diff --git a/src/Infrastructure/Pdf/TermsVersionSignaturePdfSnappyGenerator.php b/src/Infrastructure/Pdf/TermsVersionSignaturePdfSnappyGenerator.php
index a1e900b..440cfd6 100644
--- a/src/Infrastructure/Pdf/TermsVersionSignaturePdfSnappyGenerator.php
+++ b/src/Infrastructure/Pdf/TermsVersionSignaturePdfSnappyGenerator.php
@@ -40,7 +40,7 @@ public function __invoke(TermsVersionSignature $termsVersionSignature, ?TermsUse
             ]
         );
 
-        if ($pdf === null) {
+        if (!\is_string($pdf)) {
             throw new \Exception('An error occured on pdf generation.');
         }
 
diff --git a/src/Infrastructure/Resources/config/services.xml b/src/Infrastructure/Resources/config/services.xml
index 8283d1f..d0d568b 100644
--- a/src/Infrastructure/Resources/config/services.xml
+++ b/src/Infrastructure/Resources/config/services.xml
@@ -7,6 +7,6 @@
     <services>
         <defaults autowire="true" autoconfigure="true" public="false"/>
 
-        <service id="RichId\TermsModuleSnappyBundle\Domain\Factory\DefaultTermsVersionFactory" />
+        <service id="RichId\TermsModuleSnappyBundle\Infrastructure\Pdf\TermsVersionSignaturePdfSnappyGenerator" />
     </services>
 </container>
diff --git a/tests/GeneratorTest.php b/tests/GeneratorTest.php
new file mode 100644
index 0000000..ad731a2
--- /dev/null
+++ b/tests/GeneratorTest.php
@@ -0,0 +1,39 @@
+<?php
+
+declare(strict_types=1);
+
+namespace RichId\TermsModuleSnappyBundle\Tests;
+
+use RichCongress\TestFramework\TestConfiguration\Annotation\TestConfig;
+use RichCongress\TestSuite\TestCase\TestCase;
+use RichId\TermsModuleBundle\Domain\Entity\TermsVersionSignature;
+use RichId\TermsModuleSnappyBundle\Infrastructure\Pdf\TermsVersionSignaturePdfSnappyGenerator;
+use RichId\TermsModuleSnappyBundle\Tests\Resources\Entity\DummyUser;
+
+/**
+ * @covers \RichId\TermsModuleSnappyBundle\Infrastructure\Pdf\TermsVersionSignaturePdfSnappyGenerator
+ * @TestConfig("fixtures")
+ */
+final class GeneratorTest extends TestCase
+{
+    /** @var TermsVersionSignaturePdfSnappyGenerator */
+    public $generator;
+
+    public function testGeneratorWithoutEditor(): void
+    {
+        $signature = $this->getReference(TermsVersionSignature::class, 'u42-signature-v1-terms-1');
+
+        $output = ($this->generator)($signature);
+
+        self::assertNotEmpty($output);
+    }
+
+    public function testGeneratorWithEditor(): void
+    {
+        $signature = $this->getReference(TermsVersionSignature::class, 'u42-signature-v1-terms-1');
+
+        $output = ($this->generator)($signature, $this->getReference(DummyUser::class, '1'));
+
+        self::assertNotEmpty($output);
+    }
+}
diff --git a/tests/Resources/Entity/DummyUser.php b/tests/Resources/Entity/DummyUser.php
new file mode 100644
index 0000000..38e07da
--- /dev/null
+++ b/tests/Resources/Entity/DummyUser.php
@@ -0,0 +1,84 @@
+<?php
+
+declare(strict_types=1);
+
+namespace RichId\TermsModuleSnappyBundle\Tests\Resources\Entity;
+
+use Doctrine\ORM\Mapping as ORM;
+use RichId\TermsModuleBundle\Domain\Entity\TermsUserInterface;
+use Symfony\Component\Security\Core\User\UserInterface;
+
+/**
+ * @ORM\Entity()
+ * @ORM\Table(name="app_user")
+ */
+final class DummyUser implements UserInterface, TermsUserInterface
+{
+    /**
+     * @var int
+     *
+     * @ORM\Id
+     * @ORM\Column(type="integer", options={"unsigned":true})
+     * @ORM\GeneratedValue(strategy="AUTO")
+     */
+    private $id;
+
+    /**
+     * @var string
+     *
+     * @ORM\Column(type="string", length=255, nullable=false)
+     */
