import os import time const ( vexe = os.getenv('VEXE') vroot = os.dir(vexe) test_os_process = os.join_path(os.temp_dir(), 'v', 'test_os_process.exe') test_os_process_source = os.join_path(vroot, 'cmd/tools/test_os_process.v') ) fn testsuite_begin() ? { os.rm(test_os_process) or {} if os.getenv('WINE_TEST_OS_PROCESS_EXE') != '' { // Make it easier to run the test under wine emulation, by just // prebuilding the executable with: // v -os windows -o x.exe cmd/tools/test_os_process.v // WINE_TEST_OS_PROCESS_EXE=x.exe ./v -os windows vlib/os/process_test.v os.cp(os.getenv('WINE_TEST_OS_PROCESS_EXE'), test_os_process) ? } else { os.system('$vexe -o $test_os_process $test_os_process_source') } assert os.exists(test_os_process) } fn test_getpid() { pid := os.getpid() eprintln('current pid: $pid') assert pid != 0 } fn test_run() { mut p := os.new_process(test_os_process) p.set_args(['-timeout_ms', '150', '-period_ms', '50']) p.run() assert p.status == .running assert p.pid > 0 assert p.pid != os.getpid() mut i := 0 for { if !p.is_alive() { break } $if trace_process_output ? { os.system('ps -opid= -oppid= -ouser= -onice= -of= -ovsz= -orss= -otime= -oargs= -p $p.pid') } time.sleep(50 * time.millisecond) i++ } p.wait() assert p.code == 0 assert p.status == .exited // eprintln('polling iterations: $i') assert i < 50 } fn test_wait() { mut p := os.new_process(test_os_process) assert p.status != .exited p.wait() assert p.status == .exited assert p.code == 0 assert p.pid != os.getpid() } fn test_slurping_output() { mut p := os.new_process(test_os_process) p.set_args(['-timeout_ms', '500', '-period_ms', '50']) p.set_redirect_stdio() assert p.status != .exited p.wait() assert p.status == .exited assert p.code == 0 output := p.stdout_slurp().trim_space() errors := p.stderr_slurp().trim_space() $if trace_process_output ? { eprintln('---------------------------') eprintln('p output: "$output"') eprintln('p errors: "$errors"') eprintln('---------------------------') } // dump(output) assert output.contains('stdout, 1') assert output.contains('stdout, 2') assert output.contains('stdout, 3') assert output.contains('stdout, 4') // // dump(errors) assert errors.contains('stderr, 1') assert errors.contains('stderr, 2') assert errors.contains('stderr, 3') assert errors.contains('stderr, 4') }