Dynatrace MCP Server

/** * Integration test for Davis analyzers - memory forecasting * * Verifies the Davis analyzer execution by making actual API calls * to the Dynatrace environment. */ import { config } from 'dotenv'; import { createDtHttpClient } from '../src/authentication/dynatrace-clients'; import { executeDavisAnalyzer } from '../src/capabilities/davis-analyzers'; import { getDynatraceEnv, DynatraceEnv } from '../src/getDynatraceEnv'; // Load environment variables config(); const API_RATE_LIMIT_DELAY = 2000; // Delay in milliseconds to avoid hitting API rate limits const scopesBase = ['app-engine:apps:run']; const scopesDavisAnalyzers = [ 'davis:analyzers:read', // needed for listing and getting Davis analyzer definitions 'davis:analyzers:execute', // needed for executing Davis analyzers ]; describe('Davis Analyzers - Memory Forecasting Integration Tests', () => { let dynatraceEnv: DynatraceEnv; // Setup that runs once before all tests beforeAll(async () => { try { dynatraceEnv = getDynatraceEnv(); console.log(`Testing against environment: ${dynatraceEnv.dtEnvironment}`); } catch (err) { throw new Error(`Environment configuration error: ${(err as Error).message}`); } }); afterEach(async () => { // Add delay to avoid hitting API rate limits await new Promise((resolve) => setTimeout(resolve, API_RATE_LIMIT_DELAY)); }); // Helper function to create HTTP client for Davis analyzers const createHttpClient = async () => { const { oauthClientId, oauthClientSecret, dtEnvironment, dtPlatformToken } = dynatraceEnv; return await createDtHttpClient( dtEnvironment, scopesBase.concat(scopesDavisAnalyzers), oauthClientId, oauthClientSecret, dtPlatformToken, ); }; test('should execute forecast analyzer for memory usage', async () => { const dtClient = await createHttpClient(); // Use a DQL query to forecast process memory usage const forecastInput = { timeSeriesData: 'timeseries avg(dt.process.memory.usage)', forecastHorizon: 12, }; const result = await executeDavisAnalyzer(dtClient, 'dt.statistics.GenericForecastAnalyzer', forecastInput); expect(result).toBeDefined(); expect(result.analysisStatus).toBe('OK'); // Check forecast quality assessment expect(result.forecastQualityAssessment).toBeDefined(); expect(['VALID', 'INVALID', 'UNKNOWN']).toContain(result.forecastQualityAssessment); // Check that we have forecast data expect(result.timeSeriesDataWithPredictions).toBeDefined(); expect(result.timeSeriesDataWithPredictions.records).toBeDefined(); expect(Array.isArray(result.timeSeriesDataWithPredictions.records)).toBe(true); if (result.timeSeriesDataWithPredictions.records.length > 0) { const forecastRecord = result.timeSeriesDataWithPredictions.records[0]; // Check that forecast contains the expected fields expect(forecastRecord['dt.davis.forecast:point']).toBeDefined(); expect(forecastRecord['dt.davis.forecast:lower']).toBeDefined(); expect(forecastRecord['dt.davis.forecast:upper']).toBeDefined(); // Check that forecast arrays have the expected length (forecastHorizon) expect(Array.isArray(forecastRecord['dt.davis.forecast:point'])).toBe(true); expect(forecastRecord['dt.davis.forecast:point'].length).toBe(12); expect(Array.isArray(forecastRecord['dt.davis.forecast:lower'])).toBe(true); expect(forecastRecord['dt.davis.forecast:lower'].length).toBe(12); expect(Array.isArray(forecastRecord['dt.davis.forecast:upper'])).toBe(true); expect(forecastRecord['dt.davis.forecast:upper'].length).toBe(12); // Check that forecast values are reasonable (should be numbers) forecastRecord['dt.davis.forecast:point'].forEach((value: any) => { expect(typeof value).toBe('number'); expect(value).toBeGreaterThanOrEqual(0); }); } }); test('should handle invalid analyzer name gracefully', async () => { const dtClient = await createHttpClient(); const invalidAnalyzerName = 'dt.nonexistent.analyzer'; const forecastInput = { timeSeriesData: 'timeseries avg(dt.process.memory.usage)', forecastHorizon: 1, }; await expect(executeDavisAnalyzer(dtClient, invalidAnalyzerName, forecastInput)).rejects.toThrow(); }); test('should handle invalid time series data gracefully', async () => { const dtClient = await createHttpClient(); const invalidInput = { timeSeriesData: 'invalid dql query syntax {{{', forecastHorizon: 1, }; const result = await executeDavisAnalyzer(dtClient, 'dt.statistics.GenericForecastAnalyzer', invalidInput); // The analyzer might still return a result but with FAILED status expect(result).toBeDefined(); expect(result.analysisStatus).toBeDefined(); // If it fails, it should indicate the failure if (result.analysisStatus !== 'OK') { expect(result.analysisStatus).toBe('FAILED'); } }); });