fe/fe-core/src/test/java/org/apache/doris/common/FeNameFormatTest.java

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// distributed with this work for additional information
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// 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
//
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package org.apache.doris.common;

import org.junit.Test;

public class FeNameFormatTest {

    @Test
    public void testCheckColumnName() {
        ExceptionChecker.expectThrowsNoException(() -> FeNameFormat.checkColumnName("_id"));
        ExceptionChecker.expectThrowsNoException(() -> FeNameFormat.checkColumnName("__id"));
        ExceptionChecker.expectThrowsNoException(() -> FeNameFormat.checkColumnName("___id"));
        ExceptionChecker.expectThrowsNoException(() -> FeNameFormat.checkColumnName("___id_"));
        ExceptionChecker.expectThrowsNoException(() -> FeNameFormat.checkColumnName("@timestamp"));
        ExceptionChecker.expectThrows(AnalysisException.class, () -> FeNameFormat.checkColumnName("?id_"));
        ExceptionChecker.expectThrows(AnalysisException.class, () -> FeNameFormat.checkColumnName("#id_"));
        ExceptionChecker.expectThrows(AnalysisException.class, () -> FeNameFormat.checkColumnName("@@timestamp"));
        ExceptionChecker.expectThrows(AnalysisException.class, () -> FeNameFormat.checkColumnName("@timestamp@"));
    }

}