added e2e test for checking typescript template with unsupported node

azure-pipelines.yml

@@ -1,79 +1,92 @@
-#
-# Azure Pipelines configuration for building and testing create-react-app on Linux, Windows, and macOS.
-#
-
-trigger:
-  - master
-
-variables:
-  CI: true
-  # Overrides the Yarn and NPM cache directories so they are on the same drive as the source. This helps improve build performance on Windows hosted agents.
-  YARN_CACHE_FOLDER: $(Build.SourcesDirectory)/../yarn-cache
-  NPM_CONFIG_CACHE: $(Build.SourcesDirectory)/../npm-cache
-  # Sets TEMP to be on the same drive as the cloned source on Windows. This avoids test scripts that "cd" into a directory under TEMP from failing because this directory is on a different drive from the current directory.
-  VSTS_OVERWRITE_TEMP: True
-  # Override Verdaccio package to use. This is temporary and is needed to avoid socket timeouts on hosted Windows agent (on Azure). This also changes Verdaccio to return a 503 (service unavailable) instead of a 404 (not found) when the connection to the uplink timesout.
-  VERDACCIO_PACKAGE: https://github.com/willsmythe/verdaccio/releases/download/create-react-app/verdaccio-4.0.0-alpha.8.tgz
-  CRA_INTERNAL_TEST: true
-
-# ******************************************************************************
-# Simple test suite
-# ******************************************************************************
-jobs:
-  - template: azure-pipelines-test-job.yml
-    parameters:
-      name: Simple
-      testScript: tasks/e2e-simple.sh
-
-  # ******************************************************************************
-  # Installs test suite
-  # ******************************************************************************
-  - template: azure-pipelines-test-job.yml
-    parameters:
-      name: Installs
-      testScript: tasks/e2e-installs.sh
-
-  # ******************************************************************************
-  # Kitchensink test suite
-  # ******************************************************************************
-  - template: azure-pipelines-test-job.yml
-    parameters:
-      name: Kitchensink
-      testScript: tasks/e2e-kitchensink.sh
-
-  # ******************************************************************************
-  # Kitchensink Eject test suite
-  # ******************************************************************************
-  - template: azure-pipelines-test-job.yml
-    parameters:
-      name: KitchensinkEject
-      testScript: tasks/e2e-kitchensink-eject.sh
-
-  # ******************************************************************************
-  # Behavior test suite
-  # ******************************************************************************
-  - template: azure-pipelines-test-job.yml
-    parameters:
-      name: Behavior
-      testScript: tasks/e2e-behavior.sh
-      configurations:
-        LinuxNode8: { vmImage: 'ubuntu-16.04', nodeVersion: 8.x }
-        LinuxNode10: { vmImage: 'ubuntu-16.04', nodeVersion: 10.x }
-        # WindowsNode8:  { vmImage: 'vs2017-win2016', nodeVersion: 8.x  }
-        # WindowsNode10: { vmImage: 'vs2017-win2016', nodeVersion: 10.x }
-        MacNode8: { vmImage: 'macOS-10.13', nodeVersion: 8.x }
-        MacNode10: { vmImage: 'macOS-10.13', nodeVersion: 10.x }
-
-  # ******************************************************************************
-  # Old Node test suite
-  # ******************************************************************************
-  - job: OldNode
-    pool:
-      vmImage: ubuntu-16.04
-    steps:
-      - task: NodeTool@0
-        inputs:
-          versionSpec: 6.x
-        displayName: 'Install Node.js 6.x'
-      - bash: tasks/e2e-old-node.sh
-        displayName: 'Run tests'
+#
+# Azure Pipelines configuration for building and testing create-react-app on Linux, Windows, and macOS.
+#
+
+trigger:
+  - master
+
+variables:
+  CI: true
+  # Overrides the Yarn and NPM cache directories so they are on the same drive as the source. This helps improve build performance on Windows hosted agents.
+  YARN_CACHE_FOLDER: $(Build.SourcesDirectory)/../yarn-cache
+  NPM_CONFIG_CACHE: $(Build.SourcesDirectory)/../npm-cache
+  # Sets TEMP to be on the same drive as the cloned source on Windows. This avoids test scripts that "cd" into a directory under TEMP from failing because this directory is on a different drive from the current directory.
+  VSTS_OVERWRITE_TEMP: True
+  # Override Verdaccio package to use. This is temporary and is needed to avoid socket timeouts on hosted Windows agent (on Azure). This also changes Verdaccio to return a 503 (service unavailable) instead of a 404 (not found) when the connection to the uplink timesout.
+  VERDACCIO_PACKAGE: https://github.com/willsmythe/verdaccio/releases/download/create-react-app/verdaccio-4.0.0-alpha.8.tgz
+  CRA_INTERNAL_TEST: true
+
+# ******************************************************************************
+# Simple test suite
+# ******************************************************************************
+jobs:
+  - template: azure-pipelines-test-job.yml
+    parameters:
+      name: Simple
+      testScript: tasks/e2e-simple.sh
+
+  # ******************************************************************************
+  # Installs test suite
+  # ******************************************************************************
+  - template: azure-pipelines-test-job.yml
+    parameters:
+      name: Installs
+      testScript: tasks/e2e-installs.sh
+
+  # ******************************************************************************
+  # Kitchensink test suite
+  # ******************************************************************************
+  - template: azure-pipelines-test-job.yml
+    parameters:
+      name: Kitchensink
+      testScript: tasks/e2e-kitchensink.sh
+
+  # ******************************************************************************
+  # Kitchensink Eject test suite
+  # ******************************************************************************
+  - template: azure-pipelines-test-job.yml
+    parameters:
+      name: KitchensinkEject
+      testScript: tasks/e2e-kitchensink-eject.sh
+
+  # ******************************************************************************
+  # Behavior test suite
+  # ******************************************************************************
+  - template: azure-pipelines-test-job.yml
+    parameters:
+      name: Behavior
+      testScript: tasks/e2e-behavior.sh
+      configurations:
+        LinuxNode8: { vmImage: 'ubuntu-16.04', nodeVersion: 8.x }
+        LinuxNode10: { vmImage: 'ubuntu-16.04', nodeVersion: 10.x }
+        # WindowsNode8:  { vmImage: 'vs2017-win2016', nodeVersion: 8.x  }
+        # WindowsNode10: { vmImage: 'vs2017-win2016', nodeVersion: 10.x }
+        MacNode8: { vmImage: 'macOS-10.13', nodeVersion: 8.x }
+        MacNode10: { vmImage: 'macOS-10.13', nodeVersion: 10.x }
+
+  # ******************************************************************************
+  # Old Node test suite
+  # ******************************************************************************
+  - job: OldNode
+    pool:
+      vmImage: ubuntu-16.04
+    steps:
+      - task: NodeTool@0
+        inputs:
+          versionSpec: 6.x
+        displayName: 'Install Node.js 6.x'
+      - bash: tasks/e2e-old-node.sh
+        displayName: 'Run tests'
+  # ******************************************************************************
+  # Unsupported Node with TypeScript flag
+  # ******************************************************************************
+  - job: UnsupportedNodeWithTypeScript
+    pool:
+      vmImage: ubuntu-16.04
+    steps:
+      - task: NodeTool@0
+        inputs:
+          versionSpec: 8.9.x
+        displayName: 'Install Node.js 8.9.x'
+      - bash: tasks/e2e-typescript-unsupported-node.sh
+        displayName: 'Run unsupported TypeScript test'

