test coverage, profiling tests, and rearranging uv lock (#206)

* test coverage, profiling tests, and rearranging uv lock

* try moving to dep group syntax for dev install

Author: evinism

.github/workflows/python.yml

@@ -14,6 +14,7 @@ jobs:
         working-directory: ./py
     env:
       TYPEGUARD: 1
+      PROFILE: 1
 
     strategy:
       fail-fast: false
@@ -33,9 +34,9 @@ jobs:
       - name: Install Python
         run: uv venv -p ${{ matrix.python-version }}
       - name: Install deps
-        run: uv pip install -e ".[dev]"
+        run: uv pip install -e . --group dev
       - name: Test
-        run: uv run pytest
+        run: uv run pytest --cov=mistql
       - name: Lint
         run: uv run ruff format --check
       - name: Typecheck

py/pyproject.toml

@@ -19,13 +19,14 @@ dependencies = [
 authors = [{ name = "Evin Sellin", email = "evinism@gmail.com" }]
 urls = { Repository = "https://github.com/evinism/mistql", Issues = "https://github.com/evinism/mistql/issues" }
 
-[project.optional-dependencies]
+[dependency-groups]
 dev = [
     "pytest>=7.4.4,<8.0.0",
     "ruff>=0.11.12,<0.12.0",
     "toml>=0.10.2,<1.0.0",
     "mypy>=1.4.1,<2.0.0",
     "snakeviz>=2.2.0,<3.0.0",
+    "pytest-cov>=5.0.0",
 ]
 
 [[tool.mypy.overrides]]

py/tests/test_performance.py

@@ -37,7 +37,7 @@ def test_performance():
     profiler.disable()
 
     # Print profiling results
-    s = io.StringIO()
-    ps = pstats.Stats(profiler, stream=s).sort_stats("cumulative")
-    ps.print_stats()
+    ps = pstats.Stats(profiler)
     ps.dump_stats("profile.pstats")
+    ps.strip_dirs()
+    ps.sort_stats("cumulative").print_stats(20)