chore: Move factories and helpers to a better place (#4551)

* chore: Move factories and helpers to a better place

* align factory product variant

* fix factory cart

* add simple store fac

* fix tests

* fix tests

* fix

* fix cart seeder

integration-tests/factories/simple-product-collection-factory.ts

@@ -0,0 +1,43 @@
+import { DataSource } from "typeorm"
+import faker from "faker"
+import { ProductCollection } from "@medusajs/medusa"
+
+export type Data = {
+  title?: string,
+  handle?: string
+}
+
+export const simpleProductCollectionFactory = async <
+  TData extends Data | Data[] = Data | Data[],
+  TResult = TData extends Array<Data> ? ProductCollection[] : ProductCollection
+>(
+  dataSource: DataSource,
+  data?: TData,
+  seed?: number
+): Promise<TResult> => {
+  if (typeof seed !== "undefined") {
+    faker.seed(seed)
+  }
+
+  const manager = dataSource.manager
+
+  data = data || [{
+    title: faker.datatype.string(10),
+  }] as TData
+
+  const collectionsData = Array.isArray(data) ? data : [data]
+
+  const collections: ProductCollection[] = []
+
+  for (const collectionData of collectionsData) {
+    const collection_ = manager.create(ProductCollection, {
+      id: `simple-id-${Math.random() * 1000}`,
+      title: collectionData.title ?? faker.datatype.string(10),
+      handle: collectionData.handle
+    })
+    collections.push(collection_)
+  }
+
+  const productCollections = await manager.save(collections)
+  return (Array.isArray(data) ? productCollections : productCollections[0]) as unknown as TResult
+}