packages/create-react-app/createReactApp.js

@@ -217,7 +217,7 @@ function createApp(
 ) {
   const unsupportedNodeVersion = !semver.satisfies(process.version, '>=8.10.0');
   if (unsupportedNodeVersion && useTypeScript) {
-    console.log(
+    console.error(
       chalk.red(
         `You are using Node ${process.version} with the TypeScript template. Node 8.10 or higher is required to use TypeScript.\n`
       )

tasks/e2e-typescript-unsupported-node.sh

@@ -0,0 +1,61 @@
+#!/bin/bash
+# Copyright (c) 2015-present, Facebook, Inc.
+#
+# This source code is licensed under the MIT license found in the
+# LICENSE file in the root directory of this source tree.
+
+# ******************************************************************************
+# This is an end-to-end test intended to run on CI.
+# You can also run it locally but it's slow.
+# ******************************************************************************
+
+# Start in tasks/ even if run from root directory
+cd "$(dirname "$0")"
+
+temp_app_path=`mktemp -d 2>/dev/null || mktemp -d -t 'temp_app_path'`
+
+function cleanup {
+  echo 'Cleaning up.'
+  cd "$root_path"
+  rm -rf $temp_app_path
+}
+
+# Error messages are redirected to stderr
+function handle_error {
+  echo "$(basename $0): ERROR! An error was encountered executing line $1." 1>&2;
+  cleanup
+  echo 'Exiting with error.' 1>&2;
+  exit 1
+}
+
+function handle_exit {
+  cleanup
+  echo 'Exiting without error.' 1>&2;
+  exit
+}
+
+# Exit the script with a helpful error message when any error is encountered
+trap 'set +x; handle_error $LINENO $BASH_COMMAND' ERR
+
+# Cleanup before exit on any termination signal
+trap 'set +x; handle_exit' SIGQUIT SIGTERM SIGINT SIGKILL SIGHUP
+
+# Echo every command being executed
+set -x
+
+# Go to root
+cd ..
+root_path=$PWD
+
+# We need to install create-react-app deps to test it
+cd "$root_path"/packages/create-react-app
+npm install
+cd "$root_path"
+
+# If the node version is < 8.10 but greater then 8.0, the script with the typescript flag should just give an error.
+cd $temp_app_path
+err_output=`node "$root_path"/packages/create-react-app/index.js test-node-version --typescript 2>&1 > /dev/null || echo ''`
+[[ $err_output =~ You\ are\ using\ Node ]] && exit 0 || exit 1
+
+# Cleanup
+cleanup