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v/vlib/os/os_test.v

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V

import os
fn test_setenv() {
os.setenv('foo', 'bar', true)
assert os.getenv('foo') == 'bar'
// `setenv` should not set if `overwrite` is false
os.setenv('foo', 'bar2', false)
assert os.getenv('foo') == 'bar'
// `setenv` should overwrite if `overwrite` is true
os.setenv('foo', 'bar2', true)
assert os.getenv('foo') == 'bar2'
}
fn test_unsetenv() {
os.setenv('foo', 'bar', true)
os.unsetenv('foo')
assert os.getenv('foo') == ''
}
fn test_write_and_read_string_to_file() {
filename := './test1.txt'
hello := 'hello world!'
os.write_file(filename, hello)
assert hello.len == os.file_size(filename)
read_hello := os.read_file(filename) or {
panic('error reading file $filename')
}
assert hello == read_hello
os.rm(filename)
}
fn test_create_and_delete_folder() {
folder := './test1'
os.mkdir(folder)
folder_contents := os.ls(folder)
assert folder_contents.len == 0
os.rmdir(folder)
folder_exists := os.dir_exists(folder)
assert folder_exists == false
}
fn test_dir() {
$if windows {
assert os.dir('C:\\a\\b\\c') == 'C:\\a\\b'
} $else {
assert os.dir('/var/tmp/foo') == '/var/tmp'
}
}
//fn test_fork() {
// pid := os.fork()
// if pid == 0 {
// println('Child')
// }
// else {
// println('Parent')
// }
//}
//fn test_wait() {
// pid := os.fork()
// if pid == 0 {
// println('Child')
// exit(0)
// }
// else {
// cpid := os.wait()
// println('Parent')
// println(cpid)
// }
//}