601 lines
18 KiB
V
601 lines
18 KiB
V
module testing
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import os
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import time
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import term
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import benchmark
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import sync.pool
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import v.pref
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import v.util.vtest
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import runtime
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pub const github_job = os.getenv('GITHUB_JOB')
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pub const show_start = os.getenv('VTEST_SHOW_START') == '1'
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pub const hide_skips = os.getenv('VTEST_HIDE_SKIP') == '1'
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pub const hide_oks = os.getenv('VTEST_HIDE_OK') == '1'
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pub const fail_fast = os.getenv('VTEST_FAIL_FAST') == '1'
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pub const fail_flaky = os.getenv('VTEST_FAIL_FLAKY') == '1'
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pub const test_only = os.getenv('VTEST_ONLY').split_any(',')
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pub const test_only_fn = os.getenv('VTEST_ONLY_FN').split_any(',')
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pub const is_node_present = os.execute('node --version').exit_code == 0
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pub const all_processes = os.execute('ps ax').output.split_any('\r\n')
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pub struct TestSession {
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pub mut:
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files []string
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skip_files []string
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vexe string
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vroot string
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vtmp_dir string
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vargs string
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fail_fast bool
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benchmark benchmark.Benchmark
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rm_binaries bool = true
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silent_mode bool
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progress_mode bool
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root_relative bool // used by CI runs, so that the output is stable everywhere
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nmessages chan LogMessage // many publishers, single consumer/printer
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nmessage_idx int // currently printed message index
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nprint_ended chan int // read to block till printing ends, 1:1
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failed_cmds shared []string
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}
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enum MessageKind {
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ok
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fail
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skip
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info
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sentinel
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}
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struct LogMessage {
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message string
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kind MessageKind
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}
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pub fn (mut ts TestSession) add_failed_cmd(cmd string) {
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lock ts.failed_cmds {
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ts.failed_cmds << cmd
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}
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}
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pub fn (mut ts TestSession) show_list_of_failed_tests() {
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for i, cmd in ts.failed_cmds {
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eprintln(term.failed('Failed command ${i + 1}:') + ' $cmd')
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}
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}
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pub fn (mut ts TestSession) append_message(kind MessageKind, msg string) {
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ts.nmessages <- LogMessage{
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message: msg
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kind: kind
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}
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}
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pub fn (mut ts TestSession) print_messages() {
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empty := term.header(' ', ' ')
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mut print_msg_time := time.new_stopwatch()
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for {
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// get a message from the channel of messages to be printed:
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mut rmessage := <-ts.nmessages
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if rmessage.kind == .sentinel {
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// a sentinel for stopping the printing thread
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if !ts.silent_mode && ts.progress_mode {
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eprintln('')
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}
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ts.nprint_ended <- 0
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return
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}
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if rmessage.kind != .info {
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ts.nmessage_idx++
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}
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msg := rmessage.message.replace_each([
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'TMP1',
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'${ts.nmessage_idx:1d}',
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'TMP2',
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'${ts.nmessage_idx:2d}',
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'TMP3',
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'${ts.nmessage_idx:3d}',
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'TMP4',
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'${ts.nmessage_idx:4d}',
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])
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is_ok := rmessage.kind == .ok
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//
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time_passed := print_msg_time.elapsed().seconds()
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if time_passed > 10 && ts.silent_mode && is_ok {
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// Even if OK tests are suppressed,
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// show *at least* 1 result every 10 seconds,
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// otherwise the CI can seem stuck ...
