def test_readwrite_h5ad(typ, dataset_kwargs, backing_h5ad):
tmpdir = tempfile.TemporaryDirectory()
tmpdirpth = Path(tmpdir.name)
mid_pth = tmpdirpth / "mid.h5ad"
X = typ(X_list)
adata_src = ad.AnnData(X, obs=obs_dict, var=var_dict, uns=uns_dict)
assert not is_categorical(adata_src.obs["oanno1"])
adata_src.raw = adata_src
adata_src.write(backing_h5ad, **dataset_kwargs)
adata_mid = ad.read(backing_h5ad)
adata_mid.write(mid_pth, **dataset_kwargs)
adata = ad.read_h5ad(mid_pth)
assert is_categorical(adata.obs["oanno1"])
assert not is_categorical(adata.obs["oanno2"])
assert adata.obs.index.tolist() == ["name1", "name2", "name3"]
assert adata.obs["oanno1"].cat.categories.tolist() == ["cat1", "cat2"]
assert is_categorical(adata.raw.var["vanno2"])
assert np.all(adata.obs == adata_src.obs)
assert np.all(adata.var == adata_src.var)
assert np.all(adata.var.index == adata_src.var.index)
assert adata.var.index.dtype == adata_src.var.index.dtype
assert type(adata.raw.X) is type(adata_src.raw.X)
assert type(adata.raw.varm) is type(adata_src.raw.varm)
assert np.allclose(asarray(adata.raw.X), asarray(adata_src.raw.X))
assert np.all(adata.raw.var == adata_src.raw.var)
assert isinstance(adata.uns["uns4"]["a"], (int, np.integer))
assert isinstance(adata_src.uns["uns4"]["a"], (int, np.integer))
assert type(adata.uns["uns4"]["c"]) is type(adata_src.uns["uns4"]["c"])
assert_equal(adata, adata_src)
def test_double_index(subset_func, subset_func2):
adata = gen_adata((10, 10))
obs_subset = subset_func(adata.obs_names)
var_subset = subset_func2(adata.var_names)
v1 = adata[obs_subset, var_subset]
v2 = adata[obs_subset, :][:, var_subset]
assert np.all(asarray(v1.X) == asarray(v2.X))
assert np.all(v1.obs == v2.obs)
assert np.all(v1.var == v2.var)
def test_scale_array(count_matrix_format, zero_center):
"""
Test that running sc.pp.scale on an anndata object and an array returns the same results.
"""
X = count_matrix_format(sp.random(100, 200, density=0.3).toarray())
adata = sc.AnnData(X=X.copy(), dtype=np.float64)
sc.pp.scale(adata, zero_center=zero_center)
scaled_X = sc.pp.scale(X, zero_center=zero_center, copy=True)
assert np.array_equal(asarray(scaled_X), asarray(adata.X))
def test_view_of_view_modification():
adata = ad.AnnData(np.zeros((10, 10)))
adata[0, :][:, 5:].X = np.ones(5)
assert np.all(adata.X[0, 5:] == np.ones(5))
adata[[1, 2], :][:, [1, 2]].X = np.ones((2, 2))
assert np.all(adata.X[1:3, 1:3] == np.ones((2, 2)))
adata.X = sparse.csr_matrix(adata.X)
adata[0, :][:, 5:].X = np.ones(5) * 2
assert np.all(asarray(adata.X)[0, 5:] == np.ones(5) * 2)
adata[[1, 2], :][:, [1, 2]].X = np.ones((2, 2)) * 2
assert np.all(asarray(adata.X)[1:3, 1:3] == np.ones((2, 2)) * 2)
def test_set_scalar_subset_X(matrix_type, subset_func):
adata = ad.AnnData(matrix_type(np.zeros((10, 10))))
orig_X_val = adata.X.copy()
subset_idx = slice_subset(adata.obs_names)
adata_subset = adata[subset_idx, :]
adata_subset.X = 1
assert adata_subset.is_view
assert np.all(asarray(adata[subset_idx, :].X) == 1)
assert asarray((orig_X_val != adata.X)).sum() == mul(*adata_subset.shape)
def test_read_write_X(tmp_path, mtx_format, backed_mode, force_dense):
base_pth = Path(tmp_path)
orig_pth = base_pth / "orig.h5ad"
backed_pth = base_pth / "backed.h5ad"
