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import unittest
import pdal
import os
import numpy as np
from packaging.version import Version
DATADIRECTORY = "./test/data"
bad_json = u"""
{
"pipeline": [
"nofile.las",
{
"type": "filters.sort",
"dimension": "X"
}
]
}
"""
class PDALTest(unittest.TestCase):
def fetch_json(self, filename):
import os
fn = DATADIRECTORY + os.path.sep + filename
output = ''
with open(fn, 'rb') as f:
output = f.read().decode('UTF-8')
return output
class TestPipeline(PDALTest):
#
@unittest.skipUnless(os.path.exists(os.path.join(DATADIRECTORY, 'sort.json')),
"missing test data")
def test_construction(self):
"""Can we construct a PDAL pipeline"""
json = self.fetch_json('sort.json')
r = pdal.Pipeline(json)
#
@unittest.skipUnless(os.path.exists(os.path.join(DATADIRECTORY, 'sort.json')),
"missing test data")
def test_execution(self):
"""Can we execute a PDAL pipeline"""
x = self.fetch_json('sort.json')
r = pdal.Pipeline(x)
r.validate()
r.execute()
self.assertGreater(len(r.pipeline), 200)
#
def test_validate(self):
"""Do we complain with bad pipelines"""
r = pdal.Pipeline(bad_json)
with self.assertRaises(RuntimeError):
r.validate()
#
@unittest.skipUnless(os.path.exists(os.path.join(DATADIRECTORY, 'sort.json')),
"missing test data")
def test_array(self):
"""Can we fetch PDAL data as a numpy array"""
json = self.fetch_json('sort.json')
r = pdal.Pipeline(json)
r.validate()
r.execute()
arrays = r.arrays
self.assertEqual(len(arrays), 1)
#
a = arrays[0]
self.assertAlmostEqual(a[0][0], 635619.85, 7)
self.assertAlmostEqual(a[1064][2], 456.92, 7)
#
@unittest.skipUnless(os.path.exists(os.path.join(DATADIRECTORY, 'sort.json')),
"missing test data")
def test_metadata(self):
"""Can we fetch PDAL metadata"""
json = self.fetch_json('sort.json')
r = pdal.Pipeline(json)
r.validate()
r.execute()
metadata = r.metadata
import json
j = json.loads(metadata)
self.assertEqual(j["metadata"]["readers.las"][0]["count"], 1065)
#
#
@unittest.skipUnless(os.path.exists(os.path.join(DATADIRECTORY, 'sort.json')),
"missing test data")
def test_no_execute(self):
"""Does fetching arrays without executing throw an exception"""
json = self.fetch_json('sort.json')
r = pdal.Pipeline(json)
with self.assertRaises(RuntimeError):
r.arrays
#
@unittest.skipUnless(os.path.exists(os.path.join(DATADIRECTORY, 'reproject.json')),
"missing test data")
def test_logging(self):
"""Can we fetch log output"""
json = self.fetch_json('reproject.json')
r = pdal.Pipeline(json)
r.loglevel = 8
r.validate()
count = r.execute()
self.assertEqual(count, 789)
self.assertEqual(r.log.split()[0], '(pypipeline')
#
@unittest.skipUnless(os.path.exists(os.path.join(DATADIRECTORY, 'sort.json')),
"missing test data")
def test_schema(self):
"""Fetching a schema works"""
json = self.fetch_json('sort.json')
r = pdal.Pipeline(json)
r.validate()
r.execute()
self.assertEqual(r.schema['schema']['dimensions'][0]['name'], 'X')
#
@unittest.skipUnless(os.path.exists(os.path.join(DATADIRECTORY, 'chip.json')),
"missing test data")
def test_merged_arrays(self):
"""Can we fetch multiple point views from merged PDAL data """
json = self.fetch_json('chip.json')
r = pdal.Pipeline(json)
r.validate()
r.execute()
arrays = r.arrays
self.assertEqual(len(arrays), 43)
#
class TestArrayLoad(PDALTest):
@unittest.skipUnless(os.path.exists(os.path.join(DATADIRECTORY, 'perlin.npy')),
"missing test data")
def test_merged_arrays(self):
"""Can we load data from a a list of arrays to PDAL"""
if Version(pdal.info.version) < Version('1.8'):
return True
data = np.load(os.path.join(DATADIRECTORY, 'perlin.npy'))
arrays = [data, data, data]
json = self.fetch_json('chip.json')
chip =u"""{
"pipeline":[
{
"type":"filters.range",
"limits":"Intensity[0:0.10]"
}
]
}"""
p = pdal.Pipeline(chip, arrays)
p.loglevel = 8
count = p.execute()
arrays = p.arrays
self.assertEqual(len(arrays), 3)
data = arrays[0]
self.assertEqual(len(data), 1836)
self.assertEqual(sum([len(i) for i in arrays]), 3*1836)
class TestDimensions(PDALTest):
def test_fetch_dimensions(self):
"""Ask PDAL for its valid dimensions list"""
dims = pdal.dimensions
if Version(pdal.info.version) < Version('1.8'):
self.assertEqual(len(dims), 71)
else:
self.assertEqual(len(dims), 72)
def test_suite():
return unittest.TestSuite(
[TestPipeline])
if __name__ == '__main__':
unittest.main()
|
