test(backend): Testen voor DatabaseLearningPathProvider.fetchLearningPaths afgewerkt

Hierbij optredende problemen opgelost.

backend/src/data/content/learning-object-repository.ts

@@ -7,21 +7,30 @@ export class LearningObjectRepository extends DwengoEntityRepository<LearningObj
     public findByIdentifier(
         identifier: LearningObjectIdentifier
     ): Promise<LearningObject | null> {
-        return this.findOne({
-            hruid: identifier.hruid,
-            language: identifier.language,
-            version: identifier.version,
-        });
+        return this.findOne(
+            {
+                hruid: identifier.hruid,
+                language: identifier.language,
+                version: identifier.version,
+            },
+            {
+                populate: ["keywords"]
+            }
+        );
     }
 
     public findLatestByHruidAndLanguage(hruid: string, language: Language) {
-        return this.findOne({
-            hruid: hruid,
-            language: language
-        }, {
-            orderBy: {
-                version: "DESC"
+        return this.findOne(
+            {
+                hruid: hruid,
+                language: language
+            },
+            {
+                populate: ["keywords"],
+                orderBy: {
+                    version: "DESC"
+                }
             }
-        });
+        );
     }
 }

backend/src/data/content/learning-path-repository.ts

@@ -7,7 +7,10 @@ export class LearningPathRepository extends DwengoEntityRepository<LearningPath>
         hruid: string,
         language: Language
     ): Promise<LearningPath | null> {
-        return this.findOne({ hruid: hruid, language: language });
+        return this.findOne(
+            { hruid: hruid, language: language },
+            { populate: ["nodes", "nodes.transitions"] }
+        );
     }
 
     /**
@@ -25,8 +28,8 @@ export class LearningPathRepository extends DwengoEntityRepository<LearningPath>
                     { title: { $like: `%${query}%`} },
                     { description: { $like: `%${query}%`} }
                 ]
-            }
+            },
+            populate: ["nodes", "nodes.transitions"]
         });
     }
-    // This repository is read-only for now since creating own learning object is an extension feature.
 }

backend/src/data/repositories.ts

@@ -33,6 +33,8 @@ import { LearningPath } from '../entities/content/learning-path.entity.js';
 import { LearningPathRepository } from './content/learning-path-repository.js';
 import { AttachmentRepository } from './content/attachment-repository.js';
 import { Attachment } from '../entities/content/attachment.entity.js';
+import {LearningPathNode} from "../entities/content/learning-path-node.entity";
+import {LearningPathTransition} from "../entities/content/learning-path-transition.entity";
 
 let entityManager: EntityManager | undefined;
 
@@ -113,6 +115,8 @@ export const getLearningPathRepository = repositoryGetter<
     LearningPath,
     LearningPathRepository
 >(LearningPath);
+export const getLearningPathNodeRepository = repositoryGetter(LearningPathNode);
+export const getLearningPathTransitionRepository = repositoryGetter(LearningPathTransition);
 export const getAttachmentRepository = repositoryGetter<
     Attachment,
     AttachmentRepository