Allow php 7.3 as minimum, add builds for php7.4, fix php7.4 by updating phpunit (#13)

Co-authored-by: Michael van Nes <[email protected]>

Author: mvannes

.travis.yml

@@ -4,9 +4,8 @@ services:
     - mysql
 
 php:
-    - 7.1
-    - 7.2
     - 7.3
+    - 7.4
     - nightly
 
 matrix:

composer.json

@@ -4,12 +4,12 @@
     "description": "Provide a real database, safe for testing purposes",
     "license":     "MIT",
     "require": {
-        "php":          ">=7.1",
+        "php":          "^7.3",
         "doctrine/orm": "^2.5.4"
     },
     "require-dev": {
         "hostnet/phpcs-tool": "^8.3",
-        "phpunit/phpunit":    "^5.3.2"
+        "phpunit/phpunit":    "^9.4"
     },
     "autoload": {
         "psr-4": {

phpunit.xml.dist

@@ -1,20 +1,13 @@
-<phpunit
-         xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
-         xsi:noNamespaceSchemaLocation="http://schema.phpunit.de/5.3/phpunit.xsd"
-         bootstrap="vendor/autoload.php"
-         colors="true"
-         forceCoversAnnotation="true"
-         >
-
-        <testsuites>
-            <testsuite name="main">
-                <directory>test/</directory>
-            </testsuite>
-        </testsuites>
-
-        <filter>
-            <whitelist>
-                <directory>src/</directory>
-            </whitelist>
-        </filter>
+<?xml version="1.0"?>
+<phpunit xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xsi:noNamespaceSchemaLocation="https://schema.phpunit.de/9.3/phpunit.xsd" bootstrap="vendor/autoload.php" colors="true" forceCoversAnnotation="true">
+  <coverage>
+    <include>
+      <directory>src/</directory>
+    </include>
+  </coverage>
+  <testsuites>
+    <testsuite name="main">
+      <directory>test/</directory>
+    </testsuite>
+  </testsuites>
 </phpunit>

test/MysqlPersistentConnectionTest.php

@@ -14,7 +14,7 @@
  */
 class MysqlPersistentConnectionTest extends TestCase
 {
-    public function testConstruction()
+    public function testConstruction(): void
     {
         $connection = new MysqlPersistentConnection();
         $params     = $connection->getConnectionParams();
@@ -28,7 +28,7 @@ public function testConstruction()
     /**
      * @depends testConstruction
      */
-    public function testDestruction()
+    public function testDestruction(): void
     {
         $connection = new MysqlPersistentConnection();
         $params     = $connection->getConnectionParams();
@@ -57,7 +57,7 @@ public function testDestruction()
      * @return string[]
      * @throws \Doctrine\DBAL\DBALException
      */
-    private function listDatabases(array $params)
+    private function listDatabases(array $params): array
     {
         $doctrine  = DriverManager::getConnection($params);
         $statement = $doctrine->executeQuery('SHOW DATABASES');