#!/usr/bin/env python

import glob

import os

import tempfile

from nose.tools import eq_

import mapnik

from .utilities import execution_path, run_all

default_logging_severity = mapnik.logger.get_severity()

def setup():

# make the tests silent to suppress unsupported params from harfbuzz tests

# TODO: remove this after harfbuzz branch merges

mapnik.logger.set_severity(getattr(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)

def compare_map(xml):

m = mapnik.Map(256, 256)

absolute_base = os.path.abspath(os.path.dirname(xml))

try:

mapnik.load_map(m, xml, False, absolute_base)

except RuntimeError as e:

# only test datasources that we have installed

if not 'Could not create datasource' in str(e) \

and not 'could not connect' in str(e):

raise RuntimeError(str(e))

return

(handle, test_map) = tempfile.mkstemp(

suffix='.xml', prefix='mapnik-temp-map1-')

os.close(handle)

(handle, test_map2) = tempfile.mkstemp(

suffix='.xml', prefix='mapnik-temp-map2-')

os.close(handle)

if os.path.exists(test_map):

os.remove(test_map)

mapnik.save_map(m, test_map)

new_map = mapnik.Map(256, 256)

mapnik.load_map(new_map, test_map, False, absolute_base)

with open(test_map2, 'w') as f:

f.write(mapnik.save_map_to_string(new_map))

diff = ' diff -u %s %s' % (os.path.abspath(test_map),

os.path.abspath(test_map2))

try:

with open(test_map) as f1:

with open(test_map2) as f2:

eq_(f1.read(), f2.read())

except AssertionError as e:

raise AssertionError(

'serialized map "%s" not the same after being reloaded, \ncompare with command:\n\n$%s' %

(xml, diff))

if os.path.exists(test_map):

os.remove(test_map)

else:

# Fail, the map wasn't written

return False

def test_compare_map():

good_maps = glob.glob("../data/good_maps/*.xml")

good_maps = [os.path.normpath(p) for p in good_maps]

# remove one map that round trips CDATA differently, but this is okay

ignorable = os.path.join('..', 'data', 'good_maps', 'empty_parameter2.xml')

good_maps.remove(ignorable)

for m in good_maps:

compare_map(m)

for m in glob.glob("../visual_tests/styles/*.xml"):

compare_map(m)

# TODO - enforce that original xml does not equal first saved xml

def test_compare_map_deprecations():

dep = glob.glob("../data/deprecated_maps/*.xml")

dep = [os.path.normpath(p) for p in dep]

for m in dep:

compare_map(m)

if __name__ == "__main__":

setup()

exit(run_all(eval(x) for x in dir() if x.startswith("test_")))