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package org.onap.vid.services;
import org.apache.commons.io.IOUtils;
import org.json.JSONObject;
import org.skyscreamer.jsonassert.JSONAssert;
import org.skyscreamer.jsonassert.JSONCompareMode;
import org.testng.Assert;
import org.testng.annotations.DataProvider;
import org.testng.annotations.Test;
import javax.ws.rs.BadRequestException;
import java.io.IOException;
import java.lang.reflect.Method;
import java.net.URL;
import java.net.URLDecoder;
import java.util.List;
public class CsvServiceTest {
private CsvServiceImpl csvService = new CsvServiceImpl();
private final static String CSV_FOLDER = "csv_files/{CSV_FILE}";
private final static String VALID_CSV = "csv_to_json.csv";
private final static String ONE_LINE_CSV = "one_line.csv";
private final static String EMPTY_CSV = "empty_file.csv";
private final static String MISSING_CONTENT_CSV = "missing_content.csv";
private final static String MISSING_VALUES_CSV = "missing_values.csv";
@Test
public void parseValidCsv() throws IllegalAccessException, IOException, InstantiationException {
String expectedJson = getExpectation("vnfConfigUpdatePayload.json");
readAndParse(VALID_CSV,16,expectedJson);
}
private String getExpectation(String modelFileName) throws IOException {
// load expected result
final URL resource = this.getClass().getResource("/" + modelFileName);
String expected = IOUtils.toString(resource, "UTF-8");
return expected;
}
@Test
public void parseOneLineCsv() throws IllegalAccessException, IOException, InstantiationException {
String expectedJson ="{\"payload\":{\"request-parameters\":{\"vnf-name\":\"ibcx0099v\"}}}";
readAndParse(ONE_LINE_CSV,1,expectedJson);
}
@DataProvider
public static Object[][] invalidFiles(Method test) {
return new Object[][]{
{MISSING_CONTENT_CSV}, {MISSING_VALUES_CSV}
};
}
@Test(dataProvider = "invalidFiles", expectedExceptions = {BadRequestException.class}, expectedExceptionsMessageRegExp = "Invalid csv file")
public void parseMissingContentCsv(String invalidFile) throws IllegalAccessException, IOException, InstantiationException {
readAndParse(invalidFile, 2, null);
}
@Test
public void parseEmptyCsv() throws IllegalAccessException, IOException, InstantiationException {
String expectedJson ="{}";
readAndParse(EMPTY_CSV,0,expectedJson);
}
private void readAndParse(String fileName, int expectedNumRows, String expectedJson) throws IllegalAccessException, IOException, InstantiationException {
final URL resource = CsvServiceTest.class.getClassLoader().getResource(CSV_FOLDER.replaceFirst("\\{CSV_FILE\\}", fileName));
Assert.assertNotNull(resource, "The csv file was not found");
//using URLDecoder.decode to convert special characters from %XX to real character
//see https://stackoverflow.com/questions/32251251/java-classloader-getresource-with-special-characters-in-path
List<String[]> content = csvService.readCsv(URLDecoder.decode(resource.getPath(), "UTF-8"));
Assert.assertEquals(content.size(), expectedNumRows, "The number of non-empty lines in file is wrong");
JSONObject json = csvService.convertCsvToJson (content);
JSONAssert.assertEquals(expectedJson, json, JSONCompareMode.STRICT);
}
}
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