+    private $username;
+
+    /**
+     * @var array<string>
+     *
+     * @ORM\Column(type="array", nullable=false, name="roles")
+     */
+    private $roles = [];
+
+    public function getId(): ?int
+    {
+        return $this->id;
+    }
+
+    public function getUsername(): string
+    {
+        return $this->username;
+    }
+
+    /** @return array<string> */
+    public function getRoles(): array
+    {
+        return $this->roles;
+    }
+
+    public function getPassword(): string
+    {
+        return '';
+    }
+
+    public function getSalt(): ?string
+    {
+        return null;
+    }
+
+    public function eraseCredentials(): void
+    {
+    }
+
+    public function getUserIdentifier(): string
+    {
+        return $this->getUsername();
+    }
+
+    public function getTermsDisplayName(): ?string
+    {
+        return $this->getUsername();
+    }
+
+    public function getTermsDisplayNameForSort(): ?string
+    {
+        return $this->getUsername();
+    }
+}
diff --git a/tests/Resources/Fixtures/DummyUserFixtures.php b/tests/Resources/Fixtures/DummyUserFixtures.php
new file mode 100644
index 0000000..aadbd39
--- /dev/null
+++ b/tests/Resources/Fixtures/DummyUserFixtures.php
@@ -0,0 +1,25 @@
+<?php
+
+declare(strict_types=1);
+
+namespace RichId\TermsModuleSnappyBundle\Tests\Resources\Fixtures;
+
+use RichCongress\RecurrentFixturesTestBundle\DataFixture\AbstractFixture;
+use RichId\TermsModuleSnappyBundle\Tests\Resources\Entity\DummyUser;
+
+final class DummyUserFixtures extends AbstractFixture
+{
+    public const USER = '1';
+
+    protected function loadFixtures(): void
+    {
+        $this->createObject(
+            DummyUser::class,
+            self::USER,
+            [
+                'username' => 'my_user_1',
+                'roles'    => ['ROLE_USER'],
+            ]
+        );
+    }
+}
diff --git a/tests/Resources/Fixtures/TermsFixtures.php b/tests/Resources/Fixtures/TermsFixtures.php
new file mode 100644
index 0000000..040e90a
--- /dev/null
+++ b/tests/Resources/Fixtures/TermsFixtures.php
@@ -0,0 +1,25 @@
+<?php
+
+declare(strict_types=1);
+
+namespace RichId\TermsModuleSnappyBundle\Tests\Resources\Fixtures;
+
+use RichCongress\RecurrentFixturesTestBundle\DataFixture\AbstractFixture;
+use RichId\TermsModuleBundle\Domain\Entity\Terms;
+
+final class TermsFixtures extends AbstractFixture
+{
+    protected function loadFixtures(): void
+    {
+        $this->createObject(
+            Terms::class,
+            '1',
+            [
+                'slug'                  => 'terms-1',
+                'name'                  => 'Terms 1',
+                'isPublished'           => true,
+                'isDepublicationLocked' => true,
+            ]
+        );
+    }
+}
diff --git a/tests/Resources/Fixtures/TermsVersionFixtures.php b/tests/Resources/Fixtures/TermsVersionFixtures.php
new file mode 100644
index 0000000..14e53b0
--- /dev/null
+++ b/tests/Resources/Fixtures/TermsVersionFixtures.php
@@ -0,0 +1,37 @@
+<?php
+
+declare(strict_types=1);
+
+namespace RichId\TermsModuleSnappyBundle\Tests\Resources\Fixtures;
+
+use Doctrine\Common\DataFixtures\DependentFixtureInterface;
+use RichCongress\RecurrentFixturesTestBundle\DataFixture\AbstractFixture;
+use RichId\TermsModuleBundle\Domain\Entity\Terms;
+use RichId\TermsModuleBundle\Domain\Entity\TermsVersion;
+
+final class TermsVersionFixtures extends AbstractFixture implements DependentFixtureInterface
+{
+    protected function loadFixtures(): void
+    {
+        $terms1 = $this->getReference(Terms::class, '1');
