Files
qwen-code/packages/core/src/telemetry/metrics.test.ts
2025-10-23 09:27:04 +08:00

898 lines
29 KiB
TypeScript

/**
* @license
* Copyright 2025 Google LLC
* SPDX-License-Identifier: Apache-2.0
*/
import { describe, it, expect, vi, beforeEach, type Mock } from 'vitest';
import type {
Counter,
Meter,
Attributes,
Context,
Histogram,
} from '@opentelemetry/api';
import type { Config } from '../config/config.js';
import {
FileOperation,
MemoryMetricType,
ToolExecutionPhase,
ApiRequestPhase,
} from './metrics.js';
import { makeFakeConfig } from '../test-utils/config.js';
const mockCounterAddFn: Mock<
(value: number, attributes?: Attributes, context?: Context) => void
> = vi.fn();
const mockHistogramRecordFn: Mock<
(value: number, attributes?: Attributes, context?: Context) => void
> = vi.fn();
const mockCreateCounterFn: Mock<(name: string, options?: unknown) => Counter> =
vi.fn();
const mockCreateHistogramFn: Mock<
(name: string, options?: unknown) => Histogram
> = vi.fn();
const mockCounterInstance: Counter = {
add: mockCounterAddFn,
} as Partial<Counter> as Counter;
const mockHistogramInstance: Histogram = {
record: mockHistogramRecordFn,
} as Partial<Histogram> as Histogram;
const mockMeterInstance: Meter = {
createCounter: mockCreateCounterFn.mockReturnValue(mockCounterInstance),
createHistogram: mockCreateHistogramFn.mockReturnValue(mockHistogramInstance),
} as Partial<Meter> as Meter;
function originalOtelMockFactory() {
return {
metrics: {
getMeter: vi.fn(),
},
ValueType: {
INT: 1,
DOUBLE: 2,
},
diag: {
setLogger: vi.fn(),
warn: vi.fn(),
},
} as const;
}
vi.mock('@opentelemetry/api');
describe('Telemetry Metrics', () => {
let initializeMetricsModule: typeof import('./metrics.js').initializeMetrics;
let recordTokenUsageMetricsModule: typeof import('./metrics.js').recordTokenUsageMetrics;
let recordFileOperationMetricModule: typeof import('./metrics.js').recordFileOperationMetric;
let recordChatCompressionMetricsModule: typeof import('./metrics.js').recordChatCompressionMetrics;
let recordStartupPerformanceModule: typeof import('./metrics.js').recordStartupPerformance;
let recordMemoryUsageModule: typeof import('./metrics.js').recordMemoryUsage;
let recordCpuUsageModule: typeof import('./metrics.js').recordCpuUsage;
let recordToolQueueDepthModule: typeof import('./metrics.js').recordToolQueueDepth;
let recordToolExecutionBreakdownModule: typeof import('./metrics.js').recordToolExecutionBreakdown;
let recordTokenEfficiencyModule: typeof import('./metrics.js').recordTokenEfficiency;
let recordApiRequestBreakdownModule: typeof import('./metrics.js').recordApiRequestBreakdown;
let recordPerformanceScoreModule: typeof import('./metrics.js').recordPerformanceScore;
let recordPerformanceRegressionModule: typeof import('./metrics.js').recordPerformanceRegression;
let recordBaselineComparisonModule: typeof import('./metrics.js').recordBaselineComparison;
beforeEach(async () => {
vi.resetModules();
vi.doMock('@opentelemetry/api', () => {
const actualApi = originalOtelMockFactory();
(actualApi.metrics.getMeter as Mock).mockReturnValue(mockMeterInstance);
return actualApi;
});
const metricsJsModule = await import('./metrics.js');
initializeMetricsModule = metricsJsModule.initializeMetrics;
recordTokenUsageMetricsModule = metricsJsModule.recordTokenUsageMetrics;
recordFileOperationMetricModule = metricsJsModule.recordFileOperationMetric;
recordChatCompressionMetricsModule =
