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.github/workflows/ci.yml

@@ -0,0 +1,89 @@
+name: CI
+
+on:
+  push:
+    branches-ignore:
+      - "dependabot/**"
+  pull_request:
+
+jobs:
+  Windows:
+    name: 'Windows (${{ matrix.python }})'
+    runs-on: 'windows-latest'
+    strategy:
+      fail-fast: false
+      matrix:
+        python: ['3.6', '3.7', '3.8', '3.9']
+    steps:
+      - name: Checkout
+        uses: actions/checkout@v2
+      - name: Setup python
+        uses: actions/setup-python@v2
+        with:
+          python-version: '${{ matrix.python }}'
+      - name: Run tests
+        run: ./ci.sh
+        shell: bash
+        env:
+          # Should match 'name:' up above
+          JOB_NAME: 'Windows (${{ matrix.python }})'
+
+  Ubuntu:
+    name: 'Ubuntu (${{ matrix.python }}${{ matrix.extra_name }})'
+    timeout-minutes: 10
+    runs-on: 'ubuntu-latest'
+    strategy:
+      fail-fast: false
+      matrix:
+        python: ['pypy-3.6', '3.6', '3.7', '3.8', '3.9', '3.6-dev', '3.7-dev', '3.8-dev', '3.9-dev']
+        check_formatting: ['0']
+        check_docs: ['0']
+        extra_name: ['']
+        include:
+          - python: '3.9'
+            check_formatting: '1'
+            extra_name: ', check formatting'
+          - python: '3.9'
+            check_docs: '1'
+            extra_name: ', check docs'
+    steps:
+      - name: Checkout
+        uses: actions/checkout@v2
+      - name: Setup python
+        uses: actions/setup-python@v2
+        if: "!endsWith(matrix.python, '-dev')"
+        with:
+          python-version: '${{ matrix.python }}'
+      - name: Setup python (dev)
+        uses: deadsnakes/action@v2.0.2
+        if: endsWith(matrix.python, '-dev')
+        with:
+          python-version: '${{ matrix.python }}'
+      - name: Run tests
+        run: ./ci.sh
+        env:
+          CHECK_FORMATTING: '${{ matrix.check_formatting }}'
+          CHECK_DOCS: '${{ matrix.check_docs }}'
+          # Should match 'name:' up above
+          JOB_NAME: 'Ubuntu (${{ matrix.python }}${{ matrix.extra_name }})'
+
+  macOS:
+    name: 'macOS (${{ matrix.python }})'
+    timeout-minutes: 10
+    runs-on: 'macos-latest'
+    strategy:
+      fail-fast: false
+      matrix:
+        python: ['3.6', '3.7', '3.8', '3.9']
+    steps:
+      - name: Checkout
+        uses: actions/checkout@v2
+      - name: Setup python
+        uses: actions/setup-python@v2
+        with:
+          python-version: '${{ matrix.python }}'
+      - name: Run tests
+        run: ./ci.sh
+        env:
+          # Should match 'name:' up above
+          JOB_NAME: 'macOS (${{ matrix.python }})'

ci.sh

@@ -0,0 +1,81 @@
+#!/bin/bash
+
+set -ex -o pipefail
+
+# Log some general info about the environment
+uname -a
+env | sort
+
+# See https://github.com/python-trio/trio/issues/334
+YAPF_VERSION=0.22.0
+
+# Curl's built-in retry system is not very robust; it gives up on lots of
+# network errors that we want to retry on. Wget might work better, but it's
+# not installed on azure pipelines's windows boxes. So... let's try some good
+# old-fashioned brute force. (This is also a convenient place to put options
+# we always want, like -f to tell curl to give an error if the server sends an
+# error response, and -L to follow redirects.)
+function curl-harder() {
+    for BACKOFF in 0 1 2 4 8 15 15 15 15; do
+        sleep $BACKOFF
+        if curl -fL --connect-timeout 5 "$@"; then
+            return 0
+        fi
+    done
+    return 1
+}
+
+
+python -m pip install -U pip setuptools wheel
+python -m pip --version
+
+python setup.py sdist --formats=zip
+python -m pip install dist/*.zip
+
+if [ "$CHECK_FORMATTING" = "1" ]; then
+    pip install yapf==${YAPF_VERSION}
+    if ! yapf -rpd setup.py pytest_trio; then
+        cat <<EOF
+!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!
+!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!
+
+Formatting problems were found (listed above). To fix them, run
+
+   pip install yapf==${YAPF_VERSION}
+   yapf -rpi setup.py pytest_trio
+
+in your local checkout.
+
+!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!
+!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!
+EOF
+        exit 1
+    fi
+elif [ "$CHECK_DOCS" = "1" ]; then
+    pip install -Ur docs-requirements.txt
+    cd docs
+    # -n (nit-picky): warn on missing references
+    # -W: turn warnings into errors
+    sphinx-build -nW  -b html source build
+else
+    # Actual tests
+    python -m pip install -r test-requirements.txt
+
+    # We run the tests from inside an empty directory, to make sure Python
+    # doesn't pick up any .py files from our working dir. Might have been
+    # pre-created by some of the code above.
+    mkdir empty || true
+    cd empty
+
+    # These environment variables ensure that the import of the pytest-trio plugin is covered
+    # even if pytest-trio is loaded before pytest-cov. See https://pytest-cov.readthedocs.io/en/latest/plugins.html
+    env COV_CORE_SOURCE=pytest_trio COV_CORE_CONFIG=.coveragerc COV_CORE_DATAFILE=.coverage pytest
+
+    # The codecov docs recommend something like 'bash <(curl ...)' to pipe the
+    # script directly into bash as its being downloaded. But, the codecov
+    # server is flaky, so we instead save to a temp file with retries, and
+    # wait until we've successfully fetched the whole script before trying to
+    # run it.
+    curl-harder -o codecov.sh https://codecov.io/bash
+    bash codecov.sh -n "${JOB_NAME}"
+fi

test-requirements.txt

@@ -1,3 +1,3 @@
-pytest >= 6.0.0  # https://github.com/python-trio/pytest-trio/pull/98#issuecomment-678699693
-pytest-cov
-hypothesis>=3.64
+pytest==6.1.2
+pytest-cov==2.10.1
+hypothesis==5.47.0