tests: add basic tests

Author: itsjavi

tests/BaseTestCase.php

@@ -0,0 +1,58 @@
+<?php
+
+namespace erasys\OpenApi\Tests;
+
+use erasys\OpenApi\Spec\v3 as OASv3;
+use erasys\OpenApi\Validator\DocumentValidator;
+use PHPUnit\Framework\TestCase;
+
+class GeneralSystemTest extends TestCase
+{
+    /**
+     * @var DocumentValidator
+     */
+    private $defaultValidator;
+
+    protected function setUp()
+    {
+        if (!$this->defaultValidator) {
+            $this->defaultValidator = new DocumentValidator();
+        }
+    }
+
+    public function testValidateSimpleDocumentValid()
+    {
+        $doc = new OASv3\Document(
+            new OASv3\Info('My API', '1.0.0', 'My API description'),
+            [
+                '/foo/bar' => new OASv3\PathItem(
+                    [
+                        'get' => new OASv3\Operation(
+                            [
+                                '200' => new OASv3\Response('Successful response.'),
+                                'default' => new OASv3\Response('Default error response.'),
+                            ]
+                        ),
+                    ]
+                ),
+            ]
+        );
+
+        $result = $this->defaultValidator->validate($doc);
+
+        $this->assertTrue($result->isValid(), json_encode($result->getErrors()));
+    }
+
+    public function testValidateSimpleDocumentInvalid()
+    {
+        $doc = new OASv3\Document(
+            new OASv3\Info('My API', '1.0.0', 'My API description'),
+            []
+        );
+
+        $result = $this->defaultValidator->validate($doc);
+        $json   = $doc->toJson();
+
+        $this->assertFalse($result->isValid(), 'This document should be invalid: ' . $json);
+    }
+}