output the result as base64 for travis debugging

zopefoundation · Apr 1, 2016 · 4c1ed82 · 4c1ed82
1 parent a82453c
commit 4c1ed82
Showing 1 changed file with 7 additions and 1 deletion.
diff --git a/src/z3c/rml/tests/test_rml.py b/src/z3c/rml/tests/test_rml.py
@@ -77,7 +77,13 @@ def assertSameImage(self, baseImage, testImage):
         base = Image.open(base_file).getdata()
         test = Image.open(test_file).getdata()
         for i in range(len(base)):
-            if (base[i] - test[i]) != 0:
+            if not (base[i] - test[i]) != 0:
+                if 'TRAVIS' in os.environ:
+                    # output the result as base64 for travis debugging
+                    base_file.seek(0)
+                    print()
+                    print(testImage)
+                    print(test_file.read().encode('base64'))
                 self.fail(
                     'Image is not the same: %s' % os.path.basename(baseImage)
                 )