CommonStatsCSVHelper.java

1 
package edu.ucsb.cs156.happiercows.helpers;
2
3 
import java.io.ByteArrayInputStream;
4 
import java.io.ByteArrayOutputStream;
5 
import java.io.IOException;
6 
import java.io.PrintWriter;
7 
import java.util.Arrays;
8 
import java.util.List;
9 
import org.apache.commons.csv.CSVFormat;
10 
import org.apache.commons.csv.CSVPrinter;
11 
import edu.ucsb.cs156.happiercows.entities.CommonStats;
12
13 
/*
14 
 * This code is based on
15 
 * <a href="https://bezkoder.com/spring-boot-download-csv-file/">https://bezkoder.com/spring-boot-download-csv-file/</a>
16 
 * and provides a way to serve up a CSV file containing information associated
17 
 * with an instructor report.
18 
 */
19
20 
public class CommonStatsCSVHelper {
21
22 
  private CommonStatsCSVHelper() {}
23
24 
  /**
25 
   * This method is a hack to avoid a pitest issue; it isn't possible to
26 
   * exclude an individual method call from jacoco coverage, but we can
27 
   * exclude the entire method by name in the pom.xml
28 
   * @param out
29 
   */
30
31 
  public static void flush_and_close_noPitest(ByteArrayOutputStream out, CSVPrinter csvPrinter) throws IOException {
32 
    csvPrinter.flush();
33 
    csvPrinter.close();
34 
    out.flush();
35 
    out.close();
36 
  }
37
38 
  public static ByteArrayInputStream toCSV(Iterable<CommonStats> stats) throws IOException {
39 
    final CSVFormat format = CSVFormat.DEFAULT;
40
41 
    List<String> headers = Arrays.asList(
42 
        "id",
43 
        "commonsId",
44 
        "numCows",
45 
        "avgHealth",
46 
        "createDate");
47
48 
    ByteArrayOutputStream out = new ByteArrayOutputStream();
49 
    CSVPrinter csvPrinter = new CSVPrinter(new PrintWriter(out), format);
50
51 1 1. toCSV : removed call to org/apache/commons/csv/CSVPrinter::printRecord → KILLED
 
    csvPrinter.printRecord(headers);
52
53 
    for (CommonStats line : stats) {
54 
      List<String> data = Arrays.asList(
55 
          String.valueOf(line.getId()),
56 
          String.valueOf(line.getCommonsId()),
57 
          String.valueOf(line.getNumCows()),
58 
          String.valueOf(line.getAvgHealth()),
59 
          String.valueOf(line.getCreateDate()));
60 1 1. toCSV : removed call to org/apache/commons/csv/CSVPrinter::printRecord → KILLED
 
      csvPrinter.printRecord(data);
61 
    }
62
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());
65 
  }
66 
}

Mutations

51

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_all_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_all_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_all_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_all_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