chore(): Reorganize modules (#7210)

**What**
Move all modules to the modules directory

packages/modules/file/integration-tests/__fixtures__/providers/default-provider.ts

@@ -0,0 +1,32 @@
+import { FileTypes } from "@medusajs/types"
+import { AbstractFileProviderService } from "@medusajs/utils"
+
+export class FileProviderServiceFixtures extends AbstractFileProviderService {
+  static identifier = "fixtures-file-provider"
+  protected storage = {}
+  async upload(
+    file: FileTypes.ProviderUploadFileDTO
+  ): Promise<FileTypes.ProviderFileResultDTO> {
+    this.storage[file.filename] = file.content
+    return {
+      url: file.filename,
+      key: file.filename,
+    }
+  }
+  async delete(file: FileTypes.ProviderDeleteFileDTO): Promise<void> {
+    delete this.storage[file.fileKey]
+    return
+  }
+
+  async getPresignedDownloadUrl(
+    fileData: FileTypes.ProviderGetFileDTO
+  ): Promise<string> {
+    if (this.storage[fileData.fileKey]) {
+      return this.storage[fileData.fileKey]
+    }
+
+    return ""
+  }
+}
+
+export const services = [FileProviderServiceFixtures]

packages/modules/file/integration-tests/__fixtures__/providers/index.ts

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+export * from "./default-provider"

packages/modules/file/integration-tests/__tests__/module.spec.ts

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+import { resolve } from "path"
+import { Modules } from "@medusajs/utils"
+import { SuiteOptions, moduleIntegrationTestRunner } from "medusa-test-utils"
+import { Entity, PrimaryKey } from "@mikro-orm/core"
+
+jest.setTimeout(100000)
+
+// The test runner throws if a model is not passed, so we create a dummy entity
+@Entity({ tableName: "dummy_file_entity" })
+export default class DummyEntity {
+  @PrimaryKey()
+  id: string
+}
+
+const moduleOptions = {
+  providers: [
+    {
+      resolve: resolve(
+        process.cwd() +
+          "/integration-tests/__fixtures__/providers/default-provider"
+      ),
+      options: {
+        config: {
+          "default-provider": {},
+        },
+      },
+    },
+  ],
+}
+
+moduleIntegrationTestRunner({
+  moduleName: Modules.FILE,
+  moduleOptions: moduleOptions,
+  moduleModels: [DummyEntity],
+  // TODO: Fix the type of service, it complains for some reason if we pass IFileModuleService
+  testSuite: ({ service }: SuiteOptions<any>) => {
+    describe("File Module Service", () => {
+      it("creates and gets a file", async () => {
+        const res = await service.create({
+          filename: "test.jpg",
+          mimeType: "image/jpeg",
+          content: Buffer.from("test"),
+        })
+
+        expect(res).toEqual({
+          id: "test.jpg",
+          url: "test.jpg",
+        })
+
+        // The fake provider returns the file content as the url
+        const downloadUrl = await service.retrieve("test.jpg")
+        expect(await new Response(downloadUrl.url).text()).toEqual("test")
+      })
+    })
+  },
+})