✨ Implement ObjectProxy class

tests/ExampleTest.php

@@ -1,20 +0,0 @@
-<?php
-
-declare(strict_types=1);
-
-namespace Danjones000\Test\Spy;
-
-use Danjones000\Spy\Example;
-use Mockery\MockInterface;
-
-class ExampleTest extends TestCase
-{
-    public function testGreet(): void
-    {
-        /** @var Example & MockInterface $example */
-        $example = $this->mockery(Example::class);
-        $example->shouldReceive('greet')->passthru();
-
-        $this->assertSame('Hello, Friends!', $example->greet('Friends'));
-    }
-}

tests/Fixtures/Example.php

@@ -0,0 +1,41 @@
+<?php
+
+declare(strict_types=1);
+
+namespace Danjones000\Test\Spy\Fixtures;
+
+class Example
+{
+    protected const PROT_CONST = 2;
+    private const PRIV_CONST = 3;
+    protected static int $protStatic = 4;
+    private static int $privStatic = 5;
+    protected int $prot = 6;
+    private int $priv = 7;
+
+    public static function reset(): void
+    {
+        static::$protStatic = 4;
+        static::$privStatic = 5;
+    }
+
+    protected function protMethod(): int
+    {
+        return $this->prot;
+    }
+
+    private function privMethod(int $priv): void
+    {
+        $this->priv = $priv;
+    }
+
+    protected static function protStatMethod(int $protStatic): void
+    {
+        static::$protStatic = $protStatic;
+    }
+
+    private static function privStatMethod(): int
+    {
+        return static::$privStatic;
+    }
+}

tests/ObjectProxyTest.php

@@ -0,0 +1,129 @@
+<?php
+
+declare(strict_types=1);
+
+namespace Danjones000\Test\Spy;
+
+use Danjones000\Spy\ObjectProxy;
+use Mockery;
+use Mockery\MockInterface;
+
+class ObjectProxyTest extends TestCase
+{
+    protected Fixtures\Example $example;
+    protected ObjectProxy $spy;
+    protected ObjectProxy $classSpy;
+    protected \ReflectionObject $reflection;
+
+    protected function setUp(): void
+    {
+        parent::setUp();
+        Fixtures\Example::reset();
+        $this->example = new Fixtures\Example();
+        $this->spy = new ObjectProxy($this->example);
+        $this->classSpy = new ObjectProxy(Fixtures\Example::class);
+        $this->reflection = new \ReflectionObject($this->example);
+    }
+
+    public function testCallingProtectedMethod(): void
+    {
+        $ret = $this->spy->protMethod();
+        $this->assertEquals(6, $ret);
+    }
+
+    public function testCallPrivateMethod(): void
+    {
+        $this->spy->privMethod(42);
+        $prop = $this->reflection->getProperty('priv');
+        $prop->setAccessible(true);
+
+        $this->assertEquals(42, $prop->getValue($this->example));
+    }
+
+    public function testCallProtectedStaticMethod(): void
+    {
+        $this->classSpy->protStatMethod(42);
+        $prop = $this->reflection->getProperty('protStatic');
+        $prop->setAccessible(true);
+
+        $this->assertEquals(42, $prop->getValue());
+    }
+
+    public function testCallPrivateStaticMethod(): void
+    {
+        $ret = $this->classSpy->privStatMethod();
+        $this->assertEquals(5, $ret);
+    }
+
+    public function testAccessPrivateProperty(): void
+    {
+        $this->assertEquals(7, $this->spy->priv);
+    }
+
+    public function testAccessProtectedProperty(): void
+    {
+        $this->assertEquals(6, $this->spy->prot);
+    }
+
+    public function testAccessPrivateStaticProperty(): void
+    {
+        $this->assertEquals(5, $this->classSpy->privStatic);
+    }
+
+    public function testAccessProtectedStaticProperty(): void
+    {
+        $this->assertEquals(4, $this->classSpy->protStatic);
+    }
+
+    public function testAccessPrivateConstantThroughCall(): void
+    {
+        $ret = $this->classSpy->call(fn () => static::PRIV_CONST);
+        $this->assertEquals(3, $ret);
+        $ret = $this->classSpy->call(fn () => self::PRIV_CONST);
+        $this->assertEquals(3, $ret);
+    }
+
+    public function testAccessProtectedConstantThroughCall(): void
+    {
+        $ret = $this->classSpy->call(fn () => static::PROT_CONST);
+        $this->assertEquals(2, $ret);
+        $ret = $this->classSpy->call(fn () => self::PROT_CONST);
+        $this->assertEquals(2, $ret);
+    }
+
+    public function testModifyPrivateProperty(): void
+    {
+        $this->spy->priv = 42;
+        $prop = $this->reflection->getProperty('priv');
+        $prop->setAccessible(true);
+
+        $this->assertEquals(42, $prop->getValue($this->example));
+    }
+
+    public function testModifyProtectedProperty(): void
+    {
+        $this->spy->prot = 42;
+        $prop = $this->reflection->getProperty('prot');
+        $prop->setAccessible(true);
+
+        $this->assertEquals(42, $prop->getValue($this->example));
+    }
+
+    public function testModifyPrivateStaticProperty(): void
+    {
+        $this->classSpy->privStatic = 42;
+        $prop = $this->reflection->getProperty('privStatic');
+        $prop->setAccessible(true);
+
+        $this->assertEquals(42, $prop->getValue());
+    }
+
+    public function testModifyProtectedStaticProperty(): void
+    {
+        $this->classSpy->protStatic = 42;
+        $prop = $this->reflection->getProperty('protStatic');
+        $prop->setAccessible(true);
+
+        $this->assertEquals(42, $prop->getValue());
+    }
+}