94 lines
2.5 KiB
V
94 lines
2.5 KiB
V
module runner
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import os
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struct RunnerOptions {
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pub:
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wd string
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vexec string
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files []string
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}
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pub fn full_path_to_v() string {
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vname := if os.user_os() == 'windows' { 'v.exe' } else { 'v' }
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vexec := os.dir(os.dir(os.dir(os.dir(os.dir( os.executable() ))))) + os.path_separator + vname
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/*
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args := os.args
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vreal := os.realpath('v')
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myself := os.realpath( os.executable() )
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wd := os.getwd() + os.path_separator
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println('args are: $args')
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println('vreal : $vreal')
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println('myself : $myself')
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println('wd : $wd')
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*/
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return vexec
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}
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fn find_working_diff_command() ?string {
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for diffcmd in ['colordiff', 'diff', 'colordiff.exe', 'diff.exe'] {
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p := os.exec('$diffcmd --version') or { continue }
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if p.exit_code == 0 { return diffcmd }
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}
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return error('no working diff command found')
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}
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fn diff_files( file_result, file_expected string ) string {
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diffcmd := find_working_diff_command() or { return err }
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diff := os.exec('$diffcmd --minimal --text --unified=2 $file_result $file_expected') or { return 'found diff command "$diffcmd" does not work' }
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return diff.output
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}
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pub fn run_repl_file(wd string, vexec string, file string) ?string {
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fcontent := os.read_file(file) or { return error('Could not read file $file') }
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content := fcontent.replace('\r', '')
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input := content.all_before('===output===\n')
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output := content.all_after('===output===\n')
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input_temporary_filename := 'input_temporary_filename.txt'
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os.write_file(input_temporary_filename, input)
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r := os.exec('"$vexec" runrepl < $input_temporary_filename') or {
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os.rm(input_temporary_filename)
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return error('Could not execute "$vexec runrepl < $input_temporary_filename" ')
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}
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os.rm(input_temporary_filename)
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result := r.output.replace('\r','').replace('>>> ', '').replace('>>>', '').replace('... ', '').all_after('Use Ctrl-C or `exit` to exit\n').replace(wd, '' )
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if result != output {
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file_result := '${file}.result.txt'
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file_expected := '${file}.expected.txt'
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os.write_file( file_result, result )
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os.write_file( file_expected, output )
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diff := diff_files( file_result, file_expected )
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return error('Difference found in REPL file: $file
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====> Got :
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|$result|
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====> Expected :
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|$output|
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====> Diff :
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$diff
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')
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} else {
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return 'Repl file $file is OK'
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}
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}
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pub fn new_options() RunnerOptions {
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wd := os.getwd() + os.path_separator
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vexec := full_path_to_v()
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mut files := []string
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if os.args.len > 1 {
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files = os.args[1..]
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} else {
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files = os.walk_ext('.', '.repl')
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}
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return RunnerOptions {
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wd: wd
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vexec: vexec
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files: files
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}
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}
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