def test_compression(self):
"""Test compression"""
xmloutput = tempfile.NamedTemporaryFile(delete=False)
writer = changewriter.OSMChangeWriter(filename=xmloutput.name,
compress=True)
objects_to_test = test_objects # just test way
writer.add_create(objects_to_test)
writer.close()
parsed = etree.parse(GzipFile(xmloutput.name, "r"))
parsedRoot = parsed.getroot()
self.assertTrue(parsedRoot.tag == "osmChange")
xmloutput.close()
def test_close(self):
"""Ensure close() function correctly adds osmChange tags"""
with tempfile.NamedTemporaryFile(delete=False) as of:
writer = changewriter.OSMChangeWriter(filename=of.name)
objects_to_test = test_objects # just test way
writer.add_create(objects_to_test)
writer.close()
_of = open(of.name, "rb")
parsed = etree.parse(_of)
_of.close()
parsedRoot = parsed.getroot()
self.assertTrue(parsedRoot.tag == "osmChange")
self.assertTrue(parsedRoot[0].tag == "create")
of.close()
def test_write_file(self):
"""Ensure that providing a filename to OSMChangeWriter produces a file"""
with tempfile.NamedTemporaryFile(delete=False) as of:
writer = changewriter.OSMChangeWriter(filename=of.name)
objects_to_test = test_objects # just test way
writer.add_create(objects_to_test)
writer.close()
with open(of.name, "r") as f:
f.seek(0)
parsed = etree.parse(f)
parsedRoot = parsed.getroot()
parsedElements = list(parsedRoot[0])
self.assertTrue(parsedRoot[0].tag == "create")
self.assertTrue(len(parsedElements) == len(objects_to_test))
of.close()
def test_create_multiple(self):
"""Ensure a multiple modify nodes are written correctly"""
xmloutput = tempfile.NamedTemporaryFile(delete=False)
writer = changewriter.OSMChangeWriter(filename=xmloutput.name)
objects_to_test = test_objects # just test way
writer.add_create(objects_to_test)
writer.close()
_of = open(xmloutput.name, "rb")
parsed = etree.parse(_of)
_of.close()
parsedRoot = parsed.getroot()
parsedElements = list(parsedRoot[0])
self.assertTrue(parsedRoot[0].tag == "create")
self.assertTrue(len(parsedElements) == len(objects_to_test))
xmloutput.close()
os.remove(xmloutput.name)
def test_modify_way(self):
"""Ensure a single modify way is written correctly"""
xmloutput = tempfile.NamedTemporaryFile(delete=False)
writer = changewriter.OSMChangeWriter(filename=xmloutput.name)
objects_to_test = [test_objects[1]] # just test way
writer.add_modify(objects_to_test)
writer.close()
_of = open(xmloutput.name, "rb")
parsed = etree.parse(_of)
_of.close()
parsedRoot = parsed.getroot()
parsedElements = list(parsedRoot[0])
parsedTags = parsed.xpath("/osmChange/modify/way/tag")
self.assertTrue(parsedRoot[0].tag == "modify")
self.assertTrue(parsedElements[0].tag == "way")
self.assertTrue(len(parsedElements) == len(objects_to_test))
self.assertTrue(
set(parsedElements[0].keys()) == set(["id", "version"]))
self.assertTrue(len(parsedTags) == len(test_objects[0].tags))
xmloutput.close()
os.remove(xmloutput.name)