extracted server config from verifier, unit tested all the things

Dockerfile

@@ -2,6 +2,11 @@ FROM php:7.2-cli-stretch
 
 COPY --from=composer:latest /usr/bin/composer /usr/local/bin/composer
 
+RUN apt-get update
+RUN apt-get install -y zip git
+
+RUN pecl install xdebug-2.9.8 && docker-php-ext-enable xdebug
+
 COPY . /app
 WORKDIR /app
 

README.md

@@ -57,8 +57,8 @@ To validate a JWT, you will need a few different items:
 require_once("/vendor/autoload.php"); // This should be replaced with your path to your vendor/autoload.php file
 
 $jwtVerifier = (new \Okta\JwtVerifier\JwtVerifierBuilder())
-    ->setDiscovery(new \Okta\JwtVerifier\Discovery\Oauth) // This is not needed if using oauth.  The other option is `new \Okta\JwtVerifier\Discovery\OIDC`
-    ->setAdaptor(new \Okta\JwtVerifier\Adaptors\FirebasePhpJwt)
+    ->setDiscovery(new \Okta\JwtVerifier\Server\Discovery\Oauth) // This is not needed if using oauth.  The other option is `new \Okta\JwtVerifier\Server\Discovery\OIDC`
+    ->setAdaptor(new \Okta\JwtVerifier\Adaptor\FirebasePhpJwt)
     ->setAudience('api://default')
     ->setClientId('{clientId}')
     ->setIssuer('https://{yourOktaDomain}.com/oauth2/default')
@@ -87,8 +87,6 @@ The result from the verify method is a `Jwt` object which has a few helper metho
 ```php
 dump($jwt); //Returns instance of \Okta\JwtVerifier\JWT
 
-dump($jwt->toJson()); // Returns Claims as JSON Object
-
 dump($jwt->getClaims()); // Returns Claims as they come from the JWT Package used
 
 dump($jwt->getIssuedAt()); // returns Carbon instance of issued at time

composer.json

@@ -14,6 +14,11 @@
             "Okta\\JwtVerifier\\": "src/"
         }
     },
+    "autoload-dev": {
+        "psr-4": {
+            "Test\\": "tests/"
+        }
+    },
     "require": {
         "php": "^7.2",
         "ext-json": "*",
@@ -27,7 +32,7 @@
         "bretterer/iso_duration_converter": "^0.1.0"
     },
     "require-dev": {
-        "phpunit/phpunit": "^7.0 ",
+        "phpunit/phpunit": "^8.0 ",
         "symfony/var-dumper": "^5.1",
         "squizlabs/php_codesniffer": "^3.5",
         "php-http/mock-client": "^1.4",