增加单元测试

src/Support/Config.php

@@ -72,7 +72,7 @@ class Config implements ArrayAccess
      */
     public function set(string $key, $value)
     {
-        if (is_null($key) || $key == '') {
+        if ($key == '') {
             throw new InvalidArgumentException('Invalid config key.');
         }
 
@@ -86,7 +86,7 @@ class Config implements ArrayAccess
                 $this->config[$keys[0]][$keys[1]] = $value;
                 break;
             case '3':
-                $this->config[$keys[0]][$keys[1]][$keys[3]] = $value;
+                $this->config[$keys[0]][$keys[1]][$keys[2]] = $value;
                 break;
 
             default:

tests/Support/ConfigTest.php

@@ -1,3 +1,52 @@
 <?php
 
 namespace Yansongda\Pay\Tests\Support;
+
+use Yansongda\Pay\Tests\TestCase;
+use Yansongda\Pay\Support\Config;
+use Yansongda\Pay\Exceptions\InvalidArgumentException;
+
+class ConfigTest extends TestCase
+{
+    public function testGetConfig()
+    {
+        $array = [
+            'foo' => 'bar',
+            'bar' => [
+                'id' => '18',
+                'key' => [
+                    'public' => 'qwer',
+                    'private' => 'asdf',
+                ],
+            ],
+        ];
+
+        $config = new Config($array);
+
+        $this->assertTrue(isset($config['foo']));
+
+        $this->assertSame('bar', $config['foo']);
+        $this->assertSame('bar', $config->get('foo'));
+        $this->assertSame($array, $config->get());
+
+        $this->assertSame('qwer', $config->get('bar.key.public'));
+        $this->assertNull($config->get('bar.key.public.foo'));
+        $this->assertNull($config->get('bar.foo.foo.foo'));
+    }
+
+    public function testSetConfig()
+    {
+        $config = new Config([]);
+
+        $this->assertArrayHasKey('foo', $config->set('foo', 'bar'));
+        $this->assertSame('bar', $config->get('foo'));
+
+        $this->assertArrayHasKey('bar', $config->set('bar.key.public', 'qwer'));
+        $this->assertSame('qwer', $config->get('bar.key.public'));
+
+        $this->expectException(InvalidArgumentException::class);
+        $this->expectExceptionMessage('Invalid config key.');
+        $config->set('', '');
+        $this->assertArrayHasKey('error', $config->set('error.foo.foo.foo.foo', 'foo'));
+    }
+}

tests/Traits/HasHttpRequestTest.php

@@ -2,3 +2,11 @@
 
 namespace Yansongda\Pay\Tests\Traits;
 
+use Yansongda\Pay\Tests\TestCase;
+use Yansongda\Pay\Exceptions\InvalidArgumentException;
+
+class HasHttpRequestTest extends TestCase
+{
+    
+    
+}