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v/vlib/vweb/tests/middleware_test.v

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import os
import time
import json
import net
import net.http
import io
const (
sport = 12381
localserver = '127.0.0.1:${sport}'
exit_after_time = 12000 // milliseconds
vexe = os.getenv('VEXE')
vweb_logfile = os.getenv('VWEB_LOGFILE')
vroot = os.dir(vexe)
serverexe = os.join_path(os.cache_dir(), 'middleware_test_server.exe')
tcp_r_timeout = 30 * time.second
tcp_w_timeout = 30 * time.second
)
// setup of vweb webserver
fn testsuite_begin() {
os.chdir(vroot) or {}
if os.exists(serverexe) {
os.rm(serverexe) or {}
}
}
fn test_middleware_vweb_app_can_be_compiled() {
// did_server_compile := os.system('${os.quoted_path(vexe)} -g -o ${os.quoted_path(serverexe)} vlib/vweb/tests/middleware_test_server.vv')
// TODO: find out why it does not compile with -usecache and -g
did_server_compile := os.system('${os.quoted_path(vexe)} -o ${os.quoted_path(serverexe)} vlib/vweb/tests/middleware_test_server.v')
assert did_server_compile == 0
assert os.exists(serverexe)
}
fn test_middleware_vweb_app_runs_in_the_background() {
mut suffix := ''
$if !windows {
suffix = ' > /dev/null &'
}
if vweb_logfile != '' {
suffix = ' 2>> ${os.quoted_path(vweb_logfile)} >> ${os.quoted_path(vweb_logfile)} &'
}
server_exec_cmd := '${os.quoted_path(serverexe)} ${sport} ${exit_after_time} ${suffix}'
$if debug_net_socket_client ? {
eprintln('running:\n${server_exec_cmd}')
}
$if windows {
spawn os.system(server_exec_cmd)
} $else {
res := os.system(server_exec_cmd)
assert res == 0
}
$if macos {
time.sleep(1000 * time.millisecond)
} $else {
time.sleep(100 * time.millisecond)
}
}
// normal routes:
fn test_app_middleware() {
x := http.get('http://${localserver}/') or { panic(err) }
assert x.body == '0app_middlewareindex'
}
fn test_single_middleware() {
received := simple_tcp_client(path: '/single') or {
assert err.msg() == ''
return
}
assert received.starts_with('m1HTTP/')
assert received.ends_with('0single')
}
fn test_multiple_middleware() {
received := simple_tcp_client(path: '/multiple') or {
assert err.msg() == ''
return
}
assert received.starts_with('m1m2HTTP/')
assert received.ends_with('0multiple')
}
fn test_combined_middleware() {
received := simple_tcp_client(path: '/combined') or {
assert err.msg() == ''
return
}
assert received.starts_with('m1m2HTTP/')
assert received.ends_with('0app_middlewarecombined')
}
fn test_nested_middleware() {
received := simple_tcp_client(path: '/admin/nested') or {
assert err.msg() == ''
return
}
assert received.starts_with('m1HTTP/')
assert received.ends_with('0nested')
}
// above routes + post
struct Post {
msg string
}
fn test_app_post_middleware() {
test_object := Post{
msg: 'HI'
}
json_test := json.encode(test_object)
mut x := http.post_json('http://${localserver}/index_post', json_test) or { panic(err) }
assert x.body == '0app_middlewareindex_post:${json_test}'
}
fn test_single_post_middleware() {
test_object := Post{
msg: 'HI'
}
json_test := json.encode(test_object)
received := simple_tcp_client_post_json(
path: '/single_post'
headers: 'Content-Length: ${json_test.len}\r\n'
content: json_test
) or {
assert err.msg() == ''
return
}
assert received.starts_with('m1')
assert received.ends_with('0single_post:${json_test}')
}
fn test_multiple_post_middleware() {
test_object := Post{
msg: 'HI'
}
json_test := json.encode(test_object)
received := simple_tcp_client_post_json(
path: '/multiple_post'
headers: 'Content-Length: ${json_test.len}\r\n'
content: json_test
) or {
assert err.msg() == ''
return
}
assert received.starts_with('m1m2')
assert received.ends_with('0multiple_post:${json_test}')
}
fn test_combined_post_middleware() {
test_object := Post{
msg: 'HI'
}
json_test := json.encode(test_object)
received := simple_tcp_client_post_json(
path: '/combined_post'
headers: 'Content-Length: ${json_test.len}\r\n'
content: json_test
) or {
assert err.msg() == ''
return
}
assert received.starts_with('m1m2')
assert received.ends_with('0app_middlewarecombined_post:${json_test}')
