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Copy pathtest_config_params.py
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272 lines (250 loc) · 8.89 KB
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import pytest
import iarray as ia
@pytest.mark.parametrize(
"clevel, codec, filters, chunks, blocks, enforce_frame",
[
(0, ia.Codecs.ZSTD, [ia.Filters.SHUFFLE], None, None, False),
(1, ia.Codecs.BLOSCLZ, [ia.Filters.SHUFFLE], [50, 50], [20, 20], True),
(9, ia.Codecs.ZSTD, [ia.Filters.SHUFFLE, ia.Filters.DELTA], [50, 50], [20, 20], False),
(6, ia.Codecs.ZSTD, [ia.Filters.SHUFFLE], [100, 50], [50, 20], False),
(0, ia.Codecs.ZSTD, [ia.Filters.SHUFFLE], None, None, False),
],
)
def test_global_config(clevel, codec, filters, chunks, blocks, enforce_frame):
store = ia.Store(chunks, blocks, enforce_frame=enforce_frame)
ia.set_config(clevel=clevel, codec=codec, filters=filters, store=store)
config = ia.get_config()
assert config.clevel == clevel
assert config.codec == codec
assert config.filters == filters
store2 = config.store
assert store2.chunks == chunks
assert store2.blocks == blocks
assert store2.enforce_frame == enforce_frame
# One can pass store parameters straight to config() dataclass too
ia.set_config(
clevel=clevel,
codec=codec,
filters=filters,
chunks=chunks,
blocks=blocks,
enforce_frame=False,
)
config = ia.get_config()
assert config.clevel == clevel
assert config.codec == codec
assert config.filters == filters
store2 = ia.Store()
assert store2.chunks == chunks
assert store2.blocks == blocks
assert store2.enforce_frame == False
# Or, we can set defaults via Config (for better auto-completion)
cfg = ia.Config(
clevel=clevel,
codec=codec,
filters=filters,
chunks=chunks,
blocks=blocks,
enforce_frame=False,
)
ia.set_config(cfg)
config = ia.get_config()
assert config.clevel == clevel
assert config.codec == codec
assert config.filters == filters
store2 = ia.Store()
assert store2.chunks == chunks
assert store2.blocks == blocks
assert store2.enforce_frame == False
# Or, we can use a mix of Config and keyword args
cfg = ia.Config(
clevel=clevel,
codec=codec,
blocks=blocks,
enforce_frame=False,
)
ia.set_config(cfg, filters=filters, chunks=chunks)
config = ia.get_config()
assert config.clevel == clevel
assert config.codec == codec
assert config.filters == filters
store2 = ia.Store()
assert store2.chunks == chunks
assert store2.blocks == blocks
assert store2.enforce_frame == False
@pytest.mark.parametrize(
"favor, filters, chunks, blocks",
[
(ia.Favors.BALANCE, [ia.Filters.BITSHUFFLE], None, None),
(ia.Favors.SPEED, [ia.Filters.SHUFFLE], [50, 50], [20, 20]),
(ia.Favors.CRATIO, [ia.Filters.BITSHUFFLE], [50, 50], [20, 20]),
],
)
def test_global_favor(favor, filters, chunks, blocks):
store = ia.Store(chunks, blocks)
ia.set_config(favor=favor, store=store)
config = ia.get_config()
assert config.favor == favor
assert config.filters == filters
assert config.store.chunks == chunks
assert config.store.blocks == blocks
@pytest.mark.parametrize(
"chunks, blocks, shape",
[
(None, None, (100, 100)),
((50, 50), (20, 20), (100, 100)),
((50, 50), (20, 20), [10, 100]),
((100, 50), (50, 20), [100, 10]),
(None, None, ()),
],
)
def test_global_config_dtype(chunks, blocks, shape):
try:
store = ia.Store(chunks, blocks)
cfg = ia.set_config(shape=shape, store=store)
store2 = cfg.store
if chunks is not None:
assert store2.chunks == chunks
assert store2.blocks == blocks
else:
# automatic partitioning
assert store2.chunks <= shape
assert store2.blocks <= store2.chunks
except ValueError:
# chunks cannot be set when a plainbuffer is used
assert shape == ()
# One can pass store parameters straight to config() dataclass too
try:
cfg = ia.set_config(
shape=shape,
chunks=chunks,
blocks=blocks,
enforce_frame=True,
)
store2 = cfg.store
