UCSBGradeHistoryServiceImpl.java

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package edu.ucsb.cs156.courses.services;
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import com.fasterxml.jackson.databind.ObjectMapper;
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import com.opencsv.CSVReader;
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import edu.ucsb.cs156.courses.entities.GradeHistory;
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import edu.ucsb.cs156.courses.models.ApiResult;
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import edu.ucsb.cs156.courses.models.Quarter;
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import edu.ucsb.cs156.courses.models.TreeElement;
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import java.io.Reader;
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import java.io.StringReader;
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import java.util.ArrayList;
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import java.util.List;
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import java.util.Map;
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import java.util.stream.Collectors;
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import lombok.extern.slf4j.Slf4j;
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import org.springframework.beans.factory.annotation.Autowired;
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import org.springframework.boot.web.client.RestTemplateBuilder;
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import org.springframework.http.HttpEntity;
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import org.springframework.http.HttpHeaders;
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import org.springframework.http.HttpMethod;
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import org.springframework.http.MediaType;
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import org.springframework.http.ResponseEntity;
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import org.springframework.stereotype.Service;
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import org.springframework.web.client.RestTemplate;
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@Service("UCSBGradeHistoryService")
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@Slf4j
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public class UCSBGradeHistoryServiceImpl implements UCSBGradeHistoryService {
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  private final RestTemplate restTemplate;
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  public UCSBGradeHistoryServiceImpl(RestTemplateBuilder restTemplateBuilder) {
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    restTemplate = restTemplateBuilder.build();
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  }
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  @Autowired ObjectMapper mapper;
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  public static final String REPO_OWNER_AND_NAME = "ucsb-cs156/UCSB_Grades";
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  public static final String API_ENDPOINT =
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      "https://api.github.com/repos/" + REPO_OWNER_AND_NAME + "/git/trees/main?recursive=1";
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  @Override
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  public List<String> getUrls() throws Exception {
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    log.info("getting data from {}", API_ENDPOINT);
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    HttpHeaders headers = new HttpHeaders();
48 1 1. getUrls : removed call to org/springframework/http/HttpHeaders::setAccept → KILLED
    headers.setAccept(List.of(MediaType.APPLICATION_JSON));
49 1 1. getUrls : removed call to org/springframework/http/HttpHeaders::setContentType → KILLED
    headers.setContentType(MediaType.APPLICATION_JSON);
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    HttpEntity<String> entity = new HttpEntity<>(headers);
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    Map<String, String> uriVariables = Map.of("recursive", "1");
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    ResponseEntity<String> re =
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        restTemplate.exchange(API_ENDPOINT, HttpMethod.GET, entity, String.class, uriVariables);
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    ApiResult apiResult = mapper.readValue(re.getBody(), ApiResult.class);
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    List<TreeElement> treeElements = apiResult.getTree();
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    List<String> urls =
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        treeElements.stream()
62 1 1. lambda$getUrls$0 : replaced return value with "" for edu/ucsb/cs156/courses/services/UCSBGradeHistoryServiceImpl::lambda$getUrls$0 → KILLED
            .map(treeElement -> treeElement.getPath())
63 3 1. lambda$getUrls$1 : negated conditional → KILLED
2. lambda$getUrls$1 : negated conditional → KILLED
3. lambda$getUrls$1 : replaced boolean return with true for edu/ucsb/cs156/courses/services/UCSBGradeHistoryServiceImpl::lambda$getUrls$1 → KILLED
            .filter(path -> (path.startsWith("quarters/") && path.endsWith(".csv")))
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            .collect(Collectors.toList());
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    List<String> rawUrls =
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        urls.stream()
67 1 1. lambda$getUrls$2 : replaced return value with "" for edu/ucsb/cs156/courses/services/UCSBGradeHistoryServiceImpl::lambda$getUrls$2 → KILLED
            .map(url -> "https://raw.githubusercontent.com/" + REPO_OWNER_AND_NAME + "/main/" + url)
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            .collect(Collectors.toList());
69 1 1. getUrls : replaced return value with Collections.emptyList for edu/ucsb/cs156/courses/services/UCSBGradeHistoryServiceImpl::getUrls → KILLED
    return rawUrls;
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  }
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  @Override
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  public List<GradeHistory> getGradeData(String url) throws Exception {
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    log.info("getting data from {}", url);
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    HttpHeaders headers = new HttpHeaders();
76 1 1. getGradeData : removed call to org/springframework/http/HttpHeaders::setAccept → KILLED
    headers.setAccept(List.of(MediaType.APPLICATION_JSON));
77 1 1. getGradeData : removed call to org/springframework/http/HttpHeaders::setContentType → KILLED
    headers.setContentType(MediaType.APPLICATION_JSON);
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    HttpEntity<String> entity = new HttpEntity<>(headers);
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    ResponseEntity<String> re = restTemplate.exchange(url, HttpMethod.GET, entity, String.class);
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    String csvData = re.getBody();
82 1 1. getGradeData : replaced return value with Collections.emptyList for edu/ucsb/cs156/courses/services/UCSBGradeHistoryServiceImpl::getGradeData → KILLED
    return parse(new StringReader(csvData));
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  }
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  @Override
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  public List<GradeHistory> parse(Reader reader) throws Exception {
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    List<GradeHistory> gradeHistoryList = new ArrayList<GradeHistory>();
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    log.info("Parsing CSV file with grade history... ");
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    CSVReader csvReader = new CSVReader(reader);
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    csvReader.skip(1);
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    List<String[]> myEntries = csvReader.readAll();
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    for (String[] row : myEntries) {
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      String yyyyq = Integer.toString(Quarter.qyyToyyyyQ(row[0]));
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      GradeHistory gradeHistory =
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          GradeHistory.builder()
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              .yyyyq(yyyyq)
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              .course(row[2])
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              .instructor(row[3])
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              .grade(row[4])
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              .count(Integer.parseInt(row[5]))
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              .build();
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      log.info("Parsed: " + gradeHistory.toString());
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      gradeHistoryList.add(gradeHistory);
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    }
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    csvReader.close();
106 1 1. parse : replaced return value with Collections.emptyList for edu/ucsb/cs156/courses/services/UCSBGradeHistoryServiceImpl::parse → KILLED
    return gradeHistoryList;
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  }
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}