metricsJsModule.recordChatCompressionMetrics;
recordStartupPerformanceModule = metricsJsModule.recordStartupPerformance;
recordMemoryUsageModule = metricsJsModule.recordMemoryUsage;
recordCpuUsageModule = metricsJsModule.recordCpuUsage;
recordToolQueueDepthModule = metricsJsModule.recordToolQueueDepth;
recordToolExecutionBreakdownModule =
metricsJsModule.recordToolExecutionBreakdown;
recordTokenEfficiencyModule = metricsJsModule.recordTokenEfficiency;
recordApiRequestBreakdownModule = metricsJsModule.recordApiRequestBreakdown;
recordPerformanceScoreModule = metricsJsModule.recordPerformanceScore;
recordPerformanceRegressionModule =
metricsJsModule.recordPerformanceRegression;
recordBaselineComparisonModule = metricsJsModule.recordBaselineComparison;
const otelApiModule = await import('@opentelemetry/api');
mockCounterAddFn.mockClear();
mockCreateCounterFn.mockClear();
mockCreateHistogramFn.mockClear();
mockHistogramRecordFn.mockClear();
(otelApiModule.metrics.getMeter as Mock).mockClear();
(otelApiModule.metrics.getMeter as Mock).mockReturnValue(mockMeterInstance);
mockCreateCounterFn.mockReturnValue(mockCounterInstance);
mockCreateHistogramFn.mockReturnValue(mockHistogramInstance);
});
describe('recordChatCompressionMetrics', () => {
it('does not record metrics if not initialized', () => {
const lol = makeFakeConfig({});
recordChatCompressionMetricsModule(lol, {
tokens_after: 100,
tokens_before: 200,
});
expect(mockCounterAddFn).not.toHaveBeenCalled();
});
it('records token compression with the correct attributes', () => {
const config = makeFakeConfig({});
initializeMetricsModule(config);
recordChatCompressionMetricsModule(config, {
tokens_after: 100,
tokens_before: 200,
});
expect(mockCounterAddFn).toHaveBeenCalledWith(1, {
'session.id': 'test-session-id',
tokens_after: 100,
tokens_before: 200,
});
});
});
describe('recordTokenUsageMetrics', () => {
const mockConfig = {
getSessionId: () => 'test-session-id',
getTelemetryEnabled: () => true,
} as unknown as Config;
it('should not record metrics if not initialized', () => {
recordTokenUsageMetricsModule(mockConfig, 100, {
model: 'gemini-pro',
type: 'input',
});
expect(mockCounterAddFn).not.toHaveBeenCalled();
});
it('should record token usage with the correct attributes', () => {
initializeMetricsModule(mockConfig);
recordTokenUsageMetricsModule(mockConfig, 100, {
model: 'gemini-pro',
type: 'input',
});
expect(mockCounterAddFn).toHaveBeenCalledTimes(2);
expect(mockCounterAddFn).toHaveBeenNthCalledWith(1, 1, {
'session.id': 'test-session-id',
});
expect(mockCounterAddFn).toHaveBeenNthCalledWith(2, 100, {
'session.id': 'test-session-id',
model: 'gemini-pro',
type: 'input',
});
});
it('should record token usage for different types', () => {
initializeMetricsModule(mockConfig);
mockCounterAddFn.mockClear();
recordTokenUsageMetricsModule(mockConfig, 50, {
model: 'gemini-pro',
type: 'output',
});
expect(mockCounterAddFn).toHaveBeenCalledWith(50, {
'session.id': 'test-session-id',
model: 'gemini-pro',
type: 'output',
});
recordTokenUsageMetricsModule(mockConfig, 25, {
model: 'gemini-pro',
type: 'thought',
});
expect(mockCounterAddFn).toHaveBeenCalledWith(25, {
'session.id': 'test-session-id',
model: 'gemini-pro',
type: 'thought',
});
recordTokenUsageMetricsModule(mockConfig, 75, {
model: 'gemini-pro',
type: 'cache',
});
expect(mockCounterAddFn).toHaveBeenCalledWith(75, {
'session.id': 'test-session-id',
model: 'gemini-pro',
type: 'cache',
});
