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v/cmd/tools/modules/testing/common.v

399 lines
10 KiB
V

module testing
import os
import time
import term
import benchmark
import sync
import v.pref
import v.util.vtest
pub struct TestSession {
pub mut:
files []string
skip_files []string
vexe string
vroot string
vtmp_dir string
vargs string
failed bool
benchmark benchmark.Benchmark
rm_binaries bool = true
silent_mode bool
progress_mode bool
root_relative bool // used by CI runs, so that the output is stable everywhere
nmessages chan LogMessage // many publishers, single consumer/printer
nmessage_idx int // currently printed message index
nprint_ended chan int // read to block till printing ends, 1:1
}
enum MessageKind {
ok
fail
skip
sentinel
}
struct LogMessage {
message string
kind MessageKind
}
pub fn (mut ts TestSession) append_message(kind MessageKind, msg string) {
ts.nmessages <- LogMessage{
message: msg
kind: kind
}
}
pub fn (mut ts TestSession) print_messages() {
empty := term.header(' ', ' ')
mut print_msg_time := time.new_stopwatch({})
for {
// get a message from the channel of messages to be printed:
mut rmessage := <-ts.nmessages
if rmessage.kind == .sentinel {
// a sentinel for stopping the printing thread
if !ts.silent_mode && ts.progress_mode {
eprintln('')
}
ts.nprint_ended <- 0
return
}
ts.nmessage_idx++
msg := rmessage.message.replace_each([
'TMP1',
'${ts.nmessage_idx:1d}',
'TMP2',
'${ts.nmessage_idx:2d}',
'TMP3',
'${ts.nmessage_idx:3d}',
'TMP4',
'${ts.nmessage_idx:4d}',
])
is_ok := rmessage.kind == .ok
//
time_passed := print_msg_time.elapsed().seconds()
if time_passed > 10 && ts.silent_mode && is_ok {
// Even if OK tests are suppressed,
// show *at least* 1 result every 10 seconds,
// otherwise the CI can seem stuck ...
eprintln(msg)
print_msg_time.restart()
continue
}
if ts.progress_mode {
// progress mode, the last line is rewritten many times:
if is_ok && !ts.silent_mode {
print('\r$empty\r$msg')
} else {
// the last \n is needed, so SKIP/FAIL messages
// will not get overwritten by the OK ones
eprint('\r$empty\r$msg\n')
}
continue
}
if !ts.silent_mode || !is_ok {
// normal expanded mode, or failures in -silent mode
eprintln(msg)
continue
}
}
}
pub fn new_test_session(_vargs string) TestSession {
mut skip_files := []string{}
skip_files << '_non_existing_'
$if solaris {
skip_files << 'examples/gg/gg2.v'
skip_files << 'examples/pico/pico.v'
skip_files << 'examples/sokol/fonts.v'
skip_files << 'examples/sokol/drawing.v'
}
vargs := _vargs.replace('-progress', '').replace('-progress', '')
vexe := pref.vexe_path()
new_vtmp_dir := setup_new_vtmp_folder()
return TestSession{
vexe: vexe
vroot: os.dir(vexe)
skip_files: skip_files
vargs: vargs
vtmp_dir: new_vtmp_dir
silent_mode: _vargs.contains('-silent')
progress_mode: _vargs.contains('-progress')
}
}
pub fn (mut ts TestSession) init() {
ts.files.sort()
ts.benchmark = benchmark.new_benchmark_no_cstep()
}
pub fn (mut ts TestSession) test() {
// Ensure that .tmp.c files generated from compiling _test.v files,
// are easy to delete at the end, *without* affecting the existing ones.
