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esengine/packages/core/tests/Utils/Profiler/ProfilerSDK.test.ts

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import { ProfilerSDK } from '../../../src/Utils/Profiler/ProfilerSDK';
import {
ProfileCategory,
DEFAULT_PROFILER_CONFIG
} from '../../../src/Utils/Profiler/ProfilerTypes';
describe('ProfilerSDK', () => {
beforeEach(() => {
ProfilerSDK.reset();
ProfilerSDK.setEnabled(true);
});
afterEach(() => {
ProfilerSDK.reset();
});
describe('Configuration', () => {
test('should be disabled by default after resetInstance', () => {
ProfilerSDK.resetInstance();
expect(ProfilerSDK.isEnabled()).toBe(false);
});
test('should enable and disable correctly', () => {
ProfilerSDK.setEnabled(true);
expect(ProfilerSDK.isEnabled()).toBe(true);
ProfilerSDK.setEnabled(false);
expect(ProfilerSDK.isEnabled()).toBe(false);
});
test('should use default config values', () => {
expect(DEFAULT_PROFILER_CONFIG.enabled).toBe(false);
expect(DEFAULT_PROFILER_CONFIG.maxFrameHistory).toBe(300);
expect(DEFAULT_PROFILER_CONFIG.maxSampleDepth).toBe(32);
expect(DEFAULT_PROFILER_CONFIG.collectMemory).toBe(true);
expect(DEFAULT_PROFILER_CONFIG.detectLongTasks).toBe(true);
expect(DEFAULT_PROFILER_CONFIG.longTaskThreshold).toBe(50);
});
});
describe('Sample Operations', () => {
test('should begin and end sample', () => {
ProfilerSDK.beginFrame();
const handle = ProfilerSDK.beginSample('TestSample', ProfileCategory.Custom);
expect(handle).not.toBeNull();
expect(handle?.name).toBe('TestSample');
expect(handle?.category).toBe(ProfileCategory.Custom);
ProfilerSDK.endSample(handle);
ProfilerSDK.endFrame();
const frame = ProfilerSDK.getCurrentFrame();
expect(frame).not.toBeNull();
expect(frame?.samples.length).toBeGreaterThan(0);
});
test('should handle nested samples', () => {
ProfilerSDK.beginFrame();
const outerHandle = ProfilerSDK.beginSample('OuterSample', ProfileCategory.ECS);
const innerHandle = ProfilerSDK.beginSample('InnerSample', ProfileCategory.Script);
expect(innerHandle?.depth).toBe(1);
expect(innerHandle?.parentId).toBe(outerHandle?.id);
ProfilerSDK.endSample(innerHandle);
ProfilerSDK.endSample(outerHandle);
ProfilerSDK.endFrame();
const frame = ProfilerSDK.getCurrentFrame();
expect(frame?.samples.length).toBe(2);
});
test('should return null when disabled', () => {
ProfilerSDK.setEnabled(false);
const handle = ProfilerSDK.beginSample('TestSample');
expect(handle).toBeNull();
});
test('should handle null handle in endSample gracefully', () => {
expect(() => ProfilerSDK.endSample(null)).not.toThrow();
});
});
describe('measure() wrapper', () => {
test('should measure synchronous function execution', () => {
ProfilerSDK.beginFrame();
const result = ProfilerSDK.measure('TestFunction', () => {
let sum = 0;
for (let i = 0; i < 100; i++) sum += i;
return sum;
}, ProfileCategory.Script);
ProfilerSDK.endFrame();
expect(result).toBe(4950);
const frame = ProfilerSDK.getCurrentFrame();
const sample = frame?.samples.find((s) => s.name === 'TestFunction');
expect(sample).toBeDefined();
expect(sample?.category).toBe(ProfileCategory.Script);
});
test('should propagate exceptions from measured function', () => {
ProfilerSDK.beginFrame();
expect(() => {
ProfilerSDK.measure('ThrowingFunction', () => {
throw new Error('Test error');
});
}).toThrow('Test error');
ProfilerSDK.endFrame();
});
test('should still record sample even when function throws', () => {
ProfilerSDK.beginFrame();
try {
ProfilerSDK.measure('ThrowingFunction', () => {
throw new Error('Test error');
});
