add bracket syntax replace tests

lang/parser_server_test.go

@@ -12,8 +12,11 @@ func TestParseServerDefinitions(t *testing.T) {
 		wantErr bool
 	}{
 		{
-			name:  "simple server definition",
-			input: `server MyApp host "localhost" port 8080`,
+			name: "simple server definition with block delimiters",
+			input: `server MyApp {
+				host "localhost"
+				port 8080
+			}`,
 			want: AST{
 				Definitions: []Definition{
 					{
@@ -29,6 +32,59 @@ func TestParseServerDefinitions(t *testing.T) {
 			},
 			wantErr: false,
 		},
+		{
+			name: "server with only host setting",
+			input: `server WebApp {
+				host "0.0.0.0"
+			}`,
+			want: AST{
+				Definitions: []Definition{
+					{
+						Server: &Server{
+							Name: "WebApp",
+							Settings: []ServerSetting{
+								{Host: stringPtr("0.0.0.0")},
+							},
+						},
+					},
+				},
+			},
+			wantErr: false,
+		},
+		{
+			name: "server with only port setting",
+			input: `server APIServer {
+				port 3000
+			}`,
+			want: AST{
+				Definitions: []Definition{
+					{
+						Server: &Server{
+							Name: "APIServer",
+							Settings: []ServerSetting{
+								{Port: intPtr(3000)},
+							},
+						},
+					},
+				},
+			},
+			wantErr: false,
+		},
+		{
+			name:  "server without settings block",
+			input: `server SimpleServer`,
+			want: AST{
+				Definitions: []Definition{
+					{
+						Server: &Server{
+							Name:     "SimpleServer",
+							Settings: []ServerSetting{},
+						},
+					},
+				},
+			},
+			wantErr: false,
+		},
 	}
 
 	for _, tt := range tests {