Update update-readme.js

tests/commands/update-readme.test.js

@@ -0,0 +1,28 @@
+const fs = require('fs')
+const path = require('path')
+const { execSync } = require('child_process')
+
+beforeEach(() => {
+  fs.rmdirSync('tests/__data__/output', { recursive: true })
+  fs.mkdirSync('tests/__data__/output')
+
+  execSync(
+    'LOGS_DIR=tests/__data__/input/logs node scripts/commands/update-readme.js --config=tests/__data__/input/readme.json',
+    { encoding: 'utf8' }
+  )
+})
+
+it('can update readme.md', () => {
+  const output = content('tests/__data__/output/readme.md')
+  const expected = content('tests/__data__/expected/readme.md')
+
+  expect(output).toBe(expected)
+})
+
+function content(filepath) {
+  const data = fs.readFileSync(path.resolve(filepath), {
+    encoding: 'utf8'
+  })
+
+  return JSON.stringify(data)
+}