diff --git a/spec/build/api/core/CheckerSpec.php b/spec/build/api/core/CheckerSpec.php
index cbd3f79..c1fe1d0 100644
--- a/spec/build/api/core/CheckerSpec.php
+++ b/spec/build/api/core/CheckerSpec.php
@@ -3,9 +3,7 @@
 	use \api\core\Checker;
 
 	describe('api', function(){
-
 		describe('core', function(){
-
 			describe('Checker', function(){
 
 				/* (1) Unknown type
@@ -861,8 +859,7 @@
 				});
 
 
+
 			});
-
 		});
-
 	});
\ No newline at end of file
diff --git a/spec/build/api/core/RequestSpec.php b/spec/build/api/core/RequestSpec.php
index bcc5028..91ce6d4 100644
--- a/spec/build/api/core/RequestSpec.php
+++ b/spec/build/api/core/RequestSpec.php
@@ -7,275 +7,282 @@
 	use error\core\Error;
 	use error\core\Err;
 
-	describe('api/core/Request', function(){
+	describe('api', function(){
+		describe('core', function(){
+			describe('Request', function(){
 
-		beforeEach(function(){
-			$_SERVER = [
-				'REQUEST_METHOD' => 'POST'
-			];
-		});
-
-		describe('[check] config file', function(){
-
-			it('pass when config file exists', function(){
-
-				expect( file_exists(Request::config_path()) )->toBeTruthy();
-
-			});
-
-			it('pass when we can read the config file', function(){
-
-				expect( @file_get_contents(Request::config_path()) )->not->toBe(false);
-
-			});
-
-			it('pass when the config file is valid json', function(){
-
-				$read = @file_get_contents(Request::config_path());
-				expect($read)->not->toBe(false);
-				expect( json_decode($read, true) )->not->toBeNull();
-				expect( json_decode($read, true) )->toBeA('array');
-
-			});
-
-		});
-
-		describe('__construct(@path, @params)', function(){
-
-			context('with argument combinations', function(){
-
-				it('fail if @path is missing', function(){
-
-					$req = new Request();
-
-					expect($req->error->get())->toBe(Err::MissingPath);
 
+				beforeEach(function(){
+					$_SERVER = [
+						'REQUEST_METHOD' => 'POST'
+					];
 				});
 
-				it('fail if @path is not a string', function(){
+				describe('[check] config file', function(){
 
-					expect('is_string')->toBeCalled();
-					$req = new Request(1);
+					it('pass when config file exists', function(){
 
-					expect($req->error->get())->toBe(Err::WrongPathModule);
+						expect( file_exists(Request::config_path()) )->toBeTruthy();
 
-				});
-
-				it('pass if @params is an array', function(){
-
-					unset($_SERVER);
-					expect('is_array')->toBeCalled();
-
-					$req = new Request('someString', ['a', 'b']);
-
-					expect($req->error->get())->toBe(Err::UnknownHttpMethod);
-
-				});
-
-				it('pass if @params is not an array (default: [])', function(){
-
-					unset($_SERVER);
-
-					expect('is_array')->toBeCalled();
-
-					$types = [true, false, null, 1, 2.3, -1.2, 0, 'blabla'];
-
-					foreach($types as $type){
-
-						$req = new Request('someString', true);
-						expect($req->error->get())->toBe(Err::UnknownHttpMethod);
-
-					}
-
-				});
-
-			});
-
-
-			context('with config errors', function(){
-
-				it('fail if the config file exists', function(){
-
-					// Request::config_path -> 'aa'
-					allow(Request::class)->toReceive('::config_path')->andReturn('invalid_fname');
-					expect(Request::config_path())->toBe('invalid_fname');
-
-					// file_exists -> false
-					allow('file_exists')->toBeCalled()->andReturn(false);
-					expect('file_exists')->toBeCalled();
-
-					$req = new Request('a/b');
-
-					expect($req->error->get())->toBe(Err::UnreachableResource);
-
-				});
-
-				it('fail if the config file cannot be read', function(){
-
-					// file_get_contents -> false
-					allow('file_get_contents')->toBeCalled()->andReturn(false);
-					expect('file_get_contents')->toBeCalled();
-
-					$req = new Request('a/b');
-
-					expect($req->error->get())->toBe(Err::UnreachableResource);
-
-				});
-
-				it('fail if the json format is not valid', function(){
-
-					// file_exists -> true
-					allow('file_exists')->toBeCalled()->andReturn(true);
-					expect('file_exists')->toBeCalled();
-
-					// file_get_contents -> false
-					allow('file_get_contents')->toBeCalled()->andReturn('{incorrect_json');
-					expect('file_get_contents')->toBeCalled();
-
-					// json_decode -> called
-					expect('json_decode')->toBeCalled();
-
-					$req = new Request('a/b');
-
-					expect($req->error->get())->toBe(Err::ParsingFailed);
-
-				});
-
-			});
-
-			context('with checks errors', function(){
-
-				it('fail with checkPath() fails', function(){
-
-					allow(Request::class)->toReceive('checkPath')->andRun(function(){
-						$this->error->set(Err::UnknownError);
-						return false;
 					});
 
