test: add spec for Menu.itemTableFromTouchMenu

spec/unit/widget_menu_spec.lua

@@ -0,0 +1,35 @@
+require("commonrequire")
+local Menu = require("ui/widget/menu")
+local DEBUG = require("dbg")
+
+describe("Menu widget", function()
+    it("should convert item table from touch menu properly", function()
+        local cb1 = function() end
+        local cb2 = function() end
+        re = Menu.itemTableFromTouchMenu({
+            navi = {
+                icon = 'foo/bar.png',
+                { text = 'foo', callback = cb1 },
+                { text = 'bar', callback = cb2 },
+            },
+            exit = {
+                icon = 'foo/bar2.png',
+                callback = cb2
+            },
+        })
+        assert.are.same(re, {
+            {
+                text = 'navi',
+                sub_item_table = {
+                    icon = 'foo/bar.png',
+                    { text = 'foo', callback = cb1 },
+                    { text = 'bar', callback = cb2 },
+                }
+            },
+            {
+                text = 'exit',
+                callback = cb2,
+            }
+        })
+    end)
+end)