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import glob
import os
import tempfile
import mapnik
import pytest
from .utilities import execution_path
default_logging_severity = mapnik.logger.get_severity()
@pytest.fixture(scope="module")
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('.'))
yield
def compare_map(xml):
if not os.path.exists('../data/good_maps/'):
pytest.skip('Missing data')
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:
assert 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(setup):
if not os.path.exists('../data/good_maps/'):
pytest.skip('Missing data')
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():
if not os.path.exists('../data/deprecated_maps/'):
pytest.skip('Missing data')
dep = glob.glob("../data/deprecated_maps/*.xml")
dep = [os.path.normpath(p) for p in dep]
for m in dep:
compare_map(m)
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