+
+        $this->createObject(
+            TermsVersion::class,
+            'v1-terms-1',
+            [
+                'version'   => 1,
+                'isEnabled' => true,
+                'title'     => 'Title Version 1',
+                'content'   => 'Content Version 1',
+                'terms'     => $terms1,
+            ]
+        );
+    }
+
+    public function getDependencies(): array
+    {
+        return [
+            TermsFixtures::class,
+        ];
+    }
+}
diff --git a/tests/Resources/Fixtures/TermsVersionSignatureFixtures.php b/tests/Resources/Fixtures/TermsVersionSignatureFixtures.php
new file mode 100644
index 0000000..2b78d70
--- /dev/null
+++ b/tests/Resources/Fixtures/TermsVersionSignatureFixtures.php
@@ -0,0 +1,37 @@
+<?php
+
+declare(strict_types=1);
+
+namespace RichId\TermsModuleSnappyBundle\Tests\Resources\Fixtures;
+
+use Doctrine\Common\DataFixtures\DependentFixtureInterface;
+use RichCongress\RecurrentFixturesTestBundle\DataFixture\AbstractFixture;
+use RichId\TermsModuleBundle\Domain\Entity\TermsVersion;
+use RichId\TermsModuleBundle\Domain\Entity\TermsVersionSignature;
+
+final class TermsVersionSignatureFixtures extends AbstractFixture implements DependentFixtureInterface
+{
+    protected function loadFixtures(): void
+    {
+        $termsVersion1 = $this->getReference(TermsVersion::class, 'v1-terms-1');
+
+        $this->createObject(
+            TermsVersionSignature::class,
+            'u42-signature-v1-terms-1',
+            [
+                'date'              => new \DateTime(),
+                'subjectType'       => 'user',
+                'subjectIdentifier' => '42',
+                'subjectName'       => 'Mr John SMITH',
+                'version'           => $termsVersion1,
+            ]
+        );
+    }
+
+    public function getDependencies(): array
+    {
+        return [
+            TermsVersionFixtures::class,
+        ];
+    }
+}
diff --git a/tests/Resources/Kernel/TestKernel.php b/tests/Resources/Kernel/TestKernel.php
new file mode 100755
index 0000000..bfba520
--- /dev/null
+++ b/tests/Resources/Kernel/TestKernel.php
@@ -0,0 +1,20 @@
+<?php
+
+declare(strict_types=1);
+
+namespace RichId\TermsModuleSnappyBundle\Tests\Resources\Kernel;
+
+use RichCongress\WebTestBundle\Kernel\DefaultTestKernel;
+
+final class TestKernel extends DefaultTestKernel
+{
+    public function __construct()
+    {
+        parent::__construct('test', true);
+    }
+
+    public function getConfigurationDir(): ?string
+    {
+        return __DIR__ . '/config';
+    }
+}
diff --git a/tests/Resources/Kernel/bin/console b/tests/Resources/Kernel/bin/console
new file mode 100755
index 0000000..b8760f7
--- /dev/null
+++ b/tests/Resources/Kernel/bin/console
@@ -0,0 +1,23 @@
+#!/usr/bin/env php
+<?php
+
+use RichId\TermsModuleSnappyBundle\Tests\Resources\Kernel\TestKernel;
+use Symfony\Bundle\FrameworkBundle\Console\Application;
+use Symfony\Component\Console\Input\ArgvInput;
+
+if (!in_array(PHP_SAPI, ['cli', 'phpdbg', 'embed'], true)) {
+    echo 'Warning: The console should be invoked via the CLI version of PHP, not the '.PHP_SAPI.' SAPI'.PHP_EOL;
+}
+
+set_time_limit(0);
+
+require dirname(__DIR__).'/../../../vendor/autoload.php';
+
+if (!class_exists(Application::class)) {
+    throw new LogicException('You need to add "symfony/framework-bundle" as a Composer dependency.');
+}
+
+$input = new ArgvInput();
+$kernel = new TestKernel();
+$application = new Application($kernel);
+$application->run($input);