current_wd := os.getwd()
if current_wd == os.wd_at_startup && current_wd == ts.vroot {
ts.root_relative = true
}
//
ts.init()
mut remaining_files := []string{}
for dot_relative_file in ts.files {
relative_file := dot_relative_file.replace('./', '')
file := os.real_path(relative_file)
$if windows {
if file.contains('sqlite') || file.contains('httpbin') {
continue
}
}
$if !macos {
if file.contains('customer') {
continue
}
}
$if msvc {
if file.contains('asm') {
continue
}
}
$if tinyc {
if file.contains('asm') {
continue
}
}
remaining_files << dot_relative_file
}
remaining_files = vtest.filter_vtest_only(remaining_files, {
fix_slashes: false
})
ts.files = remaining_files
ts.benchmark.set_total_expected_steps(remaining_files.len)
mut pool_of_test_runners := sync.new_pool_processor({
callback: worker_trunner
})
// for handling messages across threads
ts.nmessages = chan LogMessage{cap: 10000}
ts.nprint_ended = chan int{cap: 0}
ts.nmessage_idx = 0
go ts.print_messages()
pool_of_test_runners.set_shared_context(ts)
pool_of_test_runners.work_on_pointers(remaining_files.pointers())
ts.benchmark.stop()
ts.append_message(.sentinel, '') // send the sentinel
_ := <-ts.nprint_ended // wait for the stop of the printing thread
eprintln(term.h_divider('-'))
// cleanup generated .tmp.c files after successfull tests:
if ts.benchmark.nfail == 0 {
if ts.rm_binaries {
os.rmdir_all(ts.vtmp_dir)
}
}
}
fn worker_trunner(mut p sync.PoolProcessor, idx int, thread_id int) voidptr {
mut ts := &TestSession(p.get_shared_context())
tmpd := ts.vtmp_dir
show_stats := '-stats' in ts.vargs.split(' ')
// tls_bench is used to format the step messages/timings
mut tls_bench := &benchmark.Benchmark(p.get_thread_context(idx))
if isnil(tls_bench) {
tls_bench = benchmark.new_benchmark_pointer()
tls_bench.set_total_expected_steps(ts.benchmark.nexpected_steps)
p.set_thread_context(idx, tls_bench)
}
tls_bench.no_cstep = true
dot_relative_file := p.get_string_item(idx)
mut relative_file := dot_relative_file.replace('./', '')
if ts.root_relative {
relative_file = relative_file.replace(ts.vroot + os.path_separator, '')
}
file := os.real_path(relative_file)
// Ensure that the generated binaries will be stored in the temporary folder.
// Remove them after a test passes/fails.
fname := os.file_name(file)
generated_binary_fname := if os.user_os() == 'windows' { fname.replace('.v', '.exe') } else { fname.replace('.v',
'') }
generated_binary_fpath := os.join_path(tmpd, generated_binary_fname)
if os.exists(generated_binary_fpath) {
if ts.rm_binaries {
os.rm(generated_binary_fpath)
}
}
mut cmd_options := [ts.vargs]
if !ts.vargs.contains('fmt') {
cmd_options << ' -o "$generated_binary_fpath"'
}
cmd := '"$ts.vexe" ' + cmd_options.join(' ') + ' "$file"'
ts.benchmark.step()
tls_bench.step()
if relative_file.replace('\\', '/') in ts.skip_files {
ts.benchmark.skip()
tls_bench.skip()
ts.append_message(.skip, tls_bench.step_message_skip(relative_file))
return sync.no_result
}
if show_stats {
ts.append_message(.ok, term.h_divider('-'))
status := os.system(cmd)
if status == 0 {
ts.benchmark.ok()
tls_bench.ok()
} else {
ts.failed = true
ts.benchmark.fail()
tls_bench.fail()
return sync.no_result
}
} else {
r := os.exec(cmd) or {
ts.failed = true
ts.benchmark.fail()
tls_bench.fail()
ts.append_message(.fail, tls_bench.step_message_fail(relative_file))
return sync.no_result
}
if r.exit_code != 0 {
ts.failed = true
ts.benchmark.fail()
tls_bench.fail()