Mutations

48

1.1
Location : getUrls
Killed by : edu.ucsb.cs156.courses.services.UCSBGradeHistoryServiceTests.[engine:junit-jupiter]/[class:edu.ucsb.cs156.courses.services.UCSBGradeHistoryServiceTests]/[method:test_getUrls()]
removed call to org/springframework/http/HttpHeaders::setAccept → KILLED

49

1.1
Location : getUrls
Killed by : edu.ucsb.cs156.courses.services.UCSBGradeHistoryServiceTests.[engine:junit-jupiter]/[class:edu.ucsb.cs156.courses.services.UCSBGradeHistoryServiceTests]/[method:test_getUrls()]
removed call to org/springframework/http/HttpHeaders::setContentType → KILLED

62

1.1
Location : lambda$getUrls$0
Killed by : edu.ucsb.cs156.courses.services.UCSBGradeHistoryServiceTests.[engine:junit-jupiter]/[class:edu.ucsb.cs156.courses.services.UCSBGradeHistoryServiceTests]/[method:test_getUrls()]
replaced return value with "" for edu/ucsb/cs156/courses/services/UCSBGradeHistoryServiceImpl::lambda$getUrls$0 → KILLED

63

1.1
Location : lambda$getUrls$1
Killed by : edu.ucsb.cs156.courses.services.UCSBGradeHistoryServiceTests.[engine:junit-jupiter]/[class:edu.ucsb.cs156.courses.services.UCSBGradeHistoryServiceTests]/[method:test_getUrls()]
negated conditional → KILLED

2.2
Location : lambda$getUrls$1
Killed by : edu.ucsb.cs156.courses.services.UCSBGradeHistoryServiceTests.[engine:junit-jupiter]/[class:edu.ucsb.cs156.courses.services.UCSBGradeHistoryServiceTests]/[method:test_getUrls()]
negated conditional → KILLED

3.3
Location : lambda$getUrls$1
Killed by : edu.ucsb.cs156.courses.services.UCSBGradeHistoryServiceTests.[engine:junit-jupiter]/[class:edu.ucsb.cs156.courses.services.UCSBGradeHistoryServiceTests]/[method:test_getUrls()]
replaced boolean return with true for edu/ucsb/cs156/courses/services/UCSBGradeHistoryServiceImpl::lambda$getUrls$1 → KILLED

67

1.1
Location : lambda$getUrls$2
Killed by : edu.ucsb.cs156.courses.services.UCSBGradeHistoryServiceTests.[engine:junit-jupiter]/[class:edu.ucsb.cs156.courses.services.UCSBGradeHistoryServiceTests]/[method:test_getUrls()]
replaced return value with "" for edu/ucsb/cs156/courses/services/UCSBGradeHistoryServiceImpl::lambda$getUrls$2 → KILLED

69

1.1
Location : getUrls
Killed by : edu.ucsb.cs156.courses.services.UCSBGradeHistoryServiceTests.[engine:junit-jupiter]/[class:edu.ucsb.cs156.courses.services.UCSBGradeHistoryServiceTests]/[method:test_getUrls()]
replaced return value with Collections.emptyList for edu/ucsb/cs156/courses/services/UCSBGradeHistoryServiceImpl::getUrls → KILLED

76

1.1
Location : getGradeData
Killed by : edu.ucsb.cs156.courses.services.UCSBGradeHistoryServiceTests.[engine:junit-jupiter]/[class:edu.ucsb.cs156.courses.services.UCSBGradeHistoryServiceTests]/[method:test_getGradeData()]
removed call to org/springframework/http/HttpHeaders::setAccept → KILLED

77

1.1
Location : getGradeData
Killed by : edu.ucsb.cs156.courses.services.UCSBGradeHistoryServiceTests.[engine:junit-jupiter]/[class:edu.ucsb.cs156.courses.services.UCSBGradeHistoryServiceTests]/[method:test_getGradeData()]
removed call to org/springframework/http/HttpHeaders::setContentType → KILLED

82

1.1
Location : getGradeData
Killed by : edu.ucsb.cs156.courses.services.UCSBGradeHistoryServiceTests.[engine:junit-jupiter]/[class:edu.ucsb.cs156.courses.services.UCSBGradeHistoryServiceTests]/[method:test_getGradeData()]
replaced return value with Collections.emptyList for edu/ucsb/cs156/courses/services/UCSBGradeHistoryServiceImpl::getGradeData → KILLED

106

1.1
Location : parse
Killed by : edu.ucsb.cs156.courses.services.UCSBGradeHistoryServiceTests.[engine:junit-jupiter]/[class:edu.ucsb.cs156.courses.services.UCSBGradeHistoryServiceTests]/[method:test_getGradeData()]
replaced return value with Collections.emptyList for edu/ucsb/cs156/courses/services/UCSBGradeHistoryServiceImpl::parse → KILLED

Active mutators

Tests examined


Report generated by PIT 1.7.3