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test-fs.lua
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test-fs.lua
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return require('lib/tap')(function (test)
test("read a file sync", function (print, p, expect, uv)
local fd = assert(uv.fs_open('README.md', 'r', tonumber('644', 8)))
p{fd=fd}
local stat = assert(uv.fs_fstat(fd))
p{stat=stat}
local chunk = assert(uv.fs_read(fd, stat.size, 0))
assert(#chunk == stat.size)
assert(uv.fs_close(fd))
end)
test("read a file sync in chunks", function (print, p, expect, uv)
local fd = assert(uv.fs_open('README.md', 'r', tonumber('644', 8)))
local stat = assert(uv.fs_fstat(fd))
local chunks = {}
local numchunks = 8
local chunksize = math.ceil(stat.size/numchunks)
while true do
local chunk, err = uv.fs_read(fd, chunksize)
assert(not err, err)
if #chunk == 0 then
break
end
table.insert(chunks, chunk)
end
assert(#chunks == numchunks)
assert(#table.concat(chunks) == stat.size)
assert(uv.fs_close(fd))
end)
test("read a file async", function (print, p, expect, uv)
uv.fs_open('README.md', 'r', tonumber('644', 8), expect(function (err, fd)
assert(not err, err)
p{fd=fd}
uv.fs_fstat(fd, expect(function (err, stat)
assert(not err, err)
p{stat=stat}
uv.fs_read(fd, stat.size, 0, expect(function (err, chunk)
assert(not err, err)
p{chunk=#chunk}
assert(#chunk == stat.size)
uv.fs_close(fd, expect(function (err)
assert(not err, err)
end))
end))
end))
end))
end)
test("fs.write", function (print, p, expect, uv)
local path = "_test_"
local fd = assert(uv.fs_open(path, "w", 438))
-- a mix of async and sync
uv.fs_write(fd, "Hello World\n", expect(function(err, n)
assert(not err, err)
assert(uv.fs_write(fd, {"with\n", "more\n", "lines\n"}))
assert(uv.fs_close(fd))
assert(uv.fs_unlink(path))
end))
end)
-- collect garbage after uv.fs_write but before the write callback
-- is called in order to potentially garbage collect the strings that
-- are being sent. See https://github.com/luvit/luv/issues/397
test("fs.write data refs", function (print, p, expect, uv)
local path = "_test_"
local fd = assert(uv.fs_open(path, "w+", tonumber("0666", 8)))
do
-- the number here gets coerced into a string
local t = {"with", 600, "lines"}
uv.fs_write(fd, t, function()
local expectedContents = table.concat(t)
local stat = assert(uv.fs_fstat(fd))
assert(stat.size == #expectedContents)
local chunk = assert(uv.fs_read(fd, stat.size, 0))
assert(chunk == expectedContents)
assert(uv.fs_close(fd))
assert(uv.fs_unlink(path))
end)
end
local count = collectgarbage("count")
collectgarbage("collect")
assert(count - collectgarbage("count") > 0)
end)
test("fs.stat sync", function (print, p, expect, uv)
local stat = assert(uv.fs_stat("README.md"))
assert(stat.size)
end)
test("fs.stat async", function (print, p, expect, uv)
assert(uv.fs_stat("README.md", expect(function (err, stat)
assert(not err, err)
assert(stat.size)
end)))
end)
test("fs.stat sync error", function (print, p, expect, uv)
local stat, err, code = uv.fs_stat("BAD_FILE!")
p{err=err,code=code,stat=stat}
assert(not stat)
assert(err)
assert(code == "ENOENT")
end)
test("fs.stat async error", function (print, p, expect, uv)
assert(uv.fs_stat("BAD_FILE@", expect(function (err, stat)
p{err=err,stat=stat}
assert(err)
assert(not stat)
end)))
end)
test("fs.scandir", function (print, p, expect, uv)
local req = uv.fs_scandir('.')
local function iter()
return uv.fs_scandir_next(req)
end
for name, ftype in iter do
p{name=name, ftype=ftype}
assert(name)
-- ftype is not available in all filesystems; for example it's
-- provided for HFS+ (OSX), NTFS (Windows) but not for ext4 (Linux).
end
end)
test("fs.realpath", function (print, p, expect, uv)
p(assert(uv.fs_realpath('.')))
assert(uv.fs_realpath('.', expect(function (err, path)
assert(not err, err)
p(path)
end)))
end, "1.8.0")
test("fs.copyfile", function (print, p, expect, uv)
local path = "_test_"
local path2 = "_test2_"
local fd = assert(uv.fs_open(path, "w", 438))
uv.fs_write(fd, "Hello World\n", -1)
uv.fs_close(fd)
assert(uv.fs_copyfile(path, path2))
assert(uv.fs_unlink(path))
assert(uv.fs_unlink(path2))
end, "1.14.0")
test("fs.{open,read,close}dir object sync #1", function(print, p, expect, uv)
local dir = assert(uv.fs_opendir('.'))
repeat
local dirent = dir:readdir()
if dirent then
assert(#dirent==1)
p(dirent)
end
until not dirent
assert(dir:closedir()==true)
end, "1.28.0")
test("fs.{open,read,close}dir object sync #2", function(print, p, expect, uv)
local dir = assert(uv.fs_opendir('.'))