orig = ad.AnnData(mtx_format(asarray(sparse.random(10, 10, format="csr"))))
orig.write(orig_pth)
backed = ad.read(orig_pth, backed=backed_mode)
backed.write(backed_pth, as_dense=["X"])
backed.file.close()
from_backed = ad.read(backed_pth)
assert np.all(asarray(orig.X) == asarray(from_backed.X))
def test_assigmnent_dict(adata):
d_obsp = dict(
a=pd.DataFrame(np.ones((M, M)), columns=adata.obs_names, index=adata.obs_names),
b=np.zeros((M, M)),
c=sparse.random(M, M, format="csr"),
)
d_varp = dict(
a=pd.DataFrame(np.ones((N, N)), columns=adata.var_names, index=adata.var_names),
b=np.zeros((N, N)),
c=sparse.random(N, N, format="csr"),
)
adata.obsp = d_obsp
for k, v in d_obsp.items():
assert np.all(asarray(adata.obsp[k]) == asarray(v))
adata.varp = d_varp
for k, v in d_varp.items():
assert np.all(asarray(adata.varp[k]) == asarray(v))
def test_not_set_subset_X(matrix_type, subset_func):
adata = ad.AnnData(matrix_type(asarray(sparse.random(20, 20))))
init_hash = joblib.hash(adata)
orig_X_val = adata.X.copy()
while True:
subset_idx = slice_subset(adata.obs_names)
if len(adata[subset_idx, :]) > 2:
break
subset = adata[subset_idx, :]
subset = adata[:, subset_idx]
internal_idx = subset_func(np.arange(subset.X.shape[1]))
assert subset.is_view
subset.X[:, internal_idx] = 1
assert not subset.is_view
assert not np.any(asarray(adata.X != orig_X_val))
assert init_hash == joblib.hash(adata)
def test_inplace_subset_obs(matrix_type, subset_func):
orig = gen_adata((30, 30), X_type=matrix_type)
subset_idx = subset_func(orig.obs_names)
modified = orig.copy()
from_view = orig[subset_idx, :].copy()
modified._inplace_subset_obs(subset_idx)
assert_array_equal(asarray(from_view.X), asarray(modified.X))
assert_array_equal(from_view.obs, modified.obs)
assert_array_equal(from_view.var, modified.var)
for k in from_view.obsm:
assert_array_equal(asarray(from_view.obsm[k]),
asarray(modified.obsm[k]))
for k in from_view.varm:
assert_array_equal(asarray(from_view.varm[k]),
asarray(modified.varm[k]))
assert_array_equal(asarray(orig.varm[k]), asarray(modified.varm[k]))
for k in from_view.layers:
assert_array_equal(asarray(from_view.layers[k]),
asarray(modified.layers[k]))
def check_rep_mutation(func, X, *, fields=["layer", "obsm"], **kwargs):
"""Check that only the array meant to be modified is modified."""
adata = sc.AnnData(X=X.copy(), dtype=X.dtype)
for field in fields:
sc.get._set_obs_rep(adata, X, **{field: field})
X_array = asarray(X)
adata_X = func(adata, copy=True, **kwargs)
adatas_proc = {
field: func(adata, copy=True, **{field: field}, **kwargs)
for field in fields
}
# Modified fields
for field in fields:
result_array = asarray(
sc.get._get_obs_rep(adatas_proc[field], **{field: field}))
np.testing.assert_array_equal(asarray(adata_X.X), result_array)
# Unmodified fields
for field in fields:
np.testing.assert_array_equal(X_array, asarray(adatas_proc[field].X))
np.testing.assert_array_equal(
X_array, asarray(sc.get._get_obs_rep(adata_X, **{field: field})))
for field_a, field_b in permutations(fields, 2):
result_array = asarray(
sc.get._get_obs_rep(adatas_proc[field_a], **{field_b: field_b}))
np.testing.assert_array_equal(X_array, result_array)
def check_rep_mutation(func, X, **kwargs):
"""Check that only the array meant to be modified is modified."""
