diff --git a/src/Validator/ModGroup/UniqueModGroupNameValidator.php b/src/Validator/ModGroup/UniqueModGroupNameValidator.php
index 6c254ca2..7261dc0c 100644
--- a/src/Validator/ModGroup/UniqueModGroupNameValidator.php
+++ b/src/Validator/ModGroup/UniqueModGroupNameValidator.php
@@ -23,8 +23,12 @@ public function validate(mixed $value, Constraint $constraint): void
         }
 
         $name = $value->getName();
+        if ('' === $name || null === $name) {
+            return;
+        }
+
         $id = $value->getId();
-        if (!$name || $this->isColumnValueUnique(ModGroup::class, ['name' => $name], $id)) {
+        if ($this->isColumnValueUnique(ModGroup::class, ['name' => $name], $id)) {
             return;
         }
 
diff --git a/tests/functional/Web/ModGroup/DeleteModGroupCest.php b/tests/functional/Web/ModGroup/DeleteModGroupCest.php
new file mode 100644
index 00000000..00c4ba0c
--- /dev/null
+++ b/tests/functional/Web/ModGroup/DeleteModGroupCest.php
@@ -0,0 +1,53 @@
+<?php
+
+declare(strict_types=1);
+
+namespace App\Tests\Functional\Web\ModGroup;
+
+use App\DataFixtures\ModGroup\CupModGroupFixture;
+use App\DataFixtures\User\RegularUserFixture;
+use App\Entity\ModGroup\ModGroup;
+use App\Entity\User\User;
+use App\Tests\FunctionalTester;
+use Symfony\Component\HttpFoundation\Response;
+
+class DeleteModGroupCest
+{
+    public function _before(FunctionalTester $I): void
+    {
+        $I->stopFollowingRedirects();
+    }
+
+    public function deleteModGroupAsUnauthenticatedUser(FunctionalTester $I): void
+    {
+        $name = CupModGroupFixture::NAME;
+        $I->amOnPage(sprintf('/mod-group/%s/delete', $name));
+        $I->seeResponseRedirectsToDiscordAuth();
+
+        $I->seeInRepository(ModGroup::class, ['name' => CupModGroupFixture::NAME]);
+    }
+
+    public function deleteModGroupAsUnauthorizedUser(FunctionalTester $I): void
+    {
+        $I->amDiscordAuthenticatedAs(RegularUserFixture::ID);
+
+        $name = CupModGroupFixture::NAME;
+        $I->amOnPage(sprintf('/mod-group/%s/delete', $name));
+        $I->seeResponseCodeIs(Response::HTTP_FORBIDDEN);
+
+        $I->seeInRepository(ModGroup::class, ['name' => $name]);
+    }
+
+    public function deleteModGroupAsAuthorizedUser(FunctionalTester $I): void
+    {
+        $I->amDiscordAuthenticatedAs(RegularUserFixture::ID, function (User $user): void {
+            $user->getPermissions()->modGroupDelete = true;
+        });
+
+        $name = CupModGroupFixture::NAME;
+        $I->amOnPage(sprintf('/mod-group/%s/delete', $name));
+        $I->seeResponseRedirectsTo('/mod-group/list');
+
+        $I->dontSeeInRepository(ModGroup::class, ['name' => $name]);
+    }
+}
diff --git a/tests/functional/Web/ModGroup/ListModGroupsCest.php b/tests/functional/Web/ModGroup/ListModGroupsCest.php
new file mode 100644
index 00000000..4d208b3a
--- /dev/null
+++ b/tests/functional/Web/ModGroup/ListModGroupsCest.php
@@ -0,0 +1,90 @@
+<?php
+
+declare(strict_types=1);
+
+namespace App\Tests\Functional\Web\ModGroup;
+
+use App\DataFixtures\User\RegularUserFixture;
+use App\Entity\User\User;
+use App\Tests\FunctionalTester;
+use Symfony\Component\HttpFoundation\Response;
+
+class ListModGroupsCest
+{
+    public function _before(FunctionalTester $I): void
+    {
+        $I->stopFollowingRedirects();
+    }
+
+    public function listModGroupsAsUnauthenticatedUser(FunctionalTester $I): void
+    {
+        $I->amOnPage('/mod-group/list');
+        $I->seeResponseRedirectsToDiscordAuth();
+    }
+
+    public function listModGroupsAsUnauthorizedUser(FunctionalTester $I): void
+    {
+        $I->amDiscordAuthenticatedAs(RegularUserFixture::ID);
+
+        $I->amOnPage('/mod-group/list');
+        $I->seeResponseCodeIs(Response::HTTP_FORBIDDEN);
+    }
+
+    public function listModGroupsAsAuthorizedUser(FunctionalTester $I): void
+    {
+        $I->amDiscordAuthenticatedAs(RegularUserFixture::ID, function (User $user): void {
+            $user->getPermissions()->modGroupList = true;
+        });
+
+        $I->amOnPage('/mod-group/list');
+        $I->seeResponseCodeIs(Response::HTTP_OK);
+
+        $I->dontSeeActionButton('Create mod group');
+        $I->dontSeeActionButton('Edit mod group');
+    }
+
+    public function listModGroupsAsAuthorizedUserWithCreateModPermission(FunctionalTester $I): void
+    {
+        $I->amDiscordAuthenticatedAs(RegularUserFixture::ID, function (User $user): void {
+            $user->getPermissions()->modGroupList = true;
+            $user->getPermissions()->modGroupCreate = true;
+        });
+
+        $I->amOnPage('/mod-group/list');
+        $I->seeResponseCodeIs(Response::HTTP_OK);
+
+        $I->seeLink('Create mod group');
+        $I->dontSeeActionButton('Edit mod group');
+        $I->dontSeeActionButton('Delete mod group');
+    }
+
+    public function listModGroupsAsAuthorizedUserWithUpdateModPermission(FunctionalTester $I): void
+    {
+        $I->amDiscordAuthenticatedAs(RegularUserFixture::ID, function (User $user): void {
+            $user->getPermissions()->modGroupList = true;
+            $user->getPermissions()->modGroupUpdate = true;
+        });
+
+        $I->amOnPage('/mod-group/list');
+        $I->seeResponseCodeIs(Response::HTTP_OK);
+
+        $I->dontSeeLink('Create mod group');
+        $I->seeActionButton('Edit mod group');
+        $I->dontSeeActionButton('Delete mod group');
+    }
+
+    public function listModGroupsAsAuthorizedUserWithDeleteModPermission(FunctionalTester $I): void
+    {
+        $I->amDiscordAuthenticatedAs(RegularUserFixture::ID, function (User $user): void {
+            $user->getPermissions()->modGroupList = true;
+            $user->getPermissions()->modGroupDelete = true;
+        });
+
+        $I->amOnPage('/mod-group/list');
+        $I->seeResponseCodeIs(Response::HTTP_OK);
+
+        $I->dontSeeLink('Create mod group');
+        $I->dontSeeActionButton('Edit mod group');
+        $I->seeActionButton('Delete mod group');
+    }
+}