if chunks is not None:
assert store2.chunks == chunks
assert store2.blocks == blocks
else:
# automatic partitioning
assert store2.chunks <= shape
assert store2.blocks <= store2.chunks
assert store2.enforce_frame == True
except ValueError:
# chunks cannot be set when a plainbuffer is used
assert shape == ()
@pytest.mark.parametrize(
"clevel, codec, filters, chunks, blocks, plainbuffer",
[
(0, ia.Codecs.ZSTD, [ia.Filters.SHUFFLE], None, None, False),
(1, ia.Codecs.BLOSCLZ, [ia.Filters.BITSHUFFLE], [50, 50], [20, 20], True),
(9, ia.Codecs.ZSTD, [ia.Filters.SHUFFLE, ia.Filters.DELTA], [50, 50], [20, 20], False),
(6, ia.Codecs.ZSTD, [ia.Filters.SHUFFLE], [100, 50], [50, 20], False),
(0, ia.Codecs.ZSTD, [ia.Filters.SHUFFLE], None, None, False),
],
)
def test_config_ctx(clevel, codec, filters, chunks, blocks, plainbuffer):
try:
store = ia.Store(chunks, blocks, plainbuffer=plainbuffer)
with ia.config(clevel=clevel, codec=codec, filters=filters, store=store) as cfg:
assert cfg.clevel == clevel
assert cfg.codec == codec
assert cfg.filters == filters
assert cfg.store.chunks == chunks
assert cfg.store.blocks == blocks
assert cfg.store.plainbuffer == plainbuffer
except ValueError:
# chunks cannot be set when a plainbuffer is used
assert plainbuffer and chunks is not None
# One can pass store parameters straight to config() dataclass too
try:
with ia.config(
clevel=clevel,
codec=codec,
filters=filters,
chunks=chunks,
blocks=blocks,
plainbuffer=False,
) as cfg:
assert cfg.clevel == clevel
assert cfg.codec == codec
assert cfg.filters == filters
assert cfg.store.chunks == chunks
assert cfg.store.blocks == blocks
assert cfg.store.plainbuffer == False
except ValueError:
# chunks cannot be set when a plainbuffer is used
assert plainbuffer and chunks is not None
@pytest.mark.parametrize(
"chunks, blocks, shape",
[
(None, None, (100, 100)),
((50, 50), (20, 20), (100, 100)),
((50, 50), (20, 20), [10, 100]),
((100, 50), (50, 20), [100, 10]),
(None, None, ()),
],
)
def test_config_ctx_dtype(chunks, blocks, shape):
try:
store = ia.Store(chunks, blocks)
with ia.config(shape=shape, store=store) as cfg:
store2 = cfg.store
if chunks is not None:
assert store2.chunks == chunks
assert store2.blocks == blocks
else:
# automatic partitioning
assert store2.chunks <= shape
assert store2.blocks <= store2.chunks
except ValueError:
# chunks cannot be set when a plainbuffer is used
assert shape == ()
# One can pass store parameters straight to config() dataclass too
try:
with ia.config(
shape=shape,
chunks=chunks,
blocks=blocks,
enforce_frame=True,
) as cfg:
store2 = cfg.store
if chunks is not None:
assert store2.chunks == chunks
assert store2.blocks == blocks
else:
# automatic partitioning
assert store2.chunks <= shape
assert store2.blocks <= store2.chunks
assert store2.enforce_frame == True
except ValueError:
# chunks cannot be set when a plainbuffer is used
assert shape == ()
def test_nested_contexts():
# Set the default to enable compression
ia.set_config(clevel=5, btune=False)
a = ia.ones((100, 100))
assert a.cratio > 1
# Now play with contexts and params in calls
# Disable compression in contexts
with ia.config(clevel=0):
a = ia.ones((100, 100))
assert a.cratio < 1
# Enable compression in call
a = ia.ones((100, 100), clevel=1)
assert a.cratio > 1
# Enable compression in nested context
with ia.config(clevel=1):
a = ia.ones((100, 100))
assert a.cratio > 1
# Disable compression in double nested context
with ia.config(clevel=0):
a = ia.ones((100, 100))
assert a.cratio < 1
# Finally, the default should be enabling compression again
a = ia.ones((100, 100))
assert a.cratio > 1
@pytest.fixture(scope="function", autouse=True)
def cleanup(request):
# Make the defaults sane for other tests to come
return request.addfinalizer(ia.reset_config_defaults)