Showcase how jest-mock-extended works

common/spec/services/cipher.service.spec.ts

@@ -1,6 +1,5 @@
-import { Arg, Substitute, SubstituteOf } from "@fluffy-spoon/substitute";
+import { any, mock, mockDeep, MockProxy } from "jest-mock-extended";
 
-import { ApiService } from "jslib-common/abstractions/api.service";
 import { CryptoService } from "jslib-common/abstractions/crypto.service";
 import { FileUploadService } from "jslib-common/abstractions/fileUpload.service";
 import { I18nService } from "jslib-common/abstractions/i18n.service";
@@ -13,35 +12,37 @@ import { Cipher } from "jslib-common/models/domain/cipher";
 import { EncArrayBuffer } from "jslib-common/models/domain/encArrayBuffer";
 import { EncString } from "jslib-common/models/domain/encString";
 import { SymmetricCryptoKey } from "jslib-common/models/domain/symmetricCryptoKey";
+import { ApiService } from "jslib-common/services/api.service";
 import { CipherService } from "jslib-common/services/cipher.service";
 
 const ENCRYPTED_TEXT = "This data has been encrypted";
 const ENCRYPTED_BYTES = new EncArrayBuffer(Utils.fromUtf8ToArray(ENCRYPTED_TEXT).buffer);
 
 describe("Cipher Service", () => {
-  let cryptoService: SubstituteOf<CryptoService>;
-  let stateService: SubstituteOf<StateService>;
-  let settingsService: SubstituteOf<SettingsService>;
-  let apiService: SubstituteOf<ApiService>;
-  let fileUploadService: SubstituteOf<FileUploadService>;
-  let i18nService: SubstituteOf<I18nService>;
-  let searchService: SubstituteOf<SearchService>;
-  let logService: SubstituteOf<LogService>;
+  let cryptoService: MockProxy<CryptoService>;
+  let stateService: MockProxy<StateService>;
+  let settingsService: MockProxy<SettingsService>;
+  let apiService: MockProxy<ApiService>;
+  let fileUploadService: MockProxy<FileUploadService>;
+  let i18nService: MockProxy<I18nService>;
+  let searchService: MockProxy<SearchService>;
+  let logService: MockProxy<LogService>;
 
   let cipherService: CipherService;
 
   beforeEach(() => {
-    cryptoService = Substitute.for<CryptoService>();
-    stateService = Substitute.for<StateService>();
-    settingsService = Substitute.for<SettingsService>();
-    apiService = Substitute.for<ApiService>();
-    fileUploadService = Substitute.for<FileUploadService>();
-    i18nService = Substitute.for<I18nService>();
-    searchService = Substitute.for<SearchService>();
-    logService = Substitute.for<LogService>();
+    cryptoService = mock<CryptoService>();
+    stateService = mock<StateService>();
+    settingsService = mock<SettingsService>();
+    apiService = mock<ApiService>();
+    fileUploadService = mock<FileUploadService>();
+    i18nService = mock<I18nService>();
+    searchService = mock<SearchService>();
+    logService = mock<LogService>();
 
-    cryptoService.encryptToBytes(Arg.any(), Arg.any()).resolves(ENCRYPTED_BYTES);
-    cryptoService.encrypt(Arg.any(), Arg.any()).resolves(new EncString(ENCRYPTED_TEXT));
+    cryptoService.makeEncKey.mockResolvedValue([jest.fn(), jest.fn()] as any);
+    cryptoService.encryptToBytes.mockResolvedValue(ENCRYPTED_BYTES);
+    cryptoService.encrypt.mockResolvedValue(new EncString(ENCRYPTED_TEXT));
 
     cipherService = new CipherService(
       cryptoService,
@@ -58,12 +59,17 @@ describe("Cipher Service", () => {
   it("attachments upload encrypted file contents", async () => {
     const fileName = "filename";
     const fileData = new Uint8Array(10).buffer;
-    cryptoService.getOrgKey(Arg.any()).resolves(new SymmetricCryptoKey(new Uint8Array(32).buffer));
+    cryptoService.getOrgKey.mockResolvedValue(new SymmetricCryptoKey(new Uint8Array(32).buffer));
+    apiService.postCipherAttachment.mockResolvedValue("123" as any);
 
     await cipherService.saveAttachmentRawWithServer(new Cipher(), fileName, fileData);
 
-    fileUploadService
-      .received(1)
-      .uploadCipherAttachment(Arg.any(), Arg.any(), new EncString(ENCRYPTED_TEXT), ENCRYPTED_BYTES);
+    expect(fileUploadService.uploadCipherAttachment).toHaveBeenCalledTimes(1);
+    expect(fileUploadService.uploadCipherAttachment).toHaveBeenCalledWith(
+      any(),
+      any(),
+      new EncString(ENCRYPTED_TEXT),
+      ENCRYPTED_BYTES
+    );
   });
 });

package.json

@@ -23,6 +23,8 @@
     "prepare": "husky install"
   },
   "devDependencies": {
+    "@angular-devkit/build-angular": "^12.2.13",
+    "@angular/platform-browser-dynamic": "^12.2.13",
     "@fluffy-spoon/substitute": "^1.202.0",
     "@types/jest": "^27.4.1",
     "@types/node": "^16.11.12",
@@ -37,6 +39,7 @@
     "form-data": "4.0.0",
     "husky": "^7.0.4",
     "jest": "^27.5.1",
+    "jest-mock-extended": "^2.0.4",
     "jest-preset-angular": "^11.1.1",
     "jsdom": "^16.5.3",
     "lint-staged": "^12.1.2",
@@ -51,7 +54,7 @@
     "typemoq": "^2.1.0",
     "typescript": "4.3.5",
     "typescript-transform-paths": "^2.2.3",
-    "webpack": "^4.46.0"
+    "zone.js": "0.11.4"
   },
   "dependencies": {
     "@bitwarden/jslib-angular": "file:angular",