diff --git a/tests/phpunit/Models/Configuration/MarkerTest.php b/tests/phpunit/Models/Configuration/MarkerTest.php
new file mode 100644
index 00000000..14fcb97e
--- /dev/null
+++ b/tests/phpunit/Models/Configuration/MarkerTest.php
@@ -0,0 +1,31 @@
+<?php
+
+namespace phpunit\Models\Configuration;
+
+use PHPUnit\Framework\TestCase;
+use PHPUnuhi\Models\Configuration\Marker;
+
+class MarkerTest extends TestCase
+{
+
+    /**
+     * @return void
+     */
+    public function testStart(): void
+    {
+        $marker = new Marker('<', '>');
+
+        $this->assertEquals('<', $marker->getStart());
+    }
+
+    /**
+     * @return void
+     */
+    public function testEnd(): void
+    {
+        $marker = new Marker('<', '>');
+
+        $this->assertEquals('>', $marker->getEnd());
+    }
+
+}
diff --git a/tests/phpunit/Models/Configuration/ProtectionTest.php b/tests/phpunit/Models/Configuration/ProtectionTest.php
new file mode 100644
index 00000000..2b92fac7
--- /dev/null
+++ b/tests/phpunit/Models/Configuration/ProtectionTest.php
@@ -0,0 +1,51 @@
+<?php
+
+namespace phpunit\Models\Configuration;
+
+use PHPUnit\Framework\TestCase;
+use PHPUnuhi\Models\Configuration\Protection;
+
+class ProtectionTest extends TestCase
+{
+
+    /**
+     * @return void
+     */
+    public function testAddMarker(): void
+    {
+        $protection = new Protection();
+
+        $protection->addMarker('<', '>');
+        $protection->addMarker('[', ']');
+
+        $this->assertEquals('<', $protection->getMarkers()[0]->getStart());
+        $this->assertEquals('[', $protection->getMarkers()[1]->getStart());
+    }
+
+    /**
+     * @return void
+     */
+    public function testAddTerm(): void
+    {
+        $protection = new Protection();
+
+        $protection->addTerm('device');
+
+        $this->assertEquals('device', $protection->getTerms()[0]);
+    }
+
+    /**
+     * @return void
+     */
+    public function testAddTermDuplicateSkipped(): void
+    {
+        $protection = new Protection();
+
+        $protection->addTerm('hardware');
+        $protection->addTerm('device');
+        $protection->addTerm('device');
+
+        $this->assertCount(2, $protection->getTerms());
+    }
+
+}
\ No newline at end of file
diff --git a/tests/phpunit/Models/Configuration/RuleTest.php b/tests/phpunit/Models/Configuration/RuleTest.php
new file mode 100644
index 00000000..acee1e58
--- /dev/null
+++ b/tests/phpunit/Models/Configuration/RuleTest.php
@@ -0,0 +1,31 @@
+<?php
+
+namespace phpunit\Models\Configuration;
+
+use PHPUnit\Framework\TestCase;
+use PHPUnuhi\Models\Configuration\Rule;
+
+class RuleTest extends TestCase
+{
+
+    /**
+     * @return void
+     */
+    public function testName(): void
+    {
+        $rule = new Rule('color-rule', 'black');
+
+        $this->assertEquals('color-rule', $rule->getName());
+    }
+
+    /**
+     * @return void
+     */
+    public function testValue(): void
+    {
+        $rule = new Rule('color-rule', 'black');
+
+        $this->assertEquals('black', $rule->getValue());
+    }
+
+}
diff --git a/tests/phpunit/Models/Translation/TranslationSetTest.php b/tests/phpunit/Models/Translation/TranslationSetTest.php
index 4b96e604..3957c735 100644
--- a/tests/phpunit/Models/Translation/TranslationSetTest.php
+++ b/tests/phpunit/Models/Translation/TranslationSetTest.php
@@ -7,6 +7,7 @@
 use PHPUnuhi\Models\Configuration\Attribute;
 use PHPUnuhi\Models\Configuration\Filter;
 use PHPUnuhi\Models\Configuration\Protection;
+use PHPUnuhi\Models\Configuration\Rule;
 use PHPUnuhi\Models\Translation\Locale;
 use PHPUnuhi\Models\Translation\TranslationSet;
 
@@ -42,6 +43,43 @@ public function testFormat()
         $this->assertEquals('json', $set->getFormat());
     }
 
+    /**
+     * @return void
+     * @throws \Exception
+     */
+    public function testProtection()
+    {
+        $attributes = [];
+        $filter = new Filter();
+        $locales = [];
+        $protection = new Protection();
+
+        $protection->addTerm('protected-word');
+
+        $set = new TranslationSet('storefront', 'json', $protection, $locales, $filter, $attributes, [], []);
+
+        $this->assertEquals('protected-word', $set->getProtection()->getTerms()[0]);
+    }
+
+    /**
+     * @return void
+     * @throws \Exception
+     */
+    public function testRules()
+    {
+        $attributes = [];
+        $filter = new Filter();
+        $locales = [];
+        $protection = new Protection();
+        $rules = [
+            new Rule('test-rule', true),
+        ];
+
+        $set = new TranslationSet('storefront', 'json', $protection, $locales, $filter, $attributes, [], $rules);
+
+        $this->assertEquals('test-rule', $set->getRules()[0]->getName());
+    }
+
     /**
      * @return void
      */
@@ -191,4 +229,5 @@ public function testFindAnyExistingTranslationNotFound()
 
         $set->findAnyExistingTranslation('abc', '');
     }
+
 }