fe/fe-core/src/test/java/org/apache/doris/analysis/LabelNameTest.java

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// to you under the Apache License, Version 2.0 (the
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// 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,
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package org.apache.doris.analysis;

import mockit.Expectations;
import mockit.Mocked;
import org.apache.doris.common.AnalysisException;

import org.junit.Assert;
import org.junit.Before;
import org.junit.Test;

public class LabelNameTest {
    @Mocked
    private Analyzer analyzer;

    @Before
    public void setUp() {
        new Expectations() {
            {
                analyzer.getClusterName();
                minTimes = 0;
                result = "testCluster";
            }
        };
    }

    @Test
    public void testNormal() throws AnalysisException {
        new Expectations() {
            {
                analyzer.getDefaultDb();
                minTimes = 0;
                result = "testDb";
            }
        };

        LabelName label = new LabelName("testDb", "testLabel");
        label.analyze(analyzer);
        Assert.assertEquals("`testCluster:testDb`.`testLabel`", label.toString());

        label = new LabelName("", "testLabel");
        label.analyze(analyzer);
        Assert.assertEquals("`testCluster:testDb`.`testLabel`", label.toString());
        Assert.assertEquals("testCluster:testDb", label.getDbName());
        Assert.assertEquals("testLabel", label.getLabelName());
    }

    @Test(expected = AnalysisException.class)
    public void testNoDb() throws AnalysisException {
        new Expectations() {
            {
                analyzer.getDefaultDb();
                minTimes = 0;
                result = null;
            }
        };

        LabelName label = new LabelName("", "testLabel");
        label.analyze(analyzer);
        Assert.fail("No exception throws");
    }

    @Test(expected = AnalysisException.class)
    public void testNoLabel() throws AnalysisException {
        new Expectations() {
            {
                analyzer.getDefaultDb();
                minTimes = 0;
                result = "testDb";
            }
        };

        LabelName label = new LabelName("", "");
        label.analyze(analyzer);
        Assert.fail("No exception throws");
    }

}