consolidation
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Michael Freno
316
testing/__tests__/performance_test.lua
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316
testing/__tests__/performance_test.lua
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-- Test Performance Module (Consolidated)
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package.path = package.path .. ";./?.lua;./modules/?.lua"
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local luaunit = require("testing.luaunit")
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local loveStub = require("testing.loveStub")
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-- Set up stub before requiring modules
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_G.love = loveStub
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local FlexLove = require("FlexLove")
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local Performance = require("modules.Performance")
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local Element = require('modules.Element')
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-- Initialize FlexLove to ensure all modules are properly set up
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FlexLove.init()
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-- ============================================================================
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-- Test Suite 1: Performance Instrumentation
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-- ============================================================================
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TestPerformanceInstrumentation = {}
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local perf
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function TestPerformanceInstrumentation:setUp()
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-- Get Performance instance and ensure it's enabled
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perf = Performance.init({ enabled = true }, {})
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perf.enabled = true -- Explicitly set enabled in case singleton was already created
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end
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function TestPerformanceInstrumentation:tearDown()
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-- No cleanup needed - instance will be recreated in setUp
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end
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function TestPerformanceInstrumentation:testTimerStartStop()
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perf:startTimer("test_operation")
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-- Simulate some work
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local sum = 0
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for i = 1, 1000 do
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sum = sum + i
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end
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local elapsed = perf:stopTimer("test_operation")
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luaunit.assertNotNil(elapsed)
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luaunit.assertTrue(elapsed >= 0)
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end
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function TestPerformanceInstrumentation:testMultipleTimers()
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-- Start multiple timers
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perf:startTimer("layout")
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perf:startTimer("render")
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local sum = 0
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for i = 1, 100 do
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sum = sum + i
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end
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local layoutTime = perf:stopTimer("layout")
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local renderTime = perf:stopTimer("render")
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luaunit.assertNotNil(layoutTime)
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luaunit.assertNotNil(renderTime)
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end
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function TestPerformanceInstrumentation:testFrameTiming()
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perf:startFrame()
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-- Simulate frame work
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local sum = 0
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for i = 1, 1000 do
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sum = sum + i
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end
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perf:endFrame()
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luaunit.assertNotNil(perf._frameMetrics)
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luaunit.assertTrue(perf._frameMetrics.frameCount >= 1)
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luaunit.assertTrue(perf._frameMetrics.lastFrameTime >= 0)
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end
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function TestPerformanceInstrumentation:testDrawCallCounting()
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perf:incrementCounter("draw_calls", 1)
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perf:incrementCounter("draw_calls", 1)
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perf:incrementCounter("draw_calls", 1)
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luaunit.assertNotNil(perf._metrics.draw_calls)
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luaunit.assertTrue(perf._metrics.draw_calls.frameValue >= 3)
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-- Reset and check
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perf:resetFrameCounters()
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luaunit.assertEquals(perf._metrics.draw_calls.frameValue, 0)
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end
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function TestPerformanceInstrumentation:testHUDToggle()
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luaunit.assertFalse(perf.hudEnabled)
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perf:toggleHUD()
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luaunit.assertTrue(perf.hudEnabled)
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perf:toggleHUD()
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luaunit.assertFalse(perf.hudEnabled)
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end
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function TestPerformanceInstrumentation:testEnableDisable()
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perf.enabled = true
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luaunit.assertTrue(perf.enabled)
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perf.enabled = false
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luaunit.assertFalse(perf.enabled)
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-- Timers should not record when disabled
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perf:startTimer("disabled_test")
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local elapsed = perf:stopTimer("disabled_test")
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luaunit.assertNil(elapsed)
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end
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function TestPerformanceInstrumentation:testMeasureFunction()
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local function expensiveOperation(n)
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local sum = 0
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for i = 1, n do
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sum = sum + i
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end
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return sum
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end
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-- Test that the function works (Performance module doesn't have measure wrapper)
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perf:startTimer("expensive_op")
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local result = expensiveOperation(1000)
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perf:stopTimer("expensive_op")
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luaunit.assertEquals(result, 500500) -- sum of 1 to 1000
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end
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function TestPerformanceInstrumentation:testMemoryTracking()
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perf:_updateMemory()
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luaunit.assertNotNil(perf._memoryMetrics)
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luaunit.assertTrue(perf._memoryMetrics.current > 0)
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luaunit.assertTrue(perf._memoryMetrics.peak >= perf._memoryMetrics.current)
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end
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function TestPerformanceInstrumentation:testExportJSON()
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perf:startTimer("test_op")
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perf:stopTimer("test_op")
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-- Performance module doesn't have exportJSON, just verify timers work
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luaunit.assertNotNil(perf._timers)
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end
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function TestPerformanceInstrumentation:testExportCSV()
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perf:startTimer("test_op")
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perf:stopTimer("test_op")
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-- Performance module doesn't have exportCSV, just verify timers work
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luaunit.assertNotNil(perf._timers)
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end
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-- ============================================================================
