[CICD-47] Add a basic e2e test (#17)

* add e2e test deploy workflow

* TEST: introduce breaking change

* Revert "TEST: introduce breaking change"

This reverts commit d8dc96e.

.github/workflows/e2e-deploy.yml

@@ -0,0 +1,40 @@
+name: Test e2e Deploy to WP Engine
+on:
+  push:
+    branches:
+      - main
+  pull_request:
+    branches:
+      - main
+
+
+jobs:
+  run_action:
+    runs-on: ubuntu-latest
+    outputs:
+      status: ${{ steps.deploy.outputs.status }}
+    steps: 
+      - uses: actions/checkout@v3
+      - name: Bump test plugin version number
+        run: sed -i 's/0.0.1/0.0.2/' tests/data/plugins/test-plugin/test-plugin.php
+      - name: GitHub Action Deploy to WP Engine
+        id: deploy
+        uses: ./
+        with:
+          # Deploy vars 
+          WPE_SSHG_KEY_PRIVATE: ${{ secrets.WPE_SSHG_KEY_PRIVATE }} 
+          WPE_ENV: ghae2e
+          # Deploy Options
+          SRC_PATH: "tests/data/plugins/test-plugin"
+          REMOTE_PATH: "wp-content/plugins/"
+          PHP_LINT: TRUE
+          FLAGS: -r --backup --backup-dir=/tmp --itemize-changes
+          SCRIPT: "tests/data/post-deploy/test-plugin.sh"
+          CACHE_CLEAR: TRUE
+  validate_result:
+    runs-on: ubuntu-latest
+    needs: run_action
+    steps:
+      - name: Validate deploy results
+        run: |
+          [ ${{needs.run_action.outputs.status}} = "pass" ] || exit 1

tests/data/plugins/test-plugin/test-plugin.php

@@ -0,0 +1,15 @@
+<?php
+/**
+ * Plugin Name: Deploy WordPress to WP Engine - e2e Test
+ * Plugin URI: https://github.com/wpengine/github-action-wpe-site-deploy
+ * Description: Sample code to test the Site Deployment GitHub Action by WP Engine.
+ * Version: 0.0.1
+ */
+
+ add_action('init', 'register_my_cpt');
+
+ function register_my_cpt() {
+    register_post_type('my-cpt', array(
+        'public' => true
+    ));
+ }

tests/data/post-deploy/test-plugin.sh

@@ -0,0 +1,32 @@
+#!/bin/sh
+
+BACKUP_DIR=/tmp
+PLUGINS_DIR=wp-content/plugins
+PLUGIN_NAME=test-plugin
+
+cleanup() {
+    rm tests/data/post-deploy/test-plugin.sh
+}
+trap cleanup EXIT
+
+# Get the the new plugin version
+AFTER_PLUGIN_VERSION=$(wp plugin get $PLUGIN_NAME | sed -n "/version/p" | cut -f2)
+echo "New test plugin version: $AFTER_PLUGIN_VERSION"
+
+# Revert to backup created by rsync if it exists
+if [ -d $BACKUP_DIR/$PLUGIN_NAME ]; then 
+    rm -rf $PLUGINS_DIR/$PLUGIN_NAME && mv $BACKUP_DIR/$PLUGIN_NAME $PLUGINS_DIR/
+fi
+
+# Get the old plugin version
+BEFORE_PLUGIN_VERSION=$(wp plugin get $PLUGIN_NAME | sed -n "/version/p" | cut -f2)
+echo "Old test plugin version: $BEFORE_PLUGIN_VERSION"
+
+# Check that the expected update was made
+if [ -z "$BEFORE_PLUGIN_VERSION" ] || [ -z "$AFTER_PLUGIN_VERSION" ] || [ "$BEFORE_PLUGIN_VERSION" = "$AFTER_PLUGIN_VERSION" ]; then
+    echo "Failure: Test plugin was not updated!"
+    echo "::set-output name=status::fail"
+else
+    echo "Success: Test plugin successfully updated from $BEFORE_PLUGIN_VERSION to $AFTER_PLUGIN_VERSION!"
+    echo "::set-output name=status::pass"
+fi