diff --git a/.eslintrc.js b/.eslintrc.js
index b323dbd..c8110a1 100644
--- a/.eslintrc.js
+++ b/.eslintrc.js
@@ -62,6 +62,8 @@ module.exports = {
     ],
     'no-unused-vars': 'off',
     '@typescript-eslint/no-unused-vars': 'error',
+    'no-useless-constructor': 'off',
+    '@typescript-eslint/no-useless-constructor': 'error',
   },
   overrides: [
     {
diff --git a/packages/game/src/condition.ts b/packages/game/src/condition.ts
index 7a050b2..b3d65f0 100644
--- a/packages/game/src/condition.ts
+++ b/packages/game/src/condition.ts
@@ -3,15 +3,12 @@ import { Command } from './command'
 import { Matcher } from './matcher'
 
 export class PatternMatcher {
-  protected matcher: RegExp | null
-  constructor(pattern?: string, args?: string) {
-    this.matcher = pattern ? new RegExp(pattern, args) : null
+  protected matcher: RegExp
+  constructor(pattern: string, args?: string) {
+    this.matcher = new RegExp(pattern, args)
   }
 
   test(input: string): boolean {
-    if (!this.matcher) {
-      return true
-    }
     return this.matcher.test(input)
   }
 }
@@ -23,14 +20,40 @@ export class CommandMatcher extends PatternMatcher implements Matcher {
 }
 
 export class ErrorMatcher extends PatternMatcher implements Matcher {
+  constructor(private errorPattern?: string) {
+    super(errorPattern || '')
+  }
+
   match(command: Partial<Command>): boolean {
-    if (!this.matcher) {
+    if (!this.errorPattern) {
       return command.error === ''
     }
     return !!command.error && this.test(command.error)
   }
 }
 
+export class PwdMatcher implements Matcher {
+  constructor(private pwd: string) {}
+
+  match(command: Partial<Command>): boolean {
+    return command.pwd === this.pwd
+  }
+}
+
+export interface ICondition {
+  command?: string
+  output?: string
+  error?: string
+  pwd?: string
+}
+
 export class Condition {
   private matchers: Matcher[] = []
+
+  constructor({ command, output, error, pwd }: ICondition) {
+    if (command) this.matchers.push(new CommandMatcher(command))
+    // if (output) this.matchers.push(new OutputMatcher(output))
+    if (pwd) this.matchers.push(new PwdMatcher(pwd))
+    this.matchers.push(new ErrorMatcher(error)) // always check unexpected error
+  }
 }
diff --git a/packages/game/test/condition.test.ts b/packages/game/test/condition.test.ts
index e6a9f6c..e513de6 100644
--- a/packages/game/test/condition.test.ts
+++ b/packages/game/test/condition.test.ts
@@ -1,5 +1,11 @@
 import { test, expect } from '@jest/globals'
-import { PatternMatcher, CommandMatcher, ErrorMatcher } from '../src/condition'
+import {
+  PatternMatcher,
+  CommandMatcher,
+  ErrorMatcher,
+  PwdMatcher,
+  Condition,
+} from '../src/condition'
 import { Command } from '../src/command'
 
 test('pattern match', () => {
@@ -22,12 +28,6 @@ test('empty pattern return true', () => {
   expect(matcher.test('echo start')).toBe(true)
 })
 
-test('empty error return false', () => {
-  const matcher = new ErrorMatcher()
-  expect(matcher.match({ error: '' })).toBe(true)
-  expect(matcher.match({ error: 'permission denied' })).toBe(false)
-})
-
 test('command match', () => {
   const command: Command = {
     command: 'echo start',
@@ -40,4 +40,45 @@ test('command match', () => {
   expect(matcher.match(command)).toBe(true)
 })
 
-test('condition match', () => {})
+test('error matcher', () => {
+  const matcher = new ErrorMatcher()
+  expect(matcher.match({ error: '' })).toBe(true)
+  expect(matcher.match({ error: 'permission denied' })).toBe(false)
+})
+
+test('error matcher with specific error', () => {
+  const matcher = new ErrorMatcher('permission denied')
+  expect(matcher.match({ error: '' })).toBe(false)
+  expect(matcher.match({ error: 'file not found' })).toBe(false)
+  expect(matcher.match({ error: 'cannot open files: permission denied' })).toBe(
+    true
+  )
+})
+
+test('pwd matcher', () => {
+  const matcher = new PwdMatcher('/home/user')
+  expect(matcher.match({ pwd: '/home/user' })).toBe(true)
+  expect(matcher.match({ pwd: '/home/user1' })).toBe(false)
+  expect(matcher.match({ pwd: '/home/user/anotherpath' })).toBe(false)
+  expect(matcher.match({ pwd: '/var/home/user' })).toBe(false)
+})
+
+// test('condition match', () => {
+//   const condition = new Condition({
+//     command: '^echo start$',
+//     pwd: '/home/user',
+//   })
+
+//   expect(
+//     condition.match({
+//       command: 'echo start',
+//       pwd: '/home/user',
+//     })
+//   ).toBe(true)
+//   expect(
+//     condition.match({
+//       command: 'echo start',
+//       pwd: '/home/user1',
+//     })
+//   ).toBe(false)
+// })