Add some tests

.github/workflows/tests.yml

@@ -0,0 +1,39 @@
+name: Unit tests
+
+on:
+  push:
+    branches:
+      - main
+  pull_request:
+
+jobs:
+  test:
+    strategy:
+      matrix:
+        python:
+          - "3.12"
+    runs-on: ubuntu-latest
+    steps:
+      - uses: actions/checkout@v4
+
+      - uses: actions/setup-python@v5
+        with:
+          python-version: ${{ matrix.python }}
+          cache: "pip"
+          cache-dependency-path: pyproject.toml
+
+      - name: install uv
+        run: >
+          curl --no-progress-meter --location --fail
+          --proto '=https' --tlsv1.2
+          "https://astral.sh/uv/install.sh"
+          | sh
+
+      - name: Setup rust
+        uses: dtolnay/rust-toolchain@1482605bfc5719782e1267fd0c0cc350fe7646b8
+        with:
+          components: rustfmt
+          toolchain: 1.81.0
+
+      - name: test
+        run: make test INSTALL_EXTRA=test

Makefile

@@ -1,6 +1,9 @@
 SHELL := /bin/bash
 
-ALL_PY_SRCS := $(shell find src -name '*.py')
+PY_IMPORT = sigstore_tsp
+
+ALL_PY_SRCS := $(shell find src -name '*.py') \
+		$(shell find test -name '*.py')
 
 # Optionally overriden by the user, if they're using a virtual environment manager.
 VENV ?= .venv
@@ -61,4 +64,12 @@ reformat:
 
 .PHONY: doc
 doc:
-	@echo "No documentation set up"
+	@echo "No documentation set up"
+
+
+.PHONY: test tests
+test tests: $(VENV)/pyvenv.cfg
+	. $(VENV_BIN)/activate && \
+		pytest --cov=$(PY_IMPORT) $(T) $(TEST_ARGS) && \
+		python -m coverage report -m $(COV_ARGS)
+	cargo test --manifest-path rust/Cargo.toml

test/test_init.py

@@ -0,0 +1,6 @@
+import sigstore_tsp
+
+def test_version() -> None:
+    version = getattr(sigstore_tsp, "__version__", None)
+    assert version is not None
+    assert isinstance(version, str)