce477f7 100755
--- a/.travis/install.sh
+++ b/.travis/install.sh
@@ -13,6 +13,7 @@ pip install check-manifest
 pip install olefile
 pip install pyroma
 pip install coverage
+pip install test-image-results
 
 # docs only on Python 2.7
 if [ "$TRAVIS_PYTHON_VERSION" == "2.7" ]; then pip install -r requirements.txt ; fi
diff --git a/Tests/helper.py b/Tests/helper.py
index 1375eb7e5..442886d5a 100644
--- a/Tests/helper.py
+++ b/Tests/helper.py
@@ -9,6 +9,16 @@ import unittest
 
 from PIL import Image, ImageMath
 
+import logging
+logger = logging.getLogger(__name__)
+
+
+HAS_UPLOADER = False
+try:
+    import test_image_results
+    HAS_UPLOADER = True
+except ImportError:
+    pass
 
 def convert_to_comparable(a, b):
     new_a, new_b = a, b
@@ -84,6 +94,13 @@ class PillowTestCase(unittest.TestCase):
             a.size, b.size,
             msg or "got size %r, expected %r" % (a.size, b.size))
         if a.tobytes() != b.tobytes():
+            if HAS_UPLOADER:
+                try:
+                    url = test_image_results.upload(a, b)
+                    logger.error("Url for test images: %s" %url)
+                except:
+                    pass
+                    
             self.fail(msg or "got different content")
 
     def assert_image_similar(self, a, b, epsilon, msg=None):
@@ -103,11 +120,20 @@ class PillowTestCase(unittest.TestCase):
             diff += sum(i * num for i, num in enumerate(chdiff.histogram()))
 
         ave_diff = float(diff)/(a.size[0]*a.size[1])
-        self.assertGreaterEqual(
-            epsilon, ave_diff,
-            (msg or '') +
-            " average pixel value difference %.4f > epsilon %.4f" % (
-                ave_diff, epsilon))
+        try:
+            self.assertGreaterEqual(
+                epsilon, ave_diff,
+                (msg or '') +
+                " average pixel value difference %.4f > epsilon %.4f" % (
+                    ave_diff, epsilon))
+        except Exception as e:
+            if HAS_UPLOADER:
+                try:
+                    url = test_image_results.upload(a, b)
+                    logger.error("Url for test images: %s" %url)
+                except:
+                    pass
+            raise e
 
     def assert_warning(self, warn_class, func, *args, **kwargs):
         import warnings
diff --git a/Tests/test_uploader.py b/Tests/test_uploader.py
new file mode 100644
index 000000000..70b5a27bf
--- /dev/null
+++ b/Tests/test_uploader.py
@@ -0,0 +1,18 @@
+from helper import unittest, PillowTestCase, hopper
+
+from PIL import Image
+
+
+class TestUploader(PillowTestCase):
+    def test_upload_equal(self):
+        result = hopper('P').convert('RGB')
+        target = hopper('RGB')
+        self.assert_image_equal(result, target)
+
+    def test_upload_similar(self):
+        result = hopper('P').convert('RGB')
+        target = hopper('RGB')
+        self.assert_image_similar(result, target, 0)
+
+if __name__ == '__main__':
+    unittest.main()

From 9a7fbdf32306bfe83094ffdf4d46c2649b4dfb8a Mon Sep 17 00:00:00 2001
From: wiredfool <eric-github@soroos.net>
Date: Sat, 25 Nov 2017 11:01:33 +0000
Subject: [PATCH 2/2] disable intentionally failing tests

---
 Tests/test_uploader.py | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/Tests/test_uploader.py b/Tests/test_uploader.py
index 70b5a27bf..b52ea10f6 100644
--- a/Tests/test_uploader.py
+++ b/Tests/test_uploader.py
@@ -4,12 +4,12 @@ from PIL import Image
 
 
 class TestUploader(PillowTestCase):
-    def test_upload_equal(self):
+    def check_upload_equal(self):
         result = hopper('P').convert('RGB')
         target = hopper('RGB')
         self.assert_image_equal(result, target)
 
-    def test_upload_similar(self):
+    def check_upload_similar(self):
         result = hopper('P').convert('RGB')
         target = hopper('RGB')
         self.assert_image_similar(result, target, 0)