testの準備

.circleci/config.yml

@@ -1,6 +1,6 @@
 version: 2
 jobs:
-  build:
+  dependencies:
     docker:
       - image: circleci/node:8.11
     working_directory: ~/repo
@@ -17,9 +17,36 @@ jobs:
           paths:
             - node_modules
           key: v1-dependencies-{{ checksum "package.json" }}
+      - persist_to_workspace:
+          root: .
+          paths: node_modules
+  build:
+    docker:
+      - image: circleci/node:8.11
+    working_directory: ~/repo
+    steps:
+      - checkout
+      - attach_workspace:
+          at: ~/repo
       - run: yarn build
+  test:
+    docker:
+      - image: circleci/node:8.11
+    working_directory: ~/repo
+    steps:
+      - checkout
+      - attach_workspace:
+          at: ~/repo
+      - run: yarn test-ci
 workflows:
   version: 2
   build:
     jobs:
-      - build
+      - dependencies
+      - build:
+          requires:
+            - dependencies
+      - test:
+          requires:
+            - dependencies
+

.eslintrc.json

@@ -22,6 +22,7 @@
   },
   "extends": [
     "eslint:recommended",
+    "plugin:jest/recommended",
     "airbnb-base"
   ]
 }

.gitignore

@@ -1,2 +1,3 @@
 node_modules/
 lib/
+coverage/

README.md

@@ -1,4 +1,4 @@
-# SyncPod-BFF
+# SyncPod-BFF | [![CircleCI](https://circleci.com/gh/cyder/SyncPod-BFF.svg?style=svg)](https://circleci.com/gh/cyder/SyncPod-BFF) [![codecov](https://codecov.io/gh/cyder/SyncPod-BFF/branch/master/graph/badge.svg)](https://codecov.io/gh/cyder/SyncPod-BFF)
 
 ```
 ------------------         -----------------           -------------------

jest.config.js

@@ -0,0 +1,8 @@
+module.exports = {
+  transform: {
+    '^.+\\.js$': '<rootDir>/node_modules/babel-jest',
+    '.*\\.(ts)$': '<rootDir>/node_modules/ts-jest',
+  },
+  preset: 'ts-jest',
+  testEnvironment: 'node',
+};

package.json

@@ -9,13 +9,15 @@
     "start": "NODE_ENV=development nodemon --exec babel-node src/index.ts --extensions '.ts'",
     "serve": "NODE_ENV=production node lib/index.js",
     "build": "babel ./src --out-dir lib --extensions '.ts'",
+    "test": "jest",
+    "test-ci": "jest --coverage && codecov",
     "tsc": "tsc -p . --noEmit",
     "lint": "eslint -c ./.eslintrc.json 'src/**/*.ts'",
     "lint-fix": "eslint --fix -c ./.eslintrc.json 'src/**/*.ts'"
   },
   "dependencies": {
-    "apollo-server": "^2.3.3",
-    "apollo-server-express": "^2.3.3",
+    "apollo-server": "^2.4.8",
+    "apollo-server-express": "^2.4.8",
     "express": "^4.16.4",
     "graphql": "^14.1.1",
     "graphql-iso-date": "^3.6.1"
@@ -28,16 +30,23 @@
     "@babel/preset-typescript": "^7.1.0",
     "@types/graphql": "^14.0.5",
     "@types/graphql-iso-date": "^3.3.1",
+    "@types/jest": "^24.0.11",
     "@typescript-eslint/eslint-plugin": "^1.4.2",
     "@typescript-eslint/parser": "^1.4.2",
     "@typescript-eslint/typescript-estree": "^1.4.2",
+    "apollo-server-testing": "^2.4.8",
+    "babel-jest": "^24.5.0",
+    "codecov": "^3.2.0",
     "eslint": "^5.15.1",
     "eslint-config-airbnb-base": "^13.1.0",
     "eslint-config-prettier": "^4.1.0",
     "eslint-plugin-import": "^2.16.0",
+    "eslint-plugin-jest": "^22.4.1",
     "eslint-plugin-prettier": "^3.0.1",
+    "jest": "^24.5.0",
     "nodemon": "^1.18.9",
     "prettier": "^1.16.4",
+    "ts-jest": "^24.0.0",
     "typescript": "^3.2.4"
   }
 }

src/__test__/.eslintrc.js

@@ -0,0 +1,8 @@
+module.exports = {
+  rules: {
+    'import/no-extraneous-dependencies': ['error', {
