/*
 * Licensed to the Apache Software Foundation (ASF) under one or more
 * contributor license agreements. See the NOTICE file distributed with
 * this work for additional information regarding copyright ownership.
 * The ASF licenses this file to You 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
 *
 *    http://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.apache.kafka.tools.consumer.group;

import org.apache.kafka.tools.ToolsTestUtils;

import org.junit.jupiter.api.Test;

import java.util.List;

import static org.junit.jupiter.api.Assertions.assertEquals;

public class ConsumerGroupCommandTest {
    @Test
    public void testValidateRegexCommandWithValidRegex() {
        String output = ToolsTestUtils.grabConsoleOutput(
            () -> ConsumerGroupCommand.main(List.of(
                "--validate-regex",
                "foo.*"
            ).toArray(new String[0]))
        );

        assertEquals(
            "The regular expression `foo.*` is valid.\n",
            output
        );
    }

    @Test
    public void testValidateRegexCommandWithInvalidRegex() {
        String output = ToolsTestUtils.grabConsoleOutput(
            () -> ConsumerGroupCommand.main(List.of(
                "--validate-regex",
                "[foo.*"
            ).toArray(new String[0]))
        );

        assertEquals(
            "The regular expression `[foo.*` is invalid: missing closing ].\n",
            output
        );
    }
}
