test: introduce cypress tests

Co-authored-by: Ankush <ankush@iwebnotes.com>
Co-authored-by: Nabin Hait <nabinhait@gmail.com>
diff --git a/.eslintrc b/.eslintrc
index 3b6ab74..ecfaab2 100644
--- a/.eslintrc
+++ b/.eslintrc
@@ -147,10 +147,14 @@
 		"Chart": true,
 		"Cypress": true,
 		"cy": true,
+		"describe": true,
+		"expect": true,
 		"it": true,
 		"context": true,
 		"before": true,
 		"beforeEach": true,
-		"onScan": true
+		"onScan": true,
+		"extend_cscript": true,
+		"localforage": true
 	}
 }
diff --git a/.github/helper/install.sh b/.github/helper/install.sh
index 7b0f944..a6a6069 100644
--- a/.github/helper/install.sh
+++ b/.github/helper/install.sh
@@ -42,5 +42,5 @@
 sed -i 's/redis_socketio:/# redis_socketio:/g' Procfile
 
 bench get-app erpnext "${GITHUB_WORKSPACE}"
-bench start &
+bench start &> bench_run_logs.txt &
 bench --site test_site reinstall --yes
diff --git a/.github/workflows/ui-tests.yml b/.github/workflows/ui-tests.yml
new file mode 100644
index 0000000..412a05b
--- /dev/null
+++ b/.github/workflows/ui-tests.yml
@@ -0,0 +1,108 @@
+name: UI
+
+on:
+  pull_request:
+  workflow_dispatch:
+
+jobs:
+  test:
+    runs-on: ubuntu-18.04
+
+    strategy:
+      fail-fast: false
+
+    name: UI Tests (Cypress)
+
+    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: 14
+          check-latest: true
+
+      - name: Add to Hosts
+        run: |
+          echo "127.0.0.1 test_site" | 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
+        run: bash ${GITHUB_WORKSPACE}/.github/helper/install.sh
+        env:
+          DB: mariadb
+          TYPE: ui
+
+      - name: Site Setup
+        run: cd ~/frappe-bench/ && bench --site test_site execute erpnext.setup.utils.before_tests
+
+      - name: cypress pre-requisites
+        run: cd ~/frappe-bench/apps/frappe && yarn add cypress-file-upload@^5 --no-lockfile
+
+
+      - name: Build Assets
+        run: cd ~/frappe-bench/ && bench build
+
+      - name: UI Tests
+        run: cd ~/frappe-bench/ && bench --site test_site run-ui-tests erpnext --headless
+        env:
+          CYPRESS_RECORD_KEY: ${{ secrets.CYPRESS_RECORD_KEY }}
+
+      - name: Show bench console if tests failed
+        if: ${{ failure() }}
+        run: cat ~/frappe-bench/bench_run_logs.txt
diff --git a/cypress.json b/cypress.json
new file mode 100644
index 0000000..2f5026f
--- /dev/null
+++ b/cypress.json
@@ -0,0 +1,11 @@
+{
+    "baseUrl": "http://test_site:8000/",
+    "projectId": "da59y9",
+    "adminPassword": "admin",
+    "defaultCommandTimeout": 20000,
+    "pageLoadTimeout": 15000,
+    "retries": {
+      "runMode": 2,
+      "openMode": 2
+    }
+}
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diff --git a/cypress/fixtures/example.json b/cypress/fixtures/example.json
new file mode 100644
index 0000000..da18d93
--- /dev/null
+++ b/cypress/fixtures/example.json
@@ -0,0 +1,5 @@
+{
+  "name": "Using fixtures to represent data",
+  "email": "hello@cypress.io",
+  "body": "Fixtures are a great way to mock data for responses to routes"
+}
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diff --git a/cypress/integration/test_customer.js b/cypress/integration/test_customer.js
new file mode 100644
index 0000000..3d6ed5d
--- /dev/null
+++ b/cypress/integration/test_customer.js
@@ -0,0 +1,13 @@
+
+context('Customer', () => {
+	before(() => {
+		cy.login();
+	});
+	it('Check Customer Group', () => {
+		cy.visit(`app/customer/`);
+		cy.get('.primary-action').click();
+		cy.wait(500);
+		cy.get('.custom-actions > .btn').click();
+		cy.get_field('customer_group', 'Link').should('have.value', 'All Customer Groups');
+	});
+});
diff --git a/cypress/plugins/index.js b/cypress/plugins/index.js
new file mode 100644
index 0000000..07d9804
--- /dev/null
+++ b/cypress/plugins/index.js
@@ -0,0 +1,17 @@
+// ***********************************************************
+// This example plugins/index.js can be used to load plugins
+//
+// You can change the location of this file or turn off loading
+// the plugins file with the 'pluginsFile' configuration option.