} catch {
// Expected
}
ProfilerSDK.endFrame();
const frame = ProfilerSDK.getCurrentFrame();
const sample = frame?.samples.find((s) => s.name === 'ThrowingFunction');
expect(sample).toBeDefined();
});
});
describe('Frame Operations', () => {
test('should track frame numbers', () => {
ProfilerSDK.beginFrame();
ProfilerSDK.endFrame();
ProfilerSDK.beginFrame();
ProfilerSDK.endFrame();
const frame = ProfilerSDK.getCurrentFrame();
expect(frame?.frameNumber).toBe(2);
});
test('should calculate frame duration', () => {
ProfilerSDK.beginFrame();
// Simulate some work
const start = performance.now();
while (performance.now() - start < 5) {
// busy wait for ~5ms
}
ProfilerSDK.endFrame();
const frame = ProfilerSDK.getCurrentFrame();
expect(frame?.duration).toBeGreaterThan(0);
});
test('should collect category stats', () => {
ProfilerSDK.beginFrame();
const ecsHandle = ProfilerSDK.beginSample('ECSSystem', ProfileCategory.ECS);
ProfilerSDK.endSample(ecsHandle);
const renderHandle = ProfilerSDK.beginSample('Render', ProfileCategory.Rendering);
ProfilerSDK.endSample(renderHandle);
ProfilerSDK.endFrame();
const frame = ProfilerSDK.getCurrentFrame();
expect(frame?.categoryStats.size).toBeGreaterThan(0);
});
test('should maintain frame history', () => {
for (let i = 0; i < 5; i++) {
ProfilerSDK.beginFrame();
ProfilerSDK.endFrame();
}
const history = ProfilerSDK.getFrameHistory();
expect(history.length).toBe(5);
});
});
describe('Counter Operations', () => {
test('should increment counter without error', () => {
// Test that counter operations don't throw
expect(() => {
ProfilerSDK.incrementCounter('draw_calls', 1, ProfileCategory.Rendering);
ProfilerSDK.incrementCounter('draw_calls', 1, ProfileCategory.Rendering);
ProfilerSDK.incrementCounter('draw_calls', 5, ProfileCategory.Rendering);
}).not.toThrow();
});
test('should set gauge value without error', () => {
// Test that gauge operations don't throw
expect(() => {
ProfilerSDK.setGauge('entity_count', 100, ProfileCategory.ECS);
ProfilerSDK.setGauge('entity_count', 150, ProfileCategory.ECS);
}).not.toThrow();
});
test('should track counters in frame', () => {
ProfilerSDK.incrementCounter('test_counter', 5, ProfileCategory.Custom);
ProfilerSDK.beginFrame();
ProfilerSDK.endFrame();
const frame = ProfilerSDK.getCurrentFrame();
// Frame should exist and have counters map
expect(frame).toBeDefined();
expect(frame?.counters).toBeDefined();
});
});
describe('Report Generation', () => {
test('should generate report with hotspots', () => {
ProfilerSDK.beginFrame();
const handle1 = ProfilerSDK.beginSample('SlowFunction', ProfileCategory.Script);
ProfilerSDK.endSample(handle1);
const handle2 = ProfilerSDK.beginSample('FastFunction', ProfileCategory.Script);
ProfilerSDK.endSample(handle2);
ProfilerSDK.endFrame();
const report = ProfilerSDK.getReport();
expect(report).toBeDefined();
expect(report.totalFrames).toBe(1);
expect(report.hotspots.length).toBeGreaterThan(0);
});
test('should calculate frame time statistics', () => {
for (let i = 0; i < 10; i++) {
ProfilerSDK.beginFrame();
// Simulate varying frame times
const start = performance.now();
while (performance.now() - start < (i + 1)) {
// busy wait
}
ProfilerSDK.endFrame();
}
const report = ProfilerSDK.getReport();
expect(report.averageFrameTime).toBeGreaterThan(0);
expect(report.minFrameTime).toBeLessThanOrEqual(report.averageFrameTime);
expect(report.maxFrameTime).toBeGreaterThanOrEqual(report.averageFrameTime);
});
test('should generate report with limited frame count', () => {
for (let i = 0; i < 100; i++) {
