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chatgpt-mcp/test/config/env.test.js
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import { describe, it, expect, beforeEach, afterEach } from 'vitest';
import { loadConfig } from '../../src/config/env.js';
const originalEnv = { ...process.env };
function setEnv(partial) {
for (const key of Object.keys(process.env)) {
if (key.startsWith('OPENAI_') || key.startsWith('CHATGPT_MCP_') || key.startsWith('OLLAMA_')) {
delete process.env[key];
}
}
Object.assign(process.env, partial);
}
beforeEach(() => {
setEnv({ OPENAI_API_KEY: 'test-key' });
});
afterEach(() => {
for (const key of Object.keys(process.env)) {
if (key.startsWith('OPENAI_') || key.startsWith('CHATGPT_MCP_') || key.startsWith('OLLAMA_')) {
delete process.env[key];
}
}
Object.assign(process.env, originalEnv);
});
describe('loadConfig', () => {
it('throws when OPENAI_API_KEY is missing and provider is openai', () => {
delete process.env.OPENAI_API_KEY;
delete process.env.CHATGPT_MCP_PROVIDER;
expect(() => loadConfig()).toThrow(
'Configuration error: OPENAI_API_KEY is required for the openai provider.'
);
});
it('does not throw when OPENAI_API_KEY is missing and provider is manual', () => {
delete process.env.OPENAI_API_KEY;
setEnv({ CHATGPT_MCP_PROVIDER: 'manual' });
const cfg = loadConfig();
expect(cfg.chatgptMcpProvider).toBe('manual');
expect(cfg.openaiApiKey).toBe(undefined);
});
it('does not throw when OPENAI_API_KEY is missing and provider is ollama', () => {
delete process.env.OPENAI_API_KEY;
setEnv({ CHATGPT_MCP_PROVIDER: 'ollama' });
const cfg = loadConfig();
expect(cfg.chatgptMcpProvider).toBe('ollama');
expect(cfg.openaiApiKey).toBe(undefined);
});
it('still requires OPENAI_API_KEY for openai even when key is explicitly empty string', () => {
setEnv({ CHATGPT_MCP_PROVIDER: 'openai', OPENAI_API_KEY: '' });
expect(() => loadConfig()).toThrow(
'Configuration error: OPENAI_API_KEY is required for the openai provider.'
);
});
it('returns defaults when no optional vars are set', () => {
const cfg = loadConfig();
expect(cfg.openaiApiKey).toBe('test-key');
expect(cfg.openaiModel).toBe('gpt-5.1');
expect(cfg.temperature).toBe(0.2);
expect(cfg.maxOutputTokens).toBe(2000);
expect(cfg.logLevel).toBe('info');
expect(cfg.enableFileContext).toBe(false);
expect(cfg.contextDir).toBe('./context');
expect(cfg.maxInputChars).toBe(30000);
expect(cfg.maxFileChars).toBe(12000);
expect(cfg.maxFiles).toBe(5);
expect(cfg.maxLogChars).toBe(10000);
expect(cfg.redactSecrets).toBe(true);
expect(cfg.ollamaBaseUrl).toBe('http://localhost:11434');
expect(cfg.ollamaModel).toBe('qwen3:latest');
expect(cfg.ollamaTemperature).toBe(0.2);
expect(cfg.ollamaTimeout).toBe(60);
});
it('applies custom string values', () => {
setEnv({
OPENAI_API_KEY: 'test-key',
OPENAI_MODEL: 'gpt-4',
CHATGPT_MCP_LOG_LEVEL: 'debug',
CHATGPT_MCP_CONTEXT_DIR: './custom',
});
const cfg = loadConfig();
expect(cfg.openaiModel).toBe('gpt-4');
expect(cfg.logLevel).toBe('debug');
expect(cfg.contextDir).toBe('./custom');
