Concept.java

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package edu.ucsb.cs.scaffold.entity;
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import jakarta.persistence.*;
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import lombok.*;
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@Data
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@AllArgsConstructor
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@NoArgsConstructor
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@Builder
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@Entity
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@Table(name = "concepts")
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public class Concept {
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  // Longest a top-level concept's label may be once its Markdown is rendered to plain text;
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  // enforced everywhere labels enter the system (single-concept endpoints and YAML upload).
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  // Top-level concepts are drawn as circular nodes on the concept graph, so their labels need
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  // to stay short.
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  public static final int MAX_RENDERED_LABEL_LENGTH = 32;
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  // Longest a subconcept's label may be once its Markdown is rendered to plain text. Subconcepts
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  // are listed as rows inside their parent's node (which wrap rather than needing to fit a
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  // circle), so they can afford to be longer than top-level concept labels.
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  public static final int MAX_RENDERED_SUBCONCEPT_LABEL_LENGTH = 60;
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  @Id
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  @GeneratedValue(strategy = GenerationType.IDENTITY)
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  private Long id;
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  @ManyToOne
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  @JoinColumn(name = "course_id", nullable = false)
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  @ToString.Exclude
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  private Course course;
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  @Column(nullable = false)
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  private String label;
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  // length is set well above the default 255 so that Hibernate's schema
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  // validation matches the VARCHAR(1048576) column defined in the migration.
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  @Column(length = 1048576)
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  private String description;
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  @Column(length = 1048576)
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  private String example;
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  private String color;
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  private Integer x;
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  private Integer y;
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  // Longest-path rank from a root (no-prerequisite) concept, 1-based. Top-level only,
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  // recomputed by ConceptGraphService.reset(); see /api/course/scaffold/reset.
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  private Integer level;
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  // Author-chosen position of a subconcept within its parent's list, 0-based. Subconcepts
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  // only (null for top-level concepts). Not unique: a concurrent create can leave two
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  // subconcepts with the same value, which is harmless because display order always breaks
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  // ties by id, and the next reorder rewrites the whole list to 0..n-1.
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  private Integer sortOrder;
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  @ManyToOne
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  @JoinColumn(name = "parent_id")
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  @ToString.Exclude
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  private Concept parent;
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  public boolean isSubconcept() {
66 2 1. isSubconcept : replaced boolean return with true for edu/ucsb/cs/scaffold/entity/Concept::isSubconcept → KILLED
2. isSubconcept : negated conditional → KILLED
 
    return parent != null;
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  }
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}

Mutations

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1.1
Location : isSubconcept
Killed by : edu.ucsb.cs.scaffold.controller.ConceptsControllerTests.[engine:junit-jupiter]/[class:edu.ucsb.cs.scaffold.controller.ConceptsControllerTests]/[method:subconcepts_empty_for_course_with_only_top_level_concepts()] replaced boolean return with true for edu/ucsb/cs/scaffold/entity/Concept::isSubconcept → KILLED

2.2
Location : isSubconcept
Killed by : edu.ucsb.cs.scaffold.controller.ConceptsControllerTests.[engine:junit-jupiter]/[class:edu.ucsb.cs.scaffold.controller.ConceptsControllerTests]/[method:subconcepts_empty_for_course_with_only_top_level_concepts()] negated conditional → KILLED

Active mutators

Tests examined


Report generated by PIT 1.17.0