skins and skin studio

tests/drivers/skin_studio_play_test.lua

@@ -0,0 +1,57 @@
+-- Driver: presses Play in the Skin Studio the way the button does, then keeps
+-- drawing and pumping update so the deferred handoff runs.  Regression cover
+-- for the crash where Play unloaded the studio inside its own draw pass.
+--   POKEPORT_DRIVER=tests/drivers/skin_studio_play_test.lua love .
+return function(game)
+  local U = dofile("tests/drivers/util.lua")
+  local Studio = require("src.ui.SkinStudio")
+
+  love.window.setMode(1280, 720, { resizable = true, highdpi = true })
+  U.wait(2)
+
+  local booted, bootVersion = false, nil
+  Studio.load({
+    version = "red",
+    onClose = function() end,
+    onPlay = function(v)
+      -- what main.lua's handler does: unload, then boot
+      Studio.unload()
+      booted, bootVersion = true, v
+    end,
+  })
+  U.wait(3)
+  U.log("loaded skin:", Studio.skin and Studio.skin.id)
+
+  Studio.skinIdField = "play_probe"
+
+  -- press Play exactly as the inspector button does
+  Studio.play()
+  U.log("after play(): pendingPlay =", tostring(Studio.pendingPlay),
+        "skin alive =", tostring(Studio.skin ~= nil), "booted =", tostring(booted))
+  U.log("status:", tostring(Studio.status))
+
+  -- the frame that queued the handoff must still draw
+  local okDraw, errDraw = pcall(Studio.draw)
+  U.log("draw on the click frame:", okDraw, errDraw or "")
+
+  -- now the deferred handoff
+  local okUp, errUp = pcall(Studio.update, 1 / 60)
+  U.log("update handoff:", okUp, errUp or "")
+  U.log("booted =", tostring(booted), "version =", tostring(bootVersion),
+        "skin =", tostring(Studio.skin))
+
+  -- and a draw after teardown, which is what actually crashed before
+  local okAfter, errAfter = pcall(Studio.draw)
+  U.log("draw after teardown:", okAfter, errAfter or "")
+
+  local okUp2 = pcall(Studio.update, 1 / 60)
+  U.log("second update:", okUp2, "booted still once =", tostring(booted))
+
+  if okDraw and okUp and okAfter and booted then
+    U.log("RESULT pass")
+  else
+    U.log("RESULT FAIL")
+  end
+  love.event.quit()
+  while true do coroutine.yield() end
+end