Mailer tests

.eslintrc.js

@@ -1,6 +1,7 @@
 module.exports = {
   root: true,
   env: { browser: true, jest: true },
+  globals: { fetchMock: true },
   parser: 'vue-eslint-parser',
   parserOptions: {
     parser: '@typescript-eslint/parser',

CHANGELOG.md

@@ -9,6 +9,9 @@ and this project adheres to [Semantic Versioning](https://semver.org/spec/v2.0.0
 
 ### Fixed
 
+### Added
+
+- Added unit tests for `core/modules/mailer` - @krskibin (#3710)
 
 ## [1.11.0-rc.1] - 2019.10.03
 

core/modules/mailer/test/unit/sendEmail.spec.ts

@@ -0,0 +1,47 @@
+import { mailerStore } from '../../store/index'
+import config from 'config'
+
+jest.mock('@vue-storefront/i18n', () => ({ t: jest.fn(str => str) }));
+jest.mock('@vue-storefront/core/lib/storage-manager', () => jest.fn())
+jest.mock('@vue-storefront/core/app', () => jest.fn())
+jest.mock('@vue-storefront/core/lib/multistore', () => jest.fn())
+jest.mock('@vue-storefront/core/store', () => ({ Module: jest.fn() }))
+jest.mock('@vue-storefront/core/lib/logger', () => ({
+  Logger: {
+    error: jest.fn(() => jest.fn())
+  }
+}))
+
+describe('Mailer store module', () => {
+  const letterMock = {}
+  const contextMock = {};
+  const wrapper = (actions: any) => actions.sendEmail(contextMock, letterMock)
+
+  beforeEach(() => {
+    jest.clearAllMocks();
+    fetchMock.resetMocks()
+  })
+
+  it('should send email succesfully', async () => {
+    fetchMock.mockResponses(
+      [ JSON.stringify({ code: 200 }), { status: 200 } ],
+      [ JSON.stringify({ send: true }), { status: 200 } ]
+    )
+
+    const res = await wrapper(mailerStore.actions);
+    const resData = await res.json()
+
+    expect(resData.send).toBe(true)
+  })
+
+  it('should thrown error when response code is wrong', async () => {
+    const wrongResponseCode = 201;
+    fetchMock.mockResponseOnce(JSON.stringify({ code: wrongResponseCode }))
+
+    try {
+      const res = await wrapper(mailerStore.actions)
+    } catch (e) {
+      expect(e.message).toBe(`Error: ${wrongResponseCode}`)
+    }
+  })
+})

package.json

@@ -50,7 +50,10 @@
   },
   "lint-staged": {
     "*.{js,vue,ts}": "eslint",
-    "**/i18n/*.csv": ["node ./core/scripts/utils/sort-translations.js", "git add"]
+    "**/i18n/*.csv": [
+      "node ./core/scripts/utils/sort-translations.js",
+      "git add"
+    ]
   },
   "husky": {
     "hooks": {
@@ -145,6 +148,7 @@
     "inquirer": "^3.3.0",
     "is-windows": "^1.0.1",
     "jest": "^24.8.0",
+    "jest-fetch-mock": "^2.1.2",
     "jest-serializer-vue": "^2.0.2",
     "jsonfile": "^4.0.0",
     "lerna": "^3.14.1",

test/unit/jest.conf.js

@@ -36,6 +36,6 @@ module.exports = {
     '<rootDir>/node_modules/(?!lodash-es/.*)'
   ],
   setupFiles: [
-    '<rootDir>/test/unit/setupTestEnvironment.js'
+    '<rootDir>/test/unit/setupTestEnvironment.ts'
   ]
 }

test/unit/setupTestEnvironment.ts

@@ -0,0 +1,6 @@
+import '@babel/polyfill'
+import {GlobalWithFetchMock} from 'jest-fetch-mock';
+
+const customGlobal: GlobalWithFetchMock = global as GlobalWithFetchMock;
+customGlobal.fetch = require('jest-fetch-mock');
+customGlobal.fetchMock = customGlobal.fetch;

yarn.lock

@@ -4943,6 +4943,14 @@ cross-env@^3.1.4:
     cross-spawn "^5.1.0"
     is-windows "^1.0.0"
 
