Fix up the lua tests

To be less retarded...

processor/luahelper-test-xml.lua

@@ -1,87 +1,224 @@
+-- Load the helper script
 dofile("luahelper.lua")
--- Test cases for XML helper functions
 
--- Mock XML structure for testing
+-- Test helper function
-local testXML = {
+local function assert(condition, message)
+	if not condition then error("ASSERTION FAILED: " .. (message or "unknown error")) end
+end
+
+local function test(name, fn)
+	local ok, err = pcall(fn)
+	if ok then
+		print("PASS: " .. name)
+	else
+		print("FAIL: " .. name .. " - " .. tostring(err))
+	end
+end
+
+-- Test findElements
+test("findElements finds all matching elements recursively", function()
+	local testXML = {
 		_tag = "root",
-	_attr = {version = "1.0"},
 		_children = {
-		{
+			{ _tag = "item", _attr = { name = "sword" } },
-			_tag = "item",
+			{ _tag = "item", _attr = { name = "shield" } },
-			_attr = {name = "sword", damage = "10", weight = "5.5"},
-			_text = "Iron Sword"
-		},
-		{
-			_tag = "item",
-			_attr = {name = "shield", defense = "8"},
-			_children = {
-				{
-					_tag = "material",
-					_attr = {type = "steel", durability = "100"}
-				}
-			}
-		},
 			{
 				_tag = "container",
 				_children = {
-				{_tag = "item", _attr = {name = "potion", healing = "20"}},
+					{ _tag = "item", _attr = { name = "potion" } },
-				{_tag = "item", _attr = {name = "scroll"}}
+				},
+			},
+		},
 	}
-		}
+	local items = findElements(testXML, "item")
-	}
+	assert(#items == 3, "Should find 3 items total (recursive)")
-}
+	assert(items[1]._attr.name == "sword", "First item should be sword")
-
+	assert(items[3]._attr.name == "potion", "Third item should be potion (from nested)")
-print("=== XML Helper Functions Tests ===\n")
+end)
-
--- Test findElements
-print("1. Find all 'item' elements:")
-local items = findElements(testXML, "item")
-print("   Found " .. #items .. " items")
-for i, item in ipairs(items) do
-	print("   - " .. (item._attr.name or "unnamed"))
-end
 
 -- Test getNumAttr and setNumAttr
-print("\n2. Get/Set numeric attributes:")
+test("getNumAttr gets numeric attribute", function()
-local sword = items[1]
+	local elem = { _tag = "item", _attr = { damage = "10" } }
-local damage = getNumAttr(sword, "damage")
+	local damage = getNumAttr(elem, "damage")
-print("   Sword damage: " .. tostring(damage))
+	assert(damage == 10, "Should get damage as number")
-setNumAttr(sword, "damage", damage * 2)
+end)
-print("   After doubling: " .. sword._attr.damage)
+
+test("getNumAttr returns nil for missing attribute", function()
+	local elem = { _tag = "item", _attr = {} }
+	local damage = getNumAttr(elem, "damage")
+	assert(damage == nil, "Should return nil for missing attribute")
+end)
+
+test("setNumAttr sets numeric attribute", function()
+	local elem = { _tag = "item", _attr = {} }
+	setNumAttr(elem, "damage", 20)
+	assert(elem._attr.damage == "20", "Should set damage as string")
+end)
 
 -- Test modifyNumAttr
-print("\n3. Modify numeric attribute:")
+test("modifyNumAttr modifies numeric attribute", function()
-modifyNumAttr(sword, "weight", function(val) return val * 1.5 end)
+	local elem = { _tag = "item", _attr = { weight = "5.5" } }
-print("   Sword weight modified: " .. sword._attr.weight)
+	local modified = modifyNumAttr(elem, "weight", function(val) return val * 2 end)
+	assert(modified == true, "Should return true when modified")
+	assert(elem._attr.weight == "11.0", "Should double weight")
+end)
+
+test("modifyNumAttr returns false for missing attribute", function()
+	local elem = { _tag = "item", _attr = {} }
+	local modified = modifyNumAttr(elem, "weight", function(val) return val * 2 end)
+	assert(modified == false, "Should return false when attribute missing")
+end)
 
 -- Test filterElements
-print("\n4. Filter elements with 'healing' attribute:")
+test("filterElements filters by predicate", function()
-local healingItems = filterElements(testXML, function(elem)
+	local testXML = {
-	return hasAttr(elem, "healing")
+		_tag = "root",
+		_children = {
+			{ _tag = "item", _attr = { healing = "20" } },
+			{ _tag = "item", _attr = { damage = "10" } },
+			{ _tag = "item", _attr = { healing = "50" } },
+		},
+	}
+	local healingItems = filterElements(testXML, function(elem) return hasAttr(elem, "healing") end)
+	assert(#healingItems == 2, "Should find 2 healing items")
 end)
-print("   Found " .. #healingItems .. " healing items")
 