ts.append_message(.fail, tls_bench.step_message_fail('$relative_file\n$r.output\n'))
} else {
ts.benchmark.ok()
tls_bench.ok()
ts.append_message(.ok, tls_bench.step_message_ok(relative_file))
}
}
if os.exists(generated_binary_fpath) {
if ts.rm_binaries {
os.rm(generated_binary_fpath)
}
}
return sync.no_result
}
pub fn vlib_should_be_present(parent_dir string) {
vlib_dir := os.join_path(parent_dir, 'vlib')
if !os.is_dir(vlib_dir) {
eprintln('$vlib_dir is missing, it must be next to the V executable')
exit(1)
}
}
pub fn v_build_failing(zargs string, folder string) bool {
return v_build_failing_skipped(zargs, folder, [])
}
pub fn prepare_test_session(zargs string, folder string, oskipped []string, main_label string) TestSession {
vexe := pref.vexe_path()
parent_dir := os.dir(vexe)
vlib_should_be_present(parent_dir)
vargs := zargs.replace(vexe, '')
eheader(main_label)
if vargs.len > 0 {
eprintln('v compiler args: "$vargs"')
}
mut session := new_test_session(vargs)
files := os.walk_ext(os.join_path(parent_dir, folder), '.v')
mut mains := []string{}
mut skipped := oskipped
for f in files {
if !f.contains('modules') && !f.contains('preludes') {
// $if !linux {
// run pg example only on linux
if f.contains('/pg/') {
continue
}
// }
if f.contains('life_gg') || f.contains('/graph.v') || f.contains('rune.v') {
continue
}
$if windows {
// skip pico example on windows
if f.ends_with('examples\\pico\\pico.v') {
continue
}
}
c := os.read_file(f) or {
panic(err)
}
maxc := if c.len > 300 { 300 } else { c.len }
start := c[0..maxc]
if start.contains('module ') && !start.contains('module main') {
skipped_f := f.replace(os.join_path(parent_dir, ''), '')
skipped << skipped_f
}
mains << f
}
}
session.files << mains
session.skip_files << skipped
return session
}
pub fn v_build_failing_skipped(zargs string, folder string, oskipped []string) bool {
main_label := 'Building $folder ...'
finish_label := 'building $folder'
mut session := prepare_test_session(zargs, folder, oskipped, main_label)
session.test()
eprintln(session.benchmark.total_message(finish_label))
return session.failed
}
pub fn build_v_cmd_failed(cmd string) bool {
res := os.exec(cmd) or {
return true
}
if res.exit_code != 0 {
eprintln('')
eprintln(res.output)
return true
}
return false
}
pub fn building_any_v_binaries_failed() bool {
eheader('Building V binaries...')
eprintln('VFLAGS is: "' + os.getenv('VFLAGS') + '"')
vexe := pref.vexe_path()
parent_dir := os.dir(vexe)
vlib_should_be_present(parent_dir)
os.chdir(parent_dir)
mut failed := false
v_build_commands := ['$vexe -o v_g -g cmd/v', '$vexe -o v_prod_g -prod -g cmd/v',
'$vexe -o v_cg -cg cmd/v', '$vexe -o v_prod_cg -prod -cg cmd/v', '$vexe -o v_prod -prod cmd/v']
mut bmark := benchmark.new_benchmark()
for cmd in v_build_commands {
bmark.step()
if build_v_cmd_failed(cmd) {
bmark.fail()
failed = true
eprintln(bmark.step_message_fail('command: $cmd . See details above ^^^^^^^'))
eprintln('')
continue
}
bmark.ok()
eprintln(bmark.step_message_ok('command: $cmd'))
}
bmark.stop()
eprintln(term.h_divider('-'))
eprintln(bmark.total_message('building v binaries'))
return failed
}
pub fn eheader(msg string) {
eprintln(term.header(msg, '-'))
}
pub fn header(msg string) {
println(term.header(msg, '-'))
}
pub fn setup_new_vtmp_folder() string {
now := time.sys_mono_now()
new_vtmp_dir := os.join_path(os.temp_dir(), 'v', 'test_session_$now')
os.mkdir_all(new_vtmp_dir)
os.setenv('VTMP', new_vtmp_dir, true)
return new_vtmp_dir
}