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geotiff: add Hypothesis property tests for round-trip metadata #2141

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Merged
brendancol merged 4 commits into from
May 20, 2026
Merged

geotiff: add Hypothesis property tests for round-trip metadata #2141

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f07387c
geotiff: add Hypothesis property tests for round-trip metadata (#2134)
brendancol May 19, 2026
1478b36
Address review nits on hypothesis round-trip tests (#2134)
brendancol May 19, 2026
81e0953
Merge remote-tracking branch 'origin/main' into issue-2134
brendancol May 19, 2026
aa8b2df
tests: gate fuzz codec strategy on optional lz4 / zstd (#2134)
brendancol May 20, 2026
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1 change: 1 addition & 0 deletions setup.cfg
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Original file line number Diff line number Diff line change
Expand Up @@ -72,6 +72,7 @@ gpu =
tests =
flake8
geopandas
hypothesis
isort
noise >= 1.2.2
dask
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13 changes: 12 additions & 1 deletion xrspatial/geotiff/tests/test_fuzz_hypothesis_1661.py
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Expand Up @@ -47,7 +47,18 @@
# explicitly rejected on write (see _VALID_COMPRESSIONS docstring); 'lerc' and
# 'jpeg2000' are lossy or dtype-restricted and would need their own narrower
# strategies, so they're omitted here.
LOSSLESS_CODECS = ['none', 'deflate', 'lzw', 'packbits', 'zstd', 'lz4']
#
# ``zstd`` and ``lz4`` depend on optional third-party packages that are
# not in the [tests] extras. Drop them from the strategy when those
# packages are missing so the fuzz run does not flake the moment
# Hypothesis happens to draw a codec the runner can't actually write.
from xrspatial.geotiff._compression import LZ4_AVAILABLE, ZSTD_AVAILABLE

LOSSLESS_CODECS = ['none', 'deflate', 'lzw', 'packbits']
if ZSTD_AVAILABLE:
LOSSLESS_CODECS.append('zstd')
if LZ4_AVAILABLE:
LOSSLESS_CODECS.append('lz4')

# Dtype set kept small to keep CI fast. Float and int, signed and unsigned.
ROUND_TRIP_DTYPES = ['uint8', 'uint16', 'int16', 'int32', 'float32', 'float64']
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