recordTokenUsageMetricsModule(mockConfig, 125, {
model: 'gemini-pro',
type: 'tool',
});
expect(mockCounterAddFn).toHaveBeenCalledWith(125, {
'session.id': 'test-session-id',
model: 'gemini-pro',
type: 'tool',
});
});
it('should handle different models', () => {
initializeMetricsModule(mockConfig);
mockCounterAddFn.mockClear();
recordTokenUsageMetricsModule(mockConfig, 200, {
model: 'gemini-ultra',
type: 'input',
});
expect(mockCounterAddFn).toHaveBeenCalledWith(200, {
'session.id': 'test-session-id',
model: 'gemini-ultra',
type: 'input',
});
});
});
describe('recordFileOperationMetric', () => {
const mockConfig = {
getSessionId: () => 'test-session-id',
getTelemetryEnabled: () => true,
} as unknown as Config;
it('should not record metrics if not initialized', () => {
recordFileOperationMetricModule(mockConfig, {
operation: FileOperation.CREATE,
lines: 10,
mimetype: 'text/plain',
extension: 'txt',
});
expect(mockCounterAddFn).not.toHaveBeenCalled();
});
it('should record file creation with all attributes', () => {
initializeMetricsModule(mockConfig);
recordFileOperationMetricModule(mockConfig, {
operation: FileOperation.CREATE,
lines: 10,
mimetype: 'text/plain',
extension: 'txt',
});
expect(mockCounterAddFn).toHaveBeenCalledTimes(2);
expect(mockCounterAddFn).toHaveBeenNthCalledWith(1, 1, {
'session.id': 'test-session-id',
});
expect(mockCounterAddFn).toHaveBeenNthCalledWith(2, 1, {
'session.id': 'test-session-id',
operation: FileOperation.CREATE,
lines: 10,
mimetype: 'text/plain',
extension: 'txt',
});
});
it('should record file read with minimal attributes', () => {
initializeMetricsModule(mockConfig);
mockCounterAddFn.mockClear();
recordFileOperationMetricModule(mockConfig, {
operation: FileOperation.READ,
});
expect(mockCounterAddFn).toHaveBeenCalledWith(1, {
'session.id': 'test-session-id',
operation: FileOperation.READ,
});
});
it('should record file update with some attributes', () => {
initializeMetricsModule(mockConfig);
mockCounterAddFn.mockClear();
recordFileOperationMetricModule(mockConfig, {
operation: FileOperation.UPDATE,
mimetype: 'application/javascript',
});
expect(mockCounterAddFn).toHaveBeenCalledWith(1, {
'session.id': 'test-session-id',
operation: FileOperation.UPDATE,
mimetype: 'application/javascript',
});
});
it('should record file operation without diffStat', () => {
initializeMetricsModule(mockConfig);
mockCounterAddFn.mockClear();
recordFileOperationMetricModule(mockConfig, {
operation: FileOperation.UPDATE,
});
expect(mockCounterAddFn).toHaveBeenCalledWith(1, {
'session.id': 'test-session-id',
operation: FileOperation.UPDATE,
});
});
it('should record minimal file operation when optional parameters are undefined', () => {
initializeMetricsModule(mockConfig);
mockCounterAddFn.mockClear();
recordFileOperationMetricModule(mockConfig, {
operation: FileOperation.UPDATE,
lines: 10,
mimetype: 'text/plain',
extension: 'txt',
});
expect(mockCounterAddFn).toHaveBeenCalledWith(1, {
'session.id': 'test-session-id',
operation: FileOperation.UPDATE,
lines: 10,
mimetype: 'text/plain',
extension: 'txt',
});
});
it('should not include diffStat attributes when diffStat is not provided', () => {
initializeMetricsModule(mockConfig);
mockCounterAddFn.mockClear();
recordFileOperationMetricModule(mockConfig, {
operation: FileOperation.UPDATE,
});
expect(mockCounterAddFn).toHaveBeenCalledWith(1, {
'session.id': 'test-session-id',
operation: FileOperation.UPDATE,
});
});
});
