diff --git a/tests/Unit/LodestoneLinkTest.php b/tests/Unit/LodestoneLinkTest.php
new file mode 100644
index 0000000..4097343
--- /dev/null
+++ b/tests/Unit/LodestoneLinkTest.php
@@ -0,0 +1,86 @@
+<?php
+
+namespace Tests\Unit;
+
+use App\Http\Controllers\LodestoneLinkController;
+use App\LinkCode;
+use App\Services\CodeGeneratorService;
+use App\Services\LodestoneApiService;
+use App\Services\LodestoneCacheService;
+use Illuminate\Foundation\Testing\DatabaseTransactions;
+use Tests\TestCase;
+
+class LodestoneLinkTest extends TestCase
+{
+    use DatabaseTransactions;
+
+    private $lodestoneId = 29778775;
+    private $server = 'Siren';
+    private $name = 'Jisva Fralgo';
+
+    private $websiteName = 'ffxivhelix.com';
+    private $websiteId = 6;
+
+    private $discordGuildId = 618857558740041738;
+    private $discordUserId = 208258599565262848;
+
+    private $lodestoneLinkController;
+
+    protected function setUp(): void {
+        parent::setUp();
+
+        $this->lodestoneLinkController = new LodestoneLinkController(
+            new CodeGeneratorService(),
+            new LodestoneCacheService(),
+            new LodestoneApiService()
+        );
+    }
+
+    public function testGetLinkCodeByDiscordAndId()
+    {
+        LinkCode::where('lodestoneId', $this->lodestoneId)->delete();
+
+        $response = $this->lodestoneLinkController->checkDiscordId($this->lodestoneId, $this->discordGuildId, $this->discordUserId);
+
+        $this->assertDatabaseHas('link_codes', [
+            'lodestoneId' => $this->lodestoneId,
+            'code' => $response['linkCode']
+        ]);
+    }
+
+    public function testGetLinkCodeByDiscordAndName()
+    {
+        LinkCode::where('lodestoneId', $this->lodestoneId)->delete();
+
+        $response = $this->lodestoneLinkController->checkDiscordName($this->server, $this->name, $this->discordGuildId, $this->discordUserId);
+
+        $this->assertDatabaseHas('link_codes', [
+            'lodestoneId' => $this->lodestoneId,
+            'code' => $response['linkCode']
+        ]);
+    }
+
+    public function testGetLinkCodeByWebsiteAndId()
+    {
+        LinkCode::where('lodestoneId', $this->lodestoneId)->delete();
+
+        $response = $this->lodestoneLinkController->checkWebsiteId($this->lodestoneId, $this->websiteName, $this->websiteId);
+
+        $this->assertDatabaseHas('link_codes', [
+            'lodestoneId' => $this->lodestoneId,
+            'code' => $response['linkCode']
+        ]);
+    }
+
+    public function testGetLinkCodeByWebsiteAndName()
+    {
+        LinkCode::where('lodestoneId', $this->lodestoneId)->delete();
+
+        $response = $this->lodestoneLinkController->checkWebsiteName($this->server, $this->name, $this->websiteName, $this->websiteId);
+
+        $this->assertDatabaseHas('link_codes', [
+            'lodestoneId' => $this->lodestoneId,
+            'code' => $response['linkCode']
+        ]);
+    }
+}