chore: move tests from tox to nox

.github/workflows/lint.yml

@@ -19,11 +19,5 @@ jobs:
           python-version: 3.8
           architecture: x64
 
-      - name: Install/fetch dependencies
-        run: |
-          set -exuo pipefail
-          pip install --upgrade pip setuptools
-          pip install tox
-
       - name: Run linter
-        run: tox -e lint
+        run: pipx run nox -s lint

.github/workflows/test.yml

@@ -34,11 +34,5 @@ jobs:
           python-version: ${{ matrix.python }}
           architecture: x64
 
-      - name: Install/fetch dependencies
-        run: |
-          set -exuo pipefail
-          pip install --upgrade pip setuptools
-          ./tests/install.sh
-
       - name: Run tests
-        run: ./tests/travis.sh
+        run: pipx run nox -s tests-${{ matrix.python }}

.travis.yml

@@ -20,14 +20,10 @@ services:
 notifications:
   email: false
 
-before_install:
-  - pip install --upgrade pip setuptools
-
 install:
-  - ./tests/install.sh
-
+  - pip install nox
 script:
-  - tests/travis.sh
+  - nox -s tests-3.8
 
 cache:
   directories:

noxfile.py

@@ -0,0 +1,75 @@
+import os
+import sys
+
+from pathlib import Path
+
+import nox
+
+
+RUNNING_CI = "TRAVIS" in os.environ or "GITHUB_ACTIONS" in os.environ
+
+
+@nox.session(reuse_venv=True)
+def lint(session: nox.Session) -> str:
+    """
+    Run linters on the codebase.
+    """
+    session.install("flake8", "mypy")
+    session.run("flake8", "auditwheel")
+    session.run("mypy", "auditwheel")
+
+
+@nox.session()
+def coverage(session: nox.Session) -> str:
+    """
+    Run coverage using unit tests.
+    """
+    session.install("-r", "test-requirements.txt", "pytest-cov")
+    session.run(
+        "python",
+        "-m",
+        "pytest",
+        "tests/unit",
+        "--cov=auditwheel",
+        "--cov-report=term-missing"
+    )
+
+
+def _docker_images(session):
+    tmp_dir = Path(session.create_tmp())
+    script = tmp_dir / "list_images.py"
+    images_file = tmp_dir / "images.lst"
+    script.write_text(
+        fr"""
+from pathlib import Path
+from tests.integration.test_manylinux import MANYLINUX_IMAGES
+images = "\n".join(MANYLINUX_IMAGES.values())
+Path(r"{images_file}").write_text(images)
+"""
+    )
+    session.run("python", str(script), silent=True)
+    return images_file.read_text().splitlines()
+
+
+@nox.session(python=["3.6", "3.7", "3.8", "3.9"])
+def tests(session: nox.Session) -> str:
+    """
+    Run tests.
+    """
+    posargs = session.posargs
+    session.install("-r", "test-requirements.txt", "-e", ".")
+    if RUNNING_CI:
+        session.install("pytest-cov", "codecov")
+        posargs.extend(["--cov", "auditwheel", "--cov-branch"])
+        # pull manylinux images that will be used.
+        # this helps passing tests which would otherwise timeout.
+        for image in _docker_images(session):
+            session.run("docker", "pull", image, external=True)
+
+    session.run("pytest", "-s", *posargs)
+    if RUNNING_CI:
+        session.run("auditwheel", "lddtree", sys.executable)
+        try:
+            session.run("codecov")
+        except nox.command.CommandFailed:
+            pass  # Ignore failures from codecov tool

test-requirements.txt

@@ -1,9 +1,6 @@
 pytest>=3.4
-pytest-cov
 jsonschema
 pypatchelf
-flake8
 pretend
 docker
 pyelftools
-mypy