diff --git a/tests/commands/database/update.test.js b/tests/commands/database/update.test.js
new file mode 100644
index 0000000000..6256a471c0
--- /dev/null
+++ b/tests/commands/database/update.test.js
@@ -0,0 +1,35 @@
+const { execSync } = require('child_process')
+const fs = require('fs-extra')
+const path = require('path')
+
+beforeEach(() => {
+  fs.emptyDirSync('tests/__data__/output')
+  fs.copyFileSync(
+    'tests/__data__/input/database/db_update.streams.db',
+    'tests/__data__/output/streams.db'
+  )
+
+  const stdout = execSync(
+    'DB_DIR=tests/__data__/output LOGS_DIR=tests/__data__/input/logs/cluster/load npm run db:update',
+    { encoding: 'utf8' }
+  )
+})
+
+it('can save results', () => {
+  expect(content('tests/__data__/output/streams.db')).toEqual(
+    content('tests/__data__/expected/database/db_update.streams.db')
+  )
+})
+
+function content(filepath) {
+  const data = fs.readFileSync(path.resolve(filepath), {
+    encoding: 'utf8'
+  })
+
+  return data
+    .split('\n')
+    .filter(l => l)
+    .map(l => {
+      return JSON.parse(l)
+    })
+}