diff --git a/tests/Resources/Kernel/config/bundles.php b/tests/Resources/Kernel/config/bundles.php
new file mode 100644
index 0000000..e4a2ef6
--- /dev/null
+++ b/tests/Resources/Kernel/config/bundles.php
@@ -0,0 +1,16 @@
+<?php
+
+declare(strict_types=1);
+
+return [
+    Doctrine\Bundle\FixturesBundle\DoctrineFixturesBundle::class                            => ['all' => true],
+    Symfony\Bundle\SecurityBundle\SecurityBundle::class                                     => ['all' => true],
+    Symfony\Bundle\TwigBundle\TwigBundle::class                                             => ['all' => true],
+    Sensio\Bundle\FrameworkExtraBundle\SensioFrameworkExtraBundle::class                    => ['all' => true],
+    RichCongress\RecurrentFixturesTestBundle\RichCongressRecurrentFixturesTestBundle::class => ['all' => true],
+    RichId\TermsModuleBundle\Infrastructure\RichIdTermsModuleBundle::class                  => ['all' => true],
+    RichId\TermsModuleSnappyBundle\Infrastructure\RichIdTermsModuleSnappyBundle::class      => ['all' => true],
+    FOS\CKEditorBundle\FOSCKEditorBundle::class                                             => ['all' => true],
+    Symfony\Bundle\MonologBundle\MonologBundle::class                                       => ['all' => true],
+    Knp\Bundle\SnappyBundle\KnpSnappyBundle::class                                          => ['all' => true],
+];
diff --git a/tests/Resources/Kernel/config/packages/doctrine.yaml b/tests/Resources/Kernel/config/packages/doctrine.yaml
new file mode 100644
index 0000000..860ef27
--- /dev/null
+++ b/tests/Resources/Kernel/config/packages/doctrine.yaml
@@ -0,0 +1,54 @@
+doctrine:
+    dbal:
+        default_connection: default
+        connections:
+            default:
+                driver: pdo_sqlite
+                user: test
+                path: '%kernel.cache_dir%/__DBNAME__.db'
+                url: null
+                memory: true
+            empty_database:
+                driver: pdo_sqlite
+                user: test
+                path: '%kernel.cache_dir%/__DBNAME___empty.db'
+                url: null
+                memory: true
+    orm:
+        auto_generate_proxy_classes: '%kernel.debug%'
+        default_entity_manager: default
+        entity_managers:
+            default:
+                naming_strategy: doctrine.orm.naming_strategy.underscore
+                auto_mapping: true
+                connection: default
+                mappings:
+                    App:
+                        is_bundle: false
+                        type: annotation
+                        dir: '%kernel.project_dir%/vendor/rich-id/terms-module-bundle/src/Domain/Entity'
+                        prefix: 'RichId\TermsModuleBundle\Domain\Entity'
+                        alias: App
+                    Test:
+                        is_bundle: false
+                        type: annotation
+                        dir: '%kernel.project_dir%/tests/Resources/Entity'
+                        prefix: 'RichId\TermsModuleSnappyBundle\Tests\Resources\Entity'
+                        alias: Test
+            empty_database:
+                connection: empty_database
+                naming_strategy: doctrine.orm.naming_strategy.underscore
+                auto_mapping: false
+                mappings:
+                    App:
+                        is_bundle: false
+                        type: annotation
+                        dir: '%kernel.project_dir%/vendor/rich-id/terms-module-bundle/src/Domain/Entity'
+                        prefix: 'RichId\TermsModuleBundle\Domain\Entity'
