API integration tests

test.sh

#! /bin/bash
set -e
# set -x

# Integration tests made easy ! 
# Locally it assumes DB and server is running, and on a CI it automagically starts them and waits till they're up
# All tests are cURL based, using files on tmp to pass state and variables - this allows for very easy manual debugging
# if a test fails, as the state remains on disk, and you can just copy/past the call  

function test() {
    printf "+ test $1\n"
}

function echo_green() {
    printf "\n\e[32m==> $1\e[0m\n"
}

function echo_red() {
    printf "\n\e[31m==> $1\e[0m\n"
}

function db_is_up() {
    pg_isready -q -h 127.0.0.1 -p ${PG_PORT_USERS} 
}

function server_is_up() {
    `which curl` -f -s http://127.0.0.1:3000/hc
}

# catch errors and print last curl call
function error_exit() {
    echo_red "TESTS FAILED! \n"
    echo $LASTCALL
    cat /tmp/lg-log
    cat /tmp/lg-payload
    exit 1
}
trap error_exit ERR

# log last call, and write both output to disk
function curl() {
    LASTCALL="curl -vvv $@"
    `which curl` -vvv "$@" 2> /tmp/lg-log > /tmp/lg-payload || error_exit
}

# if on CI, start DB, init DB, and run server
if [ -n "$CI" ]; then
    make db-start &
    for i in {1..60}; do db_is_up && break || sleep 1; done
    make run &
    for i in {1..60}; do server_is_up && break || sleep 1; done
fi

# clean temp files & reset DB
rm -rf /tmp/lg-*
make db-reset > /dev/null

# login & registering
test "show login page"
curl -f http://localhost:3000/
cat /tmp/lg-payload | grep -q "login with your email"

test "create user0, extract cookie"
curl -f -XPOST http://localhost:3000/auth/[email protected]/password
cat /tmp/lg-log | grep "Set-Cookie" | awk '{print $3}' > /tmp/lg-user0-cookie

test "get user0's id"
curl -f -b `cat /tmp/lg-user0-cookie` http://localhost:3000/user
cat /tmp/lg-payload | jq -r '.id' > /tmp/lg-user0-id

# metrics
test "check no silent error is reported by metrics on prometheus endpoint"
curl http://localhost:3001/metrics
! cat /tmp/lg-payload | grep "err"

echo_green "all tests passed!"