Add a test for the copy_exif function.

tests/test_gallery.py

@@ -1,4 +1,3 @@
-#! /usr/bin/env python2
 # -*- coding:utf-8 -*-
 
 import os
@@ -6,7 +5,7 @@ import os
 try:
     import unittest2 as unittest
 except ImportError:
-    import unittest
+    import unittest  # NOQA
 
 from sigal.gallery import Gallery, get_metadata
 from sigal.settings import read_settings

tests/test_image.py

@@ -0,0 +1,45 @@
+# -*- coding:utf-8 -*-
+
+import os
+from tempfile import mkdtemp
+from shutil import rmtree
+
+try:
+    import unittest2 as unittest
+except ImportError:
+    import unittest  # NOQA
+
+try:
+    import pyexiv2
+except ImportError:
+    pyexiv2 = False
+
+from sigal.image import copy_exif, Image
+
+CURRENT_DIR = os.path.dirname(__file__)
+
+
+@unittest.skipUnless(pyexiv2, "pyexiv2 isn't installed")
+class TestExif(unittest.TestCase):
+    "Test the copy of exif metadata with pyexiv2."
+
+    def setUp(self):
+        self.temp_path = mkdtemp()
+        self.srcfile = os.path.join(CURRENT_DIR,
+                                    'sample/dir2/exo20101028-b-full.jpg')
+        self.dstfile = os.path.join(self.temp_path, 'exo20101028-b-full.jpg')
+
+        img = Image(self.srcfile)
+        img.save(self.dstfile)
+        copy_exif(self.srcfile, self.dstfile)
+
+    def tearDown(self):
+        rmtree(self.temp_path)
+
+    def test_exif(self):
+        src = pyexiv2.ImageMetadata(self.srcfile)
+        dst = pyexiv2.ImageMetadata(self.dstfile)
+        src.read()
+        dst.read()
+
+        self.assertListEqual(src.keys(), dst.keys())

tests/test_settings.py

@@ -1,4 +1,3 @@
-#! /usr/bin/env python2
 # -*- coding:utf-8 -*-
 
 import os
@@ -6,7 +5,7 @@ import os
 try:
     import unittest2 as unittest
 except ImportError:
-    import unittest
+    import unittest  # NOQA
 
 from sigal.settings import read_settings, get_size