add test github action

apps/nowcasting-app/.github/workflows/main.yml

@@ -0,0 +1,58 @@
+name: Nowcasting App Tests
+on: push
+jobs:
+  test:
+    name: Lint, typecheck & test
+    runs-on: ubuntu-latest
+    steps:
+      - name: Checkout
+        uses: actions/checkout@v2
+
+      - name: Setup Node
+        uses: actions/setup-node@v2
+        with:
+          node-version: "14"
+
+      # Cache node_modules for faster CI runs if the yarn.lock doesn't change change
+      - name: Get yarn cache directory path
+        id: yarn-cache-dir
+        run: echo "::set-output name=dir::$(yarn cache dir)"
+
+      - name: Restore yarn cache
+        uses: actions/cache@v2
+        id: yarn-cache
+        with:
+          path: ${{ steps.yarn-cache-dir.outputs.dir }}
+          key: ${{ runner.os }}-yarn1-${{ hashFiles('**/yarn.lock') }}
+          restore-keys: |
+            ${{ runner.os }}-yarn1-
+
+      # Throw an error if the yarn.lock file doesn't match the installed dependencies (rather than updating it in-place, which it does by default locally)
+      - name: Install
+        run: cd ./apps/nowcasting-app && yarn install --frozen-lockfile --silent
+
+      - name: End-to-end tests (Cypress)
+        id: cypress
+        uses: cypress-io/github-action@v2
+        env:
+          GITHUB_TOKEN: ${{ secrets.GH_TOKEN }}
+          DB_LOG: false
+          NEXT_PUBLIC_ENV_NAME: test
+        with:
+          build: yarn build
+          start: yarn test:start
+          wait-on: http://localhost:3002
+
+      - name: End-to-end tests Record (Cypress)
+        if: failure() && steps.cypress.outcome == 'failure'
+        uses: cypress-io/github-action@v2
+        env:
+          GITHUB_TOKEN: ${{ secrets.GH_TOKEN }}
+          DB_LOG: false
+          NEXT_PUBLIC_ENV_NAME: test
+          # CYPRESS_PROJECT_ID: ---
+          # CYPRESS_RECORD_KEY: ----
+        with:
+          record: true
+          start: yarn test:start
+          wait-on: http://localhost:3002

apps/nowcasting-app/package.json

@@ -4,9 +4,12 @@
   "private": true,
   "scripts": {
     "dev": "next dev -p 3002",
-    "test-srv": "cross-env NEXT_PUBLIC_ENV_NAME=test next dev -p 3002",
+    "dev:test": "cross-env NEXT_PUBLIC_ENV_NAME=test next dev -p 3002",
+    "start:test": "cross-env NEXT_PUBLIC_ENV_NAME=test next start -p 3002",
     "build": "next build",
     "start": "next start",
+    "cypress:open": "cypress open",
+    "cypress:headless": "cypress run --headless",
     "storybook": "start-storybook -p 6006",
     "build-storybook": "build-storybook",
     "lint": "next lint"