lua-csv/lua/test.lua
2014-07-21 11:15:00 +12:00

95 lines
2.2 KiB
Lua

pcall(require, "strict")
local csv = require"csv"
local errors = 0
local function testhandle(handle, correct_result)
local result = {}
for r in handle:lines() do
if not r[1] then
local r2 = {}
for k, v in pairs(r) do r2[#r2+1] = k..":"..tostring(v) end
table.sort(r2)
r = r2
end
result[#result+1] = table.concat(r, ",")
end
handle:close()
result = table.concat(result, "!\n").."!"
if result ~= correct_result then
io.stderr:write(
("Error reading '%s':\nExpected output:\n%s\n\nActual output:\n%s\n\n"):
format(handle:name(), correct_result, result))
errors = errors + 1
return false
end
return true
end
local function test(filename, correct_result, parameters)
parameters = parameters or {}
for i = 1, 16 do
parameters.buffer_size = i
local f = csv.open(filename, parameters)
local fileok = testhandle(f, correct_result)
if fileok then
f = io.open(filename, "r")
local data = f:read("*a")
f:close()
f = csv.openstring(data, parameters)
testhandle(f, correct_result)
end
end
end
test("../test-data/embedded-newlines.csv", [[
embedded
newline,embedded
newline,embedded
newline!
embedded
newline,embedded
newline,embedded
newline!]])
test("../test-data/embedded-quotes.csv", [[
embedded "quotes",embedded "quotes",embedded "quotes"!
embedded "quotes",embedded "quotes",embedded "quotes"!]])
test("../test-data/header.csv", [[
alpha:ONE,bravo:two,charlie:3!
alpha:four,bravo:five,charlie:6!]], {header=true})
test("../test-data/header.csv", [[
apple:one,charlie:30!
apple:four,charlie:60!]],
{ columns = {
apple = { name = "ALPHA", transform = string.lower },
charlie = { transform = function(x) return tonumber(x) * 10 end }}})
test("../test-data/blank-line.csv", [[
this,file,ends,with,a,blank,line!]])
test("../test-data/BOM.csv", [[
apple:one,charlie:30!
apple:four,charlie:60!]],
{ columns = {
apple = { name = "ALPHA", transform = string.lower },
charlie = { transform = function(x) return tonumber(x) * 10 end }}})
if errors == 0 then
io.stdout:write("Passed\n")
elseif errors == 1 then
io.stdout:write("1 error\n")
else
io.stdout:write(("%d errors\n"):format(errors))
end
os.exit(errors)