[TBCCT-249] feat(api): Ensure that the project scorecards are wiped before new ones are imported

api/src/modules/import/import.repostiory.ts

@@ -34,7 +34,11 @@ export class ImportRepository {
   constructor(private readonly dataSource: DataSource) {}
 
   async importProjectScorecard(projectScorecards: ProjectScorecard[]) {
-    return this.dataSource.transaction(async (manager) => {
+    return this.dataSource.transaction('READ COMMITTED', async (manager) => {
+      // Wipe current project scorecards
+      await manager.clear(ProjectScorecard);
+
+      // Insert
       await manager.save(projectScorecards);
     });
   }

api/test/integration/import/import.repository.spec.ts

@@ -0,0 +1,38 @@
+import { ProjectScorecard } from '@shared/entities/project-scorecard.entity';
+import { TestManager } from 'api/test/utils/test-manager';
+
+describe('Import Repository', () => {
+  let testManager: TestManager;
+  let jwtToken: string;
+
+  beforeAll(async () => {
+    testManager = await TestManager.createTestManager();
+    const response = await testManager.setUpTestUser();
+    jwtToken = response.jwtToken;
+  });
+
+  afterEach(async () => {
+    await testManager.clearDatabase();
+  });
+
+  afterAll(async () => {
+    await testManager.close();
+  });
+
+  it('should wipe previous project scorecards before importing new ones', async () => {
+    // Given
+    await testManager.ingestCountries();
+    await testManager.ingestProjectScoreCards(jwtToken);
+    const scorecardRepository =
+      testManager.dataSource.getRepository(ProjectScorecard);
+
+    const scorecardCount = await scorecardRepository.count();
+
+    // When
+    await testManager.ingestProjectScoreCards(jwtToken);
+    const latestScorecardCount = await scorecardRepository.count();
+
+    // Then
+    expect(scorecardCount).toEqual(latestScorecardCount);
+  });
+});