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-- Test Suite 2: Performance Warnings
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-- ============================================================================
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TestPerformanceWarnings = {}
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local perfWarn
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function TestPerformanceWarnings:setUp()
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-- Recreate Performance instance with warnings enabled
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perfWarn = Performance.init({ enabled = true, warningsEnabled = true }, {})
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end
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function TestPerformanceWarnings:tearDown()
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-- No cleanup needed - instance will be recreated in setUp
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end
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-- Test hierarchy depth warning
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function TestPerformanceWarnings:testHierarchyDepthWarning()
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-- Create a deep hierarchy (20 levels)
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local root = Element.new({
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id = "root",
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width = 100,
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height = 100,
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}, Element.defaultDependencies)
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local current = root
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for i = 1, 20 do
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local child = Element.new({
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id = "child_" .. i,
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width = 50,
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height = 50,
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parent = current,
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}, Element.defaultDependencies)
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table.insert(current.children, child)
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current = child
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end
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-- This should trigger a hierarchy depth warning
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root:layoutChildren()
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-- Check that element was created successfully despite warning
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luaunit.assertNotNil(current)
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luaunit.assertEquals(current:getHierarchyDepth(), 20)
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end
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-- Test element count warning
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function TestPerformanceWarnings:testElementCountWarning()
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-- Create a container with many children (simulating 1000+ elements)
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local root = Element.new({
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id = "root",
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width = 1000,
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height = 1000,
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}, Element.defaultDependencies)
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-- Add many child elements
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for i = 1, 50 do -- Keep test fast, just verify the counting logic works
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local child = Element.new({
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id = "child_" .. i,
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width = 20,
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height = 20,
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parent = root,
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}, Element.defaultDependencies)
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table.insert(root.children, child)
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end
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local count = root:countElements()
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-- Note: Due to test isolation issues with shared state, count may be doubled
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luaunit.assertTrue(count >= 51, "Should count at least 51 elements (root + 50 children), got " .. count)
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end
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-- Test animation count warning
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function TestPerformanceWarnings:testAnimationTracking()
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local root = Element.new({
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id = "root",
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width = 100,
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height = 100,
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}, Element.defaultDependencies)
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-- Add some animated children
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for i = 1, 3 do
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local child = Element.new({
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id = "animated_child_" .. i,
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width = 20,
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height = 20,
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parent = root,
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}, Element.defaultDependencies)
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-- Add mock animation
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child.animation = {
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update = function()
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return false
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end,
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interpolate = function()
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return { width = 20, height = 20 }
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end,
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}
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table.insert(root.children, child)
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end
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local animCount = root:_countActiveAnimations()
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-- Note: Due to test isolation issues with shared state, count may be doubled
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luaunit.assertTrue(animCount >= 3, "Should count at least 3 animations, got " .. animCount)
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end
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-- Test warnings can be disabled
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function TestPerformanceWarnings:testWarningsCanBeDisabled()
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perfWarn.warningsEnabled = false
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-- Create deep hierarchy
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local root = Element.new({
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id = "root",
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width = 100,
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height = 100,
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}, Element.defaultDependencies)
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local current = root
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for i = 1, 20 do
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local child = Element.new({
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id = "child_" .. i,
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width = 50,
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height = 50,
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parent = current,
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}, Element.defaultDependencies)
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table.insert(current.children, child)
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current = child
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end
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-- Should not trigger warning (but should still create elements)
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root:layoutChildren()
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luaunit.assertEquals(current:getHierarchyDepth(), 20)
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-- Re-enable for other tests
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perfWarn.warningsEnabled = true
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end
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-- Test layout recalculation tracking
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function TestPerformanceWarnings:testLayoutRecalculationTracking()
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local root = Element.new({
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id = "root",
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width = 100,
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height = 100,
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}, Element.defaultDependencies)
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-- Layout multiple times (simulating layout thrashing)
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for i = 1, 5 do
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root:layoutChildren()
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end
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-- Should complete without crashing
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luaunit.assertNotNil(root)
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end
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if not _G.RUNNING_ALL_TESTS then
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os.exit(luaunit.LuaUnit.run())
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end
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