CustomErrorController.java

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package edu.ucsb.cs156.courses.controllers;
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import jakarta.servlet.RequestDispatcher;
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import jakarta.servlet.http.HttpServletRequest;
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import java.io.PrintWriter;
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import java.io.StringWriter;
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import java.time.LocalDateTime;
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import org.springframework.boot.web.servlet.error.ErrorController;
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import org.springframework.http.HttpStatus;
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import org.springframework.stereotype.Controller;
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import org.springframework.ui.Model;
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import org.springframework.web.bind.annotation.RequestMapping;
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@Controller
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public class CustomErrorController implements ErrorController {
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  @RequestMapping("/error")
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  public String handleError(HttpServletRequest request, Model model) {
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    Object statusObj = request.getAttribute(RequestDispatcher.ERROR_STATUS_CODE);
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    int statusCode = 500;
22 1 1. handleError : negated conditional → KILLED
 
    if (statusObj != null) {
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      statusCode = Integer.parseInt(statusObj.toString());
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    }
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    HttpStatus httpStatus = HttpStatus.resolve(statusCode);
27 1 1. handleError : negated conditional → KILLED
 
    String error = httpStatus == null ? "Unknown Error" : httpStatus.getReasonPhrase();
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    Object messageObj = request.getAttribute(RequestDispatcher.ERROR_MESSAGE);
30 1 1. handleError : negated conditional → KILLED
 
    String message = messageObj == null ? "" : messageObj.toString();
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    Object pathObj = request.getAttribute(RequestDispatcher.ERROR_REQUEST_URI);
33 1 1. handleError : negated conditional → KILLED
 
    String path = pathObj == null ? "" : pathObj.toString();
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    Throwable throwable = (Throwable) request.getAttribute(RequestDispatcher.ERROR_EXCEPTION);
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    String exceptionMessage = "";
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    String stackTrace = "";
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40 1 1. handleError : negated conditional → KILLED
 
    if (throwable != null) {
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      exceptionMessage = throwable.getMessage();
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      StringWriter sw = new StringWriter();
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      PrintWriter pw = new PrintWriter(sw);
45 1 1. handleError : removed call to java/lang/Throwable::printStackTrace → KILLED
 
      throwable.printStackTrace(pw);
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      stackTrace = sw.toString();
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    }
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    model.addAttribute("status", statusCode);
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    model.addAttribute("error", error);
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    model.addAttribute("message", message);
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    model.addAttribute("exceptionMessage", exceptionMessage);
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    model.addAttribute("stackTrace", stackTrace);
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    model.addAttribute("timestamp", LocalDateTime.now());
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    model.addAttribute("path", path);
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57 1 1. handleError : replaced return value with "" for edu/ucsb/cs156/courses/controllers/CustomErrorController::handleError → KILLED
 
    return "custom-error";
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  }
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}

Mutations

22

1.1
Location : handleError
Killed by : edu.ucsb.cs156.courses.controllers.CustomErrorControllerTests.[engine:junit-jupiter]/[class:edu.ucsb.cs156.courses.controllers.CustomErrorControllerTests]/[method:handleError_setsDefaults_whenNoAttributes()] negated conditional → KILLED

27

1.1
Location : handleError
Killed by : edu.ucsb.cs156.courses.controllers.CustomErrorControllerTests.[engine:junit-jupiter]/[class:edu.ucsb.cs156.courses.controllers.CustomErrorControllerTests]/[method:handleError_setsDefaults_whenNoAttributes()] negated conditional → KILLED

30

1.1
Location : handleError
Killed by : edu.ucsb.cs156.courses.controllers.CustomErrorControllerTests.[engine:junit-jupiter]/[class:edu.ucsb.cs156.courses.controllers.CustomErrorControllerTests]/[method:handleError_setsDefaults_whenNoAttributes()] negated conditional → KILLED

33

1.1
Location : handleError
Killed by : edu.ucsb.cs156.courses.controllers.CustomErrorControllerTests.[engine:junit-jupiter]/[class:edu.ucsb.cs156.courses.controllers.CustomErrorControllerTests]/[method:handleError_setsDefaults_whenNoAttributes()] negated conditional → KILLED

40

1.1
Location : handleError
Killed by : edu.ucsb.cs156.courses.controllers.CustomErrorControllerTests.[engine:junit-jupiter]/[class:edu.ucsb.cs156.courses.controllers.CustomErrorControllerTests]/[method:handleError_setsDefaults_whenNoAttributes()] negated conditional → KILLED

45

1.1
Location : handleError
Killed by : edu.ucsb.cs156.courses.controllers.CustomErrorControllerTests.[engine:junit-jupiter]/[class:edu.ucsb.cs156.courses.controllers.CustomErrorControllerTests]/[method:handleError_setsModelAttributes_for500WithException()] removed call to java/lang/Throwable::printStackTrace → KILLED

57

1.1
Location : handleError
Killed by : edu.ucsb.cs156.courses.controllers.CustomErrorControllerTests.[engine:junit-jupiter]/[class:edu.ucsb.cs156.courses.controllers.CustomErrorControllerTests]/[method:handleError_setsDefaults_whenNoAttributes()] replaced return value with "" for edu/ucsb/cs156/courses/controllers/CustomErrorController::handleError → KILLED

Active mutators

Tests examined


Report generated by PIT 1.17.0