Additional test images for sun raster files

.travis.yml

@@ -48,6 +48,10 @@ install:
   # libimagequant
   - pushd depends && ./install_imagequant.sh && popd
   
+  # extra test images
+  - pushd depends && ./install_extra_test_images.sh && popd  
+  
+
 before_script:
 # Qt needs a display for some of the tests, and it's only run on the system site packages install
   - "export DISPLAY=:99.0"

Tests/test_file_sun.py

@@ -2,6 +2,9 @@ from helper import unittest, PillowTestCase, hopper
 
 from PIL import Image, SunImagePlugin
 
+import os
+
+EXTRA_DIR = 'Tests/images/sunraster'
 
 class TestFileSun(PillowTestCase):
 
@@ -27,5 +30,22 @@ class TestFileSun(PillowTestCase):
         target = Image.open('Tests/images/sunraster.im1.png')
         self.assert_image_equal(im, target)
 
+
+    @unittest.skipIf(not os.path.exists(EXTRA_DIR),
+                     "Extra image files not installed")
+    def test_others(self):
+        files = (os.path.join(EXTRA_DIR, f) for f in
+                   os.listdir(EXTRA_DIR) if os.path.splitext(f)[1]
+                   in ('.sun', '.SUN', '.ras'))
+        for path in files:
+            print (path)
+            with Image.open(path) as im:
+                im.load()  
+                self.assertIsInstance(im, SunImagePlugin.SunImageFile)
+                target_path = "%s.png" % os.path.splitext(path)[0]
+                #im.save(target_file)
+                with Image.open(target_path) as target:
+                    self.assert_image_equal(im, target)
+        
 if __name__ == '__main__':
     unittest.main()

depends/install_extra_test_images.sh

@@ -0,0 +1,11 @@
+#!/bin/bash
+# install extra test images
+
+if [ ! -f test_images.tar.gz ]; then
+    wget -O 'test_images.tar.gz' 'https://github.com/python-pillow/pillow-depends/blob/master/test_images.tar.gz?raw=true'
+fi
+
+rm -r test_images
+tar -xvzf test_images.tar.gz
+
+cp -r test_images/* ../Tests/images