 -- Test visitElements
-print("\n5. Visit all elements:")
+test("visitElements visits all elements", function()
-local count = 0
+	local testXML = {
-visitElements(testXML, function(elem, depth, path)
+		_tag = "root",
-	count = count + 1
+		_children = {
-	if depth <= 2 then
+			{ _tag = "item" },
-		print("   " .. string.rep("  ", depth) .. elem._tag .. " @ " .. path)
+			{ _tag = "container", _children = {
-	end
+				{ _tag = "item" },
+			} },
+		},
+	}
+	local count = 0
+	visitElements(testXML, function(elem) count = count + 1 end)
+	assert(count == 4, "Should visit 4 elements (root + 2 items + container)")
 end)
-print("   Total elements visited: " .. count)
 
 -- Test getText and setText
-print("\n6. Text content:")
+test("getText gets text content", function()
-print("   Original text: " .. (getText(sword) or "none"))
+	local elem = { _tag = "item", _text = "Iron Sword" }
-setText(sword, "Modified Sword")
+	local text = getText(elem)
-print("   New text: " .. getText(sword))
+	assert(text == "Iron Sword", "Should get text content")
+end)
+
+test("setText sets text content", function()
+	local elem = { _tag = "item" }
+	setText(elem, "New Text")
+	assert(elem._text == "New Text", "Should set text content")
+end)
 
 -- Test hasAttr and getAttr
-print("\n7. Check attributes:")
+test("hasAttr checks attribute existence", function()
-print("   Sword has 'damage': " .. tostring(hasAttr(sword, "damage")))
+	local elem = { _tag = "item", _attr = { damage = "10" } }
-print("   Sword has 'magic': " .. tostring(hasAttr(sword, "magic")))
+	assert(hasAttr(elem, "damage") == true, "Should have damage")
-print("   Sword name: " .. (getAttr(sword, "name") or "none"))
+	assert(hasAttr(elem, "magic") == false, "Should not have magic")
+end)
 
-print("\n=== Tests Complete ===")
+test("getAttr gets attribute value", function()
+	local elem = { _tag = "item", _attr = { name = "sword" } }
+	assert(getAttr(elem, "name") == "sword", "Should get name attribute")
+	assert(getAttr(elem, "missing") == nil, "Should return nil for missing")
+end)
+
+test("setAttr sets attribute value", function()
+	local elem = { _tag = "item" }
+	setAttr(elem, "name", "sword")
+	assert(elem._attr.name == "sword", "Should set attribute")
+end)
+
+-- Test findFirstElement
+test("findFirstElement finds first direct child", function()
+	local parent = {
+		_tag = "root",
+		_children = {
+			{ _tag = "item", _attr = { id = "1" } },
+			{ _tag = "item", _attr = { id = "2" } },
+		},
+	}
+	local first = findFirstElement(parent, "item")
+	assert(first._attr.id == "1", "Should find first item")
+end)
+
+test("findFirstElement returns nil when not found", function()
+	local parent = { _tag = "root", _children = {} }
+	local result = findFirstElement(parent, "item")
+	assert(result == nil, "Should return nil when not found")
+end)
+
+-- Test getChildren
+test("getChildren gets all direct children with tag", function()
+	local parent = {
+		_tag = "root",
+		_children = {
+			{ _tag = "item", _attr = { id = "1" } },
+			{ _tag = "config" },
+			{ _tag = "item", _attr = { id = "2" } },
+		},
+	}
+	local items = getChildren(parent, "item")
+	assert(#items == 2, "Should get 2 items")
+	assert(items[1]._attr.id == "1", "First should have id=1")
+	assert(items[2]._attr.id == "2", "Second should have id=2")
+end)
+
+-- Test countChildren
+test("countChildren counts direct children with tag", function()
+	local parent = {
+		_tag = "root",
+		_children = {
+			{ _tag = "item" },
+			{ _tag = "config" },
+			{ _tag = "item" },
+		},
+	}
+	assert(countChildren(parent, "item") == 2, "Should count 2 items")
+	assert(countChildren(parent, "config") == 1, "Should count 1 config")
+end)
+
+-- Test addChild
+test("addChild adds child element", function()
+	local parent = { _tag = "root", _children = {} }
+	addChild(parent, { _tag = "item" })
+	assert(#parent._children == 1, "Should have 1 child")
+	assert(parent._children[1]._tag == "item", "Child should be item")
+end)
+
+test("addChild creates children array if needed", function()
+	local parent = { _tag = "root" }
+	addChild(parent, { _tag = "item" })
+	assert(parent._children ~= nil, "Should create _children")
+	assert(#parent._children == 1, "Should have 1 child")
+end)
+
+-- Test removeChildren
+test("removeChildren removes all matching children", function()
+	local parent = {
+		_tag = "root",
+		_children = {
+			{ _tag = "item" },
+			{ _tag = "config" },
+			{ _tag = "item" },
+		},
+	}
+	local removed = removeChildren(parent, "item")
+	assert(removed == 2, "Should remove 2 items")
+	assert(#parent._children == 1, "Should have 1 child left")
+	assert(parent._children[1]._tag == "config", "Remaining should be config")
+end)
+
+test("removeChildren returns 0 when none found", function()
+	local parent = {
+		_tag = "root",
+		_children = { { _tag = "item" } },
+	}
+	local removed = removeChildren(parent, "config")
+	assert(removed == 0, "Should remove 0")
+	assert(#parent._children == 1, "Should still have 1 child")
+end)
+
+print("\nAll tests completed!")