repeat
local dirent = dir:readdir()
if dirent then
assert(#dirent==1)
p(dirent)
end
until not dirent
dir:closedir(function(err, state)
assert(err==nil)
assert(state==true)
assert(tostring(dir):match("^uv_dir_t"))
print(dir, 'closed')
end)
end, "1.28.0")
test("fs.{open,read,close}dir sync one entry", function(print, p, expect, uv)
local dir = assert(uv.fs_opendir('.'))
repeat
local dirent = uv.fs_readdir(dir)
if dirent then
assert(#dirent==1)
p(dirent)
end
until not dirent
assert(uv.fs_closedir(dir)==true)
end, "1.28.0")
test("fs.{open,read,close}dir sync more entry", function(print, p, expect, uv)
local dir = assert(uv.fs_opendir('.', nil, 50))
repeat
local dirent = uv.fs_readdir(dir)
if dirent then p(dirent) end
until not dirent
assert(uv.fs_closedir(dir)==true)
end, "1.28.0")
test("fs.{open,read,close}dir with more entry", function(print, p, expect, uv)
local function opendir_cb(err, dir)
assert(not err)
local function readdir_cb(err, dirs)
assert(not err)
if dirs then
p(dirs)
uv.fs_readdir(dir, readdir_cb)
else
assert(uv.fs_closedir(dir)==true)
end
end
uv.fs_readdir(dir, readdir_cb)
end
assert(uv.fs_opendir('.', opendir_cb, 50))
end, "1.28.0")
test("fs.statfs sync", function (print, p, expect, uv)
local stat = assert(uv.fs_statfs("."))
p(stat)
assert(stat.bavail>0)
end, "1.31.0")
test("fs.statfs async", function (print, p, expect, uv)
assert(uv.fs_statfs(".", expect(function (err, stat)
assert(not err, err)
p(stat)
assert(stat.bavail>0)
end)))
end, "1.31.0")
test("fs.statfs sync error", function (print, p, expect, uv)
local stat, err, code = uv.fs_statfs("BAD_FILE!")
p{err=err,code=code,stat=stat}
assert(not stat)
assert(err)
assert(code == "ENOENT")
end, "1.31.0")
test("fs.statfs async error", function (print, p, expect, uv)
assert(uv.fs_statfs("BAD_FILE@", expect(function (err, stat)
p{err=err,stat=stat}
assert(err)
assert(not stat)
end)))
end, "1.31.0")
test("fs.mkdtemp async", function(print, p, expect, uv)
local tp = "luvXXXXXX"
uv.fs_mkdtemp(tp, function(err, path)
assert(not err)
assert(path:match("^luv......"))
assert(uv.fs_rmdir(path))
end)
end)
test("fs.mkdtemp sync", function(print, p, expect, uv)
local tp = "luvXXXXXX"
local path, err, code = uv.fs_mkdtemp(tp)
assert(path:match("^luv......"))
assert(uv.fs_rmdir(path))
end)
test("fs.mkdtemp async error", function(print, p, expect, uv)
local tp = "luvXXXXXZ"
uv.fs_mkdtemp(tp, function(err, path)
-- Will success on MacOS
if not err then
assert(path:match("^luv......"))
assert(uv.fs_rmdir(path))
else
assert(err:match("^EINVAL:"))
assert(path==nil)
end
end)
end)
test("fs.mkdtemp sync error", function(print, p, expect, uv)
local tp = "luvXXXXXZ"
local path, err, code = uv.fs_mkdtemp(tp)
-- Will success on MacOS
if not err then
assert(path:match("^luv......"))
assert(uv.fs_rmdir(path))
else
assert(path==nil)
assert(err:match("^EINVAL:"))
assert(code=='EINVAL')
end
end)
test("fs.mkstemp async", function(print, p, expect, uv)
local tp = "luvXXXXXX"
uv.fs_mkstemp(tp, function(err, fd, path)
assert(not err)
assert(type(fd)=='number')
assert(path:match("^luv......"))
assert(uv.fs_close(fd))
assert(uv.fs_unlink(path))
end)
end, "1.34.0")
test("fs.mkstemp sync", function(print, p, expect, uv)
local tp = "luvXXXXXX"
local content = "hello world!"
local fd, path = uv.fs_mkstemp(tp)
assert(type(fd)=='number')
assert(path:match("^luv......"))
uv.fs_write(fd, content, -1)
assert(uv.fs_close(fd))
fd = assert(uv.fs_open(path, "r", 438))
local stat = assert(uv.fs_fstat(fd))
local chunk = assert(uv.fs_read(fd, stat.size, 0))
assert(#chunk == stat.size)
assert(chunk==content)
assert(uv.fs_close(fd))
assert(uv.fs_unlink(path))
end, "1.34.0")
test("fs.mkstemp async error", function(print, p, expect, uv)
local tp = "luvXXXXXZ"
uv.fs_mkstemp(tp, function(err, path, fd)
assert(err:match("^EINVAL:"))
assert(path==nil)
assert(fd==nil)
end)
end, "1.34.0")
test("fs.mkstemp sync error", function(print, p, expect, uv)
local tp = "luvXXXXXZ"
local path, err, code = uv.fs_mkstemp(tp)
assert(path==nil)
assert(err:match("^EINVAL:"))
assert(code=='EINVAL')
end, "1.34.0")
end)