holmes-actions/src/test/java/org/onap/holmes/common/utils/FileUtilsTest.java


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/**
 * Copyright 2021 ZTE Corporation.
 * <p>
 * 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
 * <p>
 * http://www.apache.org/licenses/LICENSE-2.0
 * <p>
 * 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.onap.holmes.common.utils;

import org.junit.Test;
import org.onap.holmes.common.ConfigFileScanner;
import org.onap.holmes.common.ConfigFileScannerTest;

import java.util.Map;

import static org.hamcrest.core.Is.is;
import static org.hamcrest.core.IsEqual.equalTo;
import static org.hamcrest.core.IsNull.nullValue;
import static org.junit.Assert.*;

public class FileUtilsTest {

    @Test
    public void readTextFile_normal() {
        String path = FileUtilsTest.class.getResource("/ConfigFileScannerTestData.txt").getFile();
        assertThat(FileUtils.readTextFile(path), equalTo("isTest=true"));
    }

    @Test
    public void readTextFile_not_found_exception() {
        assertThat(FileUtils.readTextFile("a-non-exist-path"), nullValue());
    }

    @Test
    public void readTextFile_directory(){
        assertThat(FileUtils.readTextFile("/"), nullValue());
    }
}