moonscript/test.lua

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Lua
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2011-05-20 16:14:50 +00:00
require "lfs"
local argv = {...}
local action = table.remove(argv, 1) or "run"
local diff_tool = "diff"
local opts = {
in_dir = "tests/inputs",
out_dir = "tests/outputs",
input_pattern = "(.*)%.moon$",
output_ext = ".lua"
}
local function diff(a_fname, b_fname)
return io.popen(diff_tool.." ".. a_fname.." "..b_fname, "r"):read("*a")
end
local function input_name(name) return opts.in_dir .. "/" .. name end
local function output_name(name)
return opts.out_dir.."/"..name:match(opts.input_pattern)..opts.output_ext
end
local function run_file(name)
name = input_name(name)
file_str = io.open(name):read("*a")
local parse = require "moonscript.parse"
local compile = require "moonscript.compile"
return compile.tree(parse.string(file_str))
end
local function inputs(pattern)
return coroutine.wrap(function()
for file in lfs.dir(opts.in_dir) do
local body = file:match(opts.input_pattern)
if body then
if not pattern or body:match(pattern) then
coroutine.yield(file)
end
end
end
end)
end
local actions = {
build = function(pattern)
for file in inputs(pattern) do
local out_fname = output_name(file)
print("Building: ", file, out_fname)
io.open(out_fname, "w"):write(run_file(file))
end
end,
run = function(pattern)
local tests_run, result = 0
for file in inputs(pattern) do
tests_run = tests_run + 1
local correct_fname = output_name(file)
result = run_file(file)
local handle = io.open(correct_fname)
if not handle then
print("Test not built yet:", correct_fname)
else
local correct = handle:read("*a")
if result ~= correct then
print("Test", file, "failed")
local tmp_name = os.tmpname()
local tmp = io.open(tmp_name, "w")
tmp:write(result)
tmp:close()
print(diff(correct_fname, tmp_name))
os.remove(tmp_name)
-- break
else
print("Test", file, "passed")
end
end
end
if tests_run == 0 then
if not pattern then
print("No tests found")
else
print("No tests matching pattern:", pattern)
end
elseif tests_run == 1 then
print(result)
end
end,
list = function(pattern)
local count = 0
for file in inputs(pattern) do
count = count + 1
print(file)
end
if count > 0 then print("") end
print("Count:", count)
end
}
local fn = actions[action]
if fn then
fn(unpack(argv))
else
print("Unknown action:", action)
end