add tests using mocha and chai

Signed-off-by: Jakub Sokołowski <jakub@status.im>

package.json

@@ -23,50 +23,34 @@
     "@babel/plugin-transform-async-to-generator": "^7.1.0",
     "@babel/preset-env": "^7.1.0",
     "babel-core": "^7.0.0-bridge.0",
+    "chai": "^4.2.0",
+    "chai-as-promised": "^7.1.1",
     "gulp": "^3.9.1",
     "gulp-babel": "^8.0.0-beta.2",
     "gulp-clean": "^0.4.0",
     "gulp-nodemon": "^2.2.1",
     "gulp-print": "^5.0.0",
-    "jest": "^23.6.0",
+    "mocha": "^5.2.0",
     "nodemon": "^1.18.4",
     "sinon": "^7.1.1",
     "supertest": "^3.3.0"
   },
   "scripts": {
     "start": "node server.js",
-    "test": "jest",
-    "testw": "jest --watchAll",
+    "test": "mocha --require @babel/register",
+    "testw": "mocha --require @babel/register --watch",
     "devel": "gulp devel",
     "clean": "gulp clean",
     "build": "gulp build",
     "image": "docker build -t statusteam/ghcmgr .",
     "push": "docker push statusteam/ghcmgr"
   },
-  "jest": {
-    "moduleFileExtensions": [
-      "js",
-      "json"
-    ],
-    "collectCoverage": true,
-    "collectCoverageFrom": [
-      "src/**/*.js",
-      "!**/node_modules/**",
-      "!**/build/**",
-      "!**/coverage/**"
-    ],
-    "coverageReporters": [
-      "text",
-      "text-summary"
-    ],
-    "testRegex": "/test/.*.js$",
-    "testPathIgnorePatterns": [
-      "/node_modules/",
-      "/build/",
-      "/coverage/"
-    ]
-  },
-  "keywords": [],
+  "keywords": [
+    "github",
+    "comments",
+    "ci",
+    "builds"
+  ],
   "author": "",
   "license": "ISC"
 }

src/builds.js

@@ -39,7 +39,7 @@ class Builds {
   async getBuilds (pr) {
     const builds = await this.builds.chain()
       .find({pr})
-      .compoundsort(['$loki', 'platform', 'id'])
+      .compoundsort(['$loki', 'id'])
       .data()
     /* strip the $loki attribute */
     return builds.map((b) => {

test/comments.js

@@ -0,0 +1,28 @@
+import { expect } from 'chai'
+import sinon from 'sinon'
+import Octokit from '@octokit/rest'
+
+import Builds from '../src/builds'
+import Comments from '../src/comments'
+
+let comments, client, builds
+
+describe('Comments', () => {
+  before(() => {
+    //client = sinon.createStubInstance(Octokit, {what: 2})
+    builds = sinon.createStubInstance(Builds, {
+      getBuilds: []
+    })
+    comments = new Comments(client, 'owner', 'repo', builds)
+  })
+  
+  describe('renderComment', () => {
+    it('should fail with no builds', async () => {
+      try {
+        await comments.renderComment('PR')
+      } catch(err) {
+        expect(err.message).to.eq('No builds exist for this PR')
+      }
+    })
+  })
+})