describe('Performance Monitoring Metrics', () => {
const mockConfig = {
getSessionId: () => 'test-session-id',
getTelemetryEnabled: () => true,
} as unknown as Config;
describe('recordStartupPerformance', () => {
it('should not record metrics when performance monitoring is disabled', async () => {
// Re-import with performance monitoring disabled by mocking the config
const mockConfigDisabled = {
getSessionId: () => 'test-session-id',
getTelemetryEnabled: () => false, // Disable telemetry to disable performance monitoring
} as unknown as Config;
initializeMetricsModule(mockConfigDisabled);
mockHistogramRecordFn.mockClear();
recordStartupPerformanceModule(mockConfigDisabled, 100, {
phase: 'settings_loading',
details: {
auth_type: 'gemini',
},
});
expect(mockHistogramRecordFn).not.toHaveBeenCalled();
});
it('should record startup performance with phase and details', () => {
initializeMetricsModule(mockConfig);
mockHistogramRecordFn.mockClear();
recordStartupPerformanceModule(mockConfig, 150, {
phase: 'settings_loading',
details: {
auth_type: 'gemini',
telemetry_enabled: true,
settings_sources: 2,
},
});
expect(mockHistogramRecordFn).toHaveBeenCalledWith(150, {
'session.id': 'test-session-id',
phase: 'settings_loading',
auth_type: 'gemini',
telemetry_enabled: true,
settings_sources: 2,
});
});
it('should record startup performance without details', () => {
initializeMetricsModule(mockConfig);
mockHistogramRecordFn.mockClear();
recordStartupPerformanceModule(mockConfig, 50, { phase: 'cleanup' });
expect(mockHistogramRecordFn).toHaveBeenCalledWith(50, {
'session.id': 'test-session-id',
phase: 'cleanup',
});
});
it('should handle floating-point duration values from performance.now()', () => {
initializeMetricsModule(mockConfig);
mockHistogramRecordFn.mockClear();
// Test with realistic floating-point values that performance.now() would return
const floatingPointDuration = 123.45678;
recordStartupPerformanceModule(mockConfig, floatingPointDuration, {
phase: 'total_startup',
details: {
is_tty: true,
has_question: false,
},
});
expect(mockHistogramRecordFn).toHaveBeenCalledWith(
floatingPointDuration,
{
'session.id': 'test-session-id',
phase: 'total_startup',
is_tty: true,
has_question: false,
},
);
});
});
describe('recordMemoryUsage', () => {
it('should record memory usage for different memory types', () => {
initializeMetricsModule(mockConfig);
mockHistogramRecordFn.mockClear();
recordMemoryUsageModule(mockConfig, 15728640, {
memory_type: MemoryMetricType.HEAP_USED,
component: 'startup',
});
expect(mockHistogramRecordFn).toHaveBeenCalledWith(15728640, {
'session.id': 'test-session-id',
memory_type: 'heap_used',
component: 'startup',
});
});
it('should record memory usage for all memory metric types', () => {
initializeMetricsModule(mockConfig);
mockHistogramRecordFn.mockClear();
recordMemoryUsageModule(mockConfig, 31457280, {
memory_type: MemoryMetricType.HEAP_TOTAL,
component: 'api_call',
});
recordMemoryUsageModule(mockConfig, 2097152, {
memory_type: MemoryMetricType.EXTERNAL,
component: 'tool_execution',
});
recordMemoryUsageModule(mockConfig, 41943040, {
memory_type: MemoryMetricType.RSS,
component: 'memory_monitor',
});
expect(mockHistogramRecordFn).toHaveBeenCalledTimes(3); // One for each call
expect(mockHistogramRecordFn).toHaveBeenNthCalledWith(1, 31457280, {
'session.id': 'test-session-id',
memory_type: 'heap_total',
component: 'api_call',
});
expect(mockHistogramRecordFn).toHaveBeenNthCalledWith(2, 2097152, {
