Fix ConfirmationInput template message

- Fix confirmation-input-default.stg to use correct style
  names in format.
- Backport #690
- Fixes #692

Author: jvalkeal

spring-shell-core/src/main/resources/org/springframework/shell/component/confirmation-input-default.stg

@@ -1,11 +1,11 @@
 // message
 message(model) ::= <%
 <if(model.message && model.hasMessageLevelError)>
-<(">>>"); format="level-error"> <model.message; format="level-error">
+<({<figures.error>}); format="style-level-error"> <model.message; format="style-level-error">
 <elseif(model.message && model.hasMessageLevelWarn)>
-<(">>"); format="level-warn"> <model.message; format="level-warn">
+<({<figures.warning>}); format="style-level-warn"> <model.message; format="style-level-warn">
 <elseif(model.message && model.hasMessageLevelInfo)>
-<(">"); format="level-info"> <model.message; format="level-info">
+<({<figures.info>}); format="style-level-info"> <model.message; format="style-level-info">
 <endif>
 %>
 

spring-shell-core/src/test/java/org/springframework/shell/component/ConfirmationInputTests.java

@@ -1,5 +1,5 @@
 /*
- * Copyright 2022 the original author or authors.
+ * Copyright 2022-2023 the original author or authors.
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
@@ -181,4 +181,30 @@ public void testResultUserInputYes() throws InterruptedException, IOException {
 		assertThat(run1Context.getResultValue()).isNotNull();
 		assertThat(run1Context.getResultValue()).isTrue();
 	}
+
+	@Test
+	public void testResultUserInputInvalidInput() throws InterruptedException, IOException {
+		ComponentContext<?> empty = ComponentContext.empty();
+		ConfirmationInput component1 = new ConfirmationInput(getTerminal(), "component1");
+		component1.setResourceLoader(new DefaultResourceLoader());
+		component1.setTemplateExecutor(getTemplateExecutor());
+
+		service.execute(() -> {
+			ConfirmationInputContext run1Context = component1.run(empty);
+			result1.set(run1Context);
+			latch1.countDown();
+		});
+
+		TestBuffer testBuffer = new TestBuffer().append("x").cr();
+		write(testBuffer.getBytes());
+
+		latch1.await(2, TimeUnit.SECONDS);
+
+		assertThat(consoleOut()).contains("input is invalid");
+
+		ConfirmationInputContext run1Context = result1.get();
+
+		assertThat(run1Context).isNotNull();
+		assertThat(run1Context.getResultValue()).isNull();
+	}
 }