Use Github Actions for Windows (#377)

.github/workflows/windows.yaml

@@ -0,0 +1,70 @@
+name: Build and test windows wheels
+on:
+  push:
+    branches:
+      - master
+      - test
+  pull_request:
+  create:
+
+jobs:
+  build:
+    runs-on: windows-latest
+    steps:
+      - name: Checkout
+        uses: actions/checkout@v1
+
+      - name: Cythonize
+        shell: bash
+        run: |
+          pip install -U Cython
+          make cython
+          #python setup.py sdist
+
+      - name: Python 3.6 (amd64)
+        env:
+          PYTHON: "py -3.6-64"
+        shell: bash
+        run: |
+          ci/runtests.sh
+
+      - name: Python 3.6 (x86)
+        env:
+          PYTHON: "py -3.6-32"
+        shell: bash
+        run: |
+          ci/runtests.sh
+
+      - name: Python 3.7 (amd64)
+        env:
+          PYTHON: "py -3.7-64"
+        shell: bash
+        run: |
+          ci/runtests.sh
+
+      - name: Python 3.7 (x86)
+        env:
+          PYTHON: "py -3.7-32"
+        shell: bash
+        run: |
+          ci/runtests.sh
+
+      - name: Python 3.8 (amd64)
+        env:
+          PYTHON: "py -3.8-64"
+        shell: bash
+        run: |
+          ci/runtests.sh
+
+      - name: Python 3.8 (x86)
+        env:
+          PYTHON: "py -3.8-32"
+        shell: bash
+        run: |
+          ci/runtests.sh
+
+      - name: Upload Wheels
+        uses: actions/upload-artifact@v1
+        with:
+          name: win-wheels
+          path: ./dist

ci/runtests.bat

@@ -2,7 +2,7 @@
 %PYTHON%\python.exe setup.py build_ext -i
 %PYTHON%\python.exe setup.py install
 %PYTHON%\python.exe -c "import sys; print(hex(sys.maxsize))"
-%PYTHON%\python.exe -c "from msgpack import _packer, _unpacker"
+%PYTHON%\python.exe -c "from msgpack import _cmsgpack"
 %PYTHON%\python.exe setup.py bdist_wheel
 %PYTHON%\python.exe -m pytest -v test
 SET EL=%ERRORLEVEL%

ci/runtests.sh

@@ -0,0 +1,8 @@
+#!/bin/bash
+set -ex
+${PYTHON} -VV
+${PYTHON} -m pip install setuptools wheel pytest
+${PYTHON} setup.py build_ext -if
+${PYTHON} -c "from msgpack import _cmsgpack"
+${PYTHON} setup.py bdist_wheel
+${PYTHON} -m pytest -v test