refactor: 🔧 New test setup and modernize dev install (#3128)

* refactor: 🔥 Remove legacy test files and migrate dev dependencies to `pyproject.toml`

* test: ✅ Add dummy test file

* chore: 📄 License

Author: Paillat-dev

.github/workflows/lib-checks.yml

@@ -38,11 +38,11 @@ jobs:
         with:
           python-version: "3.13"
           cache: "pip"
-          cache-dependency-path: "requirements/dev.txt"
+          cache-dependency-path: "pyproject.toml"
       - name: "Install dependencies"
         run: |
           python -m pip install --upgrade pip
-          pip install -r requirements/dev.txt
+          pip install . --group dev
       - name: "Run codespell"
         run:
           codespell --ignore-words-list="groupt,nd,ot,ro,falsy,BU" \
@@ -58,11 +58,11 @@ jobs:
         with:
           python-version: "3.13"
           cache: "pip"
-          cache-dependency-path: "requirements/dev.txt"
+          cache-dependency-path: "pyproject.toml"
       - name: "Install dependencies"
         run: |
           python -m pip install --upgrade pip
-          pip install -r requirements/dev.txt
+          pip install . --group dev
       - name: "Run bandit"
         run: bandit --recursive  --skip B101,B104,B105,B110,B307,B311,B404,B603,B607 .
   pylint:
@@ -76,11 +76,11 @@ jobs:
         with:
           python-version: "3.13"
           cache: "pip"
-          cache-dependency-path: "requirements/dev.txt"
+          cache-dependency-path: "pyproject.toml"
       - name: "Install dependencies"
         run: |
           python -m pip install --upgrade pip
-          pip install -r requirements/dev.txt
+          pip install . --group dev
       - name: "Setup cache"
         id: cache-pylint
         uses: actions/cache@v5
@@ -100,11 +100,11 @@ jobs:
         with:
           python-version: "3.13"
           cache: "pip"
-          cache-dependency-path: "requirements/dev.txt"
+          cache-dependency-path: "pyproject.toml"
       - name: "Install dependencies"
         run: |
           python -m pip install --upgrade pip
-          pip install -r requirements/dev.txt
+          pip install . --group dev
       - name: "Setup cache"
         id: cache-mypy
         uses: actions/cache@v5
@@ -116,39 +116,58 @@ jobs:
         run: mkdir -p -v .mypy_cache
       - name: "Run mypy"
         run: mypy --non-interactive discord/
-  pytest:
-    strategy:
-      matrix:
-        os: [ubuntu-latest, macos-latest, windows-latest]
-        python-version: ["3.10", "3.11", "3.12", "3.13"]
-    runs-on: ${{ matrix.os }}
-    env:
-      OS: ${{ matrix.os }}
-      PYTHON: ${{ matrix.python-version }}
+  flake8:
+    runs-on: ubuntu-latest
     steps:
       - name: "Checkout Repository"
         uses: actions/checkout@v6
       - name: "Setup Python"
         uses: actions/setup-python@v6
         with:
-          python-version: ${{ matrix.python-version }}
+          python-version: "3.13"
           cache: "pip"
-          cache-dependency-path: "requirements/dev.txt"
-          check-latest: true
+          cache-dependency-path: "pyproject.toml"
       - name: "Install dependencies"
         run: |
           python -m pip install --upgrade pip
-          pip install flake8
-          pip install -r requirements/dev.txt
-      - name: "Setup cache"
-        id: cache-pytest
-        uses: actions/cache@v5
-        with:
-          path: .pytest_cache
-          key: ${{ matrix.os }}-${{ matrix.python-version }}-pytest
+          pip install . --group dev
       - name: "Lint with flake8"
         run: |
-          # stop the build if there are Python syntax errors or undefined names
           flake8 . --count --select=E9,F63,F7,F82 --show-source --statistics
-          # exit-zero treats all errors as warnings.
           flake8 . --count --exit-zero --max-complexity=10 --max-line-length=120 --statistics
+  tests:
+    if: ${{ github.event_name != 'schedule' }}
+    runs-on: ${{ matrix.os }}
+    strategy:
+      matrix:
+        os: [ubuntu-latest, windows-latest, macos-latest]
+        python-version: ["3.10", "3.11", "3.12", "3.13"]
+    steps:
+      - name: "Checkout Repository"
+        uses: actions/checkout@v6
+
+      - name: "Setup Python"
+        uses: actions/setup-python@v6
+        with:
+          python-version: "3.13"
+          cache: "pip"
+          cache-dependency-path: "pyproject.toml"
+
+      - name: "Install dependencies"
+        run: |
+          python -m pip install --upgrade pip
+          pip install . --group dev
+
+      - name: "Run tests"
+        run: tox
+  tests-pass: # ref: https://github.com/orgs/community/discussions/4324#discussioncomment-3477871
+    runs-on: ubuntu-latest
+    needs: [tests]
+    if: always() && github.event_name != 'schedule'
+    steps:
+      - name: Tests succeeded
+        if: ${{ !(contains(needs.*.result, 'failure')) }}
+        run: exit 0
+      - name: Tests failed
+        if: ${{ contains(needs.*.result, 'failure') }}
+        run: exit 1

MANIFEST.in

@@ -17,4 +17,3 @@ exclude .prettierrc
 exclude .readthedocs.yml
 exclude CHANGELOG.md
 exclude FUNDING.yml
-exclude requirements-dev.txt

pyproject.toml

@@ -64,6 +64,22 @@ docs = { file = "requirements/docs.txt" }
 speed = { file = "requirements/speed.txt" }
 voice = { file = "requirements/voice.txt" }
 
+[dependency-groups]
+dev = [
+    "pylint~=3.3.8",
+    "mypy~=1.19.1",
+    "coverage~=7.10",
+    "pre-commit==4.5.1",
+    "codespell==2.4.1",
+    "bandit==1.9.4",
+    "flake8==7.3.0",
+    "tox>=4.27.0",
+    "tox-gh>=1.5.0"
+]
+test = [
+    "pytest~=9.0.1",
+    "pytest-asyncio~=1.3.0",
+]
 [tool.setuptools_scm]
 
 [tool.black]
@@ -102,5 +118,22 @@ disable = [
 indent-string = '    '
 max-line-length = 120
 
-[tool.pytest.ini_options]
+[tool.pytest]
 asyncio_mode = "auto"
+asyncio_default_fixture_loop_scope = "function"
+
+[tool.tox]
+requires = ["tox>=4"]
+env_list = ["3.13", "3.12", "3.11", "3.10"]
+
+[tool.tox.env_run_base]
+description = "run unit tests"
+commands = [["pytest", { replace = "posargs", default = ["tests"], extend = true }]]
+dependency_groups = ["test"]
+
+# GitHub actions
+[tool.tox.gh.python]
+"3.13" = ["3.13"]
+"3.12" = ["3.12"]
+"3.11" = ["3.11"]
+"3.10" = ["3.10"]

requirements/all.txt

@@ -1,4 +1,3 @@
--r dev.txt
 -r docs.txt
 -r speed.txt
 -r voice.txt

requirements/dev.txt

@@ -1,7 +1,6 @@
 """
 The MIT License (MIT)
 
-Copyright (c) 2015-2021 Rapptz
 Copyright (c) 2021-present Pycord Development
 
 Permission is hereby granted, free of charge, to any person obtaining a
@@ -23,10 +22,8 @@
 DEALINGS IN THE SOFTWARE.
 """
 
-from typing import TypeVar
+import discord
 
-V = TypeVar("V")
 
-
-async def coroutine(val: V) -> V:
-    return val
+def test_dummy():
+    assert True