-					$req = new Request('a/b');
+					it('pass when we can read the config file', function(){
 
-					expect($req->error->get())->toBe(Err::UnknownError);
+						expect( @file_get_contents(Request::config_path()) )->not->toBe(false);
 
-				});
-
-				it('fail with checkPermission() fails', function(){
-
-					// bypass checkPath();
-					allow(Request::class)->toReceive('checkPath')->andReturn(true);
-
-					allow(Request::class)->toReceive('checkPermission')->andRun(function(){
-						$this->error->set(Err::UnknownError);
-						return false;
 					});
 
-					$req = new Request('a/b');
+					it('pass when the config file is valid json', function(){
 
-					expect($req->error->get())->toBe(Err::UnknownError);
+						$read = @file_get_contents(Request::config_path());
+						expect($read)->not->toBe(false);
+						expect( json_decode($read, true) )->not->toBeNull();
+						expect( json_decode($read, true) )->toBeA('array');
 
-				});
-
-				it('fail with checkParams() fails', function(){
-
-					// bypass checkPath(); + checkPermission();
-					allow(Request::class)->toReceive('checkPath')->andReturn(true);
-					allow(Request::class)->toReceive('checkPermission')->andReturn(true);
-
-					allow(Request::class)->toReceive('checkParams')->andRun(function(){
-						$this->error->set(Err::UnknownError);
-						return false;
 					});
 
-					$req = new Request('a/b');
+				});
 
-					expect($req->error->get())->toBe(Err::UnknownError);
+				describe('__construct(@path, @params)', function(){
+
+					context('with argument combinations', function(){
+
+						it('fail if @path is missing', function(){
+
+							$req = new Request();
+
+							expect($req->error->get())->toBe(Err::MissingPath);
+
+						});
+
+						it('fail if @path is not a string', function(){
+
+							expect('is_string')->toBeCalled();
+							$req = new Request(1);
+
+							expect($req->error->get())->toBe(Err::WrongPathModule);
+
+						});
+
+						it('pass if @params is an array', function(){
+
+							unset($_SERVER);
+							expect('is_array')->toBeCalled();
+
+							$req = new Request('someString', ['a', 'b']);
+
+							expect($req->error->get())->toBe(Err::UnknownHttpMethod);
+
+						});
+
+						it('pass if @params is not an array (default: [])', function(){
+
+							unset($_SERVER);
+
+							expect('is_array')->toBeCalled();
+
+							$types = [true, false, null, 1, 2.3, -1.2, 0, 'blabla'];
+
+							foreach($types as $type){
+
+								$req = new Request('someString', true);
+								expect($req->error->get())->toBe(Err::UnknownHttpMethod);
+
+							}
+
+						});
+
+					});
+
+
+					context('with config errors', function(){
+
+						it('fail if the config file exists', function(){
+
+							// Request::config_path -> 'aa'
+							allow(Request::class)->toReceive('::config_path')->andReturn('invalid_fname');
+							expect(Request::config_path())->toBe('invalid_fname');
+
+							// file_exists -> false
+							allow('file_exists')->toBeCalled()->andReturn(false);
+							expect('file_exists')->toBeCalled();
+
+							$req = new Request('a/b');
+
+							expect($req->error->get())->toBe(Err::UnreachableResource);
+
+						});
+
+						it('fail if the config file cannot be read', function(){
+
+							// file_get_contents -> false
+							allow('file_get_contents')->toBeCalled()->andReturn(false);
+							expect('file_get_contents')->toBeCalled();
+
+							$req = new Request('a/b');
+
+							expect($req->error->get())->toBe(Err::UnreachableResource);
+
+						});
+
+						it('fail if the json format is not valid', function(){
+
+							// file_exists -> true
+							allow('file_exists')->toBeCalled()->andReturn(true);
+							expect('file_exists')->toBeCalled();
+
+							// file_get_contents -> false
+							allow('file_get_contents')->toBeCalled()->andReturn('{incorrect_json');
+							expect('file_get_contents')->toBeCalled();
+
+							// json_decode -> called
+							expect('json_decode')->toBeCalled();
+
+							$req = new Request('a/b');
+
+							expect($req->error->get())->toBe(Err::ParsingFailed);
+
+						});
+
+					});
+
+					context('with checks errors', function(){
+
+						it('fail with checkPath() fails', function(){
+
+							allow(Request::class)->toReceive('checkPath')->andRun(function(){
+								$this->error->set(Err::UnknownError);
+								return false;
+							});
+
+							$req = new Request('a/b');
+
+							expect($req->error->get())->toBe(Err::UnknownError);
+
+						});
+
+						it('fail with checkPermission() fails', function(){
+
+							// bypass checkPath();
+							allow(Request::class)->toReceive('checkPath')->andReturn(true);
+
+							allow(Request::class)->toReceive('checkPermission')->andRun(function(){
+								$this->error->set(Err::UnknownError);
+								return false;
+							});
+
+							$req = new Request('a/b');
+
+							expect($req->error->get())->toBe(Err::UnknownError);
+
+						});
+
+						it('fail with checkParams() fails', function(){
+
+							// bypass checkPath(); + checkPermission();
+							allow(Request::class)->toReceive('checkPath')->andReturn(true);
+							allow(Request::class)->toReceive('checkPermission')->andReturn(true);
+
+							allow(Request::class)->toReceive('checkParams')->andRun(function(){
+								$this->error->set(Err::UnknownError);
+								return false;
+							});
+
+							$req = new Request('a/b');
+
+							expect($req->error->get())->toBe(Err::UnknownError);
+
+						});
+
+						it('pass with all checks ok', function(){
+
+							// bypass all checks
+							allow(Request::class)->toReceive('checkPath')->andReturn(true);
+							allow(Request::class)->toReceive('checkPermission')->andReturn(true);
+							allow(Request::class)->toReceive('checkParams')->andReturn(true);
+
+							// bypass buildOptions();
+							allow(Request::class)->toReceive('buildOptions')->andReturn(true);
+
+							$req = new Request('a/b');
+
+							expect($req->error->get())->toBe(Err::Success);
+
+						});
+
+					});
 
