import { describe, it, expect, beforeEach, afterEach } from 'vitest'
describe('Environment Variable Configuration Tests', () => {
const originalEnv = process.env
beforeEach(() => {
// Clear environment variables
process.env = { ...originalEnv }
})
afterEach(() => {
process.env = originalEnv
})
describe('MCP_LANGUAGE', () => {
it('should default to en', () => {
delete process.env.MCP_LANGUAGE
const lang = process.env.MCP_LANGUAGE || 'en'
expect(lang).toBe('en')
})
it('should support zh setting', () => {
process.env.MCP_LANGUAGE = 'zh'
const lang = process.env.MCP_LANGUAGE || 'en'
expect(lang).toBe('zh')
})
it('should support custom language setting', () => {
process.env.MCP_LANGUAGE = 'ja'
const lang = process.env.MCP_LANGUAGE || 'en'
expect(lang).toBe('ja')
})
})
describe('MCP_GROUPS', () => {
it('should default to [common]', () => {
delete process.env.MCP_GROUPS
const groups = process.env.MCP_GROUPS
? (process.env.MCP_GROUPS as string).split(',').map((g) => g.trim())
: ['common']
expect(groups).toEqual(['common'])
})
it('should parse single group', () => {
process.env.MCP_GROUPS = 'laravel'
const groups = process.env.MCP_GROUPS.split(',').map((g) =>
g.trim()
)
expect(groups).toEqual(['laravel'])
})
it('should parse multiple groups', () => {
process.env.MCP_GROUPS = 'laravel,vue,react'
const groups = process.env.MCP_GROUPS.split(',').map((g) =>
g.trim()
)
expect(groups).toEqual(['laravel', 'vue', 'react'])
})
it('should handle group names with whitespace', () => {
process.env.MCP_GROUPS = 'laravel, vue , react'
const groups = process.env.MCP_GROUPS.split(',').map((g) =>
g.trim()
)
expect(groups).toEqual(['laravel', 'vue', 'react'])
})
it('should handle empty string', () => {
process.env.MCP_GROUPS = ''
// Empty string is falsy in JavaScript, so it falls back to default
const groups = process.env.MCP_GROUPS
? process.env.MCP_GROUPS.split(',').map((g) => g.trim())
: ['common']
// Empty string is falsy, so it uses default value
expect(groups).toEqual(['common'])
})
})
describe('PROMPT_REPO_URL', () => {
it('should allow local path', () => {
process.env.PROMPT_REPO_URL = '/path/to/repo'
expect(process.env.PROMPT_REPO_URL).toBe('/path/to/repo')
})
it('should allow Git URL', () => {
process.env.PROMPT_REPO_URL = 'https://github.com/user/repo.git'
expect(process.env.PROMPT_REPO_URL).toBe(
'https://github.com/user/repo.git'
)
})
it('should allow SSH URL', () => {
process.env.PROMPT_REPO_URL = 'git@github.com:user/repo.git'
expect(process.env.PROMPT_REPO_URL).toBe(
'git@github.com:user/repo.git'
)
})
it('should be undefined when missing', () => {
delete process.env.PROMPT_REPO_URL
expect(process.env.PROMPT_REPO_URL).toBeUndefined()
})
})
describe('Language instruction generation', () => {
it('should generate Traditional Chinese instruction for zh', () => {
const lang: string = 'zh'
const instruction =
lang === 'zh'
? 'Please reply in Traditional Chinese (繁體中文). Keep technical terms in English.'
: 'Please reply in English.'
expect(instruction).toContain('Traditional Chinese')
expect(instruction).toContain('繁體中文') // "Traditional Chinese" in Chinese characters
})
it('should generate English instruction for other languages', () => {
const lang: string = 'en'
const instruction =
lang === 'zh'
? 'Please reply in Traditional Chinese (繁體中文). Keep technical terms in English.'
: 'Please reply in English.'
expect(instruction).toBe('Please reply in English.')
})
it('should generate English instruction for ja', () => {
const lang: string = 'ja'
const instruction =
lang === 'zh'
? 'Please reply in Traditional Chinese (繁體中文). Keep technical terms in English.'
: 'Please reply in English.'
expect(instruction).toBe('Please reply in English.')
})
})
})
