add csv test runner

tests/python_tests/csv_test.py

@@ -0,0 +1,49 @@
+#!/usr/bin/env python
+# -*- coding: utf-8 -*-
+
+import glob
+from nose.tools import *
+from utilities import execution_path
+
+import os, mapnik2
+
+
+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('.'))
+
+if 'csv' in mapnik2.DatasourceCache.instance().plugin_names():
+
+    def test_broken_files(visual=False):
+        broken = glob.glob("../data/csv/fails/*.*")
+        broken.extend(glob.glob("../data/csv/warns/*.*"))
+    
+        # Add a filename that doesn't exist 
+        broken.append("../data/csv/fails/does_not_exist.csv")
+    
+        for csv in broken:
+            throws = False
+            if visual:
+                try:
+                    ds = mapnik2.Datasource(type='csv',file=csv,strict=True,quiet=True)
+                    print '\x1b[33mfailed\x1b[0m',csv
+                except Exception:
+                    print '\x1b[1;32m✓ \x1b[0m', csv
+    
+    def test_good_files(visual=False):
+        good_files = glob.glob("../data/csv/*.*")
+        good_files.extend(glob.glob("../data/csv/warns/*.*"))
+    
+        for csv in good_files:
+            if visual:
+                try:
+                    ds = mapnik2.Datasource(type='csv',file=csv,quiet=True)
+                    print '\x1b[1;32m✓ \x1b[0m', csv
+                except Exception:
+                    print '\x1b[33mfailed\x1b[0m',csv
+
+
+if __name__ == "__main__":
+    setup()
+    [eval(run)(visual=True) for run in dir() if 'test_' in run]