feat: implement add removals to json diff action test

Author: arg2009

tests/Unit/Actions/AddRemovalsToJsonDiffActionTest.php

@@ -0,0 +1,60 @@
+<?php
+
+declare(strict_types=1);
+
+namespace Jet\Tests\Unit\Actions;
+
+use Illuminate\Container\Container;
+use Jet\JsonDiff\Actions\AddRemovalsToJsonDiffAction;
+use Jet\JsonDiff\Actions\GetUnmappedOriginalIndexesAction;
+use Jet\JsonDiff\JsonDiff;
+use Jet\JsonDiff\ValueRemoved;
+use Jet\Tests\Traits\InteractsWithContainer;
+use PHPUnit\Framework\TestCase;
+
+class AddRemovalsToJsonDiffActionTest extends TestCase
+{
+    use InteractsWithContainer;
+
+    public function test_it_adds_removals_to_a_json_diff(): void
+    {
+        $originalArray = [
+            0 => 'mapped',
+            1 => 'unmapped',
+        ];
+
+        $this
+            ->stub(GetUnmappedOriginalIndexesAction::class)
+            ->method('execute')
+            ->willReturn(
+                collect([1])
+            );
+
+        $jsonDiff = new JsonDiff([], []);
+
+        /** @var AddRemovalsToJsonDiffAction $action */
+        $action = Container::getInstance()->make(AddRemovalsToJsonDiffAction::class);
+
+        $action
+            ->execute(
+                collect(),
+                $originalArray,
+                $jsonDiff,
+                ''
+            );
+
+        $this->assertCount(1, $jsonDiff->getValuesRemoved());
+
+        /** @var ValueRemoved $valueRemoved */
+        $valueRemoved = $jsonDiff->getValuesRemoved()->first();
+
+        $this->assertSame(
+            '1',
+            $valueRemoved->getPath()
+        );
+        $this->assertSame(
+            'unmapped',
+            $valueRemoved->getValue()
+        );
+    }
+}