});
it('applies custom numeric values', () => {
setEnv({
OPENAI_API_KEY: 'test-key',
OPENAI_TEMPERATURE: '0.5',
OPENAI_MAX_OUTPUT_TOKENS: '4096',
CHATGPT_MCP_MAX_INPUT_CHARS: '15000',
CHATGPT_MCP_MAX_FILE_CHARS: '8000',
CHATGPT_MCP_MAX_FILES: '3',
CHATGPT_MCP_MAX_LOG_CHARS: '5000',
});
const cfg = loadConfig();
expect(cfg.temperature).toBe(0.5);
expect(cfg.maxOutputTokens).toBe(4096);
expect(cfg.maxInputChars).toBe(15000);
expect(cfg.maxFileChars).toBe(8000);
expect(cfg.maxFiles).toBe(3);
expect(cfg.maxLogChars).toBe(5000);
});
it('applies custom boolean values', () => {
setEnv({
OPENAI_API_KEY: 'test-key',
CHATGPT_MCP_ENABLE_FILE_CONTEXT: 'true',
CHATGPT_MCP_REDACT_SECRETS: 'false',
});
const cfg = loadConfig();
expect(cfg.enableFileContext).toBe(true);
expect(cfg.redactSecrets).toBe(false);
});
it('throws on invalid numeric values', () => {
setEnv({
OPENAI_API_KEY: 'test-key',
CHATGPT_MCP_MAX_INPUT_CHARS: 'abc',
});
expect(() => loadConfig()).toThrow(
'Configuration error: CHATGPT_MCP_MAX_INPUT_CHARS must be a positive number, got "abc".'
);
});
it('throws on invalid boolean values', () => {
setEnv({
OPENAI_API_KEY: 'test-key',
CHATGPT_MCP_ENABLE_FILE_CONTEXT: 'yes',
});
expect(() => loadConfig()).toThrow(
'Configuration error: CHATGPT_MCP_ENABLE_FILE_CONTEXT must be true or false, got "yes".'
);
});
it('throws on negative numeric values', () => {
setEnv({
OPENAI_API_KEY: 'test-key',
CHATGPT_MCP_MAX_FILES: '-1',
});
expect(() => loadConfig()).toThrow(
'Configuration error: CHATGPT_MCP_MAX_FILES must be a positive number, got "-1".'
);
});
it('throws on NaN numeric values', () => {
setEnv({
OPENAI_API_KEY: 'test-key',
CHATGPT_MCP_MAX_FILES: 'NaN',
});
expect(() => loadConfig()).toThrow(
'Configuration error: CHATGPT_MCP_MAX_FILES must be a positive number, got "NaN".'
);
});
it('throws on Infinity numeric values', () => {
setEnv({
OPENAI_API_KEY: 'test-key',
CHATGPT_MCP_MAX_FILES: 'Infinity',
});
expect(() => loadConfig()).toThrow(
'Configuration error: CHATGPT_MCP_MAX_FILES must be a positive number, got "Infinity".'
);
});
});
describe('loadConfig chatgptMcpProvider', () => {
it('defaults to "openai" when CHATGPT_MCP_PROVIDER is not set', () => {
delete process.env.CHATGPT_MCP_PROVIDER;
const cfg = loadConfig();
expect(cfg.chatgptMcpProvider).toBe('openai');
});
it('accepts "openai" value', () => {
setEnv({ CHATGPT_MCP_PROVIDER: 'openai', OPENAI_API_KEY: 'sk-test' });
const cfg = loadConfig();
expect(cfg.chatgptMcpProvider).toBe('openai');
});
it('accepts any string value (validation is in factory)', () => {
setEnv({ CHATGPT_MCP_PROVIDER: 'ollama', OPENAI_API_KEY: 'sk-test' });
const cfg = loadConfig();
expect(cfg.chatgptMcpProvider).toBe('ollama');
});
});
// --- Ollama env vars ---
describe('loadConfig ollama env vars', () => {
it('returns default ollama values when no OLLAMA_ vars set', () => {
const cfg = loadConfig();
expect(cfg.ollamaBaseUrl).toBe('http://localhost:11434');
expect(cfg.ollamaModel).toBe('qwen3:latest');
expect(cfg.ollamaTemperature).toBe(0.2);
