Files
claude-code/packages/mcp-client/src/__tests__/strings.test.ts
2026-05-01 21:39:30 +08:00

114 lines
3.3 KiB
TypeScript

import { describe, expect, test } from 'bun:test'
import {
buildMcpToolName,
normalizeNameForMCP,
mcpInfoFromString,
getMcpPrefix,
getToolNameForPermissionCheck,
getMcpDisplayName,
extractMcpToolDisplayName,
} from '../strings.js'
describe('normalizeNameForMCP', () => {
test('keeps valid names unchanged', () => {
expect(normalizeNameForMCP('my-server')).toBe('my-server')
expect(normalizeNameForMCP('my_server')).toBe('my_server')
expect(normalizeNameForMCP('server123')).toBe('server123')
})
test('replaces dots and spaces with underscores', () => {
expect(normalizeNameForMCP('test.server')).toBe('test_server')
expect(normalizeNameForMCP('test server')).toBe('test_server')
})
test('collapses underscores for claude.ai prefix', () => {
expect(normalizeNameForMCP('claude.ai Slack')).toBe('claude_ai_Slack')
expect(normalizeNameForMCP('claude.ai My Server')).toBe(
'claude_ai_My_Server',
)
})
})
describe('buildMcpToolName', () => {
test('builds fully qualified name', () => {
expect(buildMcpToolName('my-server', 'query')).toBe('mcp__my-server__query')
})
test('normalizes server name with dots', () => {
expect(buildMcpToolName('test.server', 'tool')).toBe(
'mcp__test_server__tool',
)
})
})
describe('mcpInfoFromString', () => {
test('parses valid MCP tool name', () => {
const info = mcpInfoFromString('mcp__my-server__query')
expect(info).toEqual({ serverName: 'my-server', toolName: 'query' })
})
test('returns null for non-MCP names', () => {
expect(mcpInfoFromString('bash')).toBeNull()
expect(mcpInfoFromString('mcp__')).toBeNull()
expect(mcpInfoFromString('')).toBeNull()
})
test('handles tool names with double underscores', () => {
const info = mcpInfoFromString('mcp__server__tool__part')
expect(info).toEqual({ serverName: 'server', toolName: 'tool__part' })
})
test('handles server-only (no tool name)', () => {
const info = mcpInfoFromString('mcp__server')
expect(info).toEqual({ serverName: 'server', toolName: undefined })
})
})
describe('getMcpPrefix', () => {
test('returns correct prefix', () => {
expect(getMcpPrefix('my-server')).toBe('mcp__my-server__')
})
})
describe('getToolNameForPermissionCheck', () => {
test('uses mcp prefix for MCP tools', () => {
expect(
getToolNameForPermissionCheck({
name: 'query',
mcpInfo: { serverName: 'my-server', toolName: 'query' },
}),
).toBe('mcp__my-server__query')
})
test('uses raw name for non-MCP tools', () => {
expect(getToolNameForPermissionCheck({ name: 'bash' })).toBe('bash')
})
})
describe('getMcpDisplayName', () => {
test('strips MCP prefix', () => {
// getMcpDisplayName normalizes server name before building prefix
expect(getMcpDisplayName('mcp__my_server__query', 'my.server')).toBe(
'query',
)
})
})
describe('extractMcpToolDisplayName', () => {
test('removes MCP suffix', () => {
expect(extractMcpToolDisplayName('github - Add comment (MCP)')).toBe(
'Add comment',
)
})
test('handles no dash', () => {
expect(extractMcpToolDisplayName('Add comment (MCP)')).toBe('Add comment')
})
test('handles no suffix', () => {
expect(extractMcpToolDisplayName('github - Add comment')).toBe(
'Add comment',
)
})
})