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eprintln(msg)
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print_msg_time.restart()
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continue
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}
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if ts.progress_mode {
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// progress mode, the last line is rewritten many times:
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if is_ok && !ts.silent_mode {
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print('\r$empty\r$msg')
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} else {
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// the last \n is needed, so SKIP/FAIL messages
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// will not get overwritten by the OK ones
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eprint('\r$empty\r$msg\n')
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}
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continue
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}
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if !ts.silent_mode || !is_ok {
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// normal expanded mode, or failures in -silent mode
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eprintln(msg)
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continue
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}
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}
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}
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pub fn new_test_session(_vargs string, will_compile bool) TestSession {
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mut skip_files := []string{}
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if will_compile {
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$if msvc {
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skip_files << 'vlib/v/tests/const_comptime_eval_before_vinit_test.v' // _constructor used
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}
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$if solaris {
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skip_files << 'examples/gg/gg2.v'
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skip_files << 'examples/pico/pico.v'
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skip_files << 'examples/sokol/fonts.v'
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skip_files << 'examples/sokol/drawing.v'
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}
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$if macos {
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skip_files << 'examples/database/mysql.v'
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skip_files << 'examples/database/orm.v'
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skip_files << 'examples/database/psql/customer.v'
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}
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$if windows {
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skip_files << 'examples/database/mysql.v'
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skip_files << 'examples/database/orm.v'
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skip_files << 'examples/smtp/mail.v' // requires OpenSSL
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skip_files << 'examples/websocket/ping.v' // requires OpenSSL
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skip_files << 'examples/websocket/client-server/client.v' // requires OpenSSL
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skip_files << 'examples/websocket/client-server/server.v' // requires OpenSSL
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$if tinyc {
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skip_files << 'examples/database/orm.v' // try fix it
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}
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}
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$if windows {
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// TODO: remove when closures on windows are supported
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skip_files << 'examples/pendulum-simulation/animation.v'
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skip_files << 'examples/pendulum-simulation/full.v'
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skip_files << 'examples/pendulum-simulation/parallel.v'
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skip_files << 'examples/pendulum-simulation/parallel_with_iw.v'
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skip_files << 'examples/pendulum-simulation/sequential.v'
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}
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if testing.github_job != 'sokol-shaders-can-be-compiled' {
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// These examples need .h files that are produced from the supplied .glsl files,
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// using by the shader compiler tools in https://github.com/floooh/sokol-tools-bin/archive/pre-feb2021-api-changes.tar.gz
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skip_files << 'examples/sokol/simple_shader_glsl/simple_shader.v'
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skip_files << 'examples/sokol/02_cubes_glsl/cube_glsl.v'
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skip_files << 'examples/sokol/03_march_tracing_glsl/rt_glsl.v'
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skip_files << 'examples/sokol/04_multi_shader_glsl/rt_glsl.v'
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skip_files << 'examples/sokol/05_instancing_glsl/rt_glsl.v'
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// Skip obj_viewer code in the CI
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skip_files << 'examples/sokol/06_obj_viewer/show_obj.v'
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}
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if testing.github_job != 'ubuntu-tcc' {
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skip_files << 'examples/c_interop_wkhtmltopdf.v' // needs installation of wkhtmltopdf from https://github.com/wkhtmltopdf/packaging/releases
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skip_files << 'examples/call_v_from_python/test.v' // the example only makes sense to be compiled, when python is installed
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// the ttf_test.v is not interactive, but needs X11 headers to be installed, which is done only on ubuntu-tcc for now
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skip_files << 'vlib/x/ttf/ttf_test.v'
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skip_files << 'vlib/vweb/vweb_app_test.v' // imports the `sqlite` module, which in turn includes sqlite3.h
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}
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if testing.github_job != 'audio-examples' {
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skip_files << 'examples/sokol/sounds/melody.v'
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skip_files << 'examples/sokol/sounds/wav_player.v'
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skip_files << 'examples/sokol/sounds/simple_sin_tones.v'
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}
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}
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vargs := _vargs.replace('-progress', '').replace('-progress', '')
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vexe := pref.vexe_path()
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vroot := os.dir(vexe)
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new_vtmp_dir := setup_new_vtmp_folder()
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if term.can_show_color_on_stderr() {
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os.setenv('VCOLORS', 'always', true)
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}
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return TestSession{
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vexe: vexe
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vroot: vroot
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skip_files: skip_files
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fail_fast: testing.fail_fast
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vargs: vargs
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vtmp_dir: new_vtmp_dir
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silent_mode: _vargs.contains('-silent')
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progress_mode: _vargs.contains('-progress')
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}
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}
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pub fn (mut ts TestSession) init() {
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ts.files.sort()
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ts.benchmark = benchmark.new_benchmark_no_cstep()
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}
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pub fn (mut ts TestSession) add(file string) {
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ts.files << file
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}
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pub fn (mut ts TestSession) test() {
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// Ensure that .tmp.c files generated from compiling _test.v files,
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// are easy to delete at the end, *without* affecting the existing ones.
