backport of de0f077f375e25f28300cded82bec0d1f9cc677f

.github/wait_for_es.php

@@ -0,0 +1,26 @@
+<?php
+
+use Elasticsearch\ClientBuilder;
+use Elasticsearch\Common\Exceptions\NoNodesAvailableException;
+
+require dirname(__DIR__) . '/vendor/autoload.php';
+
+$retries = 0;
+$maxRetries = 10;
+
+while (true) {
+    try {
+        $client = ClientBuilder::create()->build();
+        $client->ping();
+        echo 'Is up and running' . PHP_EOL;
+        exit(0);
+    } catch (NoNodesAvailableException $e) {
+        if ($retries === $maxRetries) {
+            echo 'Cannot reach elasticsearch server' . PHP_EOL;
+            exit(1);
+        }
+
+        sleep(5);
+        $retries++;
+    }
+}

.github/workflows/phpunit.yml

@@ -0,0 +1,48 @@
+name: PHPUnit
+
+on:
+  push:
+  pull_request:
+
+jobs:
+  build:
+    runs-on: ubuntu-latest
+    services:
+      elasticsearch:
+        image: elastic/elasticsearch:6.8.14
+        ports:
+          - 9200:9200
+        env:
+          discovery.type: single-node
+    strategy:
+      matrix:
+        php: ['7.0', '7.1', '7.2', '7.3', '7.4']
+    steps:
+    - uses: actions/checkout@v2
+
+    - name: Setup PHP
+      uses: shivammathur/setup-php@v2
+      with:
+        php-version: ${{ matrix.php }}
+        tools: composer:v2
+        coverage: xdebug
+
+    - name: Validate composer.json and composer.lock
+      run: composer validate
+
+    - name: Install dependencies
+      run: composer install --prefer-dist --no-progress
+
+    - name: Wait for Elasticsearch
+      run: php ./.github/wait_for_es.php
+
+    - name: Run PHPUnit
+      run: vendor/bin/phpunit --coverage-clover=coverage.xml
+
+    - name: Run PHPCS
+      run: vendor/bin/phpcs -p --standard=PSR2 --ignore=vendor/ ./
+
+    - name: Upload Codecov
+      uses: codecov/codecov-action@v1
+      with:
+        file: ./coverage.xml