Merge pull request #2633 from input-output-hk/feature/jest-unit-tests

[DDW-771] Add jest and couple of unit tests

Author: DominikGuzei

.eslintrc

@@ -12,12 +12,14 @@
     "prettier",
     "prettier/babel",
     "prettier/flowtype",
-    "prettier/react"
+    "prettier/react",
+    "plugin:jest/recommended"
   ],
   "env": {
     "browser": true,
     "mocha": true,
-    "node": true
+    "node": true,
+    "jest": true
   },
   "rules": {
     "class-methods-use-this": 0,
@@ -77,7 +79,8 @@
     "flowtype",
     "import",
     "promise",
-    "react"
+    "react",
+    "jest"
   ],
   "globals": {
     "API": true,

.github/workflows/run_tests_on_pr.yml

@@ -0,0 +1,18 @@
+name: Run Tests for Pull Requests
+on:
+  pull_request:
+    branches:
+      - develop
+      - master
+jobs:
+  tests:
+    runs-on: ubuntu-latest
+    steps:
+      - name: Checkout Repo
+        uses: actions/checkout@v2
+      - name: Setup Node.js
+        uses: actions/setup-node@v2
+        with:
+          node-version: "12"
+      - run: yarn install
+      - run: yarn test:jest

CHANGELOG.md

@@ -4,6 +4,7 @@
 
 ### Chores
 
+- Added jest library for unit testing ([PR 2633](https://github.com/input-output-hk/daedalus/pull/2633))
 - Updated `cardano-launcher` to version `0.20211105.1` and added Cardano Node RTS flags which improve resource usage ([PR 2735](https://github.com/input-output-hk/daedalus/pull/2735), [PR 2741](https://github.com/input-output-hk/daedalus/pull/2741))
 
 ## 4.5.1