test: generate unit tests for cpu and cuda (#2938)

* feat: generate unit tests for cuda

* feat: complete the function

* refactor: remove data variable

* style: pre-commit fixes

* fix: dtypes order

* refactor: add status to unit-tests

* tests: generate cpu unit tests and skip cuda tests for now

* style: pre-commit fixes

* tests: remove out of bound tests

* fix: output values

* ci: add tests-cpu-kernels-explicit

* refactor: change name of tests

* fix: CuPy dtype

* refactor: correct variable name

* don't track auto-generated tests in git

* refactor: remove kernel tests from awkward-cpp .gitignore

---------

Co-authored-by: pre-commit-ci[bot] <66853113+pre-commit-ci[bot]@users.noreply.github.com>
Co-authored-by: Jim Pivarski <[email protected]>

.github/workflows/test.yml

@@ -124,6 +124,9 @@ jobs:
       - name: Test CPU kernels
         run: python -m pytest -vv -rs awkward-cpp/tests-cpu-kernels
 
+      - name: Test CPU kernels with explicitly defined values
+        run: python -m pytest -vv -rs awkward-cpp/tests-cpu-kernels-explicit
+
       - name: Test non-kernels
         run: >-
           python -m pytest -vv -rs tests --cov=awkward --cov-report=term

.gitignore

@@ -11,7 +11,12 @@ src/awkward/_connect/header-only
 src/awkward/_version.py
 
 # Kernel tests
+awkward-cpp/tests-cpu-kernels
+awkward-cpp/tests-cpu-kernels-explicit
+awkward-cpp/tests-spec
+awkward-cpp/tests-spec-explicit
 tests-cuda-kernels
+tests-cuda-kernels-explicit
 
 # to use all-contributors-cli without adding it to the project
 node_modules

awkward-cpp/.gitignore

@@ -7,9 +7,4 @@ header-only
 include/awkward/kernels.h
 src/awkward_cpp/_kernel_signatures.py
 
-# Kernel tests
-tests-spec
-tests-spec-explicit
-tests-cpu-kernels
-
 dist

awkward-cpp/pyproject.toml

@@ -68,5 +68,6 @@ sdist.include = [
     "src/awkward_cpp/_kernel_signatures.py",
     "tests-spec",
     "tests-spec-explicit",
-    "tests-cpu-kernels"
+    "tests-cpu-kernels",
+    "tests-cpu-kernels-explicit"
 ]

cibuildwheel.toml

@@ -3,6 +3,7 @@ test-requires = ["pytest>=6", "."]
 test-command = """
 pytest {project}/tests \
        {package}/tests-cpu-kernels \
+       {package}/tests-cpu-kernels-explicit \
        {package}/tests-spec \
        {package}/tests-spec-explicit
 """