'session.id': 'test-session-id',
memory_type: 'external',
component: 'tool_execution',
});
expect(mockHistogramRecordFn).toHaveBeenNthCalledWith(3, 41943040, {
'session.id': 'test-session-id',
memory_type: 'rss',
component: 'memory_monitor',
});
});
it('should record memory usage without component', () => {
initializeMetricsModule(mockConfig);
mockHistogramRecordFn.mockClear();
recordMemoryUsageModule(mockConfig, 15728640, {
memory_type: MemoryMetricType.HEAP_USED,
});
expect(mockHistogramRecordFn).toHaveBeenCalledWith(15728640, {
'session.id': 'test-session-id',
memory_type: 'heap_used',
});
});
});
describe('recordCpuUsage', () => {
it('should record CPU usage percentage', () => {
initializeMetricsModule(mockConfig);
mockHistogramRecordFn.mockClear();
recordCpuUsageModule(mockConfig, 85.5, {
component: 'tool_execution',
});
expect(mockHistogramRecordFn).toHaveBeenCalledWith(85.5, {
'session.id': 'test-session-id',
component: 'tool_execution',
});
});
it('should record CPU usage without component', () => {
initializeMetricsModule(mockConfig);
mockHistogramRecordFn.mockClear();
recordCpuUsageModule(mockConfig, 42.3, {});
expect(mockHistogramRecordFn).toHaveBeenCalledWith(42.3, {
'session.id': 'test-session-id',
});
});
});
describe('recordToolQueueDepth', () => {
it('should record tool queue depth', () => {
initializeMetricsModule(mockConfig);
mockHistogramRecordFn.mockClear();
recordToolQueueDepthModule(mockConfig, 3);
expect(mockHistogramRecordFn).toHaveBeenCalledWith(3, {
'session.id': 'test-session-id',
});
});
it('should record zero queue depth', () => {
initializeMetricsModule(mockConfig);
mockHistogramRecordFn.mockClear();
recordToolQueueDepthModule(mockConfig, 0);
expect(mockHistogramRecordFn).toHaveBeenCalledWith(0, {
'session.id': 'test-session-id',
});
});
});
describe('recordToolExecutionBreakdown', () => {
it('should record tool execution breakdown for all phases', () => {
initializeMetricsModule(mockConfig);
mockHistogramRecordFn.mockClear();
recordToolExecutionBreakdownModule(mockConfig, 25, {
function_name: 'Read',
phase: ToolExecutionPhase.VALIDATION,
});
expect(mockHistogramRecordFn).toHaveBeenCalledWith(25, {
'session.id': 'test-session-id',
function_name: 'Read',
phase: 'validation',
});
});
it('should record execution breakdown for different phases', () => {
initializeMetricsModule(mockConfig);
mockHistogramRecordFn.mockClear();
recordToolExecutionBreakdownModule(mockConfig, 50, {
function_name: 'Bash',
phase: ToolExecutionPhase.PREPARATION,
});
recordToolExecutionBreakdownModule(mockConfig, 1500, {
function_name: 'Bash',
phase: ToolExecutionPhase.EXECUTION,
});
recordToolExecutionBreakdownModule(mockConfig, 75, {
function_name: 'Bash',
phase: ToolExecutionPhase.RESULT_PROCESSING,
});
expect(mockHistogramRecordFn).toHaveBeenCalledTimes(3); // One for each call
expect(mockHistogramRecordFn).toHaveBeenNthCalledWith(1, 50, {
'session.id': 'test-session-id',
function_name: 'Bash',
phase: 'preparation',
});
expect(mockHistogramRecordFn).toHaveBeenNthCalledWith(2, 1500, {
'session.id': 'test-session-id',
function_name: 'Bash',
phase: 'execution',
});
expect(mockHistogramRecordFn).toHaveBeenNthCalledWith(3, 75, {
'session.id': 'test-session-id',
function_name: 'Bash',
phase: 'result_processing',
});
});
});
describe('recordTokenEfficiency', () => {
it('should record token efficiency metrics', () => {
initializeMetricsModule(mockConfig);
