fix: update Chat module unit tests

api/src/chat/dto/block.dto.ts

@@ -84,7 +84,7 @@ export class BlockCreateDto {
   @IsObjectId({
     message: 'Attached block must be a valid objectId',
   })
-  attachedBlock?: string;
+  attachedBlock?: string | null;
 
   @ApiProperty({ description: 'Block category', type: String })
   @IsNotEmpty()

api/src/chat/schemas/block.schema.ts

@@ -139,10 +139,12 @@ export class Block extends BlockStub {
   @Transform(({ obj }) => obj.nextBlocks.map((elem) => elem.toString()))
   nextBlocks: string[];
 
-  @Transform(({ obj }) => obj.attachedBlock?.toString() || null)
+  @Transform(({ obj }) =>
-  attachedBlock: string;
+    obj.attachedBlock ? obj.attachedBlock.toString() : null,
+  )
+  attachedBlock: string | null;
 
-  @Transform(({ obj }) => obj.category.toString())
+  @Transform(({ obj }) => (obj.category ? obj.category.toString() : null))
   category: string | null;
 
   @Exclude()
@@ -164,10 +166,10 @@ export class BlockFull extends BlockStub {
   nextBlocks: Block[];
 
   @Type(() => Block)
-  attachedBlock: Block;
+  attachedBlock: Block | null;
 
   @Type(() => Category)
-  category: Category;
+  category: Category | null;
 
   @Type(() => Block)
   previousBlocks?: Block[];

api/src/chat/services/bot.service.ts

@@ -251,7 +251,7 @@ export class BotService {
           // If there's labels, they should be already have been assigned
           assign_labels: [],
           trigger_labels: [],
-          attachedBlock: undefined,
+          attachedBlock: null,
           category: undefined as any,
           previousBlocks: [],
         };

api/src/utils/test/fixtures/block.ts

@@ -29,7 +29,6 @@ export const blockDefaultValues: TBlockFixtures['defaultValues'] = {
   trigger_channels: [],
   builtin: false,
   starts_conversation: false,
-  attachedBlock: null,
 };
 
 export const blocks: TBlockFixtures['values'][] = [

api/src/utils/test/mocks/block.ts

@@ -105,7 +105,7 @@ export const blockEmpty = {
   patterns: [],
   message: [''],
   nextBlocks: [],
-};
+} as unknown as BlockFull;
 
 // Translation Data
 export const textResult = ['Hi back !'];