test css url rewrite

compress/compilers/__init__.py

@@ -23,7 +23,7 @@ class Compiler(object):
                     try:
                         compiled_content = compiler.compile_file(content)
                         self.save_file(new_path, compiled_content)
-                    except CompilerError, e:
+                    except CompilerError:
                         if not os.path.exists(new_path):
                             raise
                     paths[index] = new_path

tests/static/css/urls.css

+.relative-url {
+  background-image: url(../images/sprite-buttons.png);
+}
+.absolute-url {
+  background-image: url(http://localhost/images/sprite-buttons.png);
+}
+.no-protocol-url {
+  background-image: url(//images/sprite-buttons.png);  
+}
\ No newline at end of file

tests/tests.py

@@ -3,6 +3,7 @@ import os
 from django.test import TestCase
 
 from compress.conf import settings
+from compress.compressors import Compressor
 from compress.packager import Packager
 
 
@@ -28,7 +29,27 @@ class VersioningTest(TestCase):
 
 
 class CompressorTest(TestCase):
-    pass
+    def setUp(self):
+        self.old_compress_url = settings.COMPRESS_URL
+        settings.COMPRESS_URL = 'http://localhost/static/'
+
+    def test_url_rewrite(self):
+        compressor = Compressor()
+        output = compressor.concatenate_and_rewrite([
+            os.path.join(settings.COMPRESS_ROOT, 'css/urls.css'),
+        ])
+        self.assertEquals(""".relative-url {
+  background-image: url(http://localhost/static/images/sprite-buttons.png);
+}
+.absolute-url {
+  background-image: url(http://localhost/images/sprite-buttons.png);
+}
+.no-protocol-url {
+  background-image: url(//images/sprite-buttons.png);  
+}""", output)
+
+    def tearDown(self):
+        settings.COMPRESS_URL = self.old_compress_url
 
 
 class CompilerTest(TestCase):