v/vlib/compiler/tests/repl/runner/runner.v

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module runner
import os
struct RunnerOptions {
pub:
wd string
vexec string
files []string
}
pub fn full_path_to_v(dirs_in int) string {
vname := if os.user_os() == 'windows' { 'v.exe' } else { 'v' }
mut path := os.executable()
for i := 0; i < dirs_in; i++ {
path = os.dir(path)
}
vexec := path + os.path_separator + vname
/*
args := os.args
vreal := os.realpath('v')
myself := os.realpath( os.executable() )
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wd := os.getwd() + os.path_separator
println('args are: $args')
println('vreal : $vreal')
println('myself : $myself')
println('wd : $wd')
*/
return vexec
}
fn find_working_diff_command() ?string {
for diffcmd in ['colordiff', 'diff', 'colordiff.exe', 'diff.exe'] {
p := os.exec('$diffcmd --version') or { continue }
if p.exit_code == 0 { return diffcmd }
}
return error('no working diff command found')
}
fn diff_files( file_result, file_expected string ) string {
diffcmd := find_working_diff_command() or { return err }
diff := os.exec('$diffcmd --minimal --text --unified=2 $file_result $file_expected') or { return 'found diff command "$diffcmd" does not work' }
return diff.output
}
pub fn run_repl_file(wd string, vexec string, file string) ?string {
fcontent := os.read_file(file) or { return error('Could not read file $file') }
content := fcontent.replace('\r', '')
input := content.all_before('===output===\n')
output := content.all_after('===output===\n')
input_temporary_filename := 'input_temporary_filename.txt'
os.write_file(input_temporary_filename, input)
r := os.exec('"$vexec" runrepl < $input_temporary_filename') or {
os.rm(input_temporary_filename)
return error('Could not execute "$vexec runrepl < $input_temporary_filename" ')
}
os.rm(input_temporary_filename)
result := r.output.replace('\r','').replace('>>> ', '').replace('>>>', '').replace('... ', '').all_after('Use Ctrl-C or `exit` to exit\n').replace(wd, '' )
if result != output {
file_result := '${file}.result.txt'
file_expected := '${file}.expected.txt'
os.write_file( file_result, result )
os.write_file( file_expected, output )
diff := diff_files( file_result, file_expected )
return error('Difference found in REPL file: $file
====> Got :
|$result|
====> Expected :
|$output|
====> Diff :
$diff
')
} else {
return 'Repl file $file is OK'
}
}
pub fn run_prod_file(wd string, vexec string, file string) ?string {
file_expected := '${file}.expected.txt'
f_expected_content := os.read_file(file_expected) or { return error('Could not read file $file') }
expected_content := f_expected_content.replace('\r', '')
cmd := '"$vexec" -prod run "$file"'
r := os.exec(cmd) or {
return error('Could not execute: $cmd')
}
if r.exit_code != 0 {
return error('$cmd return exit code: $r.exit_code')
}
result := r.output.replace('\r','')
if result != expected_content {
file_result := '${file}.result.txt'
os.write_file( file_result, result )
diff := diff_files( file_result, file_expected )
return error('Difference found in test: $file
====> Got :
|$result|
====> Expected :
|$expected_content|
====> Diff :
$diff
')
} else {
return 'Prod file $file is OK'
}
}
pub fn new_options() RunnerOptions {
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wd := os.getwd() + os.path_separator
vexec := full_path_to_v(5)
mut files := []string
if os.args.len > 1 {
files = os.args[1..]
} else {
files = os.walk_ext('.', '.repl')
}
return RunnerOptions {
wd: wd
vexec: vexec
files: files
}
}
pub fn new_prod_options() RunnerOptions {
wd := os.getwd() + os.path_separator
vexec := full_path_to_v(4)
mut files := []string
if os.args.len > 1 {
files = os.args[1..]
} else {
files = os.walk_ext(wd, '.prod.v')
}
return RunnerOptions {
wd: wd
vexec: vexec
files: files
}
}