adata = sc.AnnData(
X=X.copy(),
layers={"layer": X.copy()},
obsm={"obsm": X.copy()},
dtype=X.dtype,
)
adata_X = func(adata, copy=True, **kwargs)
adata_layer = func(adata, layer="layer", copy=True, **kwargs)
adata_obsm = func(adata, obsm="obsm", copy=True, **kwargs)
assert np.array_equal(asarray(adata_X.X),
asarray(adata_layer.layers["layer"]))
assert np.array_equal(asarray(adata_X.X), asarray(adata_obsm.obsm["obsm"]))
assert np.array_equal(asarray(adata_layer.X),
asarray(adata_layer.obsm["obsm"]))
assert np.array_equal(asarray(adata_obsm.X),
asarray(adata_obsm.layers["layer"]))
assert np.array_equal(asarray(adata_X.layers["layer"]),
asarray(adata_X.obsm["obsm"]))
def test_modify_view_component(matrix_type, mapping_name):
adata = ad.AnnData(
np.zeros((10, 10)),
**{mapping_name: dict(m=matrix_type(asarray(sparse.random(10, 10))))},
)
init_hash = joblib.hash(adata)
subset = adata[:5, :][:, :5]
assert subset.is_view
m = getattr(subset, mapping_name)["m"]
m[0, 0] = 100
assert not subset.is_view
assert getattr(subset, mapping_name)["m"][0, 0] == 100
assert init_hash == joblib.hash(adata)
def test_readwrite_zarr(typ, tmp_path):
X = typ(X_list)
adata_src = ad.AnnData(X, obs=obs_dict, var=var_dict, uns=uns_dict)
adata_src.raw = adata_src
assert not is_categorical(adata_src.obs["oanno1"])
adata_src.write_zarr(tmp_path / "test_zarr_dir", chunks=True)
adata = ad.read_zarr(tmp_path / "test_zarr_dir")
assert is_categorical(adata.obs["oanno1"])
assert not is_categorical(adata.obs["oanno2"])
assert adata.obs.index.tolist() == ["name1", "name2", "name3"]
assert adata.obs["oanno1"].cat.categories.tolist() == ["cat1", "cat2"]
assert is_categorical(adata.raw.var["vanno2"])
assert np.all(adata.obs == adata_src.obs)
assert np.all(adata.var == adata_src.var)
assert np.all(adata.var.index == adata_src.var.index)
assert adata.var.index.dtype == adata_src.var.index.dtype
assert type(adata.raw.X) is type(adata_src.raw.X)
assert np.allclose(asarray(adata.raw.X), asarray(adata_src.raw.X))
assert np.all(adata.raw.var == adata_src.raw.var)
assert isinstance(adata.uns["uns4"]["a"], (int, np.integer))
assert isinstance(adata_src.uns["uns4"]["a"], (int, np.integer))
assert type(adata.uns["uns4"]["c"]) is type(adata_src.uns["uns4"]["c"])
assert_equal(adata, adata_src)
def test_concatenate_fill_value(fill_val):
def get_obs_els(adata):
return {
"X": adata.X,
**{f"layer_{k}": adata.layers[k]
for k in adata.layers},
**{f"obsm_{k}": adata.obsm[k]
for k in adata.obsm},
}
adata1 = gen_adata((10, 10))
adata1.obsm = {
k: v
for k, v in adata1.obsm.items() if not isinstance(v, pd.DataFrame)
}
adata2 = gen_adata((10, 5))
adata2.obsm = {
k: v[:, :v.shape[1] // 2]
for k, v in adata2.obsm.items() if not isinstance(v, pd.DataFrame)
}
adata3 = gen_adata((7, 3))
adata3.obsm = {
k: v[:, :v.shape[1] // 3]
for k, v in adata3.obsm.items() if not isinstance(v, pd.DataFrame)
}
joined = adata1.concatenate([adata2, adata3],
join="outer",
fill_value=fill_val)
ptr = 0
for orig in [adata1, adata2, adata3]:
cur = joined[ptr:ptr + orig.n_obs]
cur_els = get_obs_els(cur)
orig_els = get_obs_els(orig)
for k, cur_v in cur_els.items():
orig_v = orig_els.get(k, sparse.csr_matrix((orig.n_obs, 0)))
assert_equal(cur_v[:, :orig_v.shape[1]], orig_v)
np.testing.assert_equal(asarray(cur_v[:, orig_v.shape[1]:]),
fill_val)
ptr += orig.n_obs
def test_view_of_view(matrix_type, subset_func, subset_func2):
adata = gen_adata((30, 15), X_type=matrix_type)
if subset_func is single_subset:
pytest.xfail("Other subset generating functions have trouble with this")
var_s1 = subset_func(adata.var_names, min_size=4)
var_view1 = adata[:, var_s1]
var_s2 = subset_func2(var_view1.var_names)
var_view2 = var_view1[:, var_s2]
assert var_view2._adata_ref is adata
obs_s1 = subset_func(adata.obs_names, min_size=4)
obs_view1 = adata[obs_s1, :]
obs_s2 = subset_func2(obs_view1.obs_names)
assert adata[obs_s1, :][:, var_s1][obs_s2, :]._adata_ref is adata
view_of_actual_copy = adata[:, var_s1].copy()[obs_s1, :].copy()[:, var_s2].copy()
view_of_view_copy = adata[:, var_s1][obs_s1, :][:, var_s2].copy()
# Check equivalence
assert np.allclose(
asarray(view_of_actual_copy.X),
asarray(view_of_view_copy.X)
)
assert not np.any(asarray(ne(
view_of_actual_copy.obs,
view_of_view_copy.obs
)))
assert not np.any(asarray(ne(
view_of_actual_copy.var,
view_of_view_copy.var
)))
for k in adata.obsm.keys():
assert not np.any(asarray(ne(
view_of_actual_copy.obsm[k],
view_of_view_copy.obsm[k]
)))
for k in adata.varm.keys():
assert not np.any(asarray(ne(
asarray(view_of_actual_copy.varm[k]),
asarray(view_of_view_copy.varm[k])
)))
for k in adata.layers.keys():
assert not np.any(asarray(ne(
asarray(view_of_actual_copy.layers[k]),
asarray(view_of_view_copy.layers[k])
)))