+//
+// You can read more here:
+// https://on.cypress.io/plugins-guide
+// ***********************************************************
+
+// This function is called when a project is opened or re-opened (e.g. due to
+// the project's config changing)
+
+module.exports = () => {
+	// `on` is used to hook into various events Cypress emits
+	// `config` is the resolved Cypress config
+};
diff --git a/cypress/support/commands.js b/cypress/support/commands.js
new file mode 100644
index 0000000..7ddc80a
--- /dev/null
+++ b/cypress/support/commands.js
@@ -0,0 +1,31 @@
+// ***********************************************
+// This example commands.js shows you how to
+// create various custom commands and overwrite
+// existing commands.
+//
+// For more comprehensive examples of custom
+// commands please read more here:
+// https://on.cypress.io/custom-commands
+// ***********************************************
+//
+//
+// -- This is a parent command --
+// Cypress.Commands.add("login", (email, password) => { ... });
+//
+//
+// -- This is a child command --
+// Cypress.Commands.add("drag", { prevSubject: 'element'}, (subject, options) => { ... });
+//
+//
+// -- This is a dual command --
+// Cypress.Commands.add("dismiss", { prevSubject: 'optional'}, (subject, options) => { ... });
+//
+//
+// -- This is will overwrite an existing command --
+// Cypress.Commands.overwrite("visit", (originalFn, url, options) => { ... });
+
+const slug = (name) => name.toLowerCase().replace(" ", "-");
+
+Cypress.Commands.add("go_to_doc", (doctype, name) => {
+	cy.visit(`/app/${slug(doctype)}/${encodeURIComponent(name)}`);
+});
diff --git a/cypress/support/index.js b/cypress/support/index.js
new file mode 100644
index 0000000..72070cc
--- /dev/null
+++ b/cypress/support/index.js
@@ -0,0 +1,26 @@
+// ***********************************************************
+// This example support/index.js is processed and
+// loaded automatically before your test files.
+//
+// This is a great place to put global configuration and
+// behavior that modifies Cypress.
+//
+// You can change the location of this file or turn off
+// automatically serving support files with the
+// 'supportFile' configuration option.
+//
+// You can read more here:
+// https://on.cypress.io/configuration
+// ***********************************************************
+
+// Import commands.js using ES2015 syntax:
+import './commands';
+import '../../../frappe/cypress/support/commands' // eslint-disable-line
+
+
+// Alternatively you can use CommonJS syntax:
+// require('./commands')
+
+Cypress.Cookies.defaults({
+	preserve: 'sid'
+});
diff --git a/cypress/tsconfig.json b/cypress/tsconfig.json
new file mode 100644
index 0000000..d90ebf6
--- /dev/null
+++ b/cypress/tsconfig.json
@@ -0,0 +1,12 @@
+{
+    "compilerOptions": {
+        "allowJs": true,
+        "baseUrl": "../node_modules",
+        "types": [
+            "cypress"
+        ]
+    },
+    "include": [
+        "**/*.*"
+    ]
+}
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