Some really basic tests that I was using for testing, many more need to be added

tests/python_tests/image_tiff_test.py

@@ -0,0 +1,60 @@
+#!/usr/bin/env python
+# -*- coding: utf-8 -*-
+
+import sys
+import os, mapnik
+from timeit import Timer, time
+from nose.tools import *
+from utilities import execution_path, run_all
+
+def setup():
+    # All of the paths used are relative, if we run the tests
+    # from another directory we need to chdir()
+    os.chdir(execution_path('.'))
+
+def test_tiff_rgba8_compare():
+    filepath1 = '../data/images/24989_rgb_uint8.tif'
+    filepath2 = '/tmp/mapnik-tiff-rgba8.tiff'
+    im = mapnik.Image.open(filepath1)
+    im.save(filepath2,'tiff')
+    im2 = mapnik.Image.open(filepath2)
+    eq_(im.width(),im2.width())
+    eq_(im.height(),im2.height())
+    eq_(len(im.tostring()),len(im2.tostring()))
+    eq_(len(im.tostring('tiff')),len(im2.tostring('tiff')))
+
+def test_tiff_uint8_compare():
+    filepath1 = '../data/images/24989_ndvi_uint8.tif'
+    filepath2 = '/tmp/mapnik-tiff-uint8.tiff'
+    im = mapnik.Image.open(filepath1)
+    im.save(filepath2,'tiff')
+    im2 = mapnik.Image.open(filepath2)
+    eq_(im.width(),im2.width())
+    eq_(im.height(),im2.height())
+    eq_(len(im.tostring()),len(im2.tostring()))
+    eq_(len(im.tostring('tiff')),len(im2.tostring('tiff')))
+
+def test_tiff_uint16_compare():
+    filepath1 = '../data/images/24989_ndvi_uint16.tif'
+    filepath2 = '/tmp/mapnik-tiff-uint16.tiff'
+    im = mapnik.Image.open(filepath1)
+    im.save(filepath2,'tiff')
+    im2 = mapnik.Image.open(filepath2)
+    eq_(im.width(),im2.width())
+    eq_(im.height(),im2.height())
+    eq_(len(im.tostring()),len(im2.tostring()))
+    eq_(len(im.tostring('tiff')),len(im2.tostring('tiff')))
+
+def test_tiff_float32_compare():
+    filepath1 = '../data/images/24989_ndvi.tif'
+    filepath2 = '/tmp/mapnik-tiff-float32.tiff'
+    im = mapnik.Image.open(filepath1)
+    im.save(filepath2,'tiff')
+    im2 = mapnik.Image.open(filepath2)
+    eq_(im.width(),im2.width())
+    eq_(im.height(),im2.height())
+    eq_(len(im.tostring()),len(im2.tostring()))
+    eq_(len(im.tostring('tiff')),len(im2.tostring('tiff')))
+if __name__ == "__main__":
+    setup()
+    exit(run_all(eval(x) for x in dir() if x.startswith("test_")))