Run git-annex' testremote on the cds remote (#10)

tests/conftest.py

@@ -2,11 +2,41 @@
 
 import datalad.api as da
 import pytest
+from _pytest.fixtures import SubRequest
 from datalad.conftest import setup_package  # noqa: F401
 
 
 @pytest.fixture
 def empty_dataset(tmp_path: pathlib.Path) -> da.Dataset:
     dataset = da.create(tmp_path)
+    dataset.configuration("set", [("remote.cds.dry-run", "true")], scope="local")
     yield dataset
     dataset.drop(what="all", reckless="kill", recursive=True)
+
+
+@pytest.fixture(params=["non-lazy", "lazy"])
+def single_file_dataset(request: SubRequest, empty_dataset: da.Dataset) -> da.Dataset:
+    request_dict = {
+        "dataset": "reanalysis-era5-pressure-levels",
+        "sub-selection": {
+            "variable": "temperature",
+            "pressure_level": "1000",
+            "product_type": "reanalysis",
+            "date": "2017-12-01/2017-12-31",
+            "time": "12:00",
+            "format": "grib",
+        },
+    }
+    dataset = empty_dataset
+    dataset.download_cds(
+        request_dict,
+        lazy=request.param == "lazy",
+        path="download.grib",
+    )
+    if request.param == "lazy":
+        dataset.configuration(
+            "set",
+            [("remote.cds.annex-security-allow-unverified-downloads", "ACKTHPPT")],
+            scope="local",
+        )
+    return dataset

tests/test_cds_remote.py

@@ -0,0 +1,23 @@
+import subprocess
+
+import datalad.api as da
+
+
+def test_with_git_annex_testremote(single_file_dataset: da.Dataset) -> None:
+    dataset = single_file_dataset
+    dataset.get("download.grib")
+    result = subprocess.run(
+        [
+            "git",
+            "-C",
+            dataset.path,
+            "annex",
+            "testremote",
+            "cds",
+            "--test-readonly",
+            "download.grib",
+        ],
+        capture_output=True,
+        text=True,
+    )
+    assert result.returncode == 0, f"{result.stdout=}\n{result.stderr=}"

tests/test_download_cds.py

@@ -22,7 +22,6 @@
 @pytest.mark.parametrize("cds_request", [request_dict, json.dumps(request_dict)])
 def test_download_cds(cds_request: Union[str, dict], empty_dataset: da.Dataset) -> None:
     dataset = empty_dataset
-    dataset.configuration("set", [("remote.cds.dry-run", "true")], scope="local")
     dataset.download_cds(
         cds_request,
         path="download.grib",