Add e2e help option tests

- Relates #885

spring-shell-samples/spring-shell-sample-e2e/src/main/java/org/springframework/shell/samples/e2e/HelpCommands.java

@@ -0,0 +1,70 @@
+/*
+ * Copyright 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.
+ * You may obtain a copy of the License at
+ *
+ *      https://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+package org.springframework.shell.samples.e2e;
+
+import org.springframework.context.annotation.Bean;
+import org.springframework.shell.command.CommandRegistration;
+import org.springframework.shell.command.annotation.Command;
+import org.springframework.shell.command.annotation.Option;
+import org.springframework.shell.standard.ShellComponent;
+import org.springframework.shell.standard.ShellMethod;
+import org.springframework.shell.standard.ShellOption;
+import org.springframework.stereotype.Component;
+
+@ShellComponent
+public class HelpCommands extends BaseE2ECommands {
+
+	@ShellComponent
+	public static class LegacyAnnotation extends BaseE2ECommands {
+
+		@ShellMethod(key = LEGACY_ANNO + "help-desc-1", group = GROUP)
+		public void helpDesc1(
+			@ShellOption(help = "arg1 desc", defaultValue = "hi") String arg1
+		) {
+		}
+	}
+
+	@Command(command = BaseE2ECommands.ANNO, group = BaseE2ECommands.GROUP)
+	public static class Annotation extends BaseE2ECommands {
+
+		@Command(command = "help-desc-1")
+		public void helpDesc1(
+			@Option(longNames = "arg1", defaultValue = "hi", description = "arg1 desc") String arg1
+		) {
+		}
+	}
+
+	@Component
+	public static class Registration extends BaseE2ECommands {
+
+		@Bean
+		public CommandRegistration helpDesc1() {
+			return getBuilder()
+				.command(REG, "help-desc-1")
+				.group(GROUP)
+				.withOption()
+					.longNames("arg1")
+					.defaultValue("hi")
+					.description("arg1 desc")
+					.and()
+				.withTarget()
+					.consumer(ctx -> {})
+					.and()
+				.build();
+		}
+	}
+
+}

spring-shell-samples/spring-shell-sample-e2e/src/test/java/org/springframework/shell/samples/e2e/HelpCommandsTests.java

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+/*
+ * Copyright 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.
+ * You may obtain a copy of the License at
+ *
+ *      https://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+package org.springframework.shell.samples.e2e;
+
+import org.junit.jupiter.params.ParameterizedTest;
+
+import org.springframework.shell.command.annotation.EnableCommand;
+import org.springframework.shell.samples.AbstractSampleTests;
+import org.springframework.shell.samples.e2e.HelpCommands.LegacyAnnotation;
+import org.springframework.shell.samples.e2e.HelpCommands.Registration;
+import org.springframework.shell.samples.e2e.HelpCommands.Annotation;
+import org.springframework.shell.test.ShellTestClient.BaseShellSession;
+import org.springframework.test.context.ContextConfiguration;
+
+@ContextConfiguration(classes = { LegacyAnnotation.class, Registration.class })
+@EnableCommand(Annotation.class)
+class HelpCommandsTests extends AbstractSampleTests {
+
+	@ParameterizedTest
+	@E2ESource(command = "help-desc-1 --help")
+	void testHelpDesc1(String command, boolean interactive) {
+		BaseShellSession<?> session = createSession(command, interactive);
+		assertScreenContainsText(session, "arg1 desc");
+	}
+
+}