Adding unit tests for functions

.circleci/config.yml

@@ -50,10 +50,15 @@ jobs:
           name: Download and install official Google Chrome package
           command: wget 'https://dl.google.com/linux/direct/google-chrome-stable_current_amd64.deb' && sudo dpkg -i google-chrome-stable_current_amd64.deb
       - run:
-          name: Run tests
+          name: Run integration tests
           command: npm run test:integration
+      - run:
+          name: Run cloud function tests
+          command: npm run test:functions
       - store_artifacts:
           path: ./screenshots
+      - store_artifacts:
+          path: ./functions/coverage
   # This pushes our deployable assets to a branch, for SRE to use in deploying to stage and prod.
   deploy-branch-update:
     docker:

functions/.eslintrc.js

@@ -18,6 +18,8 @@ module.exports = {
   },
   ignorePatterns: [
     "/lib/**/*", // Ignore built files.
+    "coverage/**/*", // Ignore coverage files.
+    "jest.config.js", // Ignore jest config.
   ],
   plugins: ["@typescript-eslint", "import"],
   rules: {

functions/.testenv

@@ -0,0 +1,2 @@
+GCLOUD_PROJECT="demo-rally"
+FIRESTORE_EMULATOR_HOST="localhost:8080"

functions/jest.config.js

@@ -0,0 +1,7 @@
+module.exports = {
+  preset: "ts-jest",
+  testRegex: "src(/__tests__/.*|(\\.|/)(test|spec))\\.(jsx?|tsx?)$",
+  testPathIgnorePatterns: ["lib/", "node_modules/", "setupTests.js"],
+  moduleFileExtensions: ["js", "ts", "tsx", "jsx", "json", "node"],
+  testEnvironment: "node",  
+};