Try to generate coverage from Python

.github/workflows/rust.yml

@@ -48,14 +48,23 @@ jobs:
       - name: Install Python
         uses: actions/setup-python@v4
         with:
-          python-version: '3.10'
+          python-version: "3.11"
+          cache: "pip"
+      - name: Setup Python environment
+        run: |
+          pip install --user maturin
+          python -m venv .venv
+          maturin develop -e test
       - name: Install cargo-llvm-cov
         uses: taiki-e/install-action@cargo-llvm-cov
       - name: Generate code coverage
-        run: cargo llvm-cov --all-features --workspace --lcov --output-path lcov.info
+        run: |
+          cargo llvm-cov --all-features --workspace --lcov --output-path lcov.info
+          source .venv/bin/activate
+          pytest tests --cov=lox_space --cov-report xml
       - name: Upload coverage to Codecov
         uses: codecov/codecov-action@v3
         with:
           token: ${{ secrets.CODECOV_TOKEN }} # not required for public repos
-          files: lcov.info
+          files: lcov.info, coverage.xml
           fail_ci_if_error: true

README.md

@@ -1,6 +1,6 @@
 # LOX
 
-[![codecov](https://codecov.io/gh/OpenAstrodynamics/lox/branch/main/graph/badge.svg?token=R1W6HLN2N2)](https://codecov.io/gh/OpenAstrodynamics/lox)
+[![codecov](https://codecov.io/gh/lox-space/lox/graph/badge.svg?token=R1W6HLN2N2)](https://codecov.io/gh/lox-space/lox)
 
 > Liquid oxygen—abbreviated LOx, LOX or Lox in the aerospace, submarine and gas industries—is the liquid form of molecular oxygen.
 > It was used as the *oxidizer* in the first liquid-fueled rocket invented in 1926 by Robert H. Goddard, an application which has continued to the present.

crates/lox_py/pyproject.toml

@@ -19,6 +19,10 @@ dependencies = [
 dev = [
     "black"
 ]
+test = [
+    "pytest",
+    "pytest-cov",
+]
 
 [tool.maturin]
 features = ["pyo3/extension-module"]

crates/lox_py/tests/test_coords.py

@@ -0,0 +1,16 @@
+#  Copyright (c) 2024. Helge Eichhorn and the LOX contributors
+#
+#  This Source Code Form is subject to the terms of the Mozilla Public
+#  License, v. 2.0. If a copy of the MPL was not distributed with this
+#  file, you can obtain one at https://mozilla.org/MPL/2.0/.
+
+import lox_space as lox
+import numpy as np
+
+def test_iss():
+    time = lox.Epoch("TDB", 2016, 5, 30, 12)
+    position = np.array([6068279.27, -1692843.94, -2516619.18]) * 1e-3
+    velocity = np.array([-660.415582, 5495.938726, -5303.093233]) * 1e-3
+    iss_cartesian = lox.Cartesian(time, lox.Planet("Earth"), "ICRF", position, velocity)
+    iss = iss_cartesian.to_keplerian()
+    assert isinstance(iss, lox.Keplerian)