mockHistogramRecordFn.mockClear();
recordTokenEfficiencyModule(mockConfig, 0.85, {
model: 'gemini-pro',
metric: 'cache_hit_rate',
context: 'api_request',
});
expect(mockHistogramRecordFn).toHaveBeenCalledWith(0.85, {
'session.id': 'test-session-id',
model: 'gemini-pro',
metric: 'cache_hit_rate',
context: 'api_request',
});
});
it('should record token efficiency without context', () => {
initializeMetricsModule(mockConfig);
mockHistogramRecordFn.mockClear();
recordTokenEfficiencyModule(mockConfig, 125.5, {
model: 'gemini-pro',
metric: 'tokens_per_operation',
});
expect(mockHistogramRecordFn).toHaveBeenCalledWith(125.5, {
'session.id': 'test-session-id',
model: 'gemini-pro',
metric: 'tokens_per_operation',
});
});
});
describe('recordApiRequestBreakdown', () => {
it('should record API request breakdown for all phases', () => {
initializeMetricsModule(mockConfig);
mockHistogramRecordFn.mockClear();
recordApiRequestBreakdownModule(mockConfig, 15, {
model: 'gemini-pro',
phase: ApiRequestPhase.REQUEST_PREPARATION,
});
expect(mockHistogramRecordFn).toHaveBeenCalledWith(15, {
'session.id': 'test-session-id',
model: 'gemini-pro',
phase: 'request_preparation',
});
});
it('should record API request breakdown for different phases', () => {
initializeMetricsModule(mockConfig);
mockHistogramRecordFn.mockClear();
recordApiRequestBreakdownModule(mockConfig, 250, {
model: 'gemini-pro',
phase: ApiRequestPhase.NETWORK_LATENCY,
});
recordApiRequestBreakdownModule(mockConfig, 100, {
model: 'gemini-pro',
phase: ApiRequestPhase.RESPONSE_PROCESSING,
});
recordApiRequestBreakdownModule(mockConfig, 50, {
model: 'gemini-pro',
phase: ApiRequestPhase.TOKEN_PROCESSING,
});
expect(mockHistogramRecordFn).toHaveBeenCalledTimes(3); // One for each call
expect(mockHistogramRecordFn).toHaveBeenNthCalledWith(1, 250, {
'session.id': 'test-session-id',
model: 'gemini-pro',
phase: 'network_latency',
});
expect(mockHistogramRecordFn).toHaveBeenNthCalledWith(2, 100, {
'session.id': 'test-session-id',
model: 'gemini-pro',
phase: 'response_processing',
});
expect(mockHistogramRecordFn).toHaveBeenNthCalledWith(3, 50, {
'session.id': 'test-session-id',
model: 'gemini-pro',
phase: 'token_processing',
});
});
});
describe('recordPerformanceScore', () => {
it('should record performance score with category and baseline', () => {
initializeMetricsModule(mockConfig);
mockHistogramRecordFn.mockClear();
recordPerformanceScoreModule(mockConfig, 85.5, {
category: 'memory_efficiency',
baseline: 80.0,
});
expect(mockHistogramRecordFn).toHaveBeenCalledWith(85.5, {
'session.id': 'test-session-id',
category: 'memory_efficiency',
baseline: 80.0,
});
});
it('should record performance score without baseline', () => {
initializeMetricsModule(mockConfig);
mockHistogramRecordFn.mockClear();
recordPerformanceScoreModule(mockConfig, 92.3, {
category: 'overall_performance',
});
expect(mockHistogramRecordFn).toHaveBeenCalledWith(92.3, {
'session.id': 'test-session-id',
category: 'overall_performance',
});
});
});
describe('recordPerformanceRegression', () => {
it('should record performance regression with baseline comparison', () => {
initializeMetricsModule(mockConfig);
mockCounterAddFn.mockClear();
mockHistogramRecordFn.mockClear();
recordPerformanceRegressionModule(mockConfig, {
metric: 'startup_time',
current_value: 1200,
baseline_value: 1000,
severity: 'medium',
});
// Verify regression counter
expect(mockCounterAddFn).toHaveBeenCalledWith(1, {
'session.id': 'test-session-id',
metric: 'startup_time',
severity: 'medium',
current_value: 1200,
baseline_value: 1000,
});
// Verify baseline comparison histogram (20% increase)
expect(mockHistogramRecordFn).toHaveBeenCalledWith(20, {
'session.id': 'test-session-id',
metric: 'startup_time',
severity: 'medium',
current_value: 1200,
baseline_value: 1000,
});
});
it('should handle zero baseline value gracefully', () => {
initializeMetricsModule(mockConfig);
mockCounterAddFn.mockClear();
mockHistogramRecordFn.mockClear();
recordPerformanceRegressionModule(mockConfig, {
metric: 'memory_usage',
current_value: 100,
baseline_value: 0,
severity: 'high',
});
// Verify regression counter still recorded
expect(mockCounterAddFn).toHaveBeenCalledWith(1, {
'session.id': 'test-session-id',
metric: 'memory_usage',
severity: 'high',
current_value: 100,
baseline_value: 0,
});
// Verify no baseline comparison due to zero baseline
expect(mockHistogramRecordFn).not.toHaveBeenCalled();
});
it('should record different severity levels', () => {
initializeMetricsModule(mockConfig);
mockCounterAddFn.mockClear();
recordPerformanceRegressionModule(mockConfig, {
metric: 'api_latency',
current_value: 500,
baseline_value: 400,
severity: 'low',
});
recordPerformanceRegressionModule(mockConfig, {
metric: 'cpu_usage',
current_value: 90,
baseline_value: 70,
severity: 'high',
});
expect(mockCounterAddFn).toHaveBeenNthCalledWith(1, 1, {
'session.id': 'test-session-id',
metric: 'api_latency',
severity: 'low',
current_value: 500,
baseline_value: 400,
});
expect(mockCounterAddFn).toHaveBeenNthCalledWith(2, 1, {
'session.id': 'test-session-id',
metric: 'cpu_usage',
severity: 'high',
current_value: 90,
baseline_value: 70,
});
});
});
describe('recordBaselineComparison', () => {
it('should record baseline comparison with percentage change', () => {
initializeMetricsModule(mockConfig);
mockHistogramRecordFn.mockClear();
recordBaselineComparisonModule(mockConfig, {
metric: 'memory_usage',
current_value: 120,
baseline_value: 100,
category: 'performance_tracking',
});
// 20% increase: (120 - 100) / 100 * 100 = 20%
expect(mockHistogramRecordFn).toHaveBeenCalledWith(20, {
'session.id': 'test-session-id',
metric: 'memory_usage',
category: 'performance_tracking',
current_value: 120,
baseline_value: 100,
});
});
it('should handle negative percentage change (improvement)', () => {
initializeMetricsModule(mockConfig);
mockHistogramRecordFn.mockClear();
recordBaselineComparisonModule(mockConfig, {
metric: 'startup_time',
current_value: 800,
baseline_value: 1000,
category: 'optimization',
});
// 20% decrease: (800 - 1000) / 1000 * 100 = -20%
expect(mockHistogramRecordFn).toHaveBeenCalledWith(-20, {
'session.id': 'test-session-id',
metric: 'startup_time',
category: 'optimization',
current_value: 800,
baseline_value: 1000,
});
});
it('should skip recording when baseline is zero', async () => {
// Access the actual mocked module
const mockedModule = (await vi.importMock('@opentelemetry/api')) as {
diag: { warn: ReturnType<typeof vi.fn> };
};
const diagSpy = vi.spyOn(mockedModule.diag, 'warn');
initializeMetricsModule(mockConfig);
mockHistogramRecordFn.mockClear();
recordBaselineComparisonModule(mockConfig, {
metric: 'new_metric',
current_value: 50,
baseline_value: 0,
category: 'testing',
});
expect(diagSpy).toHaveBeenCalledWith(
'Baseline value is zero, skipping comparison.',
);
expect(mockHistogramRecordFn).not.toHaveBeenCalled();
});
});
});
});