Add single quotes to permission strings to make valid SpEL expression

Author: mheath

core/src/test/java/org/springframework/security/core/annotation/ExpressionTemplateSecurityAnnotationScannerTests.java

@@ -58,7 +58,7 @@ void parseMultipleMetaSourceAnnotationParameterWithAliasFor() throws Exception {
 	void parseMetaSourceAnnotationWithEnumImplementingExpressionTemplateValueProvider() throws Exception {
 		Method method = MessageService.class.getDeclaredMethod("process");
 		PreAuthorize preAuthorize = this.scanner.scan(method, method.getDeclaringClass());
-		assertThat(preAuthorize.value()).isEqualTo("hasAnyAuthority(user.READ,user.WRITE)");
+		assertThat(preAuthorize.value()).isEqualTo("hasAnyAuthority('user.READ','user.WRITE')");
 	}
 
 	enum Permission implements ExpressionTemplateValueProvider {
@@ -68,8 +68,8 @@ enum Permission implements ExpressionTemplateValueProvider {
 		@Override
 		public String getExpressionTemplateValue() {
 			return switch (this) {
-				case READ -> "user.READ";
-				case WRITE -> "user.WRITE";
+				case READ -> "'user.READ'";
+				case WRITE -> "'user.WRITE'";
 			};
 		}
 	}