}
fn test_nested_post_middleware() {
test_object := Post{
msg: 'HI'
}
json_test := json.encode(test_object)
received := simple_tcp_client_post_json(
path: '/admin/nested_post'
headers: 'Content-Length: ${json_test.len}\r\n'
content: json_test
) or {
assert err.msg() == ''
return
}
assert received.starts_with('m1')
assert received.ends_with('0nested_post:${json_test}')
}
// dynamic routes:
fn test_dynamic_middleware() {
dynamic_path := 'test'
received := simple_tcp_client(path: '/admin/${dynamic_path}') or {
assert err.msg() == ''
return
}
assert received.starts_with('m1HTTP/')
assert received.ends_with('0admin_dynamic:${dynamic_path}')
}
fn test_combined_dynamic_middleware() {
dynamic_path := 'test'
received := simple_tcp_client(path: '/other/${dynamic_path}') or {
assert err.msg() == ''
return
}
assert received.starts_with('m1m2HTTP/')
assert received.ends_with('0app_middlewarecombined_dynamic:${dynamic_path}')
}
// redirect routes:
fn test_app_redirect_middleware() {
x := http.get('http://${localserver}/app_redirect') or { panic(err) }
x_home := http.get('http://${localserver}/') or { panic(err) }
assert x.body == x_home.body
received := simple_tcp_client(path: '/app_redirect') or {
assert err.msg() == ''
return
}
assert received.starts_with('HTTP/1.1 302 Found')
assert received.ends_with('302 Found')
}
fn test_redirect_middleware() {
received := simple_tcp_client(path: '/redirect') or {
assert err.msg() == ''
return
}
println(received)
assert received.starts_with('m_redirect')
assert received.contains('HTTP/1.1 302 Found')
assert received.ends_with('302 Found')
}
fn testsuite_end() {
// This test is guaranteed to be called last.
// It sends a request to the server to shutdown.
x := http.fetch(
url: 'http://${localserver}/shutdown'
method: .get
cookies: {
'skey': 'superman'
}
) or {
assert err.msg() == ''
return
}
assert x.status() == .ok
assert x.body == 'good bye'
}
// utility code:
struct SimpleTcpClientConfig {
retries int = 20
host string = 'static.dev'
path string = '/'
agent string = 'v/net.tcp.v'
headers string = '\r\n'
content string
}
fn simple_tcp_client(config SimpleTcpClientConfig) !string {
mut client := &net.TcpConn(unsafe { nil })
mut tries := 0
for tries < config.retries {
tries++
eprintln('> client retries: ${tries}')
client = net.dial_tcp(localserver) or {
if tries > config.retries {
return err
}
time.sleep(100 * time.millisecond)
continue
}
break
}
if client == unsafe { nil } {
eprintln('coult not create a tcp client connection to ${localserver} after ${config.retries} retries')
exit(1)
}
client.set_read_timeout(tcp_r_timeout)
client.set_write_timeout(tcp_w_timeout)
defer {
client.close() or {}
}
message := 'GET ${config.path} HTTP/1.1
Host: ${config.host}
User-Agent: ${config.agent}
Accept: */*
${config.headers}
${config.content}'
$if debug_net_socket_client ? {
eprintln('sending:\n${message}')
}
client.write(message.bytes())!
read := io.read_all(reader: client)!
$if debug_net_socket_client ? {
eprintln('received:\n${read}')
}
return read.bytestr()
}
fn simple_tcp_client_post_json(config SimpleTcpClientConfig) !string {
mut client := &net.TcpConn(unsafe { nil })
mut tries := 0
for tries < config.retries {
tries++
eprintln('> client retries: ${tries}')
client = net.dial_tcp(localserver) or {
if tries > config.retries {
return err
}
time.sleep(100 * time.millisecond)
continue
}
break
}
if client == unsafe { nil } {
eprintln('coult not create a tcp client connection to ${localserver} after ${config.retries} retries')
exit(1)
}
client.set_read_timeout(tcp_r_timeout)
client.set_write_timeout(tcp_w_timeout)
defer {
client.close() or {}
}
message := 'POST ${config.path} HTTP/1.1
Host: ${config.host}
User-Agent: ${config.agent}
Accept: */*
Content-Type: application/json
${config.headers}
${config.content}'
$if debug_net_socket_client ? {
eprintln('sending:\n${message}')
}
client.write(message.bytes())!
read := io.read_all(reader: client)!
$if debug_net_socket_client ? {
eprintln('received:\n${read}')
}
return read.bytestr()
}