1 files changed, 69 insertions, 0 deletions
diff --git a/tests/Utils/TestCallable.php b/tests/Utils/TestCallable.php
new file mode 100644
index 0000000..42a3bb5
--- /dev/null
+++ b/tests/Utils/TestCallable.php
@@ -0,0 +1,69 @@
+<?php
+
+declare(strict_types=1);
+
+namespace Lightscale\Router\Test\Utils;
+
+use Closure;
+use PHPUnit\Framework\Assert;
+
+class TestCallable
+{
+    private Closure $cb;
+
+    /** @var TestCall[] */
+    private array $calls;
+
+    final public function __construct(callable $cb)
+    {
+        $this->cb = Closure::fromCallable($cb);
+    }
+
+    public static function make(callable $cb): static
+    {
+        return new static($cb);
+    }
+
+    public function __invoke(mixed ...$args): mixed
+    {
+        $call = new TestCall(
+            args: $args,
+            return: ($this->cb)(...$args),
+        );
+        $this->calls[] = $call;
+
+        return $call->return;
+    }
+
+    public function getCallCount(): int
+    {
+        return count($this->calls);
+    }
+
+    /** @return TestCall[] */
+    public function getCalls(): array
+    {
+        return $this->calls;
+    }
+
+    public function getLastCall(): ?TestCall
+    {
+        return $this->calls[$this->getCallCount() - 1] ?? null;
+    }
+
+    public function assertIsCalled(): void
+    {
+        Assert::assertGreaterThan(0, $this->getCallCount(), 'Not been called');
+    }
+
+    public function assertNotCalled(): void
+    {
+        Assert::assertSame(0, $this->getCallCount());
+    }
+
+    public function assertCalledTimes(int $amount): void
+    {
+        Assert::assertSame($amount, $this->getCallCount());
+    }
+
+}