multiple backends

ryanthemanuel · ryanthemanuel · commit ab61cf60cd67 · 2024-09-16T13:02:52.000-05:00
diff --git a/.circleci/config.yml b/.circleci/config.yml
@@ -152,6 +152,7 @@ workflows:
                 - exclude-files
                 - frontend
                 - fullstack
+                - multiple-backend
                 - one-spec
                 - same-folder
                 - support-files
diff --git a/test-apps/multiple-backends/.babelrc b/test-apps/multiple-backends/.babelrc
@@ -0,0 +1,3 @@
+{
+  "plugins": ["istanbul"]
+}
diff --git a/test-apps/multiple-backends/README.md b/test-apps/multiple-backends/README.md
@@ -0,0 +1,3 @@
+# example: multiple backends
+
+> Getting code coverage from multiple backends
diff --git a/test-apps/multiple-backends/cypress.config.js b/test-apps/multiple-backends/cypress.config.js
@@ -0,0 +1,17 @@
+const { defineConfig } = require('cypress')
+
+module.exports = defineConfig({
+  fixturesFolder: false,
+  env: {
+    codeCoverage: {
+      url: ['http://localhost:3003/__coverage__', 'http://localhost:3004/__coverage__'],
+      expectBackendCoverageOnly: true,
+    },
+  },
+  e2e: {
+    setupNodeEvents(on, config) {
+      return require('./cypress/plugins/index.js')(on, config)
+    },
+    baseUrl: 'http://localhost:3003',
+  },
+})
diff --git a/test-apps/multiple-backends/cypress/e2e/spec.cy.js b/test-apps/multiple-backends/cypress/e2e/spec.cy.js
@@ -0,0 +1,6 @@
+/// <reference types="Cypress" />
+it('has multiple backends with code coverage', () => {
+  cy.visit('/')
+  cy.request('/hello')
+  cy.request('http://localhost:3004/world')
+})
diff --git a/test-apps/multiple-backends/cypress/plugins/index.js b/test-apps/multiple-backends/cypress/plugins/index.js
@@ -0,0 +1,4 @@
+module.exports = (on, config) => {
+  require('@cypress/code-coverage/task')(on, config)
+  return config
+}
diff --git a/test-apps/multiple-backends/cypress/support/e2e.js b/test-apps/multiple-backends/cypress/support/e2e.js
@@ -0,0 +1 @@
+import '@cypress/code-coverage/support'
diff --git a/test-apps/multiple-backends/package.json b/test-apps/multiple-backends/package.json
@@ -0,0 +1,13 @@
+{
+  "name": "example-multiple-backends",
+  "description": "Code coverage for multiple backends",
+  "private": true,
+  "scripts": {
+    "cy:run": "cypress run",
+    "start": "nyc --silent node server/server-3003 & nyc --silent node server/server-3004",
+    "pretest": "rimraf .nyc_output .cache coverage dist",
+    "test": "start-test \"3003|3004\" cy:run",
+    "coverage:verify": "npx nyc report --check-coverage true --lines 100",
+    "coverage:check-files": "check-coverage server-3003.js server-3004.js && only-covered server-3003.js server-3004.js"
+  }
+}
diff --git a/test-apps/multiple-backends/server/index.html b/test-apps/multiple-backends/server/index.html
@@ -0,0 +1,3 @@
+<body>
+  test backend
+</body>
diff --git a/test-apps/multiple-backends/server/server-3003.js b/test-apps/multiple-backends/server/server-3003.js
@@ -0,0 +1,21 @@
+const express = require('express')
+const app = express()
+const port = 3003
+
+// if there is code coverage information
+// then expose an endpoint that returns it
+/* istanbul ignore next */
+if (global.__coverage__) {
+  console.log('have code coverage, will add middleware for express')
+  console.log(`to fetch: GET :${port}/__coverage__`)
+  require('@cypress/code-coverage/middleware/express')(app)
+}
+
+app.use(express.static(__dirname))
+
+app.get('/hello', (req, res) => {
+  console.log('sending hello')
+  res.send('Hello')
+})
+
+app.listen(port, () => console.log(`Example app listening on port ${port}!`))
diff --git a/test-apps/multiple-backends/server/server-3004.js b/test-apps/multiple-backends/server/server-3004.js
@@ -0,0 +1,21 @@
+const express = require('express')
+const app = express()
+const port = 3004
+
+// if there is code coverage information
+// then expose an endpoint that returns it
+/* istanbul ignore next */
+if (global.__coverage__) {
+  console.log('have code coverage, will add middleware for express')
+  console.log(`to fetch: GET :${port}/__coverage__`)
+  require('@cypress/code-coverage/middleware/express')(app)
+}
+
+app.use(express.static(__dirname))
+
+app.get('/world', (req, res) => {
+  console.log('sending world')
+  res.send('World!')
+})
+
+app.listen(port, () => console.log(`Example app listening on port ${port}!`))

Original file line number	Diff line number	Diff line change
`@@ -0,0 +1,3 @@`
	`1`	`+{`
	`2`	`+ "plugins": ["istanbul"]`
	`3`	`+}`
Original file line number	Diff line number	Diff line change
`@@ -0,0 +1,3 @@`
	`1`	`+# example: multiple backends`
	`2`	`+`
	`3`	`+> Getting code coverage from multiple backends`
Original file line number	Diff line number	Diff line change
`@@ -0,0 +1 @@`
	`1`	`+import '@cypress/code-coverage/support'`
Original file line number	Diff line number	Diff line change
`@@ -0,0 +1,3 @@`
	`1`	`+<body>`
	`2`	`+ test backend`
	`3`	`+</body>`