dfhack/test/main.lua

344 lines
9.9 KiB
Lua

local json = require 'json'
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local script = require 'gui.script'
local utils = require 'utils'
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local args = {...}
local done_command = args[1]
local CONFIG_FILE = 'test_config.json'
local STATUS_FILE = 'test_status.json'
local TestStatus = {
PENDING = 'pending',
PASSED = 'passed',
FAILED = 'failed',
}
local VALID_MODES = utils.invert{'none', 'title', 'fortress'}
expect = {}
function expect.true_(value, comment)
return not not value, comment, 'expected true, got ' .. tostring(value)
end
function expect.false_(value, comment)
return not value, comment, 'expected false, got ' .. tostring(value)
end
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function expect.fail(comment)
return false, comment or 'check failed, no reason provided'
end
function expect.nil_(value, comment)
return value == nil, comment, 'expected nil, got ' .. tostring(value)
end
function expect.eq(a, b, comment)
return a == b, comment, ('%s ~= %s'):format(a, b)
end
function expect.ne(a, b, comment)
return a ~= b, comment, ('%s == %s'):format(a, b)
end
function expect.lt(a, b, comment)
return a < b, comment, ('%s >= %s'):format(a, b)
end
function expect.le(a, b, comment)
return a <= b, comment, ('%s > %s'):format(a, b)
end
function expect.gt(a, b, comment)
return a > b, comment, ('%s <= %s'):format(a, b)
end
function expect.ge(a, b, comment)
return a >= b, comment, ('%s < %s'):format(a, b)
end
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function expect.table_eq(a, b, comment)
local checked = {}
for k, v in pairs(a) do
if a[k] ~= b[k] then
return false, comment, ('key "%s": %s ~= %s'):format(k, a[k], b[k])
end
checked[k] = true
end
for k in pairs(b) do
if not checked[k] then
return false, comment, ('key "%s": %s ~= %s'):format(k, a[k], b[k])
end
end
return true
end
function expect.error(func, ...)
local ok, ret = pcall(func, ...)
if ok then
return false, 'no error raised by function call'
else
return true
end
end
function expect.error_match(func, matcher, ...)
local ok, err = pcall(func, ...)
if ok then
return false, 'no error raised by function call'
elseif type(matcher) == 'string' then
if not tostring(err):match(matcher) then
return false, ('error "%s" did not match "%s"'):format(err, matcher)
end
elseif not matcher(err) then
return false, ('error "%s" did not satisfy matcher'):format(err)
end
return true
end
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function expect.pairs_contains(table, key, comment)
for k, v in pairs(table) do
if k == key then
return true
end
end
return false, comment, ('could not find key "%s" in table'):format(key)
end
function expect.not_pairs_contains(table, key, comment)
for k, v in pairs(table) do
if k == key then
return false, comment, ('found key "%s" in table'):format(key)
end
end
return true
end
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function delay(frames)
frames = frames or 1
script.sleep(frames, 'frames')
end
function ensure_title_screen()
if df.viewscreen_titlest:is_instance(dfhack.gui.getCurViewscreen()) then
return
end
print('Looking for title screen...')
for i = 0, 100 do
local scr = dfhack.gui.getCurViewscreen()
if df.viewscreen_titlest:is_instance(scr) then
print('Found title screen')
break
else
scr:feed_key(df.interface_key.LEAVESCREEN)
delay(10)
end
end
if not df.viewscreen_titlest:is_instance(dfhack.gui.getCurViewscreen()) then
error('Could not find title screen')
end
end
local MODE_NAVIGATE_FNS = {
none = function() end,
title = ensure_title_screen,
}
function load_test_config(config_file)
local config = {}
if dfhack.filesystem.isfile(config_file) then
config = json.decode_file(config_file)
end
if not config.test_dir then
config.test_dir = dfhack.getHackPath() .. 'scripts/test'
end
if not dfhack.filesystem.isdir(config.test_dir) then
error('Invalid test folder: ' .. config.test_dir)
end
return config
end
function build_test_env()
local env = {
test = utils.OrderedTable(),
config = {
mode = 'none',
},
expect = {},
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delay = delay,
}
local private = {
checks = 0,
checks_ok = 0,
}
for name, func in pairs(expect) do
env.expect[name] = function(...)
private.checks = private.checks + 1
local ret = {func(...)}
local ok = table.remove(ret, 1)
local msg = ''
for _, part in pairs(ret) do
if part then
msg = msg .. ': ' .. tostring(part)
end
end
msg = msg:sub(3) -- strip leading ': '
if ok then
private.checks_ok = private.checks_ok + 1
else
dfhack.printerr('Check failed! ' .. (msg or '(no message)'))
local info = debug.getinfo(2)
dfhack.printerr((' at %s:%d'):format(info.short_src, info.currentline))
print('')
end
end
end
setmetatable(env, {__index = _G})
return env, private
end
function get_test_files(test_dir)
local files = {}
for _, entry in ipairs(dfhack.filesystem.listdir_recursive(test_dir)) do
if not entry.isdir and not entry.path:match('main.lua') then
table.insert(files, entry.path)
end
end
table.sort(files)
return files
end
function load_test_status()
if dfhack.filesystem.isfile(STATUS_FILE) then
return json.decode_file(STATUS_FILE)
end
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end
function save_test_status(status)
json.encode_file(status, STATUS_FILE)
end
function finish_tests()
if done_command then
dfhack.run_command(done_command)
end
end
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function load_tests(file, tests)
local short_filename = file:sub(file:find('test'), -1)
print('Loading file: ' .. short_filename)
local env, env_private = build_test_env()
local code, err = loadfile(file, 't', env)
if not code then
dfhack.printerr('Failed to load file: ' .. tostring(err))
return false
else
local ok, err = pcall(code)
if not ok then
dfhack.printerr('Error when running file: ' .. tostring(err))
return false
else
if not VALID_MODES[env.config.mode] then
dfhack.printerr('Invalid config.mode: ' .. tostring(env.config.mode))
return false
end
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for name, test_func in pairs(env.test) do
local test_data = {
full_name = short_filename .. ':' .. name,
func = test_func,
private = env_private,
config = env.config,
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}
test_data.name = test_data.full_name:gsub('test/', ''):gsub('.lua', '')
table.insert(tests, test_data)
end
end
end
return true
end
function sort_tests(tests)
-- to make sort stable
local test_index = utils.invert(tests)
table.sort(tests, function(a, b)
if a.config.mode ~= b.config.mode then
return VALID_MODES[a.config.mode] < VALID_MODES[b.config.mode]
else
return test_index[a] < test_index[b]
end
end)
end
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function run_test(test, status, counts)
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test.private.checks = 0
test.private.checks_ok = 0
counts.tests = counts.tests + 1
local ok, err = pcall(test.func)
local passed = false
if not ok then
dfhack.printerr('test errored: ' .. test.name .. ': ' .. tostring(err))
elseif test.private.checks ~= test.private.checks_ok then
dfhack.printerr('test failed: ' .. test.name)
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else
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print('test passed: ' .. test.name)
passed = true
counts.tests_ok = counts.tests_ok + 1
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end
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counts.checks = counts.checks + (tonumber(test.private.checks) or 0)
counts.checks_ok = counts.checks_ok + (tonumber(test.private.checks_ok) or 0)
return passed
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end
function main()
local config = load_test_config(CONFIG_FILE)
local files = get_test_files(config.test_dir)
local counts = {
tests = 0,
tests_ok = 0,
checks = 0,
checks_ok = 0,
file_errors = 0,
}
local passed = true
ensure_title_screen()
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print('Loading tests')
local tests = {}
for _, file in ipairs(files) do
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if not load_tests(file, tests) then
passed = false
counts.file_errors = counts.file_errors + 1
end
end
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print('Filtering tests')
if config.tests then
local orig_length = #tests
for i = #tests, 1, -1 do
for _, pattern in pairs(config.tests) do
if not tests[i].name:match(pattern) then
table.remove(tests, i)
end
end
end
print('Selected tests: ' .. #tests .. '/' .. orig_length)
end
local status = load_test_status() or {}
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for i = #tests, 1, -1 do
local test = tests[i]
if not status[test.full_name] then
status[test.full_name] = TestStatus.PENDING
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elseif status[test.full_name] ~= TestStatus.PENDING then
print('skipping test: ' .. test.name .. ': state = ' .. status[test.full_name] .. ')')
table.remove(tests, i)
end
end
sort_tests(tests)
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print('Running ' .. #tests .. ' tests')
for _, test in pairs(tests) do
MODE_NAVIGATE_FNS[test.config.mode]()
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local passed = run_test(test, status, counts)
status[test.full_name] = passed and TestStatus.PASSED or TestStatus.FAILED
save_test_status(status)
end
print('\nTest summary:')
print(('%d/%d tests passed'):format(counts.tests_ok, counts.tests))
print(('%d/%d checks passed'):format(counts.checks_ok, counts.checks))
print(('%d test files failed to load'):format(counts.file_errors))
end
script.start(function()
dfhack.with_finalize(finish_tests, main)
end)