Use GitHub actions for tests

- replace all tests by GitHub actions
- fix some tests failing in real fs due to different environment

.github/workflows/pythonpackage.yml

@@ -0,0 +1,79 @@
+name: Python package
+
+on: [push]
+
+jobs:
+  linter:
+    runs-on: ${{ matrix.os }}
+    strategy:
+      matrix:
+        os: [ubuntu-latest]
+        python-version:  [3.8]
+    steps:
+    - uses: actions/checkout@v2
+    - name: Set up Python ${{ matrix.python-version }}
+      uses: actions/setup-python@v2
+      with:
+        python-version: ${{ matrix.python-version }}
+    - name: Install linter
+      run: python -m pip install flake8
+    - name: Check syntax and style
+      run: flake8 . --exclude get-pip.py --max-complexity=13 --statistics
+
+  tests:
+    runs-on: ${{ matrix.os }}
+    strategy:
+      fail-fast: false
+      matrix:
+        os: [ubuntu-latest, macOS-latest, windows-2016]
+        python-version: [3.6, 3.7, 3.8, 3.9]
+        include:
+          - python-version: pypy3
+            os: ubuntu-latest
+
+    steps:
+    - uses: actions/checkout@v2
+    - name: Set up Python ${{ matrix.python-version }}
+      uses: actions/setup-python@v1
+      with:
+        python-version: ${{ matrix.python-version }}
+    - name: Install dependencies
+      run: |
+        python -m pip install --upgrade pip
+        pip install -r requirements.txt
+        pip install -r extra_requirements.txt
+        pip install .
+    - name: Run unit tests with extra packages as non-root user
+      run: |
+        python -m pyfakefs.tests.all_tests
+    - name: Run unit tests without extra packages as non-root user
+      run: |
+        export TEST_REAL_FS=1
+        python -m pyfakefs.tests.all_tests_without_extra_packages
+      shell: bash
+    - name: Run unit tests without extra packages as root
+      run: |
+        if [[ '${{ matrix.os  }}' != 'windows-2016' ]]; then
+          # provide the same path as non-root to get the correct virtualenv
+          sudo env "PATH=$PATH" python -m pyfakefs.tests.all_tests_without_extra_packages
+        fi
+      shell: bash
+    - name: Run pytest tests
+      run: |
+        export PY_VERSION=${{ matrix.python-version }}
+        $GITHUB_WORKSPACE/.github/workflows/run_pytest.sh
+      shell: bash
+
+  dockertests:
+    runs-on: ubuntu-latest
+    strategy:
+      fail-fast: false
+      matrix:
+        docker-image: [centos, debian, fedora, ubuntu]
+    steps:
+    - uses: actions/checkout@v2
+    - name: Setup docker container
+      run: |
+        docker build -t pyfakefs -f $GITHUB_WORKSPACE/.github/workflows/dockerfiles/Dockerfile_${{ matrix.docker-image }} . --build-arg github_repo=$GITHUB_REPOSITORY --build-arg github_branch=$(basename $GITHUB_REF)
+    - name: Run tests
+      run: docker run -t pyfakefs

.travis/run_pytest_plugin_test.sh → .github/workflows/run_pytest.sh

@@ -1,9 +1,8 @@
 #!/bin/bash
 
-if [[ $TRAVIS_OS_NAME == 'osx' ]]; then
-    source ~/.venv/bin/activate
+python -m pytest pyfakefs/pytest_tests/pytest_plugin_test.py
+if [[ $PY_VERSION == '3.6' ]] || [[ $PY_VERSION == '3.7' ]] || [[ $PY_VERSION == '3.8' ]] || [[ $PY_VERSION == '3.9' ]] ; then
+    python -m pytest pyfakefs/pytest_tests/pytest_fixture_test.py
 fi
-
 python -m pytest pyfakefs/pytest_tests/pytest_plugin_failing_helper.py > ./testresult.txt
-python -m pytest pyfakefs/pytest_tests/pytest_check_failed_plugin_test.py && \
-python -m pytest pyfakefs/pytest_tests/pytest_plugin_test.py
+python -m pytest pyfakefs/pytest_tests/pytest_check_failed_plugin_test.py

CHANGES.md

@@ -3,6 +3,9 @@ The released versions correspond to PyPi releases.
 
 ## Version 4.4.0 (as yet unreleased)
 
+### Infrastructure
+* Moved CI builds to GitHub Actions for performance reasons
+
 ## [Version 4.3.0](https://pypi.python.org/pypi/pyfakefs/4.3.0) (2020-11-19)
 
 This is mostly a performance release. The performance of the pyfakefs setup has