+                        alias: App
+                    Test:
+                        is_bundle: false
+                        type: annotation
+                        dir: '%kernel.project_dir%/tests/Resources/Entity'
+                        prefix: 'RichId\TermsModuleSnappyBundle\Tests\Resources\Entity'
+                        alias: Test
diff --git a/tests/Resources/Kernel/config/packages/framework.yaml b/tests/Resources/Kernel/config/packages/framework.yaml
new file mode 100644
index 0000000..ab281b2
--- /dev/null
+++ b/tests/Resources/Kernel/config/packages/framework.yaml
@@ -0,0 +1,7 @@
+framework:
+    test: true
+    secret: 'ThisIsASecret'
+    session:
+        handler_id: session.handler.native_file
+        storage_id: session.storage.mock_file
+        save_path: '%kernel.project_dir%/var/sessions/%kernel.environment%'
diff --git a/tests/Resources/Kernel/config/packages/monolog.yaml b/tests/Resources/Kernel/config/packages/monolog.yaml
new file mode 100644
index 0000000..2c5e682
--- /dev/null
+++ b/tests/Resources/Kernel/config/packages/monolog.yaml
@@ -0,0 +1,12 @@
+monolog:
+    handlers:
+        main:
+            type: rotating_file
+            path: '%kernel.logs_dir%/%kernel.environment%.log'
+            level: warning
+            max_files: 14
+            channels: ['!event', '!app']
+        console:
+            type: console
+            process_psr_3_messages: false
+            bubble: false
diff --git a/tests/Resources/Kernel/config/packages/rich_id_terms_module.yaml b/tests/Resources/Kernel/config/packages/rich_id_terms_module.yaml
new file mode 100644
index 0000000..f8ee0ec
--- /dev/null
+++ b/tests/Resources/Kernel/config/packages/rich_id_terms_module.yaml
@@ -0,0 +1,7 @@
+rich_id_terms_module:
+    admin_roles: [ ROLE_ADMIN ]
+    default_redirection_routes:
+        acceptation: app_acceptation_front
+        refusal: app_refusal_front
+        ignore: app_ignore_front
+    terms_version_signature_pdf_generator: RichId\TermsModuleSnappyBundle\Infrastructure\Pdf\TermsVersionSignaturePdfSnappyGenerator
diff --git a/tests/Resources/Kernel/config/packages/security.yaml b/tests/Resources/Kernel/config/packages/security.yaml
new file mode 100644
index 0000000..6c0ae45
--- /dev/null
+++ b/tests/Resources/Kernel/config/packages/security.yaml
@@ -0,0 +1,16 @@
+security:
+    providers:
+        database:
+            entity:
+                class: RichId\TermsModuleSnappyBundle\Tests\Resources\Entity\DummyUser
+                property: username
+    firewalls:
+        dev:
+            pattern: ^/(_(profiler|wdt)|css|images|js)/
+            security: false
+        main:
+            anonymous: ~
+            http_basic: ~
+            pattern: ^/
+            provider: database
+            stateless: false
diff --git a/tests/Resources/Kernel/config/services.yaml b/tests/Resources/Kernel/config/services.yaml
new file mode 100755
index 0000000..3d76ed1
--- /dev/null
+++ b/tests/Resources/Kernel/config/services.yaml
@@ -0,0 +1,12 @@
+services:
+    _defaults:
+        autoconfigure: true
+        autowire: true
+        public: true
+
+    RichId\TermsModuleSnappyBundle\Infrastructure\Pdf\TermsVersionSignaturePdfSnappyGenerator: ~
+
+    RichId\TermsModuleSnappyBundle\Tests\Resources\Fixtures\DummyUserFixtures: ~
+    RichId\TermsModuleSnappyBundle\Tests\Resources\Fixtures\TermsFixtures: ~
+    RichId\TermsModuleSnappyBundle\Tests\Resources\Fixtures\TermsVersionFixtures: ~
+    RichId\TermsModuleSnappyBundle\Tests\Resources\Fixtures\TermsVersionSignatureFixtures: ~