ci: enable CI for fs2 to measure code coverage

.coveragerc

@@ -0,0 +1,16 @@
+[run]
+source_pkgs =
+    fs2
+    everyvoice.model.feature_prediction.FastSpeech2_lightning.fs2
+omit =
+    *tmp*
+    */run_tests.py
+    */tests/*
+    */__main__.py
+
+[report]
+precision = 2
+exclude_lines =
+    pragma: no cover
+    if 0:
+    if __name__ == .__main__.:

.github/workflows/test.yml

@@ -0,0 +1,61 @@
+name: Run Tests
+on:
+  - push
+  - pull_request
+concurrency:
+  group: ${{ github.workflow }}-${{ github.ref }}
+  cancel-in-progress: true
+jobs:
+  test:
+    runs-on: ubuntu-latest
+    timeout-minutes: 15
+    permissions:
+      pull-requests: write
+    steps:
+      - uses: actions/checkout@v4
+
+      - uses: actions/setup-python@v5
+        with:
+          python-version: "3.10"
+          cache: "pip"
+
+      - uses: FedericoCarboni/setup-ffmpeg@v2
+
+      - run: sudo apt-get install sox
+
+      - name: Fetch everyvoice
+        run: |
+          git clone https://github.com/EveryVoiceTTS/EveryVoice
+          cd EveryVoice
+          git checkout ${{ github.ref_name }} || git checkout ${{ github.head_ref }} || true
+          git submodule update --init
+          cd everyvoice/model/feature_prediction/FastSpeech2_lightning
+          git fetch origin ${{ github.ref }}
+          git checkout FETCH_HEAD
+
+      - name: Install everyvoice
+        run: |
+          cd EveryVoice
+          CUDA_TAG=cpu pip install -r requirements.torch.txt --find-links https://download.pytorch.org/whl/torch_stable.html
+          pip install -e .[dev]
+          pip install coverage
+
+      - run: pip freeze
+
+      - run: pip list
+
+      - name: Run fs2 unit tests
+        run: |
+          cd EveryVoice/everyvoice/model/feature_prediction/FastSpeech2_lightning/
+          coverage run -m unittest discover everyvoice.model.feature_prediction.FastSpeech2_lightning.fs2.tests
+          coverage xml
+
+      - name: Plain text coverage report
+        run: |
+          cd EveryVoice/everyvoice/model/feature_prediction/FastSpeech2_lightning/
+          coverage report
+
+      - uses: codecov/codecov-action@v4
+        with:
+          fail_ci_if_error: false # optional (default = false)
+          token: ${{ secrets.CODECOV_TOKEN }}