 				});
 
-				it('pass with all checks ok', function(){
 
-					// bypass all checks
-					allow(Request::class)->toReceive('checkPath')->andReturn(true);
-					allow(Request::class)->toReceive('checkPermission')->andReturn(true);
-					allow(Request::class)->toReceive('checkParams')->andReturn(true);
+				describe('checkPath(@path)', function(){
 
-					// bypass buildOptions();
-					allow(Request::class)->toReceive('buildOptions')->andReturn(true);
+					it('fail when wrong path format: \'module/method\'', function(){
 
-					$req = new Request('a/b');
+						$values = ['a-b', 'a /b', 'a/b '];
 
-					expect($req->error->get())->toBe(Err::Success);
+						foreach($values as $value){
+
+							$req = new Request($value);
+							expect($req->error->get())->toBe(Err::WrongPathModule);
+
+						}
+
+					});
+
+					it('pass when valid path format: letter/number/-/_', function(){
+
+						$values = ['a_b-c/d-e_f', 'abc/def', '_a_/_b_'];
+
+						foreach($values as $value){
+
+							$req = new Request($value);
+							expect($req->error->get())->not->toBe(Err::WrongPathModule);
+
+						}
+
+					});
+
+					it('fail when unknown module', function(){
+
+						allow('json_decode')->toBeCalled()->andReturn([
+							'mo-du_leA' => [],
+							'moduleB' => []
+						]);
+
+						$values = ['modulea/method', 'MODULEA/method', 'moduleC/method'];
+
+						foreach($values as $value){
+
+							$req = new Request($value);
+							expect($req->error->get())->toBe(Err::UnknownModule);
+
+						}
+
+					});
+
+					it('fail when unknown method', function(){
+
+						allow('json_decode')->toBeCalled()->andReturn([
+							'mo-du_leA' => [ 'POST::me-th_odA' => [] ],
+							'moduleB' => []
+						]);
+
+						$values = ['mo-du_leA/me-thodA', 'mo-du_leA/meth_odA', 'mo-du_leA/me-th_oda'];
+
+						foreach($values as $value){
+
+							$req = new Request($value);
+							expect($req->error->get())->toBe(Err::UnknownMethod);
+
+						}
+
+					});
 
 				});
 
-			});
 
+
+			});
 		});
-
-
-		describe('checkPath(@path)', function(){
-
-			it('fail when wrong path format: \'module/method\'', function(){
-
-				$values = ['a-b', 'a /b', 'a/b '];
-
-				foreach($values as $value){
-
-					$req = new Request($value);
-					expect($req->error->get())->toBe(Err::WrongPathModule);
-
-				}
-
-			});
-
-			it('pass when valid path format: letter/number/-/_', function(){
-
-				$values = ['a_b-c/d-e_f', 'abc/def', '_a_/_b_'];
-
-				foreach($values as $value){
-
-					$req = new Request($value);
-					expect($req->error->get())->not->toBe(Err::WrongPathModule);
-
-				}
-
-			});
-
-			it('fail when unknown module', function(){
-
-				allow('json_decode')->toBeCalled()->andReturn([
-					'mo-du_leA' => [],
-					'moduleB' => []
-				]);
-
-				$values = ['modulea/method', 'MODULEA/method', 'moduleC/method'];
-
-				foreach($values as $value){
-
-					$req = new Request($value);
-					expect($req->error->get())->toBe(Err::UnknownModule);
-
-				}
-
-			});
-
-			it('fail when unknown method', function(){
-
-				allow('json_decode')->toBeCalled()->andReturn([
-					'mo-du_leA' => [ 'POST::me-th_odA' => [] ],
-					'moduleB' => []
-				]);
-
-				$values = ['mo-du_leA/me-thodA', 'mo-du_leA/meth_odA', 'mo-du_leA/me-th_oda'];
-
-				foreach($values as $value){
-
-					$req = new Request($value);
-					expect($req->error->get())->toBe(Err::UnknownMethod);
-
-				}
-
-			});
-
-		});
-
 	});
\ No newline at end of file