build: update packages and phpunit compatibitilty

Signed-off-by: Bart Jaskulski <bjaskulski@protonmail.com>

composer.json

@@ -11,12 +11,11 @@
     },
     "require-dev": {
         "php": ">=5.5",
-        "phpunit/phpunit": "<7",
-        "wp-coding-standards/wpcs": "^0.14.1",
-        "squizlabs/php_codesniffer": "^3.0.2",
+        "phpunit/phpunit": "^8 | ^9",
         "mockery/mockery": "*",
         "10up/wp_mock": "*",
-        "wimg/php-compatibility": "^8"
+        "wimg/php-compatibility": "^8",
+        "wpdesk/wp-code-sniffer": "^1.2"
     },
     "autoload": {
 
@@ -43,5 +42,10 @@
         "phpunit-integration-fast": "phpunit --configuration phpunit-integration.xml --no-coverage",
 
         "docs": "apigen generate"
+    },
+    "config": {
+        "allow-plugins": {
+            "dealerdirect/phpcodesniffer-composer-installer": true
+        }
     }
 }

phpunit-unit.xml

 <phpunit bootstrap="tests/unit/bootstrap.php">
     <testsuites>
-        <testsuite>
+        <testsuite name="Unit Tests">
             <directory prefix="Test_" suffix=".php">./tests/unit/</directory>
         </testsuite>
     </testsuites>
-
-    <filter>
-        <whitelist>
-            <directory suffix=".php">src</directory>
-        </whitelist>
-    </filter>
-
-    <logging>
-        <log type="junit" target="build-coverage/report.junit.xml"/>
-        <log type="coverage-html" target="build-coverage/coverage" charset="UTF-8" yui="true" highlight="true"/>
-        <log type="coverage-text" target="build-coverage/coverage.txt"/>
-        <log type="coverage-clover" target="build-coverage/clover.xml"/>
-    </logging>
-
 </phpunit>
\ No newline at end of file

tests/unit/Test_Basic_Requirement_Checker.php

@@ -17,7 +17,7 @@
 		
 		const ALWAYS_FUNCTION_EXISTS = 'function_exists';
 		
-		public function setUp() {
+		public function setUp(): void {
 			WP_Mock::setUp();
 			
 			WP_Mock::wpFunction( 'get_bloginfo' )
@@ -33,7 +33,7 @@
 					->andReturn( self::ALWAYS_FUNCTION_EXISTS );
 		}
 		
-		public function tearDown() {
+		public function tearDown(): void {
 			WP_Mock::tearDown();
 		}
 		

tests/unit/Test_Basic_Requirement_Checker_With_Update_Disable.php

@@ -7,14 +7,14 @@ class Test_Basic_Requirement_Checker_With_Update_Disable extends PHPUnit\Framewo
 	const ALWAYS_VALID_WP_VERSION = '4.0';
 	const RANDOM_PLUGIN_TEXTDOMAIN = 'text';
 
-	public function setUp() {
+	public function setUp(): void {
 		WP_Mock::setUp();
 
 		WP_Mock::wpFunction( 'get_bloginfo' )
 		       ->andReturn( self::ALWAYS_VALID_WP_VERSION );
 	}
 
-	public function tearDown() {
+	public function tearDown(): void {
 		WP_Mock::tearDown();
 	}