consistently save/restore state when running tests

[?]

Jan 24, 2023, 4:29 AM

JOLUCIT6HFXFKYQ6PNGSNBF4GBYDA6ATVOITT2SYGJH7HBURTDDAC

Dependencies

[2] LYIV4YOL make run_test look like run_tests
[3] LSWOBVHD undo font changes when running tests
[4] D5J7IZAD debug helper: run a single test
[5] LRDM35CE app running again
[6] K7YGVRXH generalize the protocol to return errors, etc.
[7] JNJ4R56X support running tests multiple times
[8] 5ZCQGZP5 save 2 more alternate formats for test failures
[9] FFFJ54GJ restore globals after running tests
[10] S4IAYCIR delete all tests once they've executed
[11] 3BRGOF7N return failing tests with every code change
[12] OETGXCQM rename
[13] 2NTKHMLG configurable error handler when running tests
[14] FFMMA7L2 send Test_failures _before_ restoring globals
[15] BC4SO6AR clean up a print
[16] AVTNUQYR basic test-enabled framework
[17] FCFJVYKY redundant check
[18] ORRSP7FV deduce test names on failures
[19] D76AELSV deduplicate an initialization
[20] CZQ3NJ4N Merge text0
[21] IMEJA43L snapshot
[22] 3QMTXKWN rename
[*] 3QNOKBFM beginnings of a test harness

Change contents

edit in live.lua at line 282

[4.30]→[4.30:82](∅→∅),[4.82]→[3.9:112](∅→∅)

local globals = live.shallow_copy_all_globals()
local current_font = love.graphics.getFont()
love.graphics.setFont(Love_snapshot.initial_font)
edit in live.lua at line 285

[4.59]→[3.113:153](∅→∅),[4.59]→[4.83:121](∅→∅),[3.153]→[4.83:121](∅→∅),[4.100]→[4.83:121](∅→∅),[4.39]→[4.122:481](∅→∅)

love.graphics.setFont(current_font)
live.restore_all_globals(globals)
end
end

function live.shallow_copy_all_globals()
local result = {}
for k,v in pairs(_G) do
result[k] = v
end
return result
end

function live.restore_all_globals(x)
-- delete extra bindings
for k,v in pairs(_G) do
if x[k] == nil then
_G[k] = nil
end
end
-- restore previous bindings
for k,v in pairs(x) do
_G[k] = v
replacement in app.lua at line 431

[4.8001]→[4.1935:1959](∅→∅)

local saved_app = App

[4.8001]

[4.1959]

local globals = App.shallow_copy_all_globals()
edit in app.lua at line 433

[4.1981]

[4.8001]

local saved_font = love.graphics.getFont()
love.graphics.setFont(Love_snapshot.initial_font)
replacement in app.lua at line 440

[4.7554]→[4.18:36](∅→∅)

App = saved_app

[4.7554]

[4.36]

love.graphics.setFont(saved_font)
-- restore all global state except Test_errors
local test_errors = Test_errors
App.restore_all_globals(globals)
Test_errors = test_errors
replacement in app.lua at line 448

[2.63]→[4.69:93](∅→∅),[4.69]→[4.69:93](∅→∅)

local saved_app = App

[2.63]

[4.93]

local globals = App.shallow_copy_all_globals()
replacement in app.lua at line 450

[4.115]→[4.115:143](∅→∅),[4.143]→[2.64:123](∅→∅),[2.123]→[4.2065:2083](∅→∅),[4.175]→[4.2065:2083](∅→∅),[4.187]→[4.2065:2083](∅→∅),[4.221]→[4.2065:2083](∅→∅),[4.7564]→[4.2065:2083](∅→∅)

App.initialize_for_test()
xpcall(test, function(err) record_error_fn('', err) end)
App = saved_app

[4.115]

[4.7564]

local saved_font = love.graphics.getFont()
love.graphics.setFont(Love_snapshot.initial_font)
App.initialize_for_test()
xpcall(test, function(err) record_error_fn('', err) end)
love.graphics.setFont(saved_font)
-- restore all global state except Test_errors
local test_errors = Test_errors
App.restore_all_globals(globals)
Test_errors = test_errors
end

function App.shallow_copy_all_globals()
local result = {}
for k,v in pairs(_G) do
result[k] = v
end
return result
end

function App.restore_all_globals(x)
-- delete extra bindings
for k,v in pairs(_G) do
if x[k] == nil then
_G[k] = nil
end
end
-- restore previous bindings
for k,v in pairs(x) do
_G[k] = v
end