mapnik/tests/visual_tests/test.py
2012-12-06 20:14:14 -08:00

178 lines
7.3 KiB
Python
Executable file

#!/usr/bin/env python
# -*- coding: utf-8 -*-
import mapnik
mapnik.logger.set_severity(mapnik.severity_type.None)
import sys
import os.path
from compare import compare, compare_grids, summary, fail
try:
import json
except ImportError:
import simplejson as json
visual_output_dir = "/tmp/mapnik-visual-images"
defaults = {
'sizes': [(500, 100)]
}
sizes_many_in_big_range = [(800, 100), (600, 100), (400, 100),
(300, 100), (250, 100), (150, 100), (100, 100)]
sizes_few_square = [(800, 800), (600, 600), (400, 400), (200, 200)]
sizes_many_in_small_range = [(490, 100), (495, 100), (497, 100), (498, 100),
(499, 100), (500, 100), (501, 100), (502, 100), (505, 100), (510, 100)]
default_text_box = mapnik.Box2d(-0.05, -0.01, 0.95, 0.01)
dirname = os.path.dirname(__file__)
files = [
{'name': "list", 'sizes': sizes_many_in_big_range,'bbox':default_text_box},
{'name': "simple", 'sizes': sizes_many_in_big_range,'bbox':default_text_box},
{'name': "lines-1", 'sizes': sizes_few_square,'bbox':default_text_box},
{'name': "lines-2", 'sizes': sizes_few_square,'bbox':default_text_box},
{'name': "lines-3", 'sizes': sizes_few_square,'bbox':default_text_box},
{'name': "lines-shield", 'sizes': sizes_few_square,'bbox':default_text_box},
{'name': "marker-multi-policy", 'sizes':[(600,400)]},
{'name': "marker_line_placement_on_points"},
{'name': "whole-centroid", 'sizes':[(600,400)],
'bbox': mapnik.Box2d(736908, 4390316, 2060771, 5942346)},
{'name': "simple-E", 'bbox':mapnik.Box2d(-0.05, -0.01, 0.95, 0.01)},
{'name': "simple-NE",'bbox':default_text_box},
{'name': "simple-NW",'bbox':default_text_box},
{'name': "simple-N",'bbox':default_text_box},
{'name': "simple-SE",'bbox':default_text_box},
{'name': "simple-SW",'bbox':default_text_box},
{'name': "simple-S",'bbox':default_text_box},
{'name': "simple-W",'bbox':default_text_box},
{'name': "formatting-1",'bbox':default_text_box},
{'name': "formatting-2",'bbox':default_text_box},
{'name': "formatting-3",'bbox':default_text_box},
{'name': "formatting-4",'bbox':default_text_box},
{'name': "expressionformat",'bbox':default_text_box},
{'name': "shieldsymbolizer-1", 'sizes': sizes_many_in_small_range,'bbox':default_text_box},
{'name': "rtl-point", 'sizes': [(200, 200)],'bbox':default_text_box},
{'name': "jalign-auto", 'sizes': [(200, 200)],'bbox':default_text_box},
{'name': "line-offset", 'sizes':[(900, 250)],'bbox': mapnik.Box2d(-5.192, 50.189, -5.174, 50.195)},
{'name': "tiff-alpha-gdal", 'sizes':[(600,400)]},
{'name': "tiff-alpha-broken-assoc-alpha-gdal", 'sizes':[(600,400)]},
{'name': "tiff-alpha-gradient-gdal", 'sizes':[(600,400)]},
{'name': "tiff-nodata-edge-gdal", 'sizes':[(600,400)]},
{'name': "tiff-opaque-edge-gdal", 'sizes':[(256,256)]},
{'name': "tiff-opaque-edge-gdal2", 'sizes':[(600,400)]},
{'name': "tiff-opaque-edge-raster2", 'sizes':[(600,400)]},
# https://github.com/mapnik/mapnik/issues/1520
# commented because these are not critical failures
#{'name': "tiff-alpha-raster", 'sizes':[(600,400)]},
#{'name': "tiff-alpha-broken-assoc-alpha-raster", 'sizes':[(600,400)]},
#{'name': "tiff-nodata-edge-raster", 'sizes':[(600,400)]},
#{'name': "tiff-opaque-edge-raster", 'sizes':[(256,256)]},
