Try running tests on freebsd

use vagrant on mac to run in a freebsd vm

.github/workflows/test-vm.yaml

@@ -0,0 +1,60 @@
+name: test-vm
+# run tests in a VM via vagrant
+# GHA doesn't support freebsd, but we can test there
+
+on:
+  pull_request:
+  push:
+    branches:
+      - "main"
+
+jobs:
+  test:
+    # ref: https://github.com/jonashackt/vagrant-github-actions
+    # MIT License
+    runs-on: macos-10.15
+
+    strategy:
+      fail-fast: true
+      matrix:
+        box:
+          - freebsd
+    steps:
+      - uses: actions/checkout@v2
+
+      - name: Cache Vagrant boxes
+        uses: actions/cache@v2
+        with:
+          path: ~/.vagrant.d/boxes
+          key: ${{ runner.os }}-vagrant-${{ hashFiles('Vagrantfile') }}
+          restore-keys: |
+            ${{ runner.os }}-vagrant-
+
+      - name: Show Vagrant version
+        run: vagrant --version
+
+      - name: Run vagrant up
+        run: vagrant up ${{ matrix.box }}
+
+      - name: install dependencies
+        run: |
+          vagrant ssh ${{ matrix.box }} -c "
+            cd /vagrant
+            pip install --upgrade pip
+            pip install --upgrade --pre -r dev-requirements.txt .
+            pip freeze
+          "
+
+      - name: Run tests
+        run: |
+          vagrant ssh ${{ matrix.box }} -c "
+            cd /vagrant
+            pytest -v --color=yes --cov=wurlitzer test.py
+          "
+
+      - name: Submit codecov report
+        run: |
+          vagrant ssh ${{ matrix.box }} -c "
+            cd /vagrant
+            codecov
+          "

.gitignore

@@ -60,5 +60,8 @@ docs/_build/
 # PyBuilder
 target/
 
-#Ipython Notebook
+# Notebooks
 .ipynb_checkpoints
+
+# vagrant
+.vagrant

Vagrantfile

@@ -0,0 +1,22 @@
+Vagrant.configure("2") do |config|
+  config.vm.synced_folder ".", "/vagrant", type: "rsync"
+  config.ssh.forward_env = [
+    # for codecov, from
+    # https://github.com/codecov/uploader/blob/b561fe71e0262aa606b7391014ff01228adfac3d/src/ci_providers/provider_githubactions.ts#L113-L124
+    'GITHUB_ACTION',
+    'GITHUB_HEAD_REF',
+    'GITHUB_REF',
+    'GITHUB_REPOSITORY',
+    'GITHUB_RUN_ID',
+    'GITHUB_SERVER_URL',
+    'GITHUB_SHA',
+    'GITHUB_WORKFLOW',
+  ]
+
+  config.vm.define "freebsd" do |bsd|
+    vm = bsd.vm
+    vm.box = "generic/freebsd12"
+    vm.provision "shell", inline: "pkg install -y git py38-pip py38-sqlite3", privileged: true
+    vm.provision "shell", inline: "echo 'export PATH=$HOME/.local/bin:$PATH' >> $HOME/.bash_profile", privileged: false
+  end
+end