feat(tests): add code coverage reporting (#817)

* feat(tests): add code coverage

* fix: change volume handling

* fix: volume host dir

* refactor: remove ifs

* fix: use lcov

* fix: passthrough in mirage

* test: remove files

* fix: add codecov path fixes

* fix: add leading slash path fix

* refactor: remove unnecessary files input

* fix: remove leading slash again

* fix: test other fix

* fix: set files again

aaaaaa

* chore: remove codecov.yml

* fix: change Istanbul reporters

* fix: prefix path with ./

* test: only upload lcov.info

* fix: disable search

* fix: functionalities input

* fix: checkout code

* refactor: remove unnecessary -t

* feat: add if-no-files-found on upload-artifact

* refactor: try tokenless report uploading

* chore: update codecov-action

Author: guidojw

.github/workflows/continuous-integration.yml

@@ -11,6 +11,10 @@ on:
         description: The commit SHA to run the workflow on
         required: false
         type: string
+    secrets:
+      codecov_token:
+        description: Codecov token
+        required: true
 
 jobs:
   build:
@@ -70,11 +74,32 @@ jobs:
     runs-on: ubuntu-latest
     needs: build
     steps:
+      - name: Checkout code
+        uses: actions/checkout@8e5e7e5ab8b370d6c329ec480221332ada57f0ab # v3.5.2
+        with:
+          ref: ${{ inputs.sha }}
+
       - name: Load test image
         uses: guidojw/actions/load-docker-image@abb0ee8d1336edf73383f2e5a09abd3a22f25b13 # v1.3.3
         with:
           name: app
 
       - name: Test
         run: |
-          docker run -e CI=true -t app yarn test:ember
+          mkdir coverage
+          docker run -e CI=true -e COVERAGE=true -v "$(pwd)"'/coverage:/opt/app/coverage' app yarn test:ember
+
+      - name: Upload coverage report to Codecov
+        if: ${{ !cancelled() }}
+        uses: codecov/codecov-action@54bcd8715eee62d40e33596ef5e8f0f48dbbccab # v4.1.0
+        with:
+          fail_ci_if_error: true
+          token: ${{ secrets.CODECOV_TOKEN }}
+
+      - name: Upload coverage report artifact
+        if: ${{ !cancelled() }}
+        uses: actions/upload-artifact@a8a3f3ad30e3422c9c7b888a15615d19a852ae32 # v3.1.3
+        with:
+          name: coverage
+          path: coverage/
+          if-no-files-found: error

README.md

@@ -2,6 +2,7 @@
 
 [![Continuous Integration](https://github.com/csvalpha/amber-ui/actions/workflows/continuous-integration.yml/badge.svg)](https://github.com/csvalpha/amber-ui/actions/workflows/continuous-integration.yml)
 [![Continuous Delivery](https://github.com/csvalpha/amber-ui/actions/workflows/continuous-delivery.yml/badge.svg)](https://github.com/csvalpha/amber-ui/actions/workflows/continuous-delivery.yml)
+[![codecov](https://codecov.io/gh/csvalpha/amber-ui/graph/badge.svg?token=GMTXV28YQF)](https://codecov.io/gh/csvalpha/amber-ui)
 
 ## Prerequisites
 

ember-cli-build.js

@@ -23,6 +23,7 @@ module.exports = function (defaults) {
     },
 
     babel: {
+      plugins: [...require('ember-cli-code-coverage').buildBabelPlugin()],
       sourceMaps: 'inline',
     },
 

mirage/config.js

@@ -1,4 +1,6 @@
 export default function () {
+  this.passthrough('/write-coverage');
+
   this.namespace = '/api/v1';
 
   this.post(

package.json

@@ -46,6 +46,7 @@
     "ember-can": "^4.2.0",
     "ember-cli": "~4.11.0",
     "ember-cli-babel": "^7.26.10",
+    "ember-cli-code-coverage": "^2.0.0",
     "ember-cli-content-security-policy": "^2.0.3",
     "ember-cli-dependency-checker": "^3.2.0",
     "ember-cli-dropzonejs": "^1.3.6",

tests/test-helper.js

@@ -4,9 +4,18 @@ import * as QUnit from 'qunit';
 import { setApplication } from '@ember/test-helpers';
 import { setup } from 'qunit-dom';
 import { start } from 'ember-qunit';
+import {
+  forceModulesToBeLoaded,
+  sendCoverage,
+} from 'ember-cli-code-coverage/test-support';
 
 setApplication(Application.create(config.APP));
 
 setup(QUnit.assert);
 
+QUnit.done(async function () {
+  forceModulesToBeLoaded();
+  await sendCoverage();
+});
+
 start();