ProfilerSDK.beginFrame();
ProfilerSDK.endFrame();
}
const report = ProfilerSDK.getReport(10);
expect(report.totalFrames).toBe(10);
});
test('should build call graph', () => {
ProfilerSDK.beginFrame();
const parentHandle = ProfilerSDK.beginSample('Parent', ProfileCategory.Script);
const childHandle = ProfilerSDK.beginSample('Child', ProfileCategory.Script);
ProfilerSDK.endSample(childHandle);
ProfilerSDK.endSample(parentHandle);
ProfilerSDK.endFrame();
const report = ProfilerSDK.getReport();
// Call graph should contain at least the sampled functions
expect(report.callGraph.size).toBeGreaterThanOrEqual(0);
// Verify samples were recorded
const frame = ProfilerSDK.getCurrentFrame();
expect(frame?.samples.length).toBe(2);
expect(frame?.samples.some((s) => s.name === 'Parent')).toBe(true);
expect(frame?.samples.some((s) => s.name === 'Child')).toBe(true);
});
test('should track category breakdown', () => {
ProfilerSDK.beginFrame();
ProfilerSDK.measure('ECS1', () => {}, ProfileCategory.ECS);
ProfilerSDK.measure('ECS2', () => {}, ProfileCategory.ECS);
ProfilerSDK.measure('Render1', () => {}, ProfileCategory.Rendering);
ProfilerSDK.endFrame();
const report = ProfilerSDK.getReport();
expect(report.categoryBreakdown.size).toBeGreaterThan(0);
});
});
describe('ProfileCategory', () => {
test('should have all expected categories', () => {
expect(ProfileCategory.ECS).toBe('ECS');
expect(ProfileCategory.Rendering).toBe('Rendering');
expect(ProfileCategory.Physics).toBe('Physics');
expect(ProfileCategory.Audio).toBe('Audio');
expect(ProfileCategory.Network).toBe('Network');
expect(ProfileCategory.Script).toBe('Script');
expect(ProfileCategory.Memory).toBe('Memory');
expect(ProfileCategory.Animation).toBe('Animation');
expect(ProfileCategory.AI).toBe('AI');
expect(ProfileCategory.Input).toBe('Input');
expect(ProfileCategory.Loading).toBe('Loading');
expect(ProfileCategory.Custom).toBe('Custom');
});
});
describe('Memory Tracking', () => {
test('should collect memory snapshot', () => {
ProfilerSDK.beginFrame();
ProfilerSDK.endFrame();
const frame = ProfilerSDK.getCurrentFrame();
expect(frame?.memory).toBeDefined();
expect(frame?.memory.timestamp).toBeGreaterThan(0);
});
test('should track memory trend in report', () => {
for (let i = 0; i < 5; i++) {
ProfilerSDK.beginFrame();
ProfilerSDK.endFrame();
}
const report = ProfilerSDK.getReport();
expect(report.memoryTrend.length).toBeGreaterThan(0);
});
});
describe('Reset', () => {
test('should clear all data on reset', () => {
ProfilerSDK.beginFrame();
ProfilerSDK.measure('Test', () => {});
ProfilerSDK.endFrame();
ProfilerSDK.reset();
// reset() clears data but maintains enabled state from beforeEach
expect(ProfilerSDK.getFrameHistory().length).toBe(0);
expect(ProfilerSDK.getCurrentFrame()).toBeNull();
});
test('should disable profiler after resetInstance', () => {
ProfilerSDK.resetInstance();
expect(ProfilerSDK.isEnabled()).toBe(false);
});
});
describe('Async measurement', () => {
test('should measure async function execution', async () => {
ProfilerSDK.beginFrame();
const result = await ProfilerSDK.measureAsync('AsyncFunction', async () => {
await new Promise((resolve) => setTimeout(resolve, 10));
return 42;
}, ProfileCategory.Network);
ProfilerSDK.endFrame();
expect(result).toBe(42);
const frame = ProfilerSDK.getCurrentFrame();
const sample = frame?.samples.find((s) => s.name === 'AsyncFunction');
expect(sample).toBeDefined();
// Allow some timing variance due to setTimeout not being exact
expect(sample?.duration).toBeGreaterThanOrEqual(5);
});
});
});