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current_wd := os.getwd()
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if current_wd == os.wd_at_startup && current_wd == ts.vroot {
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ts.root_relative = true
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}
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//
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ts.init()
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mut remaining_files := []string{}
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for dot_relative_file in ts.files {
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file := os.real_path(dot_relative_file)
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$if windows {
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if file.contains('sqlite') || file.contains('httpbin') {
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continue
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}
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}
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$if !macos {
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if file.contains('customer') {
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continue
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}
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}
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$if msvc {
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if file.contains('asm') {
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continue
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}
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}
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remaining_files << dot_relative_file
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}
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remaining_files = vtest.filter_vtest_only(remaining_files, fix_slashes: false)
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ts.files = remaining_files
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ts.benchmark.set_total_expected_steps(remaining_files.len)
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mut njobs := runtime.nr_jobs()
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if remaining_files.len < njobs {
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njobs = remaining_files.len
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}
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ts.benchmark.njobs = njobs
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mut pool_of_test_runners := pool.new_pool_processor(callback: worker_trunner)
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// for handling messages across threads
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ts.nmessages = chan LogMessage{cap: 10000}
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ts.nprint_ended = chan int{cap: 0}
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ts.nmessage_idx = 0
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go ts.print_messages()
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pool_of_test_runners.set_shared_context(ts)
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pool_of_test_runners.work_on_pointers(unsafe { remaining_files.pointers() })
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ts.benchmark.stop()
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ts.append_message(.sentinel, '') // send the sentinel
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_ := <-ts.nprint_ended // wait for the stop of the printing thread
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eprintln(term.h_divider('-'))
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// cleanup generated .tmp.c files after successful tests:
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if ts.benchmark.nfail == 0 {
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if ts.rm_binaries {
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os.rmdir_all(ts.vtmp_dir) or {}
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}
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}
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ts.show_list_of_failed_tests()
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}
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fn worker_trunner(mut p pool.PoolProcessor, idx int, thread_id int) voidptr {
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mut ts := &TestSession(p.get_shared_context())
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if ts.fail_fast {
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if ts.failed_cmds.len > 0 {
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return pool.no_result
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}
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}
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tmpd := ts.vtmp_dir
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show_stats := '-stats' in ts.vargs.split(' ')
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// tls_bench is used to format the step messages/timings
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mut tls_bench := &benchmark.Benchmark(p.get_thread_context(idx))
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if isnil(tls_bench) {
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tls_bench = benchmark.new_benchmark_pointer()
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tls_bench.set_total_expected_steps(ts.benchmark.nexpected_steps)
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p.set_thread_context(idx, tls_bench)
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}
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tls_bench.no_cstep = true
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tls_bench.njobs = ts.benchmark.njobs
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mut relative_file := os.real_path(p.get_item<string>(idx))
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mut cmd_options := [ts.vargs]
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mut run_js := false
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is_fmt := ts.vargs.contains('fmt')
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is_vet := ts.vargs.contains('vet')
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produces_file_output := !(is_fmt || is_vet)
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if relative_file.ends_with('js.v') {
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if produces_file_output {
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cmd_options << ' -b js'
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run_js = true
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}
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}
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if relative_file.contains('global') && !is_fmt {
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cmd_options << ' -enable-globals'
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}
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if ts.root_relative {
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relative_file = relative_file.replace(ts.vroot + os.path_separator, '')
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}
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file := os.real_path(relative_file)
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normalised_relative_file := relative_file.replace('\\', '/')
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// Ensure that the generated binaries will be stored in the temporary folder.
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// Remove them after a test passes/fails.
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fname := os.file_name(file)
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generated_binary_fname := if os.user_os() == 'windows' && !run_js {
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fname.replace('.v', '.exe')
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} else if !run_js {
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fname.replace('.v', '')
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} else {
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fname.replace('.v', '')
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}
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generated_binary_fpath := os.join_path_single(tmpd, generated_binary_fname)
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if produces_file_output {
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if os.exists(generated_binary_fpath) {
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if ts.rm_binaries {
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os.rm(generated_binary_fpath) or {}
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}
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}
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cmd_options << ' -o ${os.quoted_path(generated_binary_fpath)}'
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}
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cmd := '${os.quoted_path(ts.vexe)} ' + cmd_options.join(' ') + ' ${os.quoted_path(file)}'
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ts.benchmark.step()
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tls_bench.step()
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if relative_file.replace('\\', '/') in ts.skip_files {
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ts.benchmark.skip()
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tls_bench.skip()
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if !testing.hide_skips {
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ts.append_message(.skip, tls_bench.step_message_skip(normalised_relative_file))
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}
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return pool.no_result
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}
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if show_stats {
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ts.append_message(.ok, term.h_divider('-'))
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mut status := os.system(cmd)
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if status != 0 {
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details := get_test_details(file)
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os.setenv('VTEST_RETRY_MAX', '$details.retry', true)
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for retry := 1; retry <= details.retry; retry++ {
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ts.append_message(.info, ' [stats] retrying $retry/$details.retry of $relative_file ; known flaky: $details.flaky ...')
