feat: add file matcher

packages/game/test/asyncCondition.test.ts

@@ -0,0 +1,92 @@
+import { test, expect } from '@jest/globals'
+import { IFileExistenceChecker, FileType, FileInput } from '../src/types.js'
+import { checkFiles } from '../src/condition/FileMatcher.js'
+
+class MockFileChecker implements IFileExistenceChecker {
+  private files: FileInput[] = [
+    {
+      path: '/home/user/hello.txt',
+      type: FileType.FILE,
+    },
+    {
+      path: '/home/user/world.txt',
+      type: FileType.FILE,
+    },
+    {
+      path: '/home/user/Downloads',
+      type: FileType.FOLDER,
+    },
+  ]
+
+  async exists(file: FileInput): Promise<boolean> {
+    return this.files.some((f) => f.path === file.path && f.type === file.type)
+  }
+}
+
+test('file matcher', async () => {
+  const checker = new MockFileChecker()
+  expect(
+    await checkFiles(checker, [
+      {
+        path: '/home/user/hello.txt',
+        type: FileType.FILE,
+        exists: true,
+      },
+    ])
+  ).toBe(true)
+  expect(
+    await checkFiles(checker, [
+      {
+        path: '/home/user/not-exists.txt',
+        type: FileType.FILE,
+        exists: true,
+      },
+    ])
+  ).toBe(false)
+  expect(
+    await checkFiles(checker, [
+      {
+        path: '/home/user/not-exists.txt',
+        type: FileType.FILE,
+        exists: false,
+      },
+    ])
+  ).toBe(true)
+  expect(
+    await checkFiles(checker, [
+      {
+        path: '/home/user/Downloads',
+        type: FileType.FOLDER,
+        exists: true,
+      },
+    ])
+  ).toBe(true)
+  expect(
+    await checkFiles(checker, [
+      {
+        path: '/home/user/hello.txt',
+        type: FileType.FILE,
+        exists: true,
+      },
+      {
+        path: '/home/user/Downloads',
+        type: FileType.FOLDER,
+        exists: true,
+      },
+    ])
+  ).toBe(true)
+  expect(
+    await checkFiles(checker, [
+      {
+        path: '/home/user/hello.txt',
+        type: FileType.FILE,
+        exists: true,
+      },
+      {
+        path: '/home/user/not-exist.txt',
+        type: FileType.FILE,
+        exists: true,
+      },
+    ])
+  ).toBe(false)
+})