Add unit-tests for the Server config classs.

Author: Potherca

tests/unit/Config/ServerTest.php

@@ -0,0 +1,104 @@
+<?php
+
+namespace Pdsinterop\Solid\Auth\Config;
+
+use ArgumentCountError;
+use Pdsinterop\Solid\Auth\Enum\OpenId\OpenIdConnectMetadata as OidcMeta;
+use Pdsinterop\Solid\Auth\Exception\LogicException;
+use PHPUnit\Framework\TestCase;
+
+class ServerTest extends TestCase
+{
+    final public function testServerConfigShouldComplainWhenInstantiatedWithoutData() : void
+    {
+        $this->expectException(ArgumentCountError::class);
+        $this->expectExceptionMessage('Too few arguments to function');
+
+        /** @noinspection PhpParamsInspection */
+        new Server();
+    }
+
+    final public function testServerConfigShouldInstantiatedWhenGivenData() : void
+    {
+        $actual = new Server([]);
+        $expected = Server::class;
+
+        self::assertInstanceOf($expected, $actual);
+    }
+
+    final public function testServerConfigShouldProvideRequiredPropertiesWhenAskedForRequiredProperties() : void
+    {
+        $server = new Server([]);
+        $actual = $server->getRequired();
+
+        $expected = [
+            OidcMeta::AUTHORIZATION_ENDPOINT,
+            OidcMeta::ID_TOKEN_SIGNING_ALG_VALUES_SUPPORTED,
+            OidcMeta::ISSUER,
+            OidcMeta::JWKS_URI,
+            OidcMeta::RESPONSE_TYPES_SUPPORTED,
+            OidcMeta::SUBJECT_TYPES_SUPPORTED,
+        ];
+
+        self::assertEquals($expected, $actual);
+    }
+
+    final public function testServerConfigShouldNotBeValidWhenMissingRequiredProperties() : void
+    {
+        $server = new Server([]);
+        $actual = $server->validate();
+
+        self::assertFalse($actual);
+    }
+
+    final public function testServerConfigShouldBeValidWhenGivenAllRequiredProperties() : void
+    {
+        $required = (new Server([]))->getRequired();
+        $data = array_combine($required, $required);
+
+        $server = new Server($data);
+        $server->getRequired();
+        $actual = $server->validate();
+
+        self::assertTrue($actual);
+    }
+
+    final public function testServerConfigShouldComplainWhenSerializedWithRequiredKeysMissing() : void
+    {
+        $this->expectException(LogicException::class);
+        $this->expectExceptionMessage('Required properties have not been set: authorization_endpoint, id_token_signing_alg_values_supported, issuer, jwks_uri, response_types_supported, subject_types_supported');
+
+        $server = new Server([]);
+
+        $server->jsonSerialize();
+    }
+
+    final public function testServerConfigShouldReturnArrayWhenSerializedWithRequiredKeysPresent() : array
+    {
+        $required = (new Server([]))->getRequired();
+        $data = array_combine($required, $required);
+
+        $server = new Server($data);
+
+        $actual = $server->jsonSerialize();
+
+        self::assertIsArray($actual);
+
+        return $actual;
+    }
+
+    /**
+     * @depends testServerConfigShouldReturnArrayWhenSerializedWithRequiredKeysPresent
+     */
+    final public function testServerConfigShouldReturnExpectedValuesWhenSerializedWithRequiredKeysPresent(array $actual)
+    {
+        self::assertEquals($actual,  [
+            'authorization_endpoint' => 'authorization_endpoint',
+            'id_token_signing_alg_values_supported' => 'id_token_signing_alg_values_supported',
+            'issuer' => 'issuer',
+            'jwks_uri' => 'jwks_uri',
+            'response_types_supported' => 'response_types_supported',
+            'subject_types_supported' => 'subject_types_supported',
+        ]);
+    }
+}