CommonStatsCSVHelper.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.CommonStats;
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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 CommonStatsCSVHelper {
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  private CommonStatsCSVHelper() {}
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  /**
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   * This method is a hack to avoid a pitest 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 by name in the pom.xml
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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<CommonStats> stats) 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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        "commonsId",
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        "numCows",
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        "avgHealth",
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        "createDate");
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    ByteArrayOutputStream out = new ByteArrayOutputStream();
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    CSVPrinter csvPrinter = new CSVPrinter(new PrintWriter(out), format);
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51 1 1. toCSV : removed call to org/apache/commons/csv/CSVPrinter::printRecord → KILLED
 
    csvPrinter.printRecord(headers);
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    for (CommonStats line : stats) {
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      List<String> data = Arrays.asList(
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          String.valueOf(line.getId()),
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          String.valueOf(line.getCommonsId()),
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          String.valueOf(line.getNumCows()),
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          String.valueOf(line.getAvgHealth()),
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          String.valueOf(line.getCreateDate()));
60 1 1. toCSV : removed call to org/apache/commons/csv/CSVPrinter::printRecord → KILLED
 
      csvPrinter.printRecord(data);
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    }
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63 1 1. toCSV : removed call to edu/ucsb/cs156/happiercows/helpers/CommonStatsCSVHelper::flush_and_close_noPitest → KILLED
 
    flush_and_close_noPitest(out, csvPrinter);
64 1 1. toCSV : replaced return value with null for edu/ucsb/cs156/happiercows/helpers/CommonStatsCSVHelper::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.CommonStatsControllerTests.[engine:junit-jupiter]/[class:edu.ucsb.cs156.happiercows.controllers.CommonStatsControllerTests]/[method:test_get_csv()] removed call to org/apache/commons/csv/CSVPrinter::printRecord → KILLED
60

1.1
Location : toCSV
Killed by : edu.ucsb.cs156.happiercows.controllers.CommonStatsControllerTests.[engine:junit-jupiter]/[class:edu.ucsb.cs156.happiercows.controllers.CommonStatsControllerTests]/[method:test_get_csv()] removed call to org/apache/commons/csv/CSVPrinter::printRecord → KILLED
63

1.1
Location : toCSV
Killed by : edu.ucsb.cs156.happiercows.controllers.CommonStatsControllerTests.[engine:junit-jupiter]/[class:edu.ucsb.cs156.happiercows.controllers.CommonStatsControllerTests]/[method:test_get_csv()] removed call to edu/ucsb/cs156/happiercows/helpers/CommonStatsCSVHelper::flush_and_close_noPitest → KILLED
64

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

Active mutators

Tests examined


Report generated by PIT 1.7.3