+cross-fetch@^2.2.2:
+  version "2.2.3"
+  resolved "https://registry.yarnpkg.com/cross-fetch/-/cross-fetch-2.2.3.tgz#e8a0b3c54598136e037f8650f8e823ccdfac198e"
+  integrity sha512-PrWWNH3yL2NYIb/7WF/5vFG3DCQiXDOVf8k3ijatbrtnwNuhMWLC7YF7uqf53tbTFDzHIUD8oITw4Bxt8ST3Nw==
+  dependencies:
+    node-fetch "2.1.2"
+    whatwg-fetch "2.0.4"
+
 cross-spawn@^3.0.0:
   version "3.0.1"
   resolved "https://registry.yarnpkg.com/cross-spawn/-/cross-spawn-3.0.1.tgz#1256037ecb9f0c5f79e3d6ef135e30770184b982"
@@ -8128,6 +8136,14 @@ jest-environment-node@^24.8.0:
     jest-mock "^24.8.0"
     jest-util "^24.8.0"
 
+jest-fetch-mock@^2.1.2:
+  version "2.1.2"
+  resolved "https://registry.yarnpkg.com/jest-fetch-mock/-/jest-fetch-mock-2.1.2.tgz#1260b347918e3931c4ec743ceaf60433da661bd0"
+  integrity sha512-tcSR4Lh2bWLe1+0w/IwvNxeDocMI/6yIA2bijZ0fyWxC4kQ18lckQ1n7Yd40NKuisGmcGBRFPandRXrW/ti/Bw==
+  dependencies:
+    cross-fetch "^2.2.2"
+    promise-polyfill "^7.1.1"
+
 jest-get-type@^24.8.0:
   version "24.8.0"
   resolved "https://registry.yarnpkg.com/jest-get-type/-/jest-get-type-24.8.0.tgz#a7440de30b651f5a70ea3ed7ff073a32dfe646fc"
@@ -9815,6 +9831,11 @@ node-fetch-npm@^2.0.2:
     json-parse-better-errors "^1.0.0"
     safe-buffer "^5.1.1"
 
+node-fetch@2.1.2:
+  version "2.1.2"
+  resolved "https://registry.yarnpkg.com/node-fetch/-/node-fetch-2.1.2.tgz#ab884e8e7e57e38a944753cec706f788d1768bb5"
+  integrity sha1-q4hOjn5X44qUR1POxwb3iNF2i7U=
+
 node-fetch@^1.0.1:
   version "1.7.3"
   resolved "https://registry.yarnpkg.com/node-fetch/-/node-fetch-1.7.3.tgz#980f6f72d85211a5347c6b2bc18c5b84c3eb47ef"
@@ -11201,6 +11222,11 @@ promise-inflight@^1.0.1:
   version "1.0.1"
   resolved "https://registry.yarnpkg.com/promise-inflight/-/promise-inflight-1.0.1.tgz#98472870bf228132fcbdd868129bad12c3c029e3"
 
+promise-polyfill@^7.1.1:
+  version "7.1.2"
+  resolved "https://registry.yarnpkg.com/promise-polyfill/-/promise-polyfill-7.1.2.tgz#ab05301d8c28536301622d69227632269a70ca3b"
+  integrity sha512-FuEc12/eKqqoRYIGBrUptCBRhobL19PS2U31vMNTfyck1FxPyMfgsXyW4Mav85y/ZN1hop3hOwRlUDok23oYfQ==
+
 promise-retry@^1.1.1:
   version "1.1.1"
   resolved "https://registry.yarnpkg.com/promise-retry/-/promise-retry-1.1.1.tgz#6739e968e3051da20ce6497fb2b50f6911df3d6d"
@@ -13990,6 +14016,11 @@ whatwg-encoding@^1.0.1, whatwg-encoding@^1.0.3:
   dependencies:
     iconv-lite "0.4.24"
 
+whatwg-fetch@2.0.4:
+  version "2.0.4"
+  resolved "https://registry.yarnpkg.com/whatwg-fetch/-/whatwg-fetch-2.0.4.tgz#dde6a5df315f9d39991aa17621853d720b85566f"
+  integrity sha512-dcQ1GWpOD/eEQ97k66aiEVpNnapVj90/+R+SXTPYGHpYBBypfKJEQjLrvMZ7YXbKm21gXd4NcuxUTjiv1YtLng==
+
 whatwg-fetch@>=0.10.0:
   version "3.0.0"
   resolved "https://registry.yarnpkg.com/whatwg-fetch/-/whatwg-fetch-3.0.0.tgz#fc804e458cc460009b1a2b966bc8817d2578aefb"