add test case 1

packages/@vuepress/plugin-public-files/__tests__/docs-1/.dotfile

@@ -0,0 +1 @@
+dotfile

packages/@vuepress/plugin-public-files/__tests__/docs-1/.dotfolder/foo.txt

@@ -0,0 +1 @@
+.dotfolder/foo.txt

packages/@vuepress/plugin-public-files/__tests__/docs-1/.vuepress/public/bar/foo.txt

@@ -0,0 +1 @@
+bar/foo.txt

packages/@vuepress/plugin-public-files/__tests__/docs-1/.vuepress/public/foo.txt

@@ -0,0 +1 @@
+foo.txt

packages/@vuepress/plugin-public-files/__tests__/docs-1/bar/baz.txt

@@ -0,0 +1 @@
+bar/baz.txt

packages/@vuepress/plugin-public-files/__tests__/docs-1/baz.txt

@@ -0,0 +1 @@
+baz.txt

packages/@vuepress/plugin-public-files/__tests__/docs-1/readme.md

@@ -0,0 +1 @@
+readme

packages/@vuepress/plugin-public-files/__tests__/index.spec.js

@@ -0,0 +1,32 @@
+/**
+ * @jest-environment node
+ */
+
+const { createApp } = require('@vuepress/core')
+const { path: { resolve }, fs } = require('@vuepress/shared-utils')
+
+describe('plugin-public-files: source dir', () => {
+  const app = createApp({
+    sourceDir: resolve(__dirname, 'docs-1')
+  })
+
+  beforeAll(async () => {
+    await app.process()
+    await app.build()
+  }, 60000)
+
+  function testForExistence (name, existence = true) {
+    test(`${existence ? '' : 'in'}existence: ${name}`, () => {
+      expect(fs.existsSync(resolve(app.outDir, name))).toBe(existence)
+    })
+  }
+
+  testForExistence('foo.txt')
+  testForExistence('baz.txt')
+  testForExistence('bar/foo.txt')
+  testForExistence('bar/baz.txt')
+  testForExistence('index.html')
+  testForExistence('readme.md', false)
+  testForExistence('.dotfile', false)
+  testForExistence('.dotfolder', false)
+})

packages/@vuepress/plugin-public-files/package.json

@@ -1,6 +1,6 @@
 {
   "name": "@vuepress/plugin-public-files",
-  "version": "1.0.0-alpha.44",
+  "version": "1.0.0-alpha.46",
   "description": "register-global-components plugin for vuepress",
   "main": "index.js",
   "publishConfig": {
@@ -27,7 +27,8 @@
   },
   "homepage": "https://github.com/vuejs/vuepress/packages/@vuepress/plugin-public-files#readme",
   "dependencies": {
-    "@vuepress/shared-utils": "^1.0.0-alpha.44",
+    "@vuepress/core": "^1.0.0-alpha.46",
+    "@vuepress/shared-utils": "^1.0.0-alpha.46",
     "copy-webpack-plugin": "^5.0.2",
     "vuepress-mergeable": "^1.0.1"
   }