refactor testing utilities to not rely on xclim, name pooch class gosset

src/xsdba/__init__.py

@@ -23,23 +23,23 @@
 import importlib.util
 import warnings
 
-from . import adjustment, base, detrending, processing, testing, units, utils
+from xsdba import adjustment, base, detrending, processing, units, utils
 
 xclim_installed = importlib.util.find_spec("xclim") is not None
 if not xclim_installed:
     warnings.warn(
         "Sub-modules `properties` and `measures` depend on `xclim`. Run `pip install xsdba['extras']` to install it."
     )
 else:
-    from . import (
+    from xsdba import (
         measures,
         properties,
     )
 
-from .adjustment import *
-from .base import Grouper
-from .options import set_options
-from .processing import stack_variables, unstack_variables
+from xsdba.adjustment import *
+from xsdba.base import Grouper
+from xsdba.options import set_options
+from xsdba.processing import stack_variables, unstack_variables
 
 # TODO: ISIMIP ? Used for precip freq adjustment in biasCorrection.R
 # Hempel, S., Frieler, K., Warszawski, L., Schewe, J., & Piontek, F. (2013). A trend-preserving bias correction –

src/xsdba/testing/__init__.py

@@ -0,0 +1,6 @@
+"""Testing utilities for xsdba."""
+
+from __future__ import annotations
+
+from xsdba.testing import utils
+from xsdba.testing.helpers import *

src/xsdba/testing.py → src/xsdba/testing/helpers.py

@@ -1,52 +1,22 @@
-"""Testing utilities for xsdba."""
+"""Helper functions for testing purposes."""
 
 from __future__ import annotations
 
 import collections
-import hashlib
-import logging
-import os
-import warnings
-from pathlib import Path
-from urllib.error import HTTPError, URLError
-from urllib.parse import urljoin, urlparse
-from urllib.request import urlopen, urlretrieve
 
 import numpy as np
 import pandas as pd
 import xarray as xr
-from platformdirs import user_cache_dir
 from scipy.stats import gamma
-from xarray import open_dataset as _open_dataset
 
 from xsdba.utils import equally_spaced_nodes
 
-__all__ = ["nancov", "test_timelonlatseries", "test_timeseries"]
-
-# keeping xclim-testdata for now, since it's still this on gitHub
-_default_cache_dir = Path(user_cache_dir("xclim-testdata"))
-
-# XC
-TESTDATA_BRANCH = os.getenv("XCLIM_TESTDATA_BRANCH", "main")
-"""Sets the branch of Ouranosinc/xclim-testdata to use when fetching testing datasets.
-
-Notes
------
-When running tests locally, this can be set for both `pytest` and `tox` by exporting the variable:
-
-.. code-block:: console
-
-    $ export XCLIM_TESTDATA_BRANCH="my_testing_branch"
-
-or setting the variable at runtime:
-
-.. code-block:: console
-
-    $ env XCLIM_TESTDATA_BRANCH="my_testing_branch" pytest
-
-"""
-
-logger = logging.getLogger("xsdba")
+__all__ = [
+    "test_cannon_2015_dist",
+    "test_cannon_2015_rvs",
+    "test_timelonlatseries",
+    "test_timeseries",
+]
 
 
 def test_cannon_2015_dist():  # noqa: D103
@@ -116,10 +86,3 @@ def test_timeseries(
         return da.to_dataset()
     else:
         return da
-
-
-# XC
-def nancov(X):
-    """Drop observations with NaNs from Numpy's cov."""
-    X_na = np.isnan(X).any(axis=0)
-    return np.cov(X[:, ~X_na])

src/xsdba/testing/registry.txt

@@ -0,0 +1,4 @@
+sdba/CanESM2_1950-2100.nc sha256:b41fe603676e70d16c747ec207eb75ec86a39b665de401dcb23b5969ab3e1b32
+sdba/adjusted_external.nc sha256:ff325c88eca96844bc85863744e4e08bcdf3d257388255636427ad5e11960d2e
+sdba/ahccd_1950-2013.nc sha256:7e9a1f61c1d04ca257b09857a82715f1fa3f0550d77f97b7306d4eaaf0c70239
+sdba/nrcan_1950-2013.nc sha256:4ce2dcfdac09b028db0f3e348272a496d796c36d4f3c4a412ebcca11449b7237