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os.setenv('VTEST_RETRY', '$retry', true)
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status = os.system(cmd)
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if status == 0 {
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unsafe {
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goto test_passed_system
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}
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}
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time.sleep(500 * time.millisecond)
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}
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if details.flaky && !testing.fail_flaky {
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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 .')
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unsafe {
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goto test_passed_system
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}
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}
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ts.benchmark.fail()
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tls_bench.fail()
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ts.add_failed_cmd(cmd)
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return pool.no_result
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} else {
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test_passed_system:
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ts.benchmark.ok()
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tls_bench.ok()
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}
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} else {
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if testing.show_start {
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ts.append_message(.info, ' starting $relative_file ...')
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}
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mut r := os.execute(cmd)
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if r.exit_code < 0 {
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ts.benchmark.fail()
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tls_bench.fail()
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ts.append_message(.fail, tls_bench.step_message_fail(normalised_relative_file))
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ts.add_failed_cmd(cmd)
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return pool.no_result
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}
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if r.exit_code != 0 {
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details := get_test_details(file)
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os.setenv('VTEST_RETRY_MAX', '$details.retry', true)
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for retry := 1; retry <= details.retry; retry++ {
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ts.append_message(.info, ' retrying $retry/$details.retry of $relative_file ; known flaky: $details.flaky ...')
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os.setenv('VTEST_RETRY', '$retry', true)
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r = os.execute(cmd)
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if r.exit_code == 0 {
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unsafe {
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goto test_passed_execute
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}
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}
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}
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if details.flaky && !testing.fail_flaky {
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ts.append_message(.info, ' *FAILURE* of the known flaky test file $relative_file is ignored, since VTEST_FAIL_FLAKY is 0 . Retry count: $details.retry .')
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unsafe {
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goto test_passed_execute
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}
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}
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ts.benchmark.fail()
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tls_bench.fail()
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ending_newline := if r.output.ends_with('\n') { '\n' } else { '' }
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ts.append_message(.fail, tls_bench.step_message_fail('$normalised_relative_file\n$r.output.trim_space()$ending_newline'))
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ts.add_failed_cmd(cmd)
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} else {
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test_passed_execute:
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ts.benchmark.ok()
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tls_bench.ok()
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if !testing.hide_oks {
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ts.append_message(.ok, tls_bench.step_message_ok(normalised_relative_file))
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}
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}
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}
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if produces_file_output && os.exists(generated_binary_fpath) && ts.rm_binaries {
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os.rm(generated_binary_fpath) or {}
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}
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return pool.no_result
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}
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pub fn vlib_should_be_present(parent_dir string) {
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vlib_dir := os.join_path_single(parent_dir, 'vlib')
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if !os.is_dir(vlib_dir) {
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eprintln('$vlib_dir is missing, it must be next to the V executable')
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exit(1)
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}
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}
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pub fn prepare_test_session(zargs string, folder string, oskipped []string, main_label string) TestSession {
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vexe := pref.vexe_path()
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parent_dir := os.dir(vexe)
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vlib_should_be_present(parent_dir)
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vargs := zargs.replace(vexe, '')
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eheader(main_label)
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if vargs.len > 0 {
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eprintln('v compiler args: "$vargs"')
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}
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mut session := new_test_session(vargs, true)
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files := os.walk_ext(os.join_path_single(parent_dir, folder), '.v')
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mut mains := []string{}
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mut skipped := oskipped.clone()
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next_file: for f in files {
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fnormalised := f.replace('\\', '/')
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// Note: a `testdata` folder, is the preferred name of a folder, containing V code,
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// that you *do not want* the test framework to find incidentally for various reasons,
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// 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')
|
|
}
|