dreamhead/moco

Features

• API Simulation and Mocking - Provides a comprehensive tool for simulating API responses across multiple protocols to replace external backend dependencies.
• Programmable Response Logic - Implements programmable request matching and response logic via JSON configurations or custom code.
• JSON-Driven Configurations - Uses JSON files to define server behavior, request matching, and response payloads.
• REST API Mock Servers - Simulates RESTful endpoints by mapping resource paths and HTTP methods to predefined responses.
• WebSocket Clients and Servers - Simulates a WebSocket server that provides bidirectional communication and responses based on request content.
• Request Matching Engines - Matches incoming requests against defined patterns based on headers, bodies, and parameters to select responses.
• Server-Sent Events - Implements a Server-Sent Events simulator that streams multiple events to clients with configurable delivery delays.
• API Integration Testing - Facilitates automated verification of how systems handle various API responses and sequential workflows.
• HTTP Mock Servers - Executes a standalone HTTP or HTTPS server that serves predefined mock responses from configuration files.
• Mock Behavior Configuration - Defines server behavior and response payloads using structured JSON files instead of hard-coded logic.
• Programmatic Response Generation - Generates responses programmatically based on incoming request details instead of using static payloads.
• Multi-Protocol Dispatchers - Routes incoming traffic across HTTP, WebSocket, and Server-Sent Events using a unified handling mechanism.
• Frontend-Driven Development - Enables an iterative frontend development workflow by providing simulated backend responses and network latency.
• Multi-Protocol Servers - Handles requests and responses across multiple diverse protocols including HTTP, REST, WebSocket, and Server-Sent Events.
• Resource Hierarchy Models - Maps nested URI segments to specific resource entities and their associated response sets.
• Structural Data Validators - Validates request bodies against XML or JSON structures using XPath and JSONPath to ensure correct request matching.
• Proxy Traffic Captures - Acts as a proxy to capture remote server traffic and record it for future local simulation.
• API Request Filters - Filters incoming requests based on URI, method, parameters, headers, cookies, or body content to match specific stubs.
• Request Proxying - Forwards requests to a remote server and records responses for local offline playback.
• Sequential Response Queues - Returns a predefined sequence of different responses for the same request to simulate server state transitions.
• Network Traffic Replay Tools - Captures real request-response pairs via a proxy and replays them locally for offline debugging.
• SSE Stream Simulators - Simulates SSE endpoints that stream multiple events to clients with configurable delivery delays.
• Hierarchical Resource Routes - Creates sub-resources using nested URI paths to represent complex entity relationships in a mock API.
• Network Latency Simulators - Introduces configurable artificial delays before sending responses to simulate slow network conditions.
• WebSocket Mocking Tools - Provides a simulator for bidirectional WebSocket communication, including connection messages and event-driven responses.
• Traffic Recorders - Captures live HTTP request-response pairs to generate local mock definitions and replay traffic.
• Response Templating - Uses templates with variables, random numbers, and timestamps to inject dynamic content into mock responses.
• Testing Frameworks - Concise web services for stubs and mocks.

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