#!/bin/bash
# Copyright 2020 Google LLC
#
# Licensed under the Apache License, Version 2.0 (the "License");
# you may not use this file except in compliance with the License.
# You may obtain a copy of the License at
#
#      http://www.apache.org/licenses/LICENSE-2.0
#
# Unless required by applicable law or agreed to in writing, software
# distributed under the License is distributed on an "AS IS" BASIS,
# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
# See the License for the specific language governing permissions and
# limitations under the License..

# Fail on any error
set -eo pipefail

# Display commands being run
set -x

export SPANNER_EMULATOR_HOST=localhost:9010
export GCLOUD_TESTS_GOLANG_PROJECT_ID=emulator-test-project
echo "Running the Cloud Spanner emulator: $SPANNER_EMULATOR_HOST";

# Download the emulator
# TODO: Find a way to use 'latest' here.
EMULATOR_VERSION=1.4.0
wget https://storage.googleapis.com/cloud-spanner-emulator/releases/${EMULATOR_VERSION}/cloud-spanner-emulator_linux_amd64-${EMULATOR_VERSION}.tar.gz
tar zxvf cloud-spanner-emulator_linux_amd64-${EMULATOR_VERSION}.tar.gz
chmod u+x emulator_main

# Start the emulator
./emulator_main --host_port $SPANNER_EMULATOR_HOST &

EMULATOR_PID=$!

# Stop the emulator & clean the environment variable
function cleanup() {
    kill -2 $EMULATOR_PID
    unset SPANNER_EMULATOR_HOST
    unset GCLOUD_TESTS_GOLANG_PROJECT_ID
    echo "Cleanup the emulator";
}
trap cleanup EXIT

go test -v -timeout 10m ./... -run '^TestIntegration_' 2>&1 | tee -a sponge_log.log