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#!/usr/local/bin/lua5.1
local tmp = "/tmp"
local sep = "/"
local upper = ".."
require"lfs"
print (lfs._VERSION)
function attrdir (path)
for file in lfs.dir(path) do
if file ~= "." and file ~= ".." then
local f = path..sep..file
print ("\t=> "..f.." <=")
local attr = lfs.attributes (f)
assert (type(attr) == "table")
if attr.mode == "directory" then
attrdir (f)
else
for name, value in pairs(attr) do
print (name, value)
end
end
end
end
end
-- Checking changing directories
local current = assert (lfs.currentdir())
local reldir = string.gsub (current, "^.*%"..sep.."([^"..sep.."])$", "%1")
assert (lfs.chdir (upper), "could not change to upper directory")
assert (lfs.chdir (reldir), "could not change back to current directory")
assert (lfs.currentdir() == current, "error trying to change directories")
assert (lfs.chdir ("this couldn't be an actual directory") == nil, "could change to a non-existent directory")
-- Changing creating and removing directories
local tmpdir = current..sep.."lfs_tmp_dir"
local tmpfile = tmpdir..sep.."tmp_file"
-- Test for existence of a previous lfs_tmp_dir
-- that may have resulted from an interrupted test execution and remove it
if lfs.chdir (tmpdir) then
assert (lfs.chdir (upper), "could not change to upper directory")
assert (os.remove (tmpfile), "could not remove file from previous test")
assert (lfs.rmdir (tmpdir), "could not remove directory from previous test")
end
-- tries to create a directory
assert (lfs.mkdir (tmpdir), "could not make a new directory")
local attrib, errmsg = lfs.attributes (tmpdir)
if not attrib then
error ("could not get attributes of file `"..tmpdir.."':\n"..errmsg)
end
local f = io.open(tmpfile, "w")
f:close()
-- Change access time
local testdate = os.time({ year = 2007, day = 10, month = 2, hour=0})
assert (lfs.touch (tmpfile, testdate))
local new_att = assert (lfs.attributes (tmpfile))
assert (new_att.access == testdate, "could not set access time")
assert (new_att.modification == testdate, "could not set modification time")
-- Change access and modification time
local testdate1 = os.time({ year = 2007, day = 10, month = 2, hour=0})
local testdate2 = os.time({ year = 2007, day = 11, month = 2, hour=0})
assert (lfs.touch (tmpfile, testdate2, testdate1))
local new_att = assert (lfs.attributes (tmpfile))
assert (new_att.access == testdate2, "could not set access time")
assert (new_att.modification == testdate1, "could not set modification time")
-- Checking symbolic link information
-- We have to review these tests since they don't work in Windows and assume os.execute is available
--assert (os.execute ("ln -s "..tmpfile.." _a_link_for_test_"))
--assert (lfs.attributes"_a_link_for_test_".mode == "file")
--assert (lfs.symlinkattributes"_a_link_for_test_".mode == "link")
--assert (os.remove"_a_link_for_test_")
-- Restore access time to current value
assert (lfs.touch (tmpfile, attrib.access, attrib.modification))
new_att = assert (lfs.attributes (tmpfile))
assert (new_att.access == attrib.access)
assert (new_att.modification == attrib.modification)
-- Remove new file and directory
assert (os.remove (tmpfile), "could not remove new file")
assert (lfs.rmdir (tmpdir), "could not remove new directory")
assert (lfs.mkdir (tmpdir..sep.."lfs_tmp_dir") == nil, "could create a directory inside a non-existent one")
-- Trying to get attributes of a non-existent file
assert (lfs.attributes ("this couldn't be an actual file") == nil, "could get attributes of a non-existent file")
assert (type(lfs.attributes (upper)) == "table", "couldn't get attributes of upper directory")
-- Stressing directory iterator
count = 0
for i = 1, 4000 do
for file in lfs.dir (tmp) do
count = count + 1
end
end
print"Ok!"
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