cat.calidos.morfeu.utils.Tezt.java Source code

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Here is the source code for cat.calidos.morfeu.utils.Tezt.java

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/*
 *    Copyright 2017 Daniel Giribet
 *
 *   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
 *
 *       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 cat.calidos.morfeu.utils;

import static org.junit.Assert.fail;

import java.io.File;
import java.io.IOException;
import java.io.InputStream;

import org.apache.commons.io.FileUtils;

import com.fasterxml.jackson.core.JsonProcessingException;
import com.fasterxml.jackson.databind.JsonNode;
import com.fasterxml.jackson.databind.ObjectMapper;

/**
* @author daniel giribet
*///////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
public class Tezt {

    public String setupTempDirectory() throws Exception {

        String defaultTmp = "./target/integration-tests-tmp";
        String tmp = defineSystemVariable("TMP_FOLDER", defaultTmp);
        File tmpFolder = new File(tmp);
        if (tmpFolder.exists()) {
            if (tmpFolder.isFile()) {
                fail("Temporary folder destination exists and it's not a directory");
            }
        } else {
            FileUtils.forceMkdir(tmpFolder);
        }

        return tmpFolder.getAbsolutePath();

    }

    public String testAwareFullPathFrom(String path) {
        return this.getClass().getClassLoader().getResource(path).toString();
    }

    protected JsonNode parseJson(InputStream content) throws IOException, JsonProcessingException {

        ObjectMapper mapper = new ObjectMapper();
        JsonNode doc = mapper.readTree(content);
        return doc;
    }

    protected static String defineSystemVariable(String systemProperty, String defaultValue) {

        String value = System.getProperty(systemProperty);
        if (value == null) {
            value = defaultValue;
            System.setProperty(systemProperty, defaultValue);
        } else {
            System.err.println("Using " + systemProperty + "=" + value + " [ENV]");
        }

        return value;

    }

    /** First look at java system properties, then into env vars (env overrides java system props), if no value is found
    *   then use the default value 
    *    @return final value
    *////////////////////////////////////////////////////////////////////////////////
    protected String getConfigurationVariable(String name, String defaultValue) {

        String value = System.getProperty(name);
        value = (value == null || System.getenv(name) != null) ? System.getenv(name) : value;
        value = value == null ? defaultValue : value;

        return value;

    }

}