Add end to end test

tests/e2e.sh

@@ -0,0 +1,48 @@
+# Copyright (c) 2015-present, Facebook, Inc.
+# All rights reserved.
+#
+# This source code is licensed under the BSD-style license found in the
+# LICENSE file in the root directory of this source tree. An additional grant
+# of patent rights can be found in the PATENTS file in the same directory.
+
+# Start in tests/ even if run from root directory
+cd "$(dirname "$0")"
+
+# Exit the script on any command with non 0 return code
+# We assume that all the commands in the pipeline set their return code
+# properly and that we do not need to validate that the output is correct
+set -e
+
+# Echo every command being executed
+set -x
+
+# npm pack the two directories to make sure they are valid npm modules
+initial_path=$PWD
+cd ..
+npm install
+scripts_path=$PWD/`npm pack`
+cd global-cli
+npm install
+cli_path=$PWD/`npm pack`
+
+# Install the cli in a temporary location ( http://unix.stackexchange.com/a/84980 )
+temp_cli_path=`mktemp -d 2>/dev/null || mktemp -d -t 'temp_cli_path'`
+cd $temp_cli_path
+npm install $cli_path
+
+# Install the app in a temporary location
+temp_app_path=`mktemp -d 2>/dev/null || mktemp -d -t 'temp_app_path'`
+cd $temp_app_path
+node "$temp_cli_path"/node_modules/create-react-app/index.js --scripts-version=$scripts_path test-app
+cd test-app
+
+# Test the build
+npm run build
+
+# Eject and test the build
+echo yes | npm run eject
+npm run build
+
+# Cleanup
+cd $initial_path
+rm -rf $temp_cli_path $temp_app_path