[test optimization] Deprecate dd-trace support for cypress <10.2.0

Author: juan-fernandez

integration-tests/cypress/cypress.spec.js

@@ -113,6 +113,42 @@ moduleTypes.forEach(({
       await receiver.stop()
     })
 
+    if (version === '6.7.0') {
+      // to be removed when we drop support for [email protected]
+      it('logs a warning if using a deprecated version of cypress', (done) => {
+        let stdout = ''
+        const {
+          NODE_OPTIONS,
+          ...restEnvVars
+        } = getCiVisEvpProxyConfig(receiver.port)
+
+        childProcess = exec(
+          `${testCommand} --spec cypress/e2e/spec.cy.js`,
+          {
+            cwd,
+            env: {
+              ...restEnvVars,
+              CYPRESS_BASE_URL: `http://localhost:${webAppPort}`
+            },
+            stdio: 'pipe'
+          }
+        )
+
+        childProcess.stdout.on('data', (chunk) => {
+          stdout += chunk.toString()
+        })
+
+        childProcess.on('exit', () => {
+          assert.include(
+            stdout,
+            'WARNING: dd-trace support for Cypress<10.2.0 is deprecated' +
+            ' and will not be supported in future versions of dd-trace.'
+          )
+          done()
+        })
+      })
+    }
+
     it('does not crash if badly init', (done) => {
       const {
         NODE_OPTIONS, // NODE_OPTIONS dd-trace config does not work with cypress

packages/datadog-plugin-cypress/src/plugin.js

@@ -1,5 +1,6 @@
 const NoopTracer = require('../../dd-trace/src/noop/tracer')
 const cypressPlugin = require('./cypress-plugin')
+const satisfies = require('semifies')
 
 const noopTask = {
   'dd:testSuiteStart': () => {
@@ -19,6 +20,15 @@ const noopTask = {
 module.exports = (on, config) => {
   const tracer = require('../../dd-trace')
 
+  if (satisfies(config.version, '<10.2.0')) {
+    // console.warn does not seem to work in cypress, so using console.log instead
+    // eslint-disable-next-line no-console
+    console.log(
+      'WARNING: dd-trace support for Cypress<10.2.0 is deprecated' +
+      ' and will not be supported in future versions of dd-trace.'
+    )
+  }
+
   // The tracer was not init correctly for whatever reason (such as invalid DD_SITE)
   if (tracer._tracer instanceof NoopTracer) {
     // We still need to register these tasks or the support file will fail