processor/luahelper.lua

@@ -363,9 +363,7 @@ function findElements(root, tagName)
 	local results = {}
 
 	local function search(element)
-		if element._tag == tagName then
+		if element._tag == tagName then table.insert(results, element) end
-			table.insert(results, element)
-		end
 		if element._children then
 			for _, child in ipairs(element._children) do
 				search(child)
@@ -409,9 +407,7 @@ end
 --- @param attrName string Attribute name
 --- @param value number Numeric value to set
 function setNumAttr(element, attrName, value)
-	if not element._attr then
+	if not element._attr then element._attr = {} end
-		element._attr = {}
-	end
 	element._attr[attrName] = tostring(value)
 end
 
@@ -436,9 +432,7 @@ end
 function filterElements(root, predicate)
 	local results = {}
 	visitElements(root, function(element)
-		if predicate(element) then
+		if predicate(element) then table.insert(results, element) end
-			table.insert(results, element)
-		end
 	end)
 	return results
 end
@@ -446,24 +440,18 @@ end
 --- Get text content of an element
 --- @param element table XML element
 --- @return string|nil The text content or nil
-function getText(element)
+function getText(element) return element._text end
-	return element._text
-end
 
 --- Set text content of an element
 --- @param element table XML element
 --- @param text string Text content to set
-function setText(element, text)
+function setText(element, text) element._text = text end
-	element._text = text
-end
 
 --- Check if element has an attribute
 --- @param element table XML element
 --- @param attrName string Attribute name
 --- @return boolean True if attribute exists
-function hasAttr(element, attrName)
+function hasAttr(element, attrName) return element._attr and element._attr[attrName] ~= nil end
-	return element._attr and element._attr[attrName] ~= nil
-end
 
 --- Get attribute value as string
 --- @param element table XML element
@@ -479,9 +467,7 @@ end
 --- @param attrName string Attribute name
 --- @param value any Value to set (will be converted to string)
 function setAttr(element, attrName, value)
-	if not element._attr then
+	if not element._attr then element._attr = {} end
-		element._attr = {}
-	end
 	element._attr[attrName] = tostring(value)
 end
 
@@ -492,9 +478,7 @@ end
 function findFirstElement(parent, tagName)
 	if not parent._children then return nil end
 	for _, child in ipairs(parent._children) do
-		if child._tag == tagName then
+		if child._tag == tagName then return child end
-			return child
-		end
 	end
 	return nil
 end
@@ -503,9 +487,7 @@ end
 --- @param parent table The parent XML element
 --- @param child table The child element to add
 function addChild(parent, child)
-	if not parent._children then
+	if not parent._children then parent._children = {} end
-		parent._children = {}
-	end
 	table.insert(parent._children, child)
 end
 
@@ -536,9 +518,7 @@ function getChildren(parent, tagName)
 	local results = {}
 	if not parent._children then return results end
 	for _, child in ipairs(parent._children) do
-		if child._tag == tagName then
+		if child._tag == tagName then table.insert(results, child) end
-			table.insert(results, child)
-		end
 	end
 	return results
 end
@@ -551,9 +531,7 @@ function countChildren(parent, tagName)
 	if not parent._children then return 0 end
 	local count = 0
 	for _, child in ipairs(parent._children) do
-		if child._tag == tagName then
+		if child._tag == tagName then count = count + 1 end
-			count = count + 1
-		end
 	end
 	return count
 end
@@ -584,9 +562,7 @@ end
 function findInJSON(data, predicate)
 	local results = {}
 	visitJSON(data, function(value, key, parent)
-		if predicate(value, key, parent) then
+		if predicate(value, key, parent) then table.insert(results, value) end
-			table.insert(results, value)
-		end
 	end)
 	return results
 end
@@ -598,9 +574,7 @@ end
 function modifyJSONNumbers(data, predicate, modifier)
 	visitJSON(data, function(value, key, parent)
 		if type(value) == "number" and predicate(value, key, parent) then
-			if parent and key then
+			if parent and key then parent[key] = modifier(value) end
-				parent[key] = modifier(value)
-			end
 		end
 	end)
 end