diff --git a/tests/Unit/Value/KeywordTest.php b/tests/Unit/Value/KeywordTest.php
new file mode 100644
index 0000000..ea46e87
--- /dev/null
+++ b/tests/Unit/Value/KeywordTest.php
@@ -0,0 +1,44 @@
+<?php
+
+namespace Laravie\QueryFilter\Tests\Unit\Value;
+
+use PHPUnit\Framework\TestCase;
+use Laravie\QueryFilter\Value\Keyword;
+
+class KeywordTest extends TestCase
+{
+    /** @test */
+    public function it_can_generate_keywords()
+    {
+        $this->assertSame([
+            'Hello',
+            'Hello%',
+            '%Hello',
+            '%Hello%',
+        ], (new Keyword('Hello'))->all());
+    }
+
+    /** @test */
+    public function it_can_generate_lowercased_keywords()
+    {
+        $this->assertSame([
+            'hello',
+            'hello%',
+            '%hello',
+            '%hello%',
+        ], (new Keyword('Hello'))->allLowerCased());
+    }
+
+    /** @test */
+    public function it_can_generate_wildcard_keywords()
+    {
+        $this->assertSame([
+            'He%world',
+        ], (new Keyword('He%world'))->all());
+
+
+        $this->assertSame([
+            'He%world',
+        ], (new Keyword('He*world'))->all());
+    }
+}