DolphinScheduler/dolphinscheduler-service/src/test/java/org/apache/dolphinscheduler/service/utils/ProcessUtilsTest.java

/*
 * 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.
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package org.apache.dolphinscheduler.service.utils;

import static org.mockito.ArgumentMatchers.anyString;

import org.apache.dolphinscheduler.common.constants.Constants;
import org.apache.dolphinscheduler.common.utils.OSUtils;
import org.apache.dolphinscheduler.common.utils.PropertyUtils;

import org.junit.jupiter.api.Assertions;
import org.junit.jupiter.api.BeforeEach;
import org.junit.jupiter.api.Test;
import org.junit.jupiter.api.extension.ExtendWith;
import org.mockito.MockedStatic;
import org.mockito.Mockito;
import org.mockito.MockitoAnnotations;
import org.mockito.junit.jupiter.MockitoExtension;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;

@ExtendWith(MockitoExtension.class)
public class ProcessUtilsTest {

    private static final Logger logger = LoggerFactory.getLogger(ProcessUtils.class);

    @BeforeEach
    public void setUp() {
        MockitoAnnotations.initMocks(this);
    }

    @Test
    public void getPidsStr() throws Exception {
        int processId = 1;

        try (MockedStatic<OSUtils> mockedStaticOSUtils = Mockito.mockStatic(OSUtils.class)) {
            mockedStaticOSUtils.when(() -> OSUtils.exeCmd(anyString())).thenReturn(null);
            String pidList = ProcessUtils.getPidsStr(processId);
            Assertions.assertEquals("", pidList);
        }
    }

    @Test
    public void testGetKerberosInitCommand() {
        try (MockedStatic<PropertyUtils> mockedStaticPropertyUtils = Mockito.mockStatic(PropertyUtils.class)) {
            mockedStaticPropertyUtils
                    .when(() -> PropertyUtils.getBoolean(Constants.HADOOP_SECURITY_AUTHENTICATION_STARTUP_STATE, false))
                    .thenReturn(true);
            mockedStaticPropertyUtils.when(() -> PropertyUtils.getString(Constants.JAVA_SECURITY_KRB5_CONF_PATH))
                    .thenReturn("/etc/krb5.conf");
            mockedStaticPropertyUtils.when(() -> PropertyUtils.getString(Constants.LOGIN_USER_KEY_TAB_PATH))
                    .thenReturn("/etc/krb5.keytab");
            mockedStaticPropertyUtils.when(() -> PropertyUtils.getString(Constants.LOGIN_USER_KEY_TAB_USERNAME))
                    .thenReturn("test@DS.COM");
            Assertions.assertNotEquals("", ProcessUtils.getKerberosInitCommand());
            mockedStaticPropertyUtils
                    .when(() -> PropertyUtils.getBoolean(Constants.HADOOP_SECURITY_AUTHENTICATION_STARTUP_STATE, false))
                    .thenReturn(false);
            Assertions.assertEquals("", ProcessUtils.getKerberosInitCommand());
        }
    }

}