Run tests on multiple OSes

Change-type: patch

.github/actions/test/action.yml

@@ -0,0 +1,48 @@
+---
+name: test release
+# https://github.com/product-os/flowzone/tree/master/.github/actions
+inputs:
+  json:
+    description: "JSON stringified object containing all the inputs from the calling workflow"
+    required: true
+  secrets:
+    description: "JSON stringified object containing all the secrets from the calling workflow"
+    required: true
+  variables:
+    description: "JSON stringified object containing all the variables from the calling workflow"
+    required: true
+
+  # --- custom environment
+  NODE_VERSION:
+    type: string
+    default: '20.x'
+  VERBOSE:
+    type: string
+    default: "true"
+
+runs:
+  # https://docs.github.com/en/actions/creating-actions/creating-a-composite-action
+  using: "composite"
+  steps:
+    # https://github.com/actions/setup-node#caching-global-packages-data
+    - name: Setup Node.js
+      uses: actions/setup-node@1e60f620b9541d16bece96c5465dc8ee9832be0b # v4
+      with:
+        node-version: ${{ inputs.NODE_VERSION }}
+        cache: npm
+
+    - name: Test release
+      shell: bash
+      run: |
+        set -ea
+
+        [[ '${{ inputs.VERBOSE }}' =~ on|On|Yes|yes|true|True ]] && set -x
+
+        if [[ -e package-lock.json ]] || [[ -e npm-shrinkwrap.json ]]; then
+            npm ci
+        else
+            npm i
+        fi
+
+        npm run build
+        npm run test

.github/workflows/flowzone.yml

@@ -25,3 +25,16 @@ jobs:
 
     # Workflows in the same org or enterprise can use the inherit keyword to implicitly pass secrets
     secrets: inherit
+    with:
+      custom_test_matrix: >
+        {
+          "os": [
+            ["self-hosted", "X64"],
+            ["self-hosted", "ARM64"],
+            ["macos-12"],
+            ["windows-2019"],
+            ["macos-latest-xlarge"]
+          ]
+        }
+      github_prerelease: false
+      restrict_custom_actions: false