+      devDependencies: true,
+      optionalDependencies: false,
+    }],
+  }
+};

src/__test__/__snapshots__/integration.test.ts.snap

@@ -0,0 +1,40 @@
+// Jest Snapshot v1, https://goo.gl/fbAQLP
+
+exports[`Mutations returns user 1`] = `
+Object {
+  "data": Object {
+    "login": Object {
+      "accessToken": "69:q1aXhT-onz4sWejxcV1s",
+      "createdAt": "2018-03-31T07:35:05.000Z",
+      "email": "[email protected]",
+      "icon": null,
+      "id": 69,
+      "name": "MyString",
+      "selfIntroduction": null,
+      "updatedAt": "2018-03-31T07:35:05.000Z",
+    },
+  },
+  "errors": undefined,
+  "extensions": undefined,
+  "http": Object {
+    "headers": Headers {
+      Symbol(map): Object {},
+    },
+  },
+}
+`;
+
+exports[`Queries returns pong  1`] = `
+Object {
+  "data": Object {
+    "ping": "pong",
+  },
+  "errors": undefined,
+  "extensions": undefined,
+  "http": Object {
+    "headers": Headers {
+      Symbol(map): Object {},
+    },
+  },
+}
+`;

src/__test__/integration.test.ts

@@ -0,0 +1,45 @@
+import { createTestClient } from 'apollo-server-testing';
+import { gql } from 'apollo-server-express';
+
+import server from '..';
+
+const PING = gql`
+  query {
+    ping
+  }
+`;
+
+const LOGIN = gql`
+  mutation login($email: String!, $password: String!) {
+    login(email: $email, password: $password) {
+      id
+      icon
+      email
+      name
+      accessToken
+      createdAt
+      updatedAt
+      selfIntroduction
+    }
+  }
+`;
+
+describe('Queries', () => {
+  it('returns pong ', async () => {
+    const { query } = createTestClient(server);
+    const res = await query({ query: PING });
+    expect(res).toMatchSnapshot();
+  });
+});
+
+describe('Mutations', () => {
+  it('returns user', async () => {
+    const { mutate } = createTestClient(server);
+    const res = await mutate({
+      query: undefined,
+      mutation: LOGIN,
+      variables: { email: '[email protected]', password: 'password' },
+    } as any);
+    expect(res).toMatchSnapshot();
+  });
+});

src/__test__/resolvers/mutation.test.ts

@@ -0,0 +1,17 @@
+import { resolvers } from '../..';
+
+describe('[Query.ping]', () => {
+  it('returns user', async () => {
+    const res = await resolvers.Mutation.login();
+    expect(res).toEqual({
+      id: 69,
+      icon: null,
+      email: '[email protected]',
+      name: 'MyString',
+      accessToken: '69:q1aXhT-onz4sWejxcV1s',
+      createdAt: '2018-03-31T07:35:05.000Z',
+      updatedAt: '2018-03-31T07:35:05.000Z',
+      selfIntroduction: null,
+    });
+  });
+});

src/__test__/resolvers/query.test.ts

@@ -0,0 +1,8 @@
+import { resolvers } from '../..';
+
+describe('[Query.ping]', () => {
+  it('returns pong', async () => {
+    const res = await resolvers.Query.ping();
+    expect(res).toEqual('pong');
+  });
+});

src/index.ts

@@ -380,7 +380,16 @@ const server = new ApolloServer({
 
 server.applyMiddleware({ app, cors: { credentials: true, origin: CLIENT_HOST } });
 
-app.listen({ port: PORT }, () => {
-  // eslint-disable-next-line no-console
-  console.log(`🚀  Server ready at localhost:${PORT}${server.graphqlPath}`);
-});
+if (process.env.NODE_ENV !== 'test') {
+  app.listen({ port: PORT }, () => {
+    // eslint-disable-next-line no-console
+    console.log(`🚀  Server ready at localhost:${PORT}${server.graphqlPath}`);
+  });
+}
+
+export default server;
+
+export {
+  typeDefs,
+  resolvers,
+};