First set of tests, argument unwrapping/injection

tests/ContextTest.php

@@ -0,0 +1,40 @@
+<?php
+
+namespace NoccyLabs\React\CommandBus;
+
+use PHPUnit\Framework\Attributes\CoversClass;
+
+#[CoversClass(Context::class)]
+class ContextTest extends \PHPUnit\Framework\TestCase
+{
+
+    public function testContextPropertyAccess()
+    {
+        $context = new Context("", [ 'foo'=>true, 'bar'=>'hello' ]);
+
+        $this->assertEquals(true, $context->foo);
+        $this->assertEquals('hello', $context->bar);
+    }
+
+    public function testMakingParameters()
+    {
+        $func1 = function () {};
+        $func2 = function (Context $context) {};
+        $func3 = function ($a, ?int $b, ?string $c, $d) {};
+
+        $context = new Context("", [ 'a'=>true, 'b'=>42, 'c'=>'hello' ]);
+
+        $expect1 = [];
+        $expect2 = [$context];
+        $expect3 = [true,42,'hello',null];
+
+        $args1 = $context->toMethodParameters($func1);
+        $this->assertEquals($expect1, $args1);
+
+        $args2 = $context->toMethodParameters($func2);
+        $this->assertEquals($expect2, $args2);
+
+        $args3 = $context->toMethodParameters($func3);
+        $this->assertEquals($expect3, $args3);
+    }
+}