dfhack/ci/test.lua

432 lines
14 KiB
Lua

-- DFHack developer test harness
--@ module = true
local expect = require 'test.expect'
local json = require 'json'
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local script = require 'gui.script'
local utils = require 'utils'
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local help_text =
[====[
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test
====
Run DFHack tests.
Usage:
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test [<options>] [<done_command>]
If a done_command is specified, it will be run after the tests complete.
Options:
-h, --help display this help message and exit.
-d, --test_dir specifies which directory to look in for tests. defaults to
the "hack/scripts/test" folder in your DF installation.
-m, --modes only run tests in the given comma separated list of modes.
valid modes are 'none' (test can be run on any screen) and
'title' (test must be run on the DF title screen). if not
specified, no modes are filtered.
-r, --resume skip tests that have already been run. remove the
test_status.json file to reset the record.
-t, --tests only run tests that match one of the comma separated list of
patterns. if not specified, no tests are filtered.
Examples:
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test runs all tests
test -r runs all tests that haven't been run before
test -m none runs tests that don't need the game to be in a
specific mode
test -t quickfort runs quickfort tests
test -d /path/to/dfhack-scripts/repo/test
runs tests in your dev scripts repo
Default values for the options may be set in a file named test_config.json in
your DF folder. Options with comma-separated values should be written as json
arrays. For example:
{
"test_dir": "/home/myk/src/dfhack-scripts/test",
"modes": [ "none" ],
"tests": [ "quickfort", "devel" ],
"done_command": "devel/luacov -c"
}
]====]
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'}
local function delay(frames)
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frames = frames or 1
script.sleep(frames, 'frames')
end
local function clean_require(module)
-- wrapper around require() - forces a clean load of every module to ensure
-- that modules checking for dfhack.internal.IN_TEST at load time behave
-- properly
if package.loaded[module] then
reload(module)
end
return require(module)
end
-- forces clean load of scripts directly or indirectly included from the test
-- file. we use our own scripts table instead of the one in dfhack.internal so
-- we don't affect the state scripts that are used outside the test harness.
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local test_scripts = {}
local test_envvars = {}
local function clean_reqscript(name)
local path = dfhack.findScript(name)
if test_scripts[path] then return test_scripts[path].env end
local _, env = dfhack.run_script_with_env(
test_envvars,
name,
{
scripts=test_scripts,
module=true,
module_strict=true
})
return env
end
test_envvars.require = clean_require
test_envvars.reqscript = clean_reqscript
local 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,
}
local 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
return config
end
local function build_test_env()
local env = {
test = utils.OrderedTable(),
config = {
mode = 'none',
},
expect = {},
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delay = delay,
require = clean_require,
reqscript = clean_reqscript,
}
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
local function get_test_files(test_dir)
local files = {}
print('Loading tests from ' .. test_dir)
for _, entry in ipairs(dfhack.filesystem.listdir_recursive(test_dir)) do
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if not entry.isdir then
table.insert(files, entry.path)
end
end
table.sort(files)
return files
end
local function load_test_status()
if dfhack.filesystem.isfile(STATUS_FILE) then
return json.decode_file(STATUS_FILE)
end
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end
local function save_test_status(status)
json.encode_file(status, STATUS_FILE)
end
local function finish_tests(done_command)
dfhack.internal.IN_TEST = false
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if done_command and #done_command > 0 then
dfhack.run_command(done_command)
end
end
local function load_tests(file, tests)
local short_filename = file:sub((file:find('test') or -4)+5, -1)
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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
dfhack.internal.IN_TEST = true
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local ok, err = pcall(code)
