Add end-to-end test

scripts/e2e-test.sh

@@ -0,0 +1,47 @@
+#!/bin/bash
+
+# Abort the mission if any command fails
+set -e
+
+SCRIPTS=$(cd "$(dirname "${BASH_SOURCE[0]}")" && pwd)
+ROOT=$(dirname $SCRIPTS)
+TEMP=$(mktemp -d /tmp/react-native-XXXXXXXX)
+
+# To make sure we actually installed the local version
+# of react-native, we will create a temp file inside SampleApp
+# and check that it exists after `react-native init`
+MARKER=$(mktemp $ROOT/Examples/SampleApp/XXXXXXXX)
+
+function cleanup {
+  kill -9 $SINOPIA_PID
+  mv ~/.npmrc.bak ~/.npmrc
+  rm $MARKER
+}
+trap cleanup EXIT
+
+cd $TEMP
+
+# sinopia is npm registry proxy, it is used to make npm
+# think react-native and react-native-cli are actually
+# published on npm
+which sinopia || npm install -g sinopia
+
+# but in order to make npm use sinopia we temporarily
+# replace its config file
+[ -f ~/.npmrc ] && cp ~/.npmrc ~/.npmrc.bak
+cp $SCRIPTS/e2e-npmrc ~/.npmrc
+
+[ -d $SCRIPTS/.published-packages ] && rm -r $SCRIPTS/.published-packages
+sinopia --config $SCRIPTS/e2e-sinopia.config.yml &
+SINOPIA_PID=$!
+
+npm publish $ROOT
+npm publish $ROOT/react-native-cli
+
+npm install -g react-native-cli
+react-native init EndToEndTest
+cd EndToEndTest
+
+# Make sure we installed local version of react-native
+ls `basename $MARKER` > /dev/null
+xctool -scheme EndToEndTest -sdk iphonesimulator8.2 test