module testing import os import time import term import benchmark import sync.pool import v.pref import v.util.vtest import runtime pub const github_job = os.getenv('GITHUB_JOB') pub const show_start = os.getenv('VTEST_SHOW_START') == '1' pub const hide_skips = os.getenv('VTEST_HIDE_SKIP') == '1' pub const hide_oks = os.getenv('VTEST_HIDE_OK') == '1' pub const fail_fast = os.getenv('VTEST_FAIL_FAST') == '1' pub const fail_flaky = os.getenv('VTEST_FAIL_FLAKY') == '1' pub const test_only = os.getenv('VTEST_ONLY').split_any(',') pub const test_only_fn = os.getenv('VTEST_ONLY_FN').split_any(',') pub const is_node_present = os.execute('node --version').exit_code == 0 pub const all_processes = os.execute('ps ax').output.split_any('\r\n') pub struct TestSession { pub mut: files []string skip_files []string vexe string vroot string vtmp_dir string vargs string fail_fast 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 failed_cmds shared []string } enum MessageKind { ok fail skip info sentinel } struct LogMessage { message string kind MessageKind } pub fn (mut ts TestSession) add_failed_cmd(cmd string) { lock ts.failed_cmds { ts.failed_cmds << cmd } } pub fn (mut ts TestSession) show_list_of_failed_tests() { for i, cmd in ts.failed_cmds { eprintln(term.failed('Failed command ${i + 1}:') + ' $cmd') } } pub fn (mut ts TestSession) append_message(kind MessageKind, msg string) { ts.nmessages <- LogMessage{ message: msg kind: kind } } pub fn (mut ts TestSession) print_messages() { empty := term.header(' ', ' ') mut print_msg_time := time.new_stopwatch() for { // get a message from the channel of messages to be printed: mut rmessage := <-ts.nmessages if rmessage.kind == .sentinel { // a sentinel for stopping the printing thread if !ts.silent_mode && ts.progress_mode { eprintln('') } ts.nprint_ended <- 0 return } if rmessage.kind != .info { ts.nmessage_idx++ } msg := rmessage.message.replace_each([ 'TMP1', '${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$msg') flush_stdout() } else { // the last \n is needed, so SKIP/FAIL messages // will not get overwritten by the OK ones eprint('\r$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, will_compile bool) TestSession { mut skip_files := []string{} if will_compile { $if msvc { skip_files << 'vlib/v/tests/const_comptime_eval_before_vinit_test.v' // _constructor used } $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' } $if macos { skip_files << 'examples/database/mysql.v' skip_files << 'examples/database/orm.v' skip_files << 'examples/database/psql/customer.v' } $if windows { skip_files << 'examples/database/mysql.v' skip_files << 'examples/database/orm.v' skip_files << 'examples/smtp/mail.v' // requires OpenSSL skip_files << 'examples/websocket/ping.v' // requires OpenSSL skip_files << 'examples/websocket/client-server/client.v' // requires OpenSSL skip_files << 'examples/websocket/client-server/server.v' // requires OpenSSL $if tinyc { skip_files << 'examples/database/orm.v' // try fix it } } $if windows { // TODO: remove when closures on windows are supported skip_files << 'examples/pendulum-simulation/animation.v' skip_files << 'examples/pendulum-simulation/full.v' skip_files << 'examples/pendulum-simulation/parallel.v' skip_files << 'examples/pendulum-simulation/parallel_with_iw.v' skip_files << 'examples/pendulum-simulation/sequential.v' } if testing.github_job != 'sokol-shaders-can-be-compiled' { // These examples need .h files that are produced from the supplied .glsl files, // using by the shader compiler tools in https://github.com/floooh/sokol-tools-bin/archive/pre-feb2021-api-changes.tar.gz skip_files << 'examples/sokol/simple_shader_glsl/simple_shader.v' skip_files << 'examples/sokol/02_cubes_glsl/cube_glsl.v' skip_files << 'examples/sokol/03_march_tracing_glsl/rt_glsl.v' skip_files << 'examples/sokol/04_multi_shader_glsl/rt_glsl.v' skip_files << 'examples/sokol/05_instancing_glsl/rt_glsl.v' // Skip obj_viewer code in the CI skip_files << 'examples/sokol/06_obj_viewer/show_obj.v' } if testing.github_job != 'ubuntu-tcc' { skip_files << 'examples/c_interop_wkhtmltopdf.v' // needs installation of wkhtmltopdf from https://github.com/wkhtmltopdf/packaging/releases skip_files << 'examples/call_v_from_python/test.v' // the example only makes sense to be compiled, when python is installed // the ttf_test.v is not interactive, but needs X11 headers to be installed, which is done only on ubuntu-tcc for now skip_files << 'vlib/x/ttf/ttf_test.v' skip_files << 'vlib/vweb/vweb_app_test.v' // imports the `sqlite` module, which in turn includes sqlite3.h } if testing.github_job != 'audio-examples' { skip_files << 'examples/sokol/sounds/melody.v' skip_files << 'examples/sokol/sounds/wav_player.v' skip_files << 'examples/sokol/sounds/simple_sin_tones.v' } } vargs := _vargs.replace('-progress', '').replace('-progress', '') vexe := pref.vexe_path() vroot := os.dir(vexe) new_vtmp_dir := setup_new_vtmp_folder() if term.can_show_color_on_stderr() { os.setenv('VCOLORS', 'always', true) } return TestSession{ vexe: vexe vroot: vroot skip_files: skip_files fail_fast: testing.fail_fast 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) add(file string) { ts.files << file } 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 { file := os.real_path(dot_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 } } 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 njobs := runtime.nr_jobs() if remaining_files.len < njobs { njobs = remaining_files.len } ts.benchmark.njobs = njobs mut pool_of_test_runners := pool.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(unsafe { 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 successful tests: if ts.benchmark.nfail == 0 { if ts.rm_binaries { os.rmdir_all(ts.vtmp_dir) or {} } } ts.show_list_of_failed_tests() } fn worker_trunner(mut p pool.PoolProcessor, idx int, thread_id int) voidptr { mut ts := &TestSession(p.get_shared_context()) if ts.fail_fast { if ts.failed_cmds.len > 0 { return pool.no_result } } 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 tls_bench.njobs = ts.benchmark.njobs mut relative_file := os.real_path(p.get_item(idx)) mut cmd_options := [ts.vargs] mut run_js := false is_fmt := ts.vargs.contains('fmt') is_vet := ts.vargs.contains('vet') produces_file_output := !(is_fmt || is_vet) if relative_file.ends_with('js.v') { if produces_file_output { cmd_options << ' -b js' run_js = true } } if relative_file.contains('global') && !is_fmt { cmd_options << ' -enable-globals' } if ts.root_relative { relative_file = relative_file.replace(ts.vroot + os.path_separator, '') } file := os.real_path(relative_file) normalised_relative_file := relative_file.replace('\\', '/') // 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' && !run_js { fname.replace('.v', '.exe') } else if !run_js { fname.replace('.v', '') } else { fname.replace('.v', '') } generated_binary_fpath := os.join_path_single(tmpd, generated_binary_fname) if produces_file_output { if os.exists(generated_binary_fpath) { if ts.rm_binaries { os.rm(generated_binary_fpath) or {} } } cmd_options << ' -o ${os.quoted_path(generated_binary_fpath)}' } cmd := '${os.quoted_path(ts.vexe)} ' + cmd_options.join(' ') + ' ${os.quoted_path(file)}' ts.benchmark.step() tls_bench.step() if relative_file.replace('\\', '/') in ts.skip_files { ts.benchmark.skip() tls_bench.skip() if !testing.hide_skips { ts.append_message(.skip, tls_bench.step_message_skip(normalised_relative_file)) } return pool.no_result } if show_stats { ts.append_message(.ok, term.h_divider('-')) mut status := os.system(cmd) if status != 0 { details := get_test_details(file) os.setenv('VTEST_RETRY_MAX', '$details.retry', true) for retry := 1; retry <= details.retry; retry++ { ts.append_message(.info, ' [stats] retrying $retry/$details.retry of $relative_file ; known flaky: $details.flaky ...') os.setenv('VTEST_RETRY', '$retry', true) status = os.system(cmd) if status == 0 { unsafe { goto test_passed_system } } time.sleep(500 * time.millisecond) } if details.flaky && !testing.fail_flaky { ts.append_message(.info, ' *FAILURE* of the known flaky test file $relative_file is ignored, since VTEST_FAIL_FLAKY is 0 . Retry count: $details.retry .') unsafe { goto test_passed_system } } ts.benchmark.fail() tls_bench.fail() ts.add_failed_cmd(cmd) return pool.no_result } else { test_passed_system: ts.benchmark.ok() tls_bench.ok() } } else { if testing.show_start { ts.append_message(.info, ' starting $relative_file ...') } mut r := os.execute(cmd) if r.exit_code < 0 { ts.benchmark.fail() tls_bench.fail() ts.append_message(.fail, tls_bench.step_message_fail(normalised_relative_file)) ts.add_failed_cmd(cmd) return pool.no_result } if r.exit_code != 0 { details := get_test_details(file) os.setenv('VTEST_RETRY_MAX', '$details.retry', true) for retry := 1; retry <= details.retry; retry++ { ts.append_message(.info, ' retrying $retry/$details.retry of $relative_file ; known flaky: $details.flaky ...') os.setenv('VTEST_RETRY', '$retry', true) r = os.execute(cmd) if r.exit_code == 0 { unsafe { goto test_passed_execute } } } if details.flaky && !testing.fail_flaky { ts.append_message(.info, ' *FAILURE* of the known flaky test file $relative_file is ignored, since VTEST_FAIL_FLAKY is 0 . Retry count: $details.retry .') unsafe { goto test_passed_execute } } ts.benchmark.fail() tls_bench.fail() ending_newline := if r.output.ends_with('\n') { '\n' } else { '' } ts.append_message(.fail, tls_bench.step_message_fail('$normalised_relative_file\n$r.output.trim_space()$ending_newline')) ts.add_failed_cmd(cmd) } else { test_passed_execute: ts.benchmark.ok() tls_bench.ok() if !testing.hide_oks { ts.append_message(.ok, tls_bench.step_message_ok(normalised_relative_file)) } } } if produces_file_output && os.exists(generated_binary_fpath) && ts.rm_binaries { os.rm(generated_binary_fpath) or {} } return pool.no_result } pub fn vlib_should_be_present(parent_dir string) { vlib_dir := os.join_path_single(parent_dir, 'vlib') if !os.is_dir(vlib_dir) { eprintln('$vlib_dir is missing, it must be next to the V executable') exit(1) } } pub fn prepare_test_session(zargs string, folder string, oskipped []string, main_label string) TestSession { vexe := pref.vexe_path() parent_dir := os.dir(vexe) vlib_should_be_present(parent_dir) vargs := zargs.replace(vexe, '') eheader(main_label) if vargs.len > 0 { eprintln('v compiler args: "$vargs"') } mut session := new_test_session(vargs, true) files := os.walk_ext(os.join_path_single(parent_dir, folder), '.v') mut mains := []string{} mut skipped := oskipped.clone() next_file: for f in files { fnormalised := f.replace('\\', '/') // Note: a `testdata` folder, is the preferred name of a folder, containing V code, // that you *do not want* the test framework to find incidentally for various reasons, // for example module import tests, or subtests, that are compiled/run by other parent tests // in specific configurations, etc. if fnormalised.contains('testdata/') || fnormalised.contains('modules/') || fnormalised.contains('preludes/') { continue } $if windows { // skip pico and process/command examples on windows if fnormalised.ends_with('examples/pico/pico.v') || fnormalised.ends_with('examples/process/command.v') { continue } } c := os.read_file(f) or { panic(err) } maxc := if c.len > 500 { 500 } else { c.len } start := c[0..maxc] if start.contains('module ') && !start.contains('module main') { skipped_f := f.replace(os.join_path_single(parent_dir, ''), '') skipped << skipped_f } for skip_prefix in oskipped { skip_folder := skip_prefix + '/' if fnormalised.starts_with(skip_folder) { continue next_file } } mains << f } session.files << mains session.skip_files << skipped return session } pub type FnTestSetupCb = fn (mut session TestSession) pub fn v_build_failing_skipped(zargs string, folder string, oskipped []string, cb FnTestSetupCb) bool { main_label := 'Building $folder ...' finish_label := 'building $folder' mut session := prepare_test_session(zargs, folder, oskipped, main_label) cb(mut session) session.test() eprintln(session.benchmark.total_message(finish_label)) return session.failed_cmds.len > 0 } pub fn build_v_cmd_failed(cmd string) bool { res := os.execute(cmd) if res.exit_code < 0 { return true } if res.exit_code != 0 { eprintln('') eprintln(res.output) return true } return false } pub fn building_any_v_binaries_failed() bool { eheader('Building V binaries...') eprintln('VFLAGS is: "' + os.getenv('VFLAGS') + '"') vexe := pref.vexe_path() parent_dir := os.dir(vexe) vlib_should_be_present(parent_dir) os.chdir(parent_dir) or { panic(err) } mut failed := false v_build_commands := ['$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() if !testing.hide_oks { eprintln(bmark.step_message_ok('command: $cmd')) } } bmark.stop() eprintln(term.h_divider('-')) eprintln(bmark.total_message('building v binaries')) return failed } pub fn eheader(msg string) { eprintln(term.header_left(msg, '-')) } pub fn header(msg string) { println(term.header_left(msg, '-')) } pub fn setup_new_vtmp_folder() string { now := time.sys_mono_now() new_vtmp_dir := os.join_path(os.temp_dir(), 'v', 'test_session_$now') os.mkdir_all(new_vtmp_dir) or { panic(err) } os.setenv('VTMP', new_vtmp_dir, true) return new_vtmp_dir } pub struct TestDetails { pub mut: retry int flaky bool // when flaky tests fail, the whole run is still considered successfull, unless VTEST_FAIL_FLAKY is 1 } pub fn get_test_details(file string) TestDetails { mut res := TestDetails{} lines := os.read_lines(file) or { [] } for line in lines { if line.starts_with('// vtest retry:') { res.retry = line.all_after(':').trim_space().int() } if line.starts_with('// vtest flaky:') { res.flaky = line.all_after(':').trim_space().bool() } } return res } pub fn find_started_process(pname string) ?string { for line in testing.all_processes { if line.contains(pname) { return line } } return error('could not find process matching $pname') }