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import pytest
import laspy
from laspy import VLR
from .conftest import (
LAS_1_4_WITH_EVLRS_FILE_PATH,
LAZ_1_4_WITH_EVLRS_FILE_PATH,
NonSeekableStream,
las_file_path,
laz_file_path,
)
from .test_chunk_read_write import check_chunked_reading_gives_expected_points
EXPECTED_EVLRS = [
VLR(
user_id="pylastest",
record_id=42,
description="just a test evlr",
record_data=b"Test 1 2 ... 1 2",
)
]
@pytest.mark.skipif(
not laspy.LazBackend.Lazrs.is_available(),
reason="None seekable laz is only supported by lazrs",
)
def test_laz_reading_non_seekable_stream(laz_file_path):
with open(laz_file_path, mode="rb") as f:
stream = NonSeekableStream(f)
laspy.read(stream, closefd=False)
def test_las_reading_non_seekable_stream(las_file_path):
with open(las_file_path, mode="rb") as f:
stream = NonSeekableStream(f)
laspy.read(stream, closefd=False)
@pytest.mark.skipif(
not laspy.LazBackend.Lazrs.is_available(),
reason="Non seekable laz is only supported by lazrs",
)
def test_laz_selective_decompression_reading_non_seekable_stream():
with open(LAZ_1_4_WITH_EVLRS_FILE_PATH, mode="rb") as f:
stream = NonSeekableStream(f)
selection = laspy.DecompressionSelection.base()
las = laspy.read(stream, closefd=False, decompression_selection=selection)
assert las.evlrs == EXPECTED_EVLRS
@pytest.mark.skipif(
not laspy.LazBackend.Lazrs.is_available(),
reason="Non seekable laz is only supported by lazrs",
)
def test_laz_with_evlr_reading_non_seekable_stream():
with open(LAZ_1_4_WITH_EVLRS_FILE_PATH, mode="rb") as f:
stream = NonSeekableStream(f)
las = laspy.read(stream, closefd=False)
assert las.evlrs == EXPECTED_EVLRS
def test_las_with_evlr_reading_non_seekable_stream(las_file_path):
with open(LAS_1_4_WITH_EVLRS_FILE_PATH, mode="rb") as f:
stream = NonSeekableStream(f)
las = laspy.read(stream, closefd=False)
assert las.evlrs == EXPECTED_EVLRS
def test_non_seekable_chunked_las_reading(las_file_path):
ground_truth = laspy.read(las_file_path)
with open(las_file_path, mode="rb") as raw_file:
las_reader = laspy.open(NonSeekableStream(raw_file), closefd=False)
check_chunked_reading_gives_expected_points(
ground_truth, las_reader, iter_size=130
)
@pytest.mark.skipif(
not laspy.LazBackend.Lazrs.is_available(),
reason="Non seekable laz is only supported by lazrs",
)
def test_non_seekable_chunked_laz_reading(laz_file_path):
ground_truth = laspy.read(laz_file_path)
with open(laz_file_path, mode="rb") as raw_file:
las_reader = laspy.open(NonSeekableStream(raw_file), closefd=False)
check_chunked_reading_gives_expected_points(
ground_truth, las_reader, iter_size=130
)
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