138 lines
3.0 KiB
V
138 lines
3.0 KiB
V
import os
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fn test_setenv() {
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os.setenv('foo', 'bar', true)
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assert os.getenv('foo') == 'bar'
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// `setenv` should not set if `overwrite` is false
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os.setenv('foo', 'bar2', false)
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assert os.getenv('foo') == 'bar'
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// `setenv` should overwrite if `overwrite` is true
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os.setenv('foo', 'bar2', true)
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assert os.getenv('foo') == 'bar2'
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}
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fn test_unsetenv() {
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os.setenv('foo', 'bar', true)
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os.unsetenv('foo')
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assert os.getenv('foo') == ''
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}
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fn test_write_and_read_string_to_file() {
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filename := './test1.txt'
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hello := 'hello world!'
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os.write_file(filename, hello)
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assert hello.len == os.file_size(filename)
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read_hello := os.read_file(filename) or {
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panic('error reading file $filename')
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}
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assert hello == read_hello
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os.rm(filename)
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}
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// test_write_and_read_bytes checks for regressions made in the functions
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// read_bytes, read_bytes_at and write_bytes.
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fn test_write_and_read_bytes() {
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file_name := './byte_reader_writer.tst'
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payload := [`I`, `D`, `D`, `Q`, `D`]
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file_write := os.create(os.realpath(file_name)) or {
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eprintln('failed to create file $file_name')
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return
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}
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// We use the standard write_bytes function to write the payload and
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// compare the length of the array with the file size (have to match).
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file_write.write_bytes(payload.data, 5)
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file_write.close()
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assert payload.len == os.file_size(file_name)
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file_read := os.open(os.realpath(file_name)) or {
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eprintln('failed to open file $file_name')
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return
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}
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// We only need to test read_bytes because this function calls
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// read_bytes_at with second parameter zeroed (size, 0).
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red_bytes := file_read.read_bytes(5)
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file_read.close()
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assert red_bytes.str() == payload.str()
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// We finally delete the test file.
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os.rm(file_name)
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}
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fn test_create_and_delete_folder() {
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folder := './test1'
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os.mkdir(folder)
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folder_contents := os.ls(folder) or { panic(err) }
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assert folder_contents.len == 0
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os.rmdir(folder)
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folder_exists := os.dir_exists(folder)
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assert folder_exists == false
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}
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fn test_dir() {
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$if windows {
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assert os.dir('C:\\a\\b\\c') == 'C:\\a\\b'
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} $else {
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assert os.dir('/var/tmp/foo') == '/var/tmp'
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}
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}
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fn walk_callback(file string) {
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if file == '.' || file == '..' {
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return
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}
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assert file == 'test_walk'+os.path_separator+'test1'
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}
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fn test_walk() {
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folder := 'test_walk'
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os.mkdir(folder)
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file1 := folder+os.path_separator+'test1'
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os.write_file(file1,'test-1')
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os.walk(folder, walk_callback)
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os.rm(file1)
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os.rmdir(folder)
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}
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//fn test_fork() {
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// pid := os.fork()
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// if pid == 0 {
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// println('Child')
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// }
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// else {
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// println('Parent')
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// }
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//}
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//fn test_wait() {
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// pid := os.fork()
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// if pid == 0 {
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// println('Child')
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// exit(0)
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// }
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// else {
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// cpid := os.wait()
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// println('Parent')
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// println(cpid)
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// }
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//}
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