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v/vlib/os/find_abs_path_of_executable_test.v

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module os
fn test_find_abs_path_of_executable() {
tfolder := join_path(temp_dir(), 'v', 'tests', 'filepath_test')
rmdir_all(tfolder) or {}
assert !is_dir(tfolder)
mkdir_all(tfolder)?
defer {
rmdir_all(tfolder) or {}
}
//
original_path := getenv('PATH')
original_wdir := getwd()
defer {
chdir(original_wdir) or {}
}
//
new_path := tfolder + path_delimiter + original_path
setenv('PATH', new_path, true)
//
mut myclang_file := 'myclang'
$if windows {
myclang_file += '.bat'
}
//
chdir(tfolder)?
write_file(myclang_file, 'echo hello')?
chmod(myclang_file, 0o0777)!
dump(real_path(myclang_file))
dump(is_executable(myclang_file))
defer {
rm(myclang_file) or {}
}
//
fpath := find_abs_path_of_executable('myclang') or {
assert false
return
}
dump(fpath)
//
setenv('PATH', original_path, true)
chdir(home_dir())! // change to a *completely* different folder, to avoid the original PATH containing `.`
if x := find_abs_path_of_executable('myclang') {
eprintln('> find_abs_path_of_executable should have failed, but instead it found: $x')
assert false
}
}