From 36ad9fe13fe528d0df3edbbbad259d373ec3e10f Mon Sep 17 00:00:00 2001
From: Romain RENAUD <devwebpeanuts@gmail.com>
Date: Wed, 14 Mar 2018 16:27:46 +0100
Subject: [PATCH] feat: add QueryBus helper trait for unit tests

---
 src/Traits/QueryBusTestCaseRelated.php | 44 ++++++++++++++++++++++++++
 1 file changed, 44 insertions(+)
 create mode 100644 src/Traits/QueryBusTestCaseRelated.php

diff --git a/src/Traits/QueryBusTestCaseRelated.php b/src/Traits/QueryBusTestCaseRelated.php
new file mode 100644
index 0000000..6364faa
--- /dev/null
+++ b/src/Traits/QueryBusTestCaseRelated.php
@@ -0,0 +1,44 @@
+<?php
+
+declare(strict_types = 1);
+
+namespace Onyx\Traits;
+
+use Onyx\Services\CQS\QueryBuses\InMemory;
+
+trait QueryBusTestCaseRelated
+{
+    private
+        $queryBus;
+
+    private function initializeQueryBusForTest(): void
+    {
+        $this->queryBus = new InMemory();
+    }
+
+    private function assertQueriesHaveBeenSent(array $expectedQueryTypes): void
+    {
+        foreach($expectedQueryTypes as $queryType)
+        {
+            $this->assertQueryHasBeenSent($queryType);
+        }
+    }
+
+    private function assertQueryHasBeenSent(string $queryType): void
+    {
+        foreach($this->queryBus->getSentQueries() as $query)
+        {
+            if($query instanceof $queryType)
+            {
+                $this->addToAssertionCount(1);
+
+                return;
+            }
+        }
+
+        $this->fail(sprintf(
+            "Failed to assert that query of type %s has been sent",
+            $queryType
+        ));
+    }
+}