add https://github.com/mapbox/mapnik-test-data to tests - /cc @GretaCB

.travis.yml

@@ -46,6 +46,7 @@ before_script:
 script:
  - ./configure CXX="${CXX}" CC="${CC}" CUSTOM_CXXFLAGS="${CUSTOM_CXXFLAGS}" CUSTOM_LDFLAGS="${CUSTOM_LDFLAGS}" XML_PARSER="${XML_PARSER}" ENABLE_LOG="${ENABLE_LOG}" DEBUG="${DEBUG}" DEMO="${DEMO}" BENCHMARK="${BENCHMARK}" CPP_TESTS=True CAIRO=True FAST=True || cat config.log
  - if [[ "${DEBUG}" == true ]]; then JOBS=2 make; else JOBS=4 make; fi;
+ - git clone https://github.com/mapbox/mapnik-test-data tests/data/mapnik-test-data
  - make test
  - source localize.sh && make grind
  - if [[ ${BENCHMARK} != False ]]; then make bench; fi;

tests/python_tests/mapnik_test_data_test.py

@@ -0,0 +1,52 @@
+#!/usr/bin/env python
+# -*- coding: utf-8 -*-
+
+from nose.tools import *
+from utilities import execution_path, run_all
+import os, mapnik
+from glob import glob
+
+default_logging_severity = mapnik.logger.get_severity()
+
+def setup():
+    mapnik.logger.set_severity(mapnik.severity_type.None)
+    # All of the paths used are relative, if we run the tests
+    # from another directory we need to chdir()
+    os.chdir(execution_path('.'))
+
+def teardown():
+    mapnik.logger.set_severity(default_logging_severity)
+
+plugin_mapping = {
+    '.csv' : ['csv'],
+    '.json': ['geojson','ogr'],
+    '.tif' : ['gdal'],
+    #'.tif' : ['gdal','raster'],
+    '.kml' : ['ogr'],
+    '.gpx' : ['ogr'],
+    '.vrt' : ['gdal']
+}
+
+def test_opening_data():
+    # https://github.com/mapbox/mapnik-test-data
+    # cd tests/data
+    # git clone --depth 1 https://github.com/mapbox/mapnik-test-data
+    if os.path.exists('../data/mapnik-test-data/'):
+        files = glob('../data/mapnik-test-data/data/*/*.*')
+        for filepath in files:
+            if 'topo' in filepath:
+                kwargs = {'type': 'ogr','file': filepath}
+                kwargs['layer_by_index'] = 0
+                ds = mapnik.Datasource(**kwargs)
+            else:
+                ext = os.path.splitext(filepath)[1]
+                if plugin_mapping.get(ext):
+                   for plugin in plugin_mapping[ext]:
+                      kwargs = {'type': plugin,'file': filepath}
+                      if plugin is 'ogr':
+                          kwargs['layer_by_index'] = 0
+                      ds = mapnik.Datasource(**kwargs)
+
+if __name__ == "__main__":
+    setup()
+    exit(run_all(eval(x) for x in dir() if x.startswith("test_")))