ThoughtMCP

/** * Brain Directory Configuration Tests * * Tests for brain directory path resolution, environment variable handling, * and integration with the cognitive configuration system. */ import { afterEach, beforeEach, describe, expect, it } from "vitest"; import { CognitiveConfig, ProcessingMode } from "../../types/core.js"; import { ConfigManager } from "../../utils/config.js"; describe("Brain Directory Configuration", () => { let configManager: ConfigManager; let originalEnv: NodeJS.ProcessEnv; beforeEach(() => { // Save original environment originalEnv = { ...process.env }; // Clear brain directory related env vars delete process.env.COGNITIVE_BRAIN_DIR; delete process.env.HOME; configManager = new ConfigManager(); }); afterEach(() => { // Restore original environment process.env = originalEnv; }); describe("default brain directory configuration", () => { it("should use default brain directory when no environment variable is set", () => { const config = configManager.getConfig(); expect(config.brain_dir).toBe("~/.brain"); }); it("should include brain_dir in default configuration", () => { const config = configManager.getConfig(); expect(config).toHaveProperty("brain_dir"); expect(typeof config.brain_dir).toBe("string"); expect(config.brain_dir).toBeDefined(); expect(config.brain_dir!.length).toBeGreaterThan(0); }); }); describe("environment variable configuration", () => { it("should use COGNITIVE_BRAIN_DIR environment variable when set", () => { process.env.COGNITIVE_BRAIN_DIR = "/custom/brain/path"; const newConfigManager = new ConfigManager(); const config = newConfigManager.getConfig(); expect(config.brain_dir).toBe("/custom/brain/path"); }); it("should handle relative paths in environment variable", () => { process.env.COGNITIVE_BRAIN_DIR = "./project-brain"; const newConfigManager = new ConfigManager(); const config = newConfigManager.getConfig(); expect(config.brain_dir).toBe("./project-brain"); }); it("should handle home directory expansion in environment variable", () => { process.env.COGNITIVE_BRAIN_DIR = "~/custom-brain"; const newConfigManager = new ConfigManager(); const config = newConfigManager.getConfig(); expect(config.brain_dir).toBe("~/custom-brain"); }); it("should handle domain-specific brain directories", () => { process.env.COGNITIVE_BRAIN_DIR = "~/.brain/web-development"; const newConfigManager = new ConfigManager(); const config = newConfigManager.getConfig(); expect(config.brain_dir).toBe("~/.brain/web-development"); }); }); describe("brain directory path resolution", () => { it("should resolve home directory path correctly", () => { process.env.HOME = "/Users/testuser"; process.env.COGNITIVE_BRAIN_DIR = "~/.brain"; const newConfigManager = new ConfigManager(); const resolvedPath = newConfigManager.getBrainDirectoryPath(); expect(resolvedPath).toBe("/Users/testuser/.brain"); }); it("should handle missing HOME environment variable", () => { delete process.env.HOME; process.env.COGNITIVE_BRAIN_DIR = "~/.brain"; const newConfigManager = new ConfigManager(); const resolvedPath = newConfigManager.getBrainDirectoryPath(); // Should fallback to empty string when HOME is not set expect(resolvedPath).toBe("/.brain"); }); it("should return absolute paths unchanged", () => { process.env.COGNITIVE_BRAIN_DIR = "/absolute/path/to/brain"; const newConfigManager = new ConfigManager(); const resolvedPath = newConfigManager.getBrainDirectoryPath(); expect(resolvedPath).toBe("/absolute/path/to/brain"); }); it("should return relative paths unchanged", () => { process.env.COGNITIVE_BRAIN_DIR = "./relative/brain"; const newConfigManager = new ConfigManager(); const resolvedPath = newConfigManager.getBrainDirectoryPath(); expect(resolvedPath).toBe("./relative/brain"); }); }); describe("memory file path generation", () => { it("should generate correct memory file path with default brain directory", () => { process.env.HOME = "/Users/testuser"; process.env.COGNITIVE_BRAIN_DIR = "~/.brain"; const newConfigManager = new ConfigManager(); const memoryFilePath = newConfigManager.getMemoryFilePath(); expect(memoryFilePath).toBe("/Users/testuser/.brain/memory.json"); }); it("should generate correct memory file path with custom brain directory", () => { process.env.COGNITIVE_BRAIN_DIR = "/custom/brain/location"; const newConfigManager = new ConfigManager(); const memoryFilePath = newConfigManager.getMemoryFilePath(); expect(memoryFilePath).toBe("/custom/brain/location/memory.json"); }); it("should generate correct memory file path with relative brain directory", () => { process.env.COGNITIVE_BRAIN_DIR = "./project-brain"; const newConfigManager = new ConfigManager(); const memoryFilePath = newConfigManager.getMemoryFilePath(); expect(memoryFilePath).toBe("project-brain/memory.json"); }); it("should generate correct memory file path with domain-specific brain", () => { process.env.HOME = "/Users/testuser"; process.env.COGNITIVE_BRAIN_DIR = "~/.brain/data-science"; const newConfigManager = new ConfigManager(); const memoryFilePath = newConfigManager.getMemoryFilePath(); expect(memoryFilePath).toBe( "/Users/testuser/.brain/data-science/memory.json" ); }); }); describe("configuration validation", () => { it("should validate brain_dir as required field", () => { const config: CognitiveConfig = { default_mode: ProcessingMode.BALANCED, enable_emotion: true, enable_metacognition: true, enable_prediction: true, working_memory_capacity: 7, episodic_memory_size: 1000, semantic_memory_size: 5000, consolidation_interval: 300000, noise_level: 0.1, temperature: 0.7, attention_threshold: 0.3, max_reasoning_depth: 10, timeout_ms: 30000, max_concurrent_sessions: 100, confidence_threshold: 0.6, system2_activation_threshold: 0.4, memory_retrieval_threshold: 0.3, brain_dir: "~/.brain", }; expect(() => { // This should not throw since brain_dir is present expect(config.brain_dir).toBeDefined(); expect(typeof config.brain_dir).toBe("string"); }).not.toThrow(); }); }); describe("configuration updates", () => { it("should allow updating brain directory configuration", () => { const initialConfig = configManager.getConfig(); expect(initialConfig.brain_dir).toBe("~/.brain"); configManager.updateConfig({ brain_dir: "/new/brain/path" }); const updatedConfig = configManager.getConfig(); expect(updatedConfig.brain_dir).toBe("/new/brain/path"); }); it("should maintain other configuration when updating brain directory", () => { const initialConfig = configManager.getConfig(); const initialMode = initialConfig.default_mode; const initialEmotion = initialConfig.enable_emotion; configManager.updateConfig({ brain_dir: "/new/brain/path" }); const updatedConfig = configManager.getConfig(); expect(updatedConfig.brain_dir).toBe("/new/brain/path"); expect(updatedConfig.default_mode).toBe(initialMode); expect(updatedConfig.enable_emotion).toBe(initialEmotion); }); }); describe("edge cases", () => { it("should handle empty string brain directory", () => { process.env.COGNITIVE_BRAIN_DIR = ""; const newConfigManager = new ConfigManager(); const config = newConfigManager.getConfig(); // Should fall back to default when empty string is provided expect(config.brain_dir).toBe("~/.brain"); }); it("should handle whitespace-only brain directory", () => { process.env.COGNITIVE_BRAIN_DIR = " "; const newConfigManager = new ConfigManager(); const config = newConfigManager.getConfig(); // Should fall back to default when whitespace-only string is provided expect(config.brain_dir).toBe("~/.brain"); }); it("should handle very long brain directory paths", () => { const longPath = "/very/long/path/to/brain/directory/that/exceeds/normal/length/expectations/and/continues/for/a/while/longer"; process.env.COGNITIVE_BRAIN_DIR = longPath; const newConfigManager = new ConfigManager(); const config = newConfigManager.getConfig(); expect(config.brain_dir).toBe(longPath); }); it("should handle paths with special characters", () => { const specialPath = "~/brain-dir_with.special@chars#and$symbols"; process.env.COGNITIVE_BRAIN_DIR = specialPath; const newConfigManager = new ConfigManager(); const config = newConfigManager.getConfig(); expect(config.brain_dir).toBe(specialPath); }); }); });