]
def report(diff,quiet=False,threshold=0):
if diff > threshold:
if quiet:
sys.stderr.write('\x1b[31m.\x1b[0m')
else:
print '\x1b[31m✘\x1b[0m (\x1b[34m%u different pixels\x1b[0m)' % diff
else:
if quiet:
sys.stderr.write('\x1b[32m.\x1b[0m')
else:
print '\x1b[32m✓\x1b[0m'
def render(filename, width, height, bbox, quiet=False):
m = mapnik.Map(width, height)
expected = os.path.join(dirname, "images", '%s-%d-reference.png' % (filename, width))
actual = '%s-%d' % (filename, width)
try:
mapnik.load_map(m, os.path.join(dirname, "styles", "%s.xml" % filename), False)
if bbox is not None:
m.zoom_to_box(bbox)
else:
m.zoom_all()
except Exception, e:
sys.stderr.write(e.message + '\n')
fail(actual,expected,str(e.message))
return
actual_agg = os.path.join(visual_output_dir, '%s-agg.png' % actual)
if not quiet:
print "\"%s\" with size %dx%d with agg..." % (filename, width, height),
try:
mapnik.render_to_file(m, actual_agg)
if not os.path.exists(expected):
# generate it on the fly
fail(actual_agg,expected,None)
else:
diff = compare(actual_agg, expected, threshold=1, alpha=True)
report(diff,quiet)
except Exception, e:
sys.stderr.write(e.message + '\n')
fail(actual_agg,expected,str(e.message))
if 'tiff' in actual or 'marker' in actual:
actual_cairo = os.path.join(visual_output_dir, '%s-cairo.png' % actual)
if not quiet:
print "\"%s\" with size %dx%d with cairo..." % (filename, width, height),
try:
mapnik.render_to_file(m, actual_cairo,'ARGB32')
if not os.path.exists(expected):
pass # will have been generated by agg test
else:
# cairo and agg differ in alpha for reasons unknown, so don't test it for now
diff = compare(actual_cairo, expected, threshold=1, alpha=False)
report(diff,quiet,threshold=1)
except Exception, e:
sys.stderr.write(e.message + '\n')
fail(actual_cairo,expected,str(e.message))
if True:
expected_grid = os.path.join(dirname, "grids", '%s-%d-reference.json' % (filename, width))
actual_grid = os.path.join(visual_output_dir, '%s-grid.json' % actual)
if not quiet:
print "\"%s\" with size %dx%d with grid..." % (filename, width, height),
try:
grid = mapnik.Grid(m.width,m.height)
mapnik.render_layer(m,grid,layer=0)
utf1 = grid.encode('utf',resolution=4)
open(actual_grid,'wb').write(json.dumps(utf1,indent=2))
if not os.path.exists(expected_grid):
# generate it on the fly
fail(actual_grid,expected_grid,None)
else:
diff = compare_grids(actual_grid, expected_grid, threshold=1, alpha=False)
report(diff,quiet)
except Exception, e:
sys.stderr.write(e.message + '\n')
fail(actual_grid,expected,str(e.message))
return m
if __name__ == "__main__":
if '-q' in sys.argv:
quiet = True
sys.argv.remove('-q')
else:
quiet = False
if len(sys.argv) == 2:
files = [{"name": sys.argv[1], "sizes": sizes_few_square}]
elif len(sys.argv) > 2:
files = []
for name in sys.argv[1:]:
files.append({"name": name})
if not os.path.exists(visual_output_dir):
os.makedirs(visual_output_dir)
if 'osm' in mapnik.DatasourceCache.plugin_names():
for f in files:
config = dict(defaults)
config.update(f)
for size in config['sizes']:
m = render(config['name'], size[0], size[1], config.get('bbox'), quiet=quiet)
mapnik.save_map(m, os.path.join(dirname, 'xml_output', "%s-out.xml" % config['name']))
summary(generate=True)