add unit test setup for cudf_kafka (#15853)

Fixes #15841

Proposes adding a basic unit test setup for `cudf_kafka`.

Authors:
  - James Lamb (https://github.com/jameslamb)

Approvers:
  - Bradley Dice (https://github.com/bdice)

URL: #15853

ci/run_cudf_kafka_pytests.sh

@@ -0,0 +1,9 @@
+#!/bin/bash
+# Copyright (c) 2024, NVIDIA CORPORATION.
+
+set -euo pipefail
+
+# Support invoking run_cudf_kafka_pytests.sh outside the script directory
+cd "$(dirname "$(realpath "${BASH_SOURCE[0]}")")"/../python/cudf_kafka/cudf_kafka
+
+pytest --cache-clear "$@" tests

ci/run_custreamz_pytests.sh

@@ -3,7 +3,7 @@
 
 set -euo pipefail
 
-# It is essential to cd into python/cudf/cudf as `pytest-xdist` + `coverage` seem to work only at this directory level.
+# It is essential to cd into python/custreamz/custreamz/ as `pytest-xdist` + `coverage` seem to work only at this directory level.
 
 # Support invoking run_custreamz_pytests.sh outside the script directory
 cd "$(dirname "$(realpath "${BASH_SOURCE[0]}")")"/../python/custreamz/custreamz/

ci/run_dask_cudf_pytests.sh

@@ -3,7 +3,7 @@
 
 set -euo pipefail
 
-# It is essential to cd into python/cudf/cudf as `pytest-xdist` + `coverage` seem to work only at this directory level.
+# It is essential to cd into python/dask_cudf/dask_cudf/ as `pytest-xdist` + `coverage` seem to work only at this directory level.
 
 # Support invoking run_dask_cudf_pytests.sh outside the script directory
 cd "$(dirname "$(realpath "${BASH_SOURCE[0]}")")"/../python/dask_cudf/dask_cudf/

ci/test_python_other.sh

@@ -36,6 +36,10 @@ DASK_DATAFRAME__QUERY_PLANNING=False ./ci/run_dask_cudf_pytests.sh \
   --dist=loadscope \
   .
 
+rapids-logger "pytest cudf_kafka"
+./ci/run_cudf_kafka_pytests.sh \
+  --junitxml="${RAPIDS_TESTS_DIR}/junit-cudf-kafka.xml"
+
 rapids-logger "pytest custreamz"
 ./ci/run_custreamz_pytests.sh \
   --junitxml="${RAPIDS_TESTS_DIR}/junit-custreamz.xml" \

python/cudf_kafka/cudf_kafka/tests/test_version.py

@@ -0,0 +1,12 @@
+# Copyright (c) 2024, NVIDIA CORPORATION.
+
+import cudf_kafka
+
+
+def test_version_constants_are_populated():
+    # __git_commit__ will only be non-empty in a built distribution
+    assert isinstance(cudf_kafka.__git_commit__, str)
+
+    # __version__ should always be non-empty
+    assert isinstance(cudf_kafka.__version__, str)
+    assert len(cudf_kafka.__version__) > 0

python/cudf_kafka/pyproject.toml

@@ -82,6 +82,11 @@ skip = [
     "__init__.py",
 ]
 
+[tool.pytest.ini_options]
+filterwarnings = [
+  "error"
+]
+
 [tool.scikit-build]
 build-dir = "build/{wheel_tag}"
 cmake.build-type = "Release"