feat: Enable cypress parallel testing

.github/workflows/ui-tests.yml

@@ -0,0 +1,106 @@
+name: UI tests
+
+on:
+  pull_request:
+  workflow_dispatch:
+
+jobs:
+  test:
+    runs-on: ubuntu-18.04
+
+    strategy:
+      fail-fast: false
+      matrix:
+       containers: [1, 2]
+
+    name: UI Mariadb
+
+    services:
+      mysql:
+        image: mariadb:10.3
+        env:
+          MYSQL_ALLOW_EMPTY_PASSWORD: YES
+        ports:
+          - 3306:3306
+        options: --health-cmd="mysqladmin ping" --health-interval=5s --health-timeout=2s --health-retries=3
+
+    steps:
+      - name: Clone
+        uses: actions/checkout@v2
+
+      - name: Setup Python
+        uses: actions/setup-python@v2
+        with:
+          python-version: 3.7
+
+      - uses: actions/setup-node@v2
+        with:
+          node-version: '12'
+          check-latest: true
+
+      - name: Add to Hosts
+        run: |
+          echo "127.0.0.1 test_site" | sudo tee -a /etc/hosts
+          echo "127.0.0.1 test_site_producer" | sudo tee -a /etc/hosts
+
+      - name: Cache pip
+        uses: actions/cache@v2
+        with:
+          path: ~/.cache/pip
+          key: ${{ runner.os }}-pip-${{ hashFiles('**/requirements.txt') }}
+          restore-keys: |
+            ${{ runner.os }}-pip-
+            ${{ runner.os }}-
+
+      - name: Cache node modules
+        uses: actions/cache@v2
+        env:
+          cache-name: cache-node-modules
+        with:
+          path: ~/.npm
+          key: ${{ runner.os }}-build-${{ env.cache-name }}-${{ hashFiles('**/package-lock.json') }}
+          restore-keys: |
+            ${{ runner.os }}-build-${{ env.cache-name }}-
+            ${{ runner.os }}-build-
+            ${{ runner.os }}-
+
+      - name: Get yarn cache directory path
+        id: yarn-cache-dir-path
+        run: echo "::set-output name=dir::$(yarn cache dir)"
+
+      - uses: actions/cache@v2
+        id: yarn-cache
+        with:
+          path: ${{ steps.yarn-cache-dir-path.outputs.dir }}
+          key: ${{ runner.os }}-yarn-${{ hashFiles('**/yarn.lock') }}
+          restore-keys: |
+            ${{ runner.os }}-yarn-
+
+      - name: Cache cypress binary
+        uses: actions/cache@v2
+        with:
+          path: ~/.cache
+          key: ${{ runner.os }}-cypress-
+          restore-keys: |
+            ${{ runner.os }}-cypress-
+            ${{ runner.os }}-
+
+      - name: Install Dependencies
+        run: bash ${GITHUB_WORKSPACE}/.github/helper/install_dependencies.sh
+        env:
+          BEFORE: ${{ env.GITHUB_EVENT_PATH.before }}
+          AFTER: ${{ env.GITHUB_EVENT_PATH.after }}
+          TYPE: 'ui'
+
+      - name: Install
+        run: bash ${GITHUB_WORKSPACE}/.github/helper/install.sh
+        env:
+          DB: 'mariadb'
+          TYPE: 'ui'
+
+      - name: Run Set-Up
+        if: matrix.TYPE == 'ui'
+        run: cd ~/frappe-bench/ && bench --site test_site execute frappe.utils.install.complete_setup_wizard
+
+      - name: Run Tests
+        run: cd ~/frappe-bench/ && bench --site test_site run-ui-tests frappe --headless --parallel --ci-build-id $GITHUB_RUN_NUMBER

frappe/commands/utils.py

@@ -565,8 +565,10 @@ def run_parallel_tests(context, app, ci_build_id, with_coverage):
 @click.command('run-ui-tests')
 @click.argument('app')
 @click.option('--headless', is_flag=True, help="Run UI Test in headless mode")
+@click.option('--parallel', is_flag=True, help="Run UI Test in parallel mode")
+@click.option('--ci-build-id')
 @pass_context
-def run_ui_tests(context, app, headless=False):
+def run_ui_tests(context, app, headless=False, parallel=True, ci_build_id=None):
 	"Run UI tests"
 	site = get_site(context)
 	app_base_path = os.path.abspath(os.path.join(frappe.get_app_path(app), '..'))
@@ -598,6 +600,12 @@ def run_ui_tests(context, app, headless=False):
 	command = '{site_env} {password_env} {cypress} {run_or_open}'
 	formatted_command = command.format(site_env=site_env, password_env=password_env, cypress=cypress_path, run_or_open=run_or_open)
 
+	if parallel:
+		formatted_command += ' --parallel'
+
+	if ci_build_id:
+		formatted_command += ' --ci-build-id {}'.format(ci_build_id)
+
 	click.secho("Running Cypress...", fg="yellow")
 	frappe.commands.popen(formatted_command, cwd=app_base_path, raise_err=True)