expect(cfg.ollamaTimeout).toBe(60);
});
it('applies custom OLLAMA_BASE_URL', () => {
setEnv({ OPENAI_API_KEY: 'test-key', OLLAMA_BASE_URL: 'http://localhost:11435' });
const cfg = loadConfig();
expect(cfg.ollamaBaseUrl).toBe('http://localhost:11435');
});
it('returns raw OLLAMA_BASE_URL — trailing slash normalization is in the provider', () => {
setEnv({ OPENAI_API_KEY: 'test-key', OLLAMA_BASE_URL: 'http://localhost:11434/' });
const cfg = loadConfig();
expect(cfg.ollamaBaseUrl).toBe('http://localhost:11434/');
});
it('applies custom OLLAMA_MODEL', () => {
setEnv({ OPENAI_API_KEY: 'test-key', OLLAMA_MODEL: 'llama3' });
const cfg = loadConfig();
expect(cfg.ollamaModel).toBe('llama3');
});
it('applies custom OLLAMA_TEMPERATURE', () => {
setEnv({ OPENAI_API_KEY: 'test-key', OLLAMA_TEMPERATURE: '0.7' });
const cfg = loadConfig();
expect(cfg.ollamaTemperature).toBe(0.7);
});
it('applies custom OLLAMA_TIMEOUT', () => {
setEnv({ OPENAI_API_KEY: 'test-key', OLLAMA_TIMEOUT: '120' });
const cfg = loadConfig();
expect(cfg.ollamaTimeout).toBe(120);
});
it('throws on invalid OLLAMA_TEMPERATURE', () => {
setEnv({ OPENAI_API_KEY: 'test-key', OLLAMA_TEMPERATURE: 'abc' });
expect(() => loadConfig()).toThrow(
'Configuration error: OLLAMA_TEMPERATURE must be a positive number, got "abc".'
);
});
it('throws on negative OLLAMA_TIMEOUT', () => {
setEnv({ OPENAI_API_KEY: 'test-key', OLLAMA_TIMEOUT: '-10' });
expect(() => loadConfig()).toThrow(
'Configuration error: OLLAMA_TIMEOUT must be a positive number, got "-10".'
);
});
it('works with ollama provider and all ollama env vars', () => {
setEnv({
OPENAI_API_KEY: 'sk-test',
CHATGPT_MCP_PROVIDER: 'ollama',
OLLAMA_BASE_URL: 'http://ollama-server:8080',
OLLAMA_MODEL: 'mistral',
OLLAMA_TEMPERATURE: '0.5',
OLLAMA_TIMEOUT: '90',
});
const cfg = loadConfig();
expect(cfg.chatgptMcpProvider).toBe('ollama');
expect(cfg.ollamaBaseUrl).toBe('http://ollama-server:8080');
expect(cfg.ollamaModel).toBe('mistral');
expect(cfg.ollamaTemperature).toBe(0.5);
expect(cfg.ollamaTimeout).toBe(90);
});
});
describe('loadConfig ollama env vars with trailing slash', () => {
it('returns raw base URL — normalization happens in the provider', () => {
setEnv({ OPENAI_API_KEY: 'test-key', OLLAMA_BASE_URL: 'http://localhost:11434//' });
const cfg = loadConfig();
expect(cfg.ollamaBaseUrl).toBe('http://localhost:11434//');
});
it('returns raw base URL with multiple slashes', () => {
setEnv({ OPENAI_API_KEY: 'test-key', OLLAMA_BASE_URL: 'http://localhost:11434///' });
const cfg = loadConfig();
expect(cfg.ollamaBaseUrl).toBe('http://localhost:11434///');
});
it('handles base URL without trailing slash', () => {
setEnv({ OPENAI_API_KEY: 'test-key', OLLAMA_BASE_URL: 'http://localhost:11434' });
const cfg = loadConfig();
expect(cfg.ollamaBaseUrl).toBe('http://localhost:11434');
});
it('handles empty base URL as default', () => {
setEnv({ OPENAI_API_KEY: 'test-key', OLLAMA_BASE_URL: '' });
const cfg = loadConfig();
expect(cfg.ollamaBaseUrl).toBe('http://localhost:11434');
});
});