dfhack.internal.IN_TEST = false
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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
local 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
local function run_test(test, status, counts)
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test.private.checks = 0
test.private.checks_ok = 0
counts.tests = counts.tests + 1
dfhack.internal.IN_TEST = true
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local ok, err = pcall(test.func)
dfhack.internal.IN_TEST = false
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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
local function get_tests(test_files, counts)
local tests = {}
for _, file in ipairs(test_files) do
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if not load_tests(file, tests) then
counts.file_errors = counts.file_errors + 1
end
end
return tests
end
local function filter_tests(tests, config)
if config.tests or config.modes then
for _,filter in ipairs({{'tests', 'name pattern'},{'modes', 'mode'}}) do
if config[filter[1]] and #config[filter[1]] > 0 then
print(string.format('Filtering tests by %s:', filter[2]))
for _,v in ipairs(config[filter[1]]) do
print(string.format(' %s', v))
end
end
end
local orig_length = #tests
for i = #tests, 1, -1 do
local remove = false
if config.modes then
remove = true
-- allow test if it matches any of the given modes
for _, mode in pairs(config.modes) do
if tests[i].config.mode == mode then
remove = false
break
end
end
end
if config.tests and not remove then
remove = true
-- allow test if it matches any of the given patterns
for _, pattern in pairs(config.tests) do
if tests[i].name:match(pattern) then
remove = false
break
end
end
end
if remove then table.remove(tests, i) end
end
print('Selected tests: ' .. #tests .. '/' .. orig_length)
end
local status = {}
if config.resume then
status = load_test_status() or status
for i = #tests, 1, -1 do
local test = tests[i]
if not status[test.full_name] then
status[test.full_name] = TestStatus.PENDING
elseif status[test.full_name] ~= TestStatus.PENDING then
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print(('skipping test: %s: state = %s'):format(
test.name, status[test.full_name]))
table.remove(tests, i)
end
end
end
sort_tests(tests)
return status
end
local function run_tests(tests, status, counts)
print(('Running %d tests'):format(#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
local function print_summary_line(ok, message)
local print_fn = print
if not ok then
status['*'] = TestStatus.FAILED
print_fn = dfhack.printerr
end
print_fn(message)
end
status['*'] = status['*'] or TestStatus.PASSED
print('\nTest summary:')
print_summary_line(counts.tests_ok == counts.tests,
('%d/%d tests passed'):format(counts.tests_ok, counts.tests))
print_summary_line(counts.checks_ok == counts.checks,
('%d/%d checks passed'):format(counts.checks_ok, counts.checks))
print_summary_line(counts.file_errors == 0,
('%d test files failed to load'):format(counts.file_errors))
save_test_status(status)
end
local function main(args)
local help, resume, test_dir, mode_filter, test_filter =
false, false, nil, {}, {}
local other_args = utils.processArgsGetopt(args, {
{'h', 'help', handler=function() help = true end},
{'d', 'test_dir', hasArg=true,
handler=function(arg) test_dir = arg end},
{'m', 'modes', hasArg=true,
handler=function(arg) mode_filter = arg:split(',') end},
{'r', 'resume', handler=function() resume = true end},
{'t', 'tests', hasArg=true,
handler=function(arg) test_filter = arg:split(',') end},
})
if help then print(help_text) return end
local done_command = table.concat(other_args, ' ')
local config = load_test_config(CONFIG_FILE)
-- override config with any params specified on the commandline
if test_dir then config.test_dir = test_dir end
if resume then config.resume = true end
if #mode_filter > 0 then config.modes = mode_filter end
if #test_filter > 0 then config.tests = test_filter end
if #done_command > 0 then config.done_command = done_command end
if not dfhack.filesystem.isdir(config.test_dir) then
qerror(('Invalid test folder: "%s"'):format(config.test_dir))
end
local counts = {
tests = 0,
tests_ok = 0,
checks = 0,
checks_ok = 0,
file_errors = 0,
}
local test_files = get_test_files(config.test_dir)
local tests = get_tests(test_files, counts)
local status = filter_tests(tests, config)
script.start(function()
dfhack.call_with_finalizer(1, true,
finish_tests, config.done_command,
run_tests, tests, status, counts)
end)
end
if not dfhack_flags.module then
main({...})
end