Add getter tests

Author: ben221199

src/Message.php

@@ -83,28 +83,28 @@ public function hasId(bool $strictId=true): bool{
      * @return bool
      */
     public function hasMethod(): bool{
-        return property_exists($this->value,'method') && $this->value->method!=null;
+        return property_exists($this->value,'method') && $this->value->method!==null;
     }
 
     /**
      * @return bool
      */
     public function hasParams(): bool{
-        return property_exists($this->value,'params') && $this->value->params!=null;
+        return property_exists($this->value,'params') && $this->value->params!==null;
     }
 
     /**
      * @return bool
      */
     public function hasResult(): bool{
-        return property_exists($this->value,'result') && $this->value->result!=null;
+        return property_exists($this->value,'result') && $this->value->result!==null;
     }
 
     /**
      * @return bool
      */
     public function hasError(): bool{
-        return property_exists($this->value,'error') && $this->value->error!=null;
+        return property_exists($this->value,'error') && $this->value->error!==null;
     }
 
     /**

tests/MessageTest.php

@@ -342,6 +342,28 @@ public function testParseUnknownVersion(){
         ]);
     }
 
+    /**
+     * @return void
+     * @throws JSONRPCException
+     */
+    public function testGetters(){
+        $this->assertEquals(123,Message::createRequestMessageV1(123,'myMethod')->getId());
+        $this->assertEquals('myMethod',Message::createRequestMessageV1(123,'myMethod')->getMethod());
+        $this->assertEquals([],Message::createRequestMessageV1(123,'myMethod')->getParams());
+
+        $this->assertNull(Message::createNotificationMessageV1('myMethod')->getId());
+        $this->assertEquals('myMethod',Message::createNotificationMessageV1('myMethod')->getMethod());
+        $this->assertEquals([],Message::createNotificationMessageV1('myMethod')->getParams());
+
+        $this->assertEquals(123,Message::createResponseMessageV1(123,'myResult')->getId());
+        $this->assertEquals('myResult',Message::createResponseMessageV1(123,'myResult')->getResult());
+        $this->assertNull(Message::createResponseMessageV1(123,'myResult')->getError());
+
+        $this->assertEquals(456,Message::createResponseMessageV1(123,null,(object) ['code'=>456,'message'=>'Some error text','data'=>true])->getErrorCode());
+        $this->assertEquals('Some error text',Message::createResponseMessageV1(123,null,(object) ['code'=>456,'message'=>'Some error text','data'=>true])->getErrorMessage());
+        $this->assertTrue(Message::createResponseMessageV1(123,null,(object) ['code'=>456,'message'=>'Some error text','data'=>true])->getErrorData());
+    }
+
     /**
      * @return void
      * @throws JSONRPCException