Setup mutation coverage

.github/workflows/mutation-coverage.yml

@@ -0,0 +1,64 @@
+# The MIT License (MIT).
+#
+# Copyright (c) 2024 Almaz Ilaletdinov <[email protected]>
+#
+# Permission is hereby granted, free of charge, to any person obtaining a copy
+# of this software and associated documentation files (the "Software"), to deal
+# in the Software without restriction, including without limitation the rights
+# to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+# copies of the Software, and to permit persons to whom the Software is
+# furnished to do so, subject to the following conditions:
+#
+# The above copyright notice and this permission notice shall be included in all
+# copies or substantial portions of the Software.
+#
+# THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
+# EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
+# MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.
+# IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM,
+# DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR
+# OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE
+# OR OTHER DEALINGS IN THE SOFTWARE.
+
+name: Check pull request
+
+on:
+  schedule:
+    - cron: '17 13 * * 3'
+  workflow_dispatch:
+
+permissions:
+  contents: read
+
+jobs:
+  tests:
+    runs-on: ubuntu-22.04
+    steps:
+      - uses: actions/checkout@v4
+      - name: Set up Python
+        uses: actions/setup-python@v5
+        with:
+          python-version: 3.9
+      - name: Install Poetry
+        uses: snok/[email protected]
+        with:
+          virtualenvs-create: true
+          virtualenvs-in-project: true
+          installer-parallel: true
+      - name: Load cached venv
+        id: cached-poetry-dependencies
+        uses: actions/cache@v4
+        with:
+          path: .venv
+          key: venv-${{ matrix.python_version }}-${{ hashFiles('**/poetry.lock') }}
+      - name: Install dependencies
+        if: steps.cached-poetry-dependencies.outputs.cache-hit != 'true'
+        run: poetry install --no-interaction
+      - name: Run mutmut
+        run: |
+          poetry run mutmut run
+          mutant_ids=poetry run mutmut result-ids survived | tr ' ' '\n'
+          for id in $mutant_ids
+          do
+            poetry run mutmut show $id
+          done

.gitignore

@@ -230,3 +230,5 @@ tags
 # End of https://www.toptal.com/developers/gitignore/api/python,vim,macos
 
 .deltaver_cache
+
+.mutmut-cache

pyproject.toml

@@ -108,3 +108,8 @@ testpaths = [
 [tool.deltaver]
 fail_on_avg = 50
 fail_on_max = 360
+
+[tool.mutmut]
+paths_to_mutate="ondivi"
+runner="pytest tests -x -q --tb=no -o addopts=''"
+tests_dir="tests"