testing▌

Backtest trading strategies against historical data with performance metrics and parameter optimization. \n \n Includes 8 pre-built strategies (SMA, EMA, RSI, MACD, Bollinger Bands, Breakout, Mean Reversion, Momentum) for crypto and traditional assets \n Calculates comprehensive metrics: Sharpe, Sortino, Calmar ratios, max drawdown, VaR, volatility, win rate, and profit factor \n Supports parameter grid search optimization to find best strategy combinations \n Generates equity curves, trade logs

Write, review, and migrate Swift tests using modern Swift Testing APIs with parallel execution and clear diagnostics. \n \n Covers test structure, #expect / #require macros, traits, tags, parameterized tests, and async waiting patterns for readable, maintainable tests \n Guides incremental XCTest migration while preserving UI automation and performance-metric tests that require XCTest \n Prioritizes parallel-safe test design; recommends fixing shared state before applying .serialized isolation \

Automated website exploration and test case generation using Playwright. \n \n Navigates to provided URLs and systematically identifies 3-5 core features and user flows \n Documents UI elements, their locators, and expected outcomes for each interaction \n Generates test cases based on exploration findings for immediate use in testing workflows \n Manages browser context lifecycle automatically, closing sessions upon completion \n

Unit and integration testing for Angular v20+ with Vitest or Jasmine, supporting signals and modern patterns. \n \n Supports both Vitest (recommended) and Jasmine test runners with native Angular v20+ integration via @angular/build \n Covers signal-based components, computed values, OnPush change detection, and input/output testing with modern APIs \n Includes HTTP mocking via HttpTestingController , service injection with TestBed.inject() , and dependency mocking with Vitest \n Provides pattern

Comprehensive test planning and quality assurance documentation generator aligned with ISTQB and ISO 25010 standards. \n \n Generates three core deliverables: test strategy, test issues checklist, and QA plan from feature PRDs and technical breakdowns \n Applies ISTQB test design techniques (equivalence partitioning, boundary value analysis, decision table testing, state transition testing) and test types (functional, non-functional, structural, change-related) \n Maps all eight ISO 25010 qualit

Comprehensive testing strategies for JavaScript/TypeScript using Jest, Vitest, and Testing Library. \n \n Covers unit testing, integration testing, and component testing with patterns for pure functions, classes, async code, and React hooks \n Includes mocking strategies: module mocking, dependency injection, and spying on functions for isolated test execution \n Provides API and database integration test examples with real request/response handling and transaction cleanup \n Supports snapshot t

Comprehensive guide to building reliable, maintainable end-to-end test suites with Playwright and Cypress. \n \n Covers both Playwright and Cypress with setup, configuration, and framework-specific patterns including Page Object Model, fixtures, network mocking, and custom commands \n Addresses core E2E testing philosophy, the testing pyramid, and best practices for deterministic, independent tests using data attributes and user-behavior assertions \n Includes advanced patterns for visual regres

Automate form filling with Playwright MCP, including text input, date/time selection, and file uploads. \n \n Supports multiple form field types: text inputs, date pickers, time selectors, and file uploads \n Navigates to specified URLs and populates forms with provided data without automatic submission \n Includes review checkpoint before form submission to allow manual verification of filled fields \n

AI-powered exploratory testing for web applications with autonomous issue discovery and verification. \n \n Autonomously explores web applications, discovers bugs, and verifies features through natural language test prompts; supports localhost testing without manual setup \n Run tests in parallel across different areas (authentication, accessibility, e-commerce flows) to maximize coverage while continuing other work \n Captures execution ID and browser URL in first 5 seconds, then continues runn

Comprehensive reference guide for writing, debugging, and maintaining Playwright tests across all testing types and scenarios. \n \n Covers 50+ testing patterns including E2E, component, API, GraphQL, visual regression, accessibility, security, mobile, and Electron app testing \n Includes activity-based lookup tables for writing new tests, debugging failures, fixing flaky tests, and infrastructure setup \n Provides decision trees for test type selection, architecture patterns (POM vs fixtures),