ReportCSVHelper.java

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package edu.ucsb.cs156.happiercows.helpers;
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import java.io.ByteArrayInputStream;
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import java.io.ByteArrayOutputStream;
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import java.io.IOException;
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import java.io.PrintWriter;
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import java.util.Arrays;
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import java.util.List;
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import org.apache.commons.csv.CSVFormat;
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import org.apache.commons.csv.CSVPrinter;
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import edu.ucsb.cs156.happiercows.entities.ReportLine;
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/*
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 * This code is based on
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 * <a href="https://bezkoder.com/spring-boot-download-csv-file/">https://bezkoder.com/spring-boot-download-csv-file/</a>
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 * and provides a way to serve up a CSV file containing information associated
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 * with an instructor report.
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 */
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public class ReportCSVHelper {
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  private ReportCSVHelper() {}
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  /**
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   * This method is a hack to avoid a jacoco issue; it isn't possible to
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   * exclude an individual method call from jacoco coverage, but we can
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   * exclude the entire method.
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   * @param out
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   */
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  public static void flush_and_close_noPitest(ByteArrayOutputStream out, CSVPrinter csvPrinter) throws IOException {
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    csvPrinter.flush();
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    csvPrinter.close();
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    out.flush();
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    out.close();
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  }
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  public static ByteArrayInputStream toCSV(Iterable<ReportLine> lines) throws IOException {
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    final CSVFormat format = CSVFormat.DEFAULT;
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    List<String> headers = Arrays.asList(
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        "id",
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        "reportId",
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        "userId",
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        "username",
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        "totalWealth",
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        "numOfCows",
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        "avgCowHealth",
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        "cowsBought",
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        "cowsSold",
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        "cowDeaths",
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        "reportDate");
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    ByteArrayOutputStream out = new ByteArrayOutputStream();
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    CSVPrinter csvPrinter = new CSVPrinter(new PrintWriter(out), format);
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57 1 1. toCSV : removed call to org/apache/commons/csv/CSVPrinter::printRecord → KILLED
 
    csvPrinter.printRecord(headers);
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    for (ReportLine line : lines) {
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      List<String> data = Arrays.asList(
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          String.valueOf(line.getId()),
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          String.valueOf(line.getReportId()),
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          String.valueOf(line.getUserId()),
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          line.getUsername(),
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          String.valueOf(line.getTotalWealth()),
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          String.valueOf(line.getNumOfCows()),
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          String.valueOf(line.getAvgCowHealth()),
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          String.valueOf(line.getCowsBought()),
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          String.valueOf(line.getCowsSold()),
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          String.valueOf(line.getCowDeaths()),
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          String.valueOf(line.getCreateDate()));
72 1 1. toCSV : removed call to org/apache/commons/csv/CSVPrinter::printRecord → KILLED
 
      csvPrinter.printRecord(data);
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    }
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75 1 1. toCSV : removed call to edu/ucsb/cs156/happiercows/helpers/ReportCSVHelper::flush_and_close_noPitest → KILLED
 
    flush_and_close_noPitest(out, csvPrinter);
76 1 1. toCSV : replaced return value with null for edu/ucsb/cs156/happiercows/helpers/ReportCSVHelper::toCSV → KILLED
 
    return new ByteArrayInputStream(out.toByteArray());
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  }
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}

Mutations

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1.1
Location : toCSV
Killed by : edu.ucsb.cs156.happiercows.controllers.ReportsControllerTests.[engine:junit-jupiter]/[class:edu.ucsb.cs156.happiercows.controllers.ReportsControllerTests]/[method:test_get_csv()] removed call to org/apache/commons/csv/CSVPrinter::printRecord → KILLED
72

1.1
Location : toCSV
Killed by : edu.ucsb.cs156.happiercows.controllers.ReportsControllerTests.[engine:junit-jupiter]/[class:edu.ucsb.cs156.happiercows.controllers.ReportsControllerTests]/[method:test_get_csv()] removed call to org/apache/commons/csv/CSVPrinter::printRecord → KILLED
75

1.1
Location : toCSV
Killed by : edu.ucsb.cs156.happiercows.controllers.ReportsControllerTests.[engine:junit-jupiter]/[class:edu.ucsb.cs156.happiercows.controllers.ReportsControllerTests]/[method:test_get_csv()] removed call to edu/ucsb/cs156/happiercows/helpers/ReportCSVHelper::flush_and_close_noPitest → KILLED
76

1.1
Location : toCSV
Killed by : edu.ucsb.cs156.happiercows.controllers.ReportsControllerTests.[engine:junit-jupiter]/[class:edu.ucsb.cs156.happiercows.controllers.ReportsControllerTests]/[method:test_get_csv()] replaced return value with null for edu/ucsb/cs156/happiercows/helpers/ReportCSVHelper::toCSV → KILLED